agenttesla | b0cc00d4f8ef35f2efd557b3c03ab7f5ff474dd1fdfd81ef834563be5ee6efa5

Analysis

max time kernel
117s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14-09-2024 10:57

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General

Target

Purchase Order.exe
Size

934KB
MD5

f7f32729079353000cd97b90aa314cc1
SHA1

21dbddeea2b634263c8fbf0d6178a9751d2467b8
SHA256

8e29aa00863b1746ba25132f7ecb7bcb869d3a7e647dc8d6d3255491c5ac5212
SHA512

2c40c12b81e7c377ddf0a6691ebeedc895dcf02c9211a1563b840de735fab77968565b1d3d0c40cc0b2b583fd4bfa1c69f995fca758ea85f548bf5797b5bf847
SSDEEP

24576:U5dMbYk7zL1hJ5o/C+uOWiw5h6nnjqKoe:U5dkYk/phQ6+hIkjqKoe

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.iaa-airferight.com
Port:
587
Username:
[email protected]
Password:
webmaster
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
4568	powershell.exe
4956	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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	Purchase Order.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
20	api.ipify.org
21	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3012 set thread context of 3128	3012	Purchase Order.exe	99

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	Purchase Order.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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	RegSvcs.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
2920	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4568	powershell.exe
4956	powershell.exe
3128	RegSvcs.exe
3128	RegSvcs.exe
4568	powershell.exe
4956	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4568	powershell.exe
Token: SeDebugPrivilege	4956	powershell.exe
Token: SeDebugPrivilege	3128	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 4568	3012	Purchase Order.exe	93
PID 3012 wrote to memory of 4568	3012	Purchase Order.exe	93
PID 3012 wrote to memory of 4568	3012	Purchase Order.exe	93
PID 3012 wrote to memory of 4956	3012	Purchase Order.exe	95
PID 3012 wrote to memory of 4956	3012	Purchase Order.exe	95
PID 3012 wrote to memory of 4956	3012	Purchase Order.exe	95
PID 3012 wrote to memory of 2920	3012	Purchase Order.exe	97
PID 3012 wrote to memory of 2920	3012	Purchase Order.exe	97
PID 3012 wrote to memory of 2920	3012	Purchase Order.exe	97
PID 3012 wrote to memory of 3128	3012	Purchase Order.exe	99
PID 3012 wrote to memory of 3128	3012	Purchase Order.exe	99
PID 3012 wrote to memory of 3128	3012	Purchase Order.exe	99
PID 3012 wrote to memory of 3128	3012	Purchase Order.exe	99
PID 3012 wrote to memory of 3128	3012	Purchase Order.exe	99
PID 3012 wrote to memory of 3128	3012	Purchase Order.exe	99
PID 3012 wrote to memory of 3128	3012	Purchase Order.exe	99
PID 3012 wrote to memory of 3128	3012	Purchase Order.exe	99

C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3012
- 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\Purchase Order.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4568
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TESAYt.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4956
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TESAYt" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC7B5.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2920
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3128

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

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
d9de874eb7f82fd57c1754945fe92c9c

SHA1
373c8b462383dc1189bae79da5f75c7032fc1530

SHA256
4aa9f5aa40a8da3974326a8df9a6ac6c2e41a3f6db3adb324ba76794982dc1f6

SHA512
89e3597c5a0f7c55a3ead755764e7f768a13c25202176961cf31b872c7439b26659c8b84fb7d895355224485cb9fd4f0096d3e3b05d19885b4cfbc48e45e0f6f

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_h5g4w2p5.ycz.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC7B5.tmp

Filesize
1KB

MD5
f769acdcf269f65744e2146c115258d3

SHA1
3b83c0078d538cd89ec429a7eeaeef4d6e0625cd

SHA256
ffe2108b3160d73c713b3894312976be92d3c45c3711d51f614900edcf0d7835

SHA512
0fd4caf870a30bee0db9c84ff8e618627f6d617615087dbbf3447b3637d132fe3c1fad0cd520d0322f7239a9255f7e65b88bb29f0845dd2137904265361fdbb9

