agenttesla | dec081544348d7000fcbd9ee30c3854733dc8b56f808f5dae28a21050fce03a2

General

Target
western union.exe
Size 780KB
Sample200812-pmx5b5lwa2
SHA256 dec081544348d7000fcbd9ee30c3854733dc8b56f808f5dae28a21050fce03a2
MD5 93847b77be4e04987b33077434737d01
SHA1 a446b41c06c743983a40dd986a6de40c594ceee1
SHA512 75b0237399a98680aa52c7f10a0ecdd50fefb2d7939d79f720ce3dd43cbd2c88acffb427357b1059d6226704c5a8d61aaaa9c831dc81b8fcc49e62a69320acfa
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
smtp.gmail.com
Port
587
Username
[email protected]
Password
princeptlove41999

Signatures

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

AgentTesla Payload 7 IoCs

resource	yara_rule
behavioral1/files/0x00040000000131b1-6.dat	family_agenttesla
behavioral1/files/0x00040000000131b1-8.dat	family_agenttesla
behavioral1/files/0x00040000000131b1-9.dat	family_agenttesla
behavioral1/memory/1072-17-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1072-18-0x000000000044A78E-mapping.dmp	family_agenttesla
behavioral1/memory/1072-20-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1072-21-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

pid	Process
1784	application.exe
1072	AddInProcess32.exe

Loads dropped DLL 2 IoCs

pid	Process
1100	western union.exe
1784	application.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-403932158-3302036622-1224131197-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-403932158-3302036622-1224131197-1000\Software\Microsoft\Windows\CurrentVersion\Run\application = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Roaming\\application.exe"	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-403932158-3302036622-1224131197-1000\Software\Microsoft\Windows\CurrentVersion\Run\CrywfRZe = "C:\\Users\\Admin\\AppData\\Roaming\\fCvYpQH\\ljYBX.exe"	AddInProcess32.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1784 set thread context of 1072	1784	application.exe	30

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1100	western union.exe
1100	western union.exe
1100	western union.exe
1784	application.exe
1784	application.exe
1784	application.exe
1072	AddInProcess32.exe
1072	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1100	western union.exe
Token: SeDebugPrivilege	1784	application.exe
Token: SeDebugPrivilege	1072	AddInProcess32.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 1828	1100	western union.exe	24
PID 1100 wrote to memory of 1828	1100	western union.exe	24
PID 1100 wrote to memory of 1828	1100	western union.exe	24
PID 1100 wrote to memory of 1828	1100	western union.exe	24
PID 1828 wrote to memory of 1856	1828	cmd.exe	26
PID 1828 wrote to memory of 1856	1828	cmd.exe	26
PID 1828 wrote to memory of 1856	1828	cmd.exe	26
PID 1828 wrote to memory of 1856	1828	cmd.exe	26
PID 1100 wrote to memory of 1784	1100	western union.exe	29
PID 1100 wrote to memory of 1784	1100	western union.exe	29
PID 1100 wrote to memory of 1784	1100	western union.exe	29
PID 1100 wrote to memory of 1784	1100	western union.exe	29
PID 1784 wrote to memory of 1072	1784	application.exe	30
PID 1784 wrote to memory of 1072	1784	application.exe	30
PID 1784 wrote to memory of 1072	1784	application.exe	30
PID 1784 wrote to memory of 1072	1784	application.exe	30
PID 1784 wrote to memory of 1072	1784	application.exe	30
PID 1784 wrote to memory of 1072	1784	application.exe	30
PID 1784 wrote to memory of 1072	1784	application.exe	30
PID 1784 wrote to memory of 1072	1784	application.exe	30
PID 1784 wrote to memory of 1072	1784	application.exe	30

C:\Users\Admin\AppData\Local\Temp\western union.exe
"C:\Users\Admin\AppData\Local\Temp\western union.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v application /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\application.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1828
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v application /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\application.exe"
    3⤵
    - Adds Run key to start application
    PID:1856
- C:\Users\Admin\AppData\Roaming\application.exe
  "C:\Users\Admin\AppData\Roaming\application.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1784
- - C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
    "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1072

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1072-17-0x0000000000400000-0x0000000000450000-memory.dmp

Download

memory/1072-22-0x0000000073310000-0x00000000739FE000-memory.dmp

Download

memory/1072-21-0x0000000000400000-0x0000000000450000-memory.dmp

Download

memory/1072-20-0x0000000000400000-0x0000000000450000-memory.dmp

Download

memory/1100-1-0x0000000000F80000-0x0000000000F81000-memory.dmp

Download

memory/1100-3-0x0000000000380000-0x000000000038F000-memory.dmp

Download

memory/1100-0-0x0000000073F90000-0x000000007467E000-memory.dmp

Download

memory/1784-14-0x00000000009D0000-0x00000000009D3000-memory.dmp

Download

memory/1784-11-0x00000000010D0000-0x00000000010D1000-memory.dmp

Download

memory/1784-10-0x0000000073F90000-0x000000007467E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads