agenttesla | 85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2

Analysis

max time kernel
118s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13-09-2024 23:37

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General

Target

85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe
Size

838KB
MD5

3007df3c5e7bf8f2bbf00a307ff38a96
SHA1

6a41251cd095d326e243a79c4e9669ff7d44745a
SHA256

85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2
SHA512

14a76084acc1cd6ad6105fe6564487e91128c6a4e789da0390817ecfc5dbca81dcc921f847d940efe7ffac9a7ef65b36d166c89bf14164c5d94c2a3ba8fc7459
SSDEEP

24576:UDom7oWdCZsusWuZSf4rKFZr0J/cGwfYuX0J:dmcrZPsBSf4rKFRK1tdJ

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
1252	powershell.exe
740	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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.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

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
19	api.ipify.org
18	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1080 set thread context of 1768	1080	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
3908	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1252	powershell.exe
740	powershell.exe
1768	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe
1768	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe
1252	powershell.exe
740	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	740	powershell.exe
Token: SeDebugPrivilege	1252	powershell.exe
Token: SeDebugPrivilege	1768	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1080 wrote to memory of 1252	1080	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	93
PID 1080 wrote to memory of 1252	1080	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	93
PID 1080 wrote to memory of 1252	1080	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	93
PID 1080 wrote to memory of 740	1080	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	95
PID 1080 wrote to memory of 740	1080	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	95
PID 1080 wrote to memory of 740	1080	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	95
PID 1080 wrote to memory of 3908	1080	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	97
PID 1080 wrote to memory of 3908	1080	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	97
PID 1080 wrote to memory of 3908	1080	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	97
PID 1080 wrote to memory of 1768	1080	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	99
PID 1080 wrote to memory of 1768	1080	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	99
PID 1080 wrote to memory of 1768	1080	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	99
PID 1080 wrote to memory of 1768	1080	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	99
PID 1080 wrote to memory of 1768	1080	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	99
PID 1080 wrote to memory of 1768	1080	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	99
PID 1080 wrote to memory of 1768	1080	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	99
PID 1080 wrote to memory of 1768	1080	85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe	99

C:\Users\Admin\AppData\Local\Temp\85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe
"C:\Users\Admin\AppData\Local\Temp\85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1080
- 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\85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1252
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VTetdBK.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:740
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VTetdBK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEA02.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3908
- C:\Users\Admin\AppData\Local\Temp\85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe
  "C:\Users\Admin\AppData\Local\Temp\85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1768

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

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

Lateral Movement

Collection

Data from Local System

T1005

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
06669c472578acace5e80b2bd89edc10

SHA1
ab1a11cf0faad86a2e88833c1def85e29bc600f3

SHA256
de46930d8f2b76a8acae35a7699ee8fcc540c1635514d93bfacb33ac30358b16

SHA512
7c5f255ba593de8588a7b86bc1a6c044ca63bab2a59a795e3e5b3cca9fea9110e5db7cc8cd7dc75c4249012701fcae718ebd3785c21fcc83da29bf3675013ce7

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qtu52yxh.qeq.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpEA02.tmp

Filesize
1KB

MD5
7ff77cfa7a2a41b98d107348be5517f1

SHA1
6e9da62e5090b2f50749b84670ac17b134ddd5ad

SHA256
b7fd93e63dd456e9c38e267cc9716e5257a3f26636922be3dd70e968850bbdd7

SHA512
7ac06a2232982da4582dff4a6638b4abc1c0b72a5917b54b1611a7d6f6a96e942ee49c18324adbd707fb66d3d93a5465b7fb0cb91b2ea142eba808bb7480325f

Download Submit
memory/740-24-0x00000000753B0000-0x0000000075B60000-memory.dmp

Filesize
7.7MB

Download
memory/740-81-0x0000000007470000-0x000000000748A000-memory.dmp

Filesize
104KB

Download
memory/740-45-0x00000000753B0000-0x0000000075B60000-memory.dmp

Filesize
7.7MB

Download
memory/740-74-0x0000000007770000-0x0000000007DEA000-memory.dmp

Filesize
6.5MB

Download
memory/740-75-0x0000000007130000-0x000000000714A000-memory.dmp

Filesize
104KB

Download
memory/740-79-0x0000000007360000-0x000000000736E000-memory.dmp

Filesize
56KB

Download
memory/740-80-0x0000000007370000-0x0000000007384000-memory.dmp

Filesize
80KB

Download
memory/740-64-0x0000000075C60000-0x0000000075CAC000-memory.dmp

Filesize
304KB

Download
memory/740-89-0x00000000753B0000-0x0000000075B60000-memory.dmp

Filesize
7.7MB

Download
memory/740-23-0x00000000753B0000-0x0000000075B60000-memory.dmp

Filesize
7.7MB

Download
memory/740-82-0x0000000007450000-0x0000000007458000-memory.dmp

Filesize
32KB

Download
memory/1080-10-0x000000000A6F0000-0x000000000A78C000-memory.dmp

Filesize
624KB

Download
memory/1080-2-0x0000000005CD0000-0x0000000006274000-memory.dmp

Filesize
5.6MB

Download
memory/1080-3-0x0000000005720000-0x00000000057B2000-memory.dmp

Filesize
584KB

Download
memory/1080-4-0x00000000058B0000-0x00000000058BA000-memory.dmp

Filesize
40KB

Download
memory/1080-1-0x0000000000C30000-0x0000000000D08000-memory.dmp

Filesize
864KB

Download
memory/1080-5-0x00000000753B0000-0x0000000075B60000-memory.dmp

Filesize
7.7MB

Download
memory/1080-9-0x0000000007FC0000-0x0000000008042000-memory.dmp

Filesize
520KB

Download
memory/1080-0-0x00000000753BE000-0x00000000753BF000-memory.dmp

Filesize
4KB

Download
memory/1080-8-0x00000000753B0000-0x0000000075B60000-memory.dmp

Filesize
7.7MB

Download
memory/1080-7-0x00000000753BE000-0x00000000753BF000-memory.dmp

Filesize
4KB

Download
memory/1080-6-0x0000000005CB0000-0x0000000005CC0000-memory.dmp

Filesize
64KB

Download
memory/1080-48-0x00000000753B0000-0x0000000075B60000-memory.dmp

Filesize
7.7MB

Download
memory/1252-76-0x0000000007850000-0x000000000785A000-memory.dmp

Filesize
40KB

Download
memory/1252-78-0x00000000079E0000-0x00000000079F1000-memory.dmp

Filesize
68KB

Download
memory/1252-52-0x0000000075C60000-0x0000000075CAC000-memory.dmp

Filesize
304KB

Download
memory/1252-51-0x0000000006A60000-0x0000000006A92000-memory.dmp

Filesize
200KB

Download
memory/1252-62-0x0000000007450000-0x000000000746E000-memory.dmp

Filesize
120KB

Download
memory/1252-49-0x00000000064A0000-0x00000000064BE000-memory.dmp

Filesize
120KB

Download
memory/1252-63-0x00000000074B0000-0x0000000007553000-memory.dmp

Filesize
652KB

Download
memory/1252-15-0x0000000002BC0000-0x0000000002BF6000-memory.dmp

Filesize
216KB

Download
memory/1252-44-0x00000000753B0000-0x0000000075B60000-memory.dmp

Filesize
7.7MB

Download
memory/1252-36-0x0000000005EB0000-0x0000000006204000-memory.dmp

Filesize
3.3MB

Download
memory/1252-77-0x0000000007A60000-0x0000000007AF6000-memory.dmp

Filesize
600KB

Download
memory/1252-50-0x0000000006880000-0x00000000068CC000-memory.dmp

Filesize
304KB

Download
memory/1252-20-0x0000000005DC0000-0x0000000005E26000-memory.dmp

Filesize
408KB

Download
memory/1252-19-0x0000000005D20000-0x0000000005D42000-memory.dmp

Filesize
136KB

Download
memory/1252-21-0x0000000005E30000-0x0000000005E96000-memory.dmp

Filesize
408KB

Download
memory/1252-18-0x00000000753B0000-0x0000000075B60000-memory.dmp

Filesize
7.7MB

Download
memory/1252-88-0x00000000753B0000-0x0000000075B60000-memory.dmp

Filesize
7.7MB

Download
memory/1252-17-0x00000000056F0000-0x0000000005D18000-memory.dmp

Filesize
6.2MB

Download
memory/1252-16-0x00000000753B0000-0x0000000075B60000-memory.dmp

Filesize
7.7MB

Download
memory/1768-46-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1768-90-0x0000000006C40000-0x0000000006C90000-memory.dmp

Filesize
320KB

Download