agenttesla | 9dc6644b59a4c37995b0c017256d938e03f6dc26a7b2cfee9f6eac92d8457dc6

General

Target

$PLUGINSDIR/woskyvpzx.dll
Size

19KB
MD5

dd4ff4b24f8b39951e3946a5282b7ed0
SHA1

d4d1015d01326ba4526fcff52e4c9bbb271d951e
SHA256

f880d09a6f9bc64f974844f92fa9bb764dc2613342fde134d8c037a2267506bc
SHA512

6e822b523f15948a42b1d2703525c8f3744fbb6a7e3aff99345908822fbd65dafe38d6972976211f9558c712d65be1c1a42bb9dabb63fb4576c409ce95e93528
SSDEEP

384:ZS6zZ1fZeiwx2OoULif7NSrSinQyTL8vj:ZTzZ1BeigaxSrSi2

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Signatures

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

AgentTesla payload 3 IoCs

resource	yara_rule
behavioral3/memory/2660-3-0x0000000000400000-0x000000000044B000-memory.dmp	family_agenttesla
behavioral3/memory/2660-1-0x0000000000400000-0x000000000044B000-memory.dmp	family_agenttesla
behavioral3/memory/2660-5-0x0000000000400000-0x000000000044B000-memory.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2664 set thread context of 2660	2664	rundll32.exe	31

System Location Discovery: System Language Discovery 1 TTPs 3 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dw20.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2660	rundll32.exe
2660	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2660	rundll32.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1268 wrote to memory of 2664	1268	rundll32.exe	30
PID 1268 wrote to memory of 2664	1268	rundll32.exe	30
PID 1268 wrote to memory of 2664	1268	rundll32.exe	30
PID 1268 wrote to memory of 2664	1268	rundll32.exe	30
PID 1268 wrote to memory of 2664	1268	rundll32.exe	30
PID 1268 wrote to memory of 2664	1268	rundll32.exe	30
PID 1268 wrote to memory of 2664	1268	rundll32.exe	30
PID 2664 wrote to memory of 2660	2664	rundll32.exe	31
PID 2664 wrote to memory of 2660	2664	rundll32.exe	31
PID 2664 wrote to memory of 2660	2664	rundll32.exe	31
PID 2664 wrote to memory of 2660	2664	rundll32.exe	31
PID 2664 wrote to memory of 2660	2664	rundll32.exe	31
PID 2664 wrote to memory of 2660	2664	rundll32.exe	31
PID 2664 wrote to memory of 2660	2664	rundll32.exe	31
PID 2664 wrote to memory of 2660	2664	rundll32.exe	31
PID 2664 wrote to memory of 2660	2664	rundll32.exe	31
PID 2664 wrote to memory of 2660	2664	rundll32.exe	31
PID 2664 wrote to memory of 2660	2664	rundll32.exe	31
PID 2664 wrote to memory of 2660	2664	rundll32.exe	31
PID 2664 wrote to memory of 2660	2664	rundll32.exe	31
PID 2664 wrote to memory of 2660	2664	rundll32.exe	31
PID 2660 wrote to memory of 2684	2660	rundll32.exe	32
PID 2660 wrote to memory of 2684	2660	rundll32.exe	32
PID 2660 wrote to memory of 2684	2660	rundll32.exe	32
PID 2660 wrote to memory of 2684	2660	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\woskyvpzx.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1268
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\woskyvpzx.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2664
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\woskyvpzx.dll,#1
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2660
  - - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
      dw20.exe -x -s 548
      4⤵
      System Location Discovery: System Language Discovery
      PID:2684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2660-3-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2660-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2660-5-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2660-6-0x0000000074A01000-0x0000000074A02000-memory.dmp

Filesize
4KB

Download
memory/2660-7-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/2660-8-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/2660-9-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/2660-10-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/2660-12-0x0000000074A00000-0x0000000074FAB000-memory.dmp

Filesize
5.7MB

Download
memory/2664-0-0x0000000010005000-0x0000000010007000-memory.dmp

Filesize
8KB

Download
memory/2684-11-0x0000000000450000-0x0000000000451000-memory.dmp

Filesize
4KB

Download

Analysis

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