agenttesla | a4dc379a6ca20fa75f16c167cb516e37866b36c845eefd7bba23df27435497df

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29/03/2024, 13:22

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General

Target
CamScanner.exe
Size 681KB
Sample240329-ql8j8aab43
SHA256 a4dc379a6ca20fa75f16c167cb516e37866b36c845eefd7bba23df27435497df
MD5 4a52e519df2dc5bfaf57aeda9b5dda0c
SHA1 ef3dd529f7c1d68d761cb82f989d8d22ac928591
SHA512 1aeb0707f1fa26e5fef2f210038aed431730fb3ed174ee506aaebad6e5734bebb49994a9787b141a5cedea50105b5b4d299269b3e1a26d989c309466a25a2425
SSDEEP 12288:y0YOwqyiXn6R9fpRp9mEfn8maMSieTTHMv7nz1VbD0LkR:CO7yis9BR7T8maD5fsrb
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.speedwellabrasive.com
Port
587
Username
[email protected]
Password
9723517720
Email to
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1928 set thread context of 2440	1928	CamScanner.exe	34

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
2580	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1928	CamScanner.exe
2632	powershell.exe
2484	powershell.exe
1928	CamScanner.exe
2440	CamScanner.exe
2440	CamScanner.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1928	CamScanner.exe
Token: SeDebugPrivilege	2632	powershell.exe
Token: SeDebugPrivilege	2484	powershell.exe
Token: SeDebugPrivilege	2440	CamScanner.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2440	CamScanner.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 2484	1928	CamScanner.exe	28
PID 1928 wrote to memory of 2484	1928	CamScanner.exe	28
PID 1928 wrote to memory of 2484	1928	CamScanner.exe	28
PID 1928 wrote to memory of 2484	1928	CamScanner.exe	28
PID 1928 wrote to memory of 2632	1928	CamScanner.exe	30
PID 1928 wrote to memory of 2632	1928	CamScanner.exe	30
PID 1928 wrote to memory of 2632	1928	CamScanner.exe	30
PID 1928 wrote to memory of 2632	1928	CamScanner.exe	30
PID 1928 wrote to memory of 2580	1928	CamScanner.exe	31
PID 1928 wrote to memory of 2580	1928	CamScanner.exe	31
PID 1928 wrote to memory of 2580	1928	CamScanner.exe	31
PID 1928 wrote to memory of 2580	1928	CamScanner.exe	31
PID 1928 wrote to memory of 2440	1928	CamScanner.exe	34
PID 1928 wrote to memory of 2440	1928	CamScanner.exe	34
PID 1928 wrote to memory of 2440	1928	CamScanner.exe	34
PID 1928 wrote to memory of 2440	1928	CamScanner.exe	34
PID 1928 wrote to memory of 2440	1928	CamScanner.exe	34
PID 1928 wrote to memory of 2440	1928	CamScanner.exe	34
PID 1928 wrote to memory of 2440	1928	CamScanner.exe	34
PID 1928 wrote to memory of 2440	1928	CamScanner.exe	34
PID 1928 wrote to memory of 2440	1928	CamScanner.exe	34

C:\Users\Admin\AppData\Local\Temp\CamScanner.exe
"C:\Users\Admin\AppData\Local\Temp\CamScanner.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1928
- 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\CamScanner.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2484
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kiCBVw.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2632
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kiCBVw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp57A2.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2580
- C:\Users\Admin\AppData\Local\Temp\CamScanner.exe
  "C:\Users\Admin\AppData\Local\Temp\CamScanner.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2440

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

tmp57A2.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp57A2.tmp
Size 1KB
SHA256 24f00a24c345fbec2041251e47243f2e0e6fbac560513f0191192219c8a0013e
MD5 600a1c22abf287f6130a540b2dbeba6c
SHA1 94df522d455d600a9ad486ce1d7dcbea35c1e24a
SHA512 0e43a2cecf75eef4231ed338b22981cda6e2c2b2e0fc8c7f95959be76441561b4d645971cdbede78487486511ef462246844603c5d06b49a9728731448e23a11
MD5 SHA1 SHA512

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ILCREVQ3J7T8NH4KGZPW.temp

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ILCREVQ3J7T8NH4KGZPW.temp
Size 7KB
SHA256 fa5a9c0933a302ff41c3259c683c67fa16fc02c6287817a23341541fb66239b0
MD5 f2097e2fb173ab0dc574f7acc7420dc4
SHA1 6ee9c3c4089af12e6665b14bf5dfb1e72a4418dc
SHA512 31cdb1227693b4eccb1cde6043a3311db60a81ad1983b047d2ea91e5681ae390605f08e10d2276d7a4ce31f78a73f3f90223375962829d29291d914d5f1613c9
SSDEEP 96:UnZmC9M89nqvsqvJCwoBs7nZmC9M89nqvsEHyqvJCworHsZ51REQHwE0E7Y53XlU:ArRUoGrRAHnorq582P7Y53C
MD5 SHA1 SHA512 SSDEEP

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memory/1928-35-0x0000000074390000-0x0000000074A7E000-memory.dmp

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memory/1928-3-0x00000000005F0000-0x000000000060A000-memory.dmp

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memory/1928-4-0x0000000000300000-0x000000000030C000-memory.dmp

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memory/1928-5-0x00000000050C0000-0x0000000005142000-memory.dmp

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memory/1928-2-0x0000000000350000-0x0000000000390000-memory.dmp

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memory/1928-1-0x0000000074390000-0x0000000074A7E000-memory.dmp

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memory/1928-0-0x00000000001D0000-0x000000000027E000-memory.dmp

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memory/2440-39-0x0000000074390000-0x0000000074A7E000-memory.dmp

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memory/2440-33-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2440-36-0x0000000004BE0000-0x0000000004C20000-memory.dmp

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memory/2440-34-0x0000000074390000-0x0000000074A7E000-memory.dmp

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memory/2440-29-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2440-40-0x0000000004BE0000-0x0000000004C20000-memory.dmp

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memory/2440-18-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2440-21-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2440-26-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2440-25-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2440-31-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2440-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/2484-38-0x000000006F1E0000-0x000000006F78B000-memory.dmp

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memory/2484-22-0x000000006F1E0000-0x000000006F78B000-memory.dmp

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memory/2484-20-0x000000006F1E0000-0x000000006F78B000-memory.dmp

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memory/2632-19-0x000000006F1E0000-0x000000006F78B000-memory.dmp

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memory/2632-37-0x000000006F1E0000-0x000000006F78B000-memory.dmp

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memory/2632-23-0x000000006F1E0000-0x000000006F78B000-memory.dmp

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memory/2632-24-0x0000000002780000-0x00000000027C0000-memory.dmp

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