agenttesla | 403c6b151976080257ee2ba66535a58f1a9b824ec6ac90e24159910b61b20c13

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-09-2024 23:52

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General

Target

cj.exe
Size

810.6MB
MD5

4577904002f77c1cc861041f379d0fae
SHA1

9ad75bebaaae5a2c63600e4e3fa39de3751fd0cb
SHA256

e138199d0ad358bec8b6dfd708afe4e2f071686116d04eb797d542788346e6e3
SHA512

38117f967643c05dbc31f1a3a165baf7f2b69cdb284b583e2f2408ca7e59e6f540864c579a8e794999d792cb761b2f2417234936b9016ec29a5ec6bf0ea98e91
SSDEEP

12288:4Pn0mNOJgrxmdQqe19Z/PamxTu3VWRe2OjNk7d7q88u3UQ/370Vr:45OJAkQBt/PLxaMyOdu8jkQ/er

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot7000875199:AAGcJDBHFcfVUBvhBO4xZLw34OXk1NWXSe0/

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
5044	powershell.exe
4356	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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	cj.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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4736 set thread context of 3972	4736	cj.exe	96

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	cj.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	cj.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
1988	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
5044	powershell.exe
5044	powershell.exe
4356	powershell.exe
4736	cj.exe
4736	cj.exe
4736	cj.exe
4736	cj.exe
4356	powershell.exe
3972	cj.exe
3972	cj.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	5044	powershell.exe
Token: SeDebugPrivilege	4356	powershell.exe
Token: SeDebugPrivilege	4736	cj.exe
Token: SeDebugPrivilege	3972	cj.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4736 wrote to memory of 5044	4736	cj.exe	88
PID 4736 wrote to memory of 5044	4736	cj.exe	88
PID 4736 wrote to memory of 5044	4736	cj.exe	88
PID 4736 wrote to memory of 4356	4736	cj.exe	90
PID 4736 wrote to memory of 4356	4736	cj.exe	90
PID 4736 wrote to memory of 4356	4736	cj.exe	90
PID 4736 wrote to memory of 1988	4736	cj.exe	92
PID 4736 wrote to memory of 1988	4736	cj.exe	92
PID 4736 wrote to memory of 1988	4736	cj.exe	92
PID 4736 wrote to memory of 4240	4736	cj.exe	94
PID 4736 wrote to memory of 4240	4736	cj.exe	94
PID 4736 wrote to memory of 4240	4736	cj.exe	94
PID 4736 wrote to memory of 1716	4736	cj.exe	95
PID 4736 wrote to memory of 1716	4736	cj.exe	95
PID 4736 wrote to memory of 1716	4736	cj.exe	95
PID 4736 wrote to memory of 3972	4736	cj.exe	96
PID 4736 wrote to memory of 3972	4736	cj.exe	96
PID 4736 wrote to memory of 3972	4736	cj.exe	96
PID 4736 wrote to memory of 3972	4736	cj.exe	96
PID 4736 wrote to memory of 3972	4736	cj.exe	96
PID 4736 wrote to memory of 3972	4736	cj.exe	96
PID 4736 wrote to memory of 3972	4736	cj.exe	96
PID 4736 wrote to memory of 3972	4736	cj.exe	96

C:\Users\Admin\AppData\Local\Temp\cj.exe
"C:\Users\Admin\AppData\Local\Temp\cj.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4736
- 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\cj.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5044
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gDFvodiSUkk.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4356
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gDFvodiSUkk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDEA8.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1988
- C:\Users\Admin\AppData\Local\Temp\cj.exe
  "C:\Users\Admin\AppData\Local\Temp\cj.exe"
  2⤵
  PID:4240
- C:\Users\Admin\AppData\Local\Temp\cj.exe
  "C:\Users\Admin\AppData\Local\Temp\cj.exe"
  2⤵
  PID:1716
- C:\Users\Admin\AppData\Local\Temp\cj.exe
  "C:\Users\Admin\AppData\Local\Temp\cj.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3972

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\cj.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
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
a064e2440b2abdc05f7a608f13b24a09

SHA1
6e4ff20c8c6df9f0224240a474a143a7f2033e2c

SHA256
27d7cf4244eadecb4823ba094a0beab4d955c769f9bdb45a46ad5da43529691b

SHA512
6ea036686089d3325a2eeefb069b5b9f2f087019ef7df3e3fe29a2d144b6aea44e5ed6a1ce240dacbc0371a3645847a1034a1d95e7fbcc0da65350e5fdb159d6

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tddpas1g.dx1.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDEA8.tmp

