agenttesla | e66ed8d87430588f029d4ed6787d54de508b271fca3d2266023ae1f0c69d75e2

General

Target

$PLUGINSDIR/cxapxirycmq.dll
Size

20KB
MD5

f9c99f7e3b80bd0757ccad6a4ee2c795
SHA1

e487ee3c5fc3d1e0817a8c5646ed042312a8ad83
SHA256

963d2beb680b2f7b490063c3f248ae28fdadec39b0b9542c4b79a48f07bbd907
SHA512

c4ed2f2dc2b6d79f3f37433023428bfe7607360e257864e29fab249619e666df5b00542640d89f29ae510f83e514b41eba14fcc3232e9416a0b8e248eb59b01c
SSDEEP

384:7ANhp0pWEbbJVpptCxAoNI2M+qjMoejTJ1Yl5Zn:Ghp0cEbbJPp/NQoyJ1Y7Z

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/2028-1-0x0000000000400000-0x000000000044B000-memory.dmp	family_agenttesla
behavioral3/memory/2028-5-0x0000000000400000-0x000000000044B000-memory.dmp	family_agenttesla
behavioral3/memory/2028-3-0x0000000000400000-0x000000000044B000-memory.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2548 set thread context of 2028	2548	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
2028	rundll32.exe
2028	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2028	rundll32.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 2548	1972	rundll32.exe	30
PID 1972 wrote to memory of 2548	1972	rundll32.exe	30
PID 1972 wrote to memory of 2548	1972	rundll32.exe	30
PID 1972 wrote to memory of 2548	1972	rundll32.exe	30
PID 1972 wrote to memory of 2548	1972	rundll32.exe	30
PID 1972 wrote to memory of 2548	1972	rundll32.exe	30
PID 1972 wrote to memory of 2548	1972	rundll32.exe	30
PID 2548 wrote to memory of 2028	2548	rundll32.exe	31
PID 2548 wrote to memory of 2028	2548	rundll32.exe	31
PID 2548 wrote to memory of 2028	2548	rundll32.exe	31
PID 2548 wrote to memory of 2028	2548	rundll32.exe	31
PID 2548 wrote to memory of 2028	2548	rundll32.exe	31
PID 2548 wrote to memory of 2028	2548	rundll32.exe	31
PID 2548 wrote to memory of 2028	2548	rundll32.exe	31
PID 2548 wrote to memory of 2028	2548	rundll32.exe	31
PID 2548 wrote to memory of 2028	2548	rundll32.exe	31
PID 2548 wrote to memory of 2028	2548	rundll32.exe	31
PID 2548 wrote to memory of 2028	2548	rundll32.exe	31
PID 2548 wrote to memory of 2028	2548	rundll32.exe	31
PID 2548 wrote to memory of 2028	2548	rundll32.exe	31
PID 2548 wrote to memory of 2028	2548	rundll32.exe	31
PID 2028 wrote to memory of 2784	2028	rundll32.exe	32
PID 2028 wrote to memory of 2784	2028	rundll32.exe	32
PID 2028 wrote to memory of 2784	2028	rundll32.exe	32
PID 2028 wrote to memory of 2784	2028	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\cxapxirycmq.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\cxapxirycmq.dll,#1
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2548
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\cxapxirycmq.dll,#1
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2028
  - - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
      dw20.exe -x -s 548
      4⤵
      System Location Discovery: System Language Discovery
      PID:2784

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/2028-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2028-5-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2028-3-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2028-6-0x0000000074A81000-0x0000000074A82000-memory.dmp

Filesize
4KB

Download
memory/2028-7-0x0000000074A80000-0x000000007502B000-memory.dmp

Filesize
5.7MB

Download
memory/2028-8-0x0000000074A80000-0x000000007502B000-memory.dmp

Filesize
5.7MB

Download
memory/2028-9-0x0000000074A80000-0x000000007502B000-memory.dmp

Filesize
5.7MB

Download
memory/2028-10-0x0000000074A80000-0x000000007502B000-memory.dmp

Filesize
5.7MB

Download
memory/2028-12-0x0000000074A80000-0x000000007502B000-memory.dmp

Filesize
5.7MB

Download
memory/2548-0-0x0000000075345000-0x0000000075347000-memory.dmp

Filesize
8KB

Download
memory/2784-11-0x0000000001E70000-0x0000000001E71000-memory.dmp

Filesize
4KB

Download

Analysis

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