agenttesla | 21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1

General

Target

21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe
Size

667KB
MD5

9355c0650f7d93309623377fec4f5f79
SHA1

93e25eebb5fd19d3924ea88f11b1067e977fd03a
SHA256

21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1
SHA512

5c942cf63d9bcad72d9d33312b72b35d2459daa32fdba426219ade754d4215353a42cdce1eddb6c60d9c7530ce0815e3e9c5a271a6936bda614cdbb44ad61470
SSDEEP

12288:e3L87+2lVqhrSEtPQabCvCFPOc8QOu3Mq2aIg+PUrg2ZJmLm6bW47R2KELnnrCAs:Ug7+2lVqhGYHrhn372fPUrJYy9KELn+n

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
ssl0.ovh.net
Port:
587
Username:
[email protected]
Password:
SZx^87o69m
Email To:
[email protected]

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3940 set thread context of 3564	3940	21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe	92

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3956	3564	WerFault.exe	92

System Location Discovery: System Language Discovery 1 TTPs 2 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	21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3940	21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe
3940	21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe
3940	21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe
3940	21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3940	21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3940 wrote to memory of 4604	3940	21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe	91
PID 3940 wrote to memory of 4604	3940	21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe	91
PID 3940 wrote to memory of 4604	3940	21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe	91
PID 3940 wrote to memory of 3564	3940	21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe	92
PID 3940 wrote to memory of 3564	3940	21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe	92
PID 3940 wrote to memory of 3564	3940	21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe	92
PID 3940 wrote to memory of 3564	3940	21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe	92
PID 3940 wrote to memory of 3564	3940	21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe	92
PID 3940 wrote to memory of 3564	3940	21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe	92
PID 3940 wrote to memory of 3564	3940	21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe	92
PID 3940 wrote to memory of 3564	3940	21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe	92

C:\Users\Admin\AppData\Local\Temp\21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe
"C:\Users\Admin\AppData\Local\Temp\21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3940
- C:\Users\Admin\AppData\Local\Temp\21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe
  "C:\Users\Admin\AppData\Local\Temp\21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe"
  2⤵
  PID:4604
- C:\Users\Admin\AppData\Local\Temp\21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe
  "C:\Users\Admin\AppData\Local\Temp\21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3564
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3564 -s 756
    3⤵
    - Program crash
    PID:3956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3564 -ip 3564
1⤵
PID:3812

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\21b4ef7daa0edacc38c3b0a582ccc3ae3c3852c06733cd7fc543d346fe545fa1.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/3564-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3564-17-0x00000000745B0000-0x0000000074D60000-memory.dmp

Filesize
7.7MB

Download
memory/3564-15-0x00000000745B0000-0x0000000074D60000-memory.dmp

Filesize
7.7MB

Download
memory/3940-4-0x0000000005B10000-0x0000000005B1A000-memory.dmp

Filesize
40KB

Download
memory/3940-5-0x00000000745B0000-0x0000000074D60000-memory.dmp

Filesize
7.7MB

Download
memory/3940-6-0x0000000005CB0000-0x0000000005CC8000-memory.dmp

Filesize
96KB

Download
memory/3940-7-0x00000000745BE000-0x00000000745BF000-memory.dmp

Filesize
4KB

Download
memory/3940-8-0x00000000745B0000-0x0000000074D60000-memory.dmp

Filesize
7.7MB

Download
memory/3940-9-0x0000000005F50000-0x0000000005F5E000-memory.dmp

Filesize
56KB

Download
memory/3940-10-0x00000000069F0000-0x0000000006A6C000-memory.dmp

Filesize
496KB

Download
memory/3940-11-0x0000000008FD0000-0x000000000906C000-memory.dmp

Filesize
624KB

Download
memory/3940-0-0x00000000745BE000-0x00000000745BF000-memory.dmp

Filesize
4KB

Download
memory/3940-3-0x0000000005A40000-0x0000000005AD2000-memory.dmp

Filesize
584KB

Download
memory/3940-2-0x00000000060F0000-0x0000000006694000-memory.dmp

Filesize
5.6MB

Download
memory/3940-16-0x00000000745B0000-0x0000000074D60000-memory.dmp

Filesize
7.7MB

Download
memory/3940-1-0x0000000000FC0000-0x000000000106E000-memory.dmp

Filesize
696KB

Download

Analysis

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