agenttesla | 2ddfef3d7e1d729026bbdde6be37173bf056f62d9528f9409d7667a91987e923

General

Target

DOC8558388_AUGUST2021.exe
Size

1.3MB
MD5

fe1e7c4a720c5aabdff8b5134ff25292
SHA1

3b512edaf968cfc824a73eee98a841bf893cbe99
SHA256

64186ecb7905dcf865a55113e959199d17479cbe9a538669b4f4d356b194dbfc
SHA512

8fdfc7bf5f8958a65b6485583d0a05fed35c9c791522d100f870a35eeefe3fea65649293d3d60a36037311004b294ca7dba182eac6331981aa60bfd31d2de04b
SSDEEP

24576:vQRK0rxB/HOIThNN7Mtqk8RbZZS5R0DlhuCO:v2BtThXEc3Bb0

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.rdnsanom.xyz
Port:
587
Username:
[email protected]
Password:
j!P2f~oad_G7
Email To:
[email protected]

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2892-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2892-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2892-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2892-10-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2892-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2100 set thread context of 2892	2100	DOC8558388_AUGUST2021.exe	31

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	DOC8558388_AUGUST2021.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DOC8558388_AUGUST2021.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2892	DOC8558388_AUGUST2021.exe
2892	DOC8558388_AUGUST2021.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2892	DOC8558388_AUGUST2021.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2892	2100	DOC8558388_AUGUST2021.exe	31
PID 2100 wrote to memory of 2892	2100	DOC8558388_AUGUST2021.exe	31
PID 2100 wrote to memory of 2892	2100	DOC8558388_AUGUST2021.exe	31
PID 2100 wrote to memory of 2892	2100	DOC8558388_AUGUST2021.exe	31
PID 2100 wrote to memory of 2892	2100	DOC8558388_AUGUST2021.exe	31
PID 2100 wrote to memory of 2892	2100	DOC8558388_AUGUST2021.exe	31
PID 2100 wrote to memory of 2892	2100	DOC8558388_AUGUST2021.exe	31
PID 2100 wrote to memory of 2892	2100	DOC8558388_AUGUST2021.exe	31
PID 2100 wrote to memory of 2892	2100	DOC8558388_AUGUST2021.exe	31

C:\Users\Admin\AppData\Local\Temp\DOC8558388_AUGUST2021.exe
"C:\Users\Admin\AppData\Local\Temp\DOC8558388_AUGUST2021.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Users\Admin\AppData\Local\Temp\DOC8558388_AUGUST2021.exe
  "C:\Users\Admin\AppData\Local\Temp\DOC8558388_AUGUST2021.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2892

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

Loading Replay Monitor...

Downloads

memory/2100-0-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

Filesize
4KB

Download
memory/2100-1-0x0000000000820000-0x000000000096A000-memory.dmp

Filesize
1.3MB

Download
memory/2100-2-0x0000000074E50000-0x000000007553E000-memory.dmp

Filesize
6.9MB

Download
memory/2100-3-0x0000000000430000-0x000000000044E000-memory.dmp

Filesize
120KB

Download
memory/2100-4-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

Filesize
4KB

Download
memory/2100-5-0x0000000074E50000-0x000000007553E000-memory.dmp

Filesize
6.9MB

Download
memory/2100-6-0x0000000005880000-0x0000000005922000-memory.dmp

Filesize
648KB

Download
memory/2100-7-0x0000000001F90000-0x0000000001FCC000-memory.dmp

Filesize
240KB

Download
memory/2100-22-0x0000000074E50000-0x000000007553E000-memory.dmp

Filesize
6.9MB

Download
memory/2892-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2892-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2892-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2892-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2892-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2892-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2892-21-0x0000000074E50000-0x000000007553E000-memory.dmp

Filesize
6.9MB

Download
memory/2892-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2892-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2892-23-0x0000000074E50000-0x000000007553E000-memory.dmp

Filesize
6.9MB

Download
memory/2892-24-0x0000000074E50000-0x000000007553E000-memory.dmp

Filesize
6.9MB

Download
memory/2892-25-0x0000000074E50000-0x000000007553E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing