agenttesla | e17431ad6de18342227a9f66762fe58d98d2c563ff70702487374f2cdb784ab6

General

Target

f8dcb65b454009ba6b476be734554418_JaffaCakes118.exe
Size

635KB
MD5

f8dcb65b454009ba6b476be734554418
SHA1

cb6040314dbbeda2d354cecbe922de717cfb3f8d
SHA256

e17431ad6de18342227a9f66762fe58d98d2c563ff70702487374f2cdb784ab6
SHA512

37e2729d8b625e43067386f635157ea98dd2dca9118c7017045cf2111f7a0481e5a0731eb6e5477151219323221be4f9cc0b08de76040536430bb8e4f75df52b
SSDEEP

12288:Ap203crPe0z/UX44AYb1j3v617Wr7piXQB/dQU/BjVR2gF:i3crG0LilFb1mgrtKQBF/h2g

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.wowwow.com.sg
Port:
587
Username:
[email protected]
Password:
$$wow_5405*
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/2436-25-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2436-22-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2436-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2436-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2436-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1748 set thread context of 2436	1748	f8dcb65b454009ba6b476be734554418_JaffaCakes118.exe	32

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

System Information Discovery
T1082

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	f8dcb65b454009ba6b476be734554418_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f8dcb65b454009ba6b476be734554418_JaffaCakes118.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2688	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1748	f8dcb65b454009ba6b476be734554418_JaffaCakes118.exe
2436	f8dcb65b454009ba6b476be734554418_JaffaCakes118.exe
2436	f8dcb65b454009ba6b476be734554418_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1748	f8dcb65b454009ba6b476be734554418_JaffaCakes118.exe
Token: SeDebugPrivilege	2436	f8dcb65b454009ba6b476be734554418_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 2688	1748	f8dcb65b454009ba6b476be734554418_JaffaCakes118.exe	30
PID 1748 wrote to memory of 2688	1748	f8dcb65b454009ba6b476be734554418_JaffaCakes118.exe	30
PID 1748 wrote to memory of 2688	1748	f8dcb65b454009ba6b476be734554418_JaffaCakes118.exe	30
PID 1748 wrote to memory of 2688	1748	f8dcb65b454009ba6b476be734554418_JaffaCakes118.exe	30
PID 1748 wrote to memory of 2436	1748	f8dcb65b454009ba6b476be734554418_JaffaCakes118.exe	32
PID 1748 wrote to memory of 2436	1748	f8dcb65b454009ba6b476be734554418_JaffaCakes118.exe	32
PID 1748 wrote to memory of 2436	1748	f8dcb65b454009ba6b476be734554418_JaffaCakes118.exe	32
PID 1748 wrote to memory of 2436	1748	f8dcb65b454009ba6b476be734554418_JaffaCakes118.exe	32
PID 1748 wrote to memory of 2436	1748	f8dcb65b454009ba6b476be734554418_JaffaCakes118.exe	32
PID 1748 wrote to memory of 2436	1748	f8dcb65b454009ba6b476be734554418_JaffaCakes118.exe	32
PID 