Filesize
1KB

MD5
d8dfd1a743e6444f9de7e17dbb2ed23e

SHA1
1b3e4e805a5de3694ebf0a666261c67c41956216

SHA256
6a1fecfc961fde9df9b9a6fc35fffa7a380438de84001ab4e1336d66ec013d96

SHA512
075b5ec223d3f8d9a9e290de6048a8765b2a3cc8c2d2c89d758388fe6654253b568ba4e6482f2687f86a249c6997e6f5b96f6952015bd925bbe61fc5db4db56b

Download Submit
memory/3972-48-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3972-90-0x00000000066C0000-0x0000000006710000-memory.dmp

Filesize
320KB

Download
memory/4356-89-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/4356-35-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/4356-34-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/4356-36-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/4356-69-0x000000006FDE0000-0x000000006FE2C000-memory.dmp

Filesize
304KB

Download
memory/4736-6-0x0000000005BB0000-0x0000000005BC0000-memory.dmp

Filesize
64KB

Download
memory/4736-0-0x0000000074DFE000-0x0000000074DFF000-memory.dmp

Filesize
4KB

Download
memory/4736-10-0x0000000009990000-0x0000000009A2C000-memory.dmp

Filesize
624KB

Download
memory/4736-9-0x0000000007300000-0x0000000007384000-memory.dmp

Filesize
528KB

Download
memory/4736-8-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/4736-63-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/4736-7-0x0000000074DFE000-0x0000000074DFF000-memory.dmp

Filesize
4KB

Download
memory/4736-5-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/4736-4-0x00000000059C0000-0x00000000059CA000-memory.dmp

Filesize
40KB

Download
memory/4736-3-0x0000000005820000-0x00000000058B2000-memory.dmp

Filesize
584KB

Download
memory/4736-2-0x0000000005CE0000-0x0000000006284000-memory.dmp

Filesize
5.6MB

Download
memory/4736-1-0x0000000000DB0000-0x0000000000E52000-memory.dmp

Filesize
648KB

Download
memory/5044-12-0x0000000005890000-0x0000000005EB8000-memory.dmp

Filesize
6.2MB

Download
memory/5044-29-0x0000000006790000-0x00000000067DC000-memory.dmp

Filesize
304KB

Download
memory/5044-47-0x0000000006CC0000-0x0000000006CF2000-memory.dmp

Filesize
200KB

Download
memory/5044-28-0x0000000006700000-0x000000000671E000-memory.dmp

Filesize
120KB

Download
memory/5044-59-0x0000000006D00000-0x0000000006D1E000-memory.dmp

Filesize
120KB

Download
memory/5044-49-0x000000006FDE0000-0x000000006FE2C000-memory.dmp

Filesize
304KB

Download
memory/5044-62-0x00000000078E0000-0x0000000007983000-memory.dmp

Filesize
652KB

Download
memory/5044-27-0x00000000060D0000-0x0000000006424000-memory.dmp

Filesize
3.3MB

Download
memory/5044-17-0x0000000005FA0000-0x0000000006006000-memory.dmp

Filesize
408KB

Download
memory/5044-64-0x0000000008060000-0x00000000086DA000-memory.dmp

Filesize
6.5MB

Download
memory/5044-65-0x0000000007A20000-0x0000000007A3A000-memory.dmp

Filesize
104KB

Download
memory/5044-66-0x0000000007A90000-0x0000000007A9A000-memory.dmp

Filesize
40KB

Download
memory/5044-67-0x0000000007CA0000-0x0000000007D36000-memory.dmp

Filesize
600KB

Download
memory/5044-68-0x0000000007C20000-0x0000000007C31000-memory.dmp

Filesize
68KB

Download
memory/5044-16-0x0000000005F30000-0x0000000005F96000-memory.dmp

Filesize
408KB

Download
memory/5044-79-0x0000000007C50000-0x0000000007C5E000-memory.dmp

Filesize
56KB

Download
memory/5044-80-0x0000000007C60000-0x0000000007C74000-memory.dmp

Filesize
80KB

Download
memory/5044-81-0x0000000007D60000-0x0000000007D7A000-memory.dmp

Filesize
104KB

Download
memory/5044-82-0x0000000007D40000-0x0000000007D48000-memory.dmp

Filesize
32KB

Download
memory/5044-85-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/5044-15-0x0000000005730000-0x0000000005752000-memory.dmp

Filesize
136KB

Download
memory/5044-14-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/5044-13-0x0000000074DF0000-0x00000000755A0000-memory.dmp

Filesize
7.7MB

Download
memory/5044-11-0x0000000005120000-0x0000000005156000-memory.dmp

Filesize
216KB

Download