Download Submit
memory/3012-5-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/3012-0-0x000000007529E000-0x000000007529F000-memory.dmp

Filesize
4KB

Download
memory/3012-6-0x00000000066D0000-0x00000000066E0000-memory.dmp

Filesize
64KB

Download
memory/3012-7-0x000000007529E000-0x000000007529F000-memory.dmp

Filesize
4KB

Download
memory/3012-8-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/3012-9-0x0000000006700000-0x0000000006782000-memory.dmp

Filesize
520KB

Download
memory/3012-10-0x0000000008CD0000-0x0000000008D6C000-memory.dmp

Filesize
624KB

Download
memory/3012-1-0x0000000000290000-0x000000000037A000-memory.dmp

Filesize
936KB

Download
memory/3012-3-0x0000000004D70000-0x0000000004E02000-memory.dmp

Filesize
584KB

Download
memory/3012-48-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/3012-4-0x0000000004E10000-0x0000000004E1A000-memory.dmp

Filesize
40KB

Download
memory/3012-2-0x0000000005280000-0x0000000005824000-memory.dmp

Filesize
5.6MB

Download
memory/3128-80-0x0000000006570000-0x00000000065C0000-memory.dmp

Filesize
320KB

Download
memory/3128-31-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4568-76-0x0000000007400000-0x000000000740A000-memory.dmp

Filesize
40KB

Download
memory/4568-17-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4568-90-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4568-21-0x0000000005140000-0x00000000051A6000-memory.dmp

Filesize
408KB

Download
memory/4568-15-0x0000000002750000-0x0000000002786000-memory.dmp

Filesize
216KB

Download
memory/4568-16-0x00000000051D0000-0x00000000057F8000-memory.dmp

Filesize
6.2MB

Download
memory/4568-83-0x00000000076B0000-0x00000000076B8000-memory.dmp

Filesize
32KB

Download
memory/4568-22-0x0000000005800000-0x0000000005866000-memory.dmp

Filesize
408KB

Download
memory/4568-47-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4568-49-0x0000000006070000-0x000000000608E000-memory.dmp

Filesize
120KB

Download
memory/4568-50-0x0000000006130000-0x000000000617C000-memory.dmp

Filesize
304KB

Download
memory/4568-63-0x0000000071960000-0x00000000719AC000-memory.dmp

Filesize
304KB

Download
memory/4568-20-0x0000000004FA0000-0x0000000004FC2000-memory.dmp

Filesize
136KB

Download
memory/4568-79-0x00000000075C0000-0x00000000075CE000-memory.dmp

Filesize
56KB

Download
memory/4568-78-0x0000000007590000-0x00000000075A1000-memory.dmp

Filesize
68KB

Download
memory/4568-18-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4568-74-0x00000000079D0000-0x000000000804A000-memory.dmp

Filesize
6.5MB

Download
memory/4956-81-0x0000000007EA0000-0x0000000007EB4000-memory.dmp

Filesize
80KB

Download
memory/4956-51-0x00000000078D0000-0x0000000007902000-memory.dmp

Filesize
200KB

Download
memory/4956-77-0x0000000007EE0000-0x0000000007F76000-memory.dmp

Filesize
600KB

Download
memory/4956-52-0x0000000071960000-0x00000000719AC000-memory.dmp

Filesize
304KB

Download
memory/4956-64-0x0000000007B10000-0x0000000007BB3000-memory.dmp

Filesize
652KB

Download
memory/4956-62-0x00000000078B0000-0x00000000078CE000-memory.dmp

Filesize
120KB

Download
memory/4956-75-0x0000000007C60000-0x0000000007C7A000-memory.dmp

Filesize
104KB

Download
memory/4956-82-0x0000000007FA0000-0x0000000007FBA000-memory.dmp

Filesize
104KB

Download
memory/4956-24-0x0000000006350000-0x00000000066A4000-memory.dmp

Filesize
3.3MB

Download
memory/4956-46-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4956-23-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4956-25-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4956-89-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download