agenttesla | bd0e1cfd8ac5fef73e78b0a784c11682ed8d3120e6293d7d87425e5cd65d91eb

Analysis

max time kernel
137s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 11:43

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General

Target
rShippingDocuments.exe
Size 875KB
Sample240821-nvkhmswfmc
SHA256 bd0e1cfd8ac5fef73e78b0a784c11682ed8d3120e6293d7d87425e5cd65d91eb
MD5 dc9e6b694b51bed0f18efdb98dfb6574
SHA1 178c356d906ed81d6492b215e2f5b849976dbb80
SHA512 389f84f3f1e5e7436c677dd3d3d1d9e90d173930bada7be3affc060b20500f099f808f9eb3b00446c43ca178d9c8ea4c98cf7198fa2933ef64928ab119eab2b9
SSDEEP 24576:sMaJ7C/qaSulKnSGPZxWstParxPXmgmJnx+kZRa:giUuXOERmgaBra
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla credential_access discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol
smtp
Host
mail.starmech.net
Port
587
Username
[email protected]
Password
nics123

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.starmech.net
Port
587
Username
[email protected]
Password
nics123
Email to
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1144	powershell.exe
804	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	rShippingDocuments.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe"	rShippingDocuments.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
27	api.ipify.org
28	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2964 set thread context of 2020	2964	rShippingDocuments.exe	111

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rShippingDocuments.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rShippingDocuments.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 5 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2964	rShippingDocuments.exe
2192	rShippingDocuments.exe
4768	rShippingDocuments.exe
3112	rShippingDocuments.exe
2020	rShippingDocuments.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3448	schtasks.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
2964	rShippingDocuments.exe
2964	rShippingDocuments.exe
1144	powershell.exe
1144	powershell.exe
2964	rShippingDocuments.exe
2964	rShippingDocuments.exe
2964	rShippingDocuments.exe
2964	rShippingDocuments.exe
804	powershell.exe
804	powershell.exe
2964	rShippingDocuments.exe
2964	rShippingDocuments.exe
2964	rShippingDocuments.exe
2020	rShippingDocuments.exe
2020	rShippingDocuments.exe
2020	rShippingDocuments.exe
1144	powershell.exe
804	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2964	rShippingDocuments.exe
Token: SeDebugPrivilege	1144	powershell.exe
Token: SeDebugPrivilege	804	powershell.exe
Token: SeDebugPrivilege	2020	rShippingDocuments.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2020	rShippingDocuments.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 1144	2964	rShippingDocuments.exe	102
PID 2964 wrote to memory of 1144	2964	rShippingDocuments.exe	102
PID 2964 wrote to memory of 1144	2964	rShippingDocuments.exe	102
PID 2964 wrote to memory of 804	2964	rShippingDocuments.exe	104
PID 2964 wrote to memory of 804	2964	rShippingDocuments.exe	104
PID 2964 wrote to memory of 804	2964	rShippingDocuments.exe	104
PID 2964 wrote to memory of 3448	2964	rShippingDocuments.exe	105
PID 2964 wrote to memory of 3448	2964	rShippingDocuments.exe	105
PID 2964 wrote to memory of 3448	2964	rShippingDocuments.exe	105
PID 2964 wrote to memory of 2192	2964	rShippingDocuments.exe	108
PID 2964 wrote to memory of 2192	2964	rShippingDocuments.exe	108
PID 2964 wrote to memory of 2192	2964	rShippingDocuments.exe	108
PID 2964 wrote to memory of 4768	2964	rShippingDocuments.exe	109
PID 2964 wrote to memory of 4768	2964	rShippingDocuments.exe	109
PID 2964 wrote to memory of 4768	2964	rShippingDocuments.exe	109
PID 2964 wrote to memory of 3112	2964	rShippingDocuments.exe	110
PID 2964 wrote to memory of 3112	2964	rShippingDocuments.exe	110
PID 2964 wrote to memory of 3112	2964	rShippingDocuments.exe	110
PID 2964 wrote to memory of 2020	2964	rShippingDocuments.exe	111
PID 2964 wrote to memory of 2020	2964	rShippingDocuments.exe	111
PID 2964 wrote to memory of 2020	2964	rShippingDocuments.exe	111
PID 2964 wrote to memory of 2020	2964	rShippingDocuments.exe	111
PID 2964 wrote to memory of 2020	2964	rShippingDocuments.exe	111
PID 2964 wrote to memory of 2020	2964	rShippingDocuments.exe	111
PID 2964 wrote to memory of 2020	2964	rShippingDocuments.exe	111
PID 2964 wrote to memory of 2020	2964	rShippingDocuments.exe	111

C:\Users\Admin\AppData\Local\Temp\rShippingDocuments.exe
"C:\Users\Admin\AppData\Local\Temp\rShippingDocuments.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\rShippingDocuments.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1144
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XZpJWBSpVC.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:804
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XZpJWBSpVC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7700.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3448
- C:\Users\Admin\AppData\Local\Temp\rShippingDocuments.exe
  "C:\Users\Admin\AppData\Local\Temp\rShippingDocuments.exe"
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  PID:2192
- C:\Users\Admin\AppData\Local\Temp\rShippingDocuments.exe
  "C:\Users\Admin\AppData\Local\Temp\rShippingDocuments.exe"
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  PID:4768
- C:\Users\Admin\AppData\Local\Temp\rShippingDocuments.exe
  "C:\Users\Admin\AppData\Local\Temp\rShippingDocuments.exe"
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  PID:3112
- C:\Users\Admin\AppData\Local\Temp\rShippingDocuments.exe
  "C:\Users\Admin\AppData\Local\Temp\rShippingDocuments.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2020

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4344,i,11391966286255097843,10588851088187498028,262144 --variations-seed-version --mojo-platform-channel-handle=3904 /prefetch:8
1⤵
PID:772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 2KB
SHA256 6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
MD5 3d086a433708053f9bf9523e1d87a4e8
SHA1 b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA512 931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 18KB
SHA256 e7322f464acc87c8fb6e841018534d91b78262e2f78a952c3c91d1420c188340
MD5 6d279ad4a88b50b3e37b624971891b6d
SHA1 3b2abbcb4a266f71ba4dce042c335cc6009ebdf4
SHA512 9efaba7504fda8276519f3501659e6126343f3a26a58b14007ff17eb84746f1a0a43aaf0de8a3d316a9d4620b1007007ef42156742771f3a183e4fc7c05bdd47
SSDEEP 384:s6+Bx9i+CIfBBiAQLZGMOnovz0hHT9K6seYLME/Xt03SoZyfYSvojEDkad0gdwt3:NjI5oAQ37z8HT9NgrmSN52EDmCS3
MD5 SHA1 SHA512 SSDEEP

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__PSScriptPolicyTest_yhvevrb2.44r.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yhvevrb2.44r.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

Submit Download

tmp7700.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp7700.tmp
Size 1KB
SHA256 6da3cc88cf226532938e26de28b69caa0d7b5b7e012aa3e7d52865478a048aa7
MD5 c315a966adbf0cf663ffb7f3760c71b3
SHA1 8e606eb28fbcd3befc9268c294163d1df3b3156d
SHA512 628b48d936516b5df0efd947a7691f355b875792ea735e25a79ef58b39d2e7dacf06c5793810a295718785b955aaf5eb82493f0a24f8c17e8401c7a07bfe7b61
MD5 SHA1 SHA512

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memory/804-89-0x00000000750E0000-0x0000000075890000-memory.dmp

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memory/804-79-0x0000000007E20000-0x0000000007E31000-memory.dmp

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memory/804-77-0x0000000007EA0000-0x0000000007F36000-memory.dmp

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memory/804-64-0x0000000075940000-0x000000007598C000-memory.dmp

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memory/804-35-0x00000000750E0000-0x0000000075890000-memory.dmp

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memory/804-32-0x00000000750E0000-0x0000000075890000-memory.dmp

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memory/1144-76-0x00000000077F0000-0x00000000077FA000-memory.dmp

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memory/1144-51-0x0000000007430000-0x0000000007462000-memory.dmp

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memory/1144-16-0x0000000004E80000-0x0000000004EB6000-memory.dmp

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memory/1144-17-0x00000000750E0000-0x0000000075890000-memory.dmp

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memory/1144-19-0x00000000750E0000-0x0000000075890000-memory.dmp

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memory/1144-18-0x00000000054F0000-0x0000000005B18000-memory.dmp

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memory/1144-20-0x00000000750E0000-0x0000000075890000-memory.dmp

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memory/1144-74-0x0000000007DC0000-0x000000000843A000-memory.dmp

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memory/1144-90-0x00000000750E0000-0x0000000075890000-memory.dmp

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memory/1144-27-0x0000000005CD0000-0x0000000005CF2000-memory.dmp

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memory/1144-83-0x0000000007AA0000-0x0000000007AA8000-memory.dmp

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memory/1144-82-0x0000000007AC0000-0x0000000007ADA000-memory.dmp

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memory/1144-34-0x0000000005F60000-0x0000000005FC6000-memory.dmp

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memory/1144-33-0x0000000005E90000-0x0000000005EF6000-memory.dmp

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memory/1144-80-0x00000000079B0000-0x00000000079BE000-memory.dmp

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memory/1144-36-0x0000000005FD0000-0x0000000006324000-memory.dmp

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memory/1144-81-0x00000000079C0000-0x00000000079D4000-memory.dmp

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memory/1144-49-0x0000000006330000-0x000000000634E000-memory.dmp

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memory/1144-50-0x00000000069A0000-0x00000000069EC000-memory.dmp

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memory/1144-75-0x0000000007780000-0x000000000779A000-memory.dmp

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memory/1144-52-0x0000000075940000-0x000000007598C000-memory.dmp

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memory/1144-62-0x00000000069F0000-0x0000000006A0E000-memory.dmp

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memory/1144-63-0x0000000007470000-0x0000000007513000-memory.dmp

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memory/2020-37-0x0000000000400000-0x0000000000442000-memory.dmp

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memory/2020-91-0x0000000006880000-0x00000000068D0000-memory.dmp

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memory/2964-8-0x00000000750E0000-0x0000000075890000-memory.dmp

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memory/2964-0-0x00000000750EE000-0x00000000750EF000-memory.dmp

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memory/2964-5-0x00000000750E0000-0x0000000075890000-memory.dmp

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memory/2964-4-0x0000000005BF0000-0x0000000005BFA000-memory.dmp

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memory/2964-6-0x0000000006030000-0x0000000006042000-memory.dmp

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memory/2964-48-0x00000000750E0000-0x0000000075890000-memory.dmp

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memory/2964-7-0x00000000750EE000-0x00000000750EF000-memory.dmp

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memory/2964-11-0x0000000006F10000-0x0000000006FAC000-memory.dmp

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memory/2964-3-0x0000000005A10000-0x0000000005AA2000-memory.dmp

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memory/2964-2-0x0000000006070000-0x0000000006614000-memory.dmp

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memory/2964-1-0x0000000000FA0000-0x0000000001080000-memory.dmp

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memory/2964-9-0x0000000006050000-0x0000000006060000-memory.dmp

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memory/2964-10-0x0000000006C60000-0x0000000006CE4000-memory.dmp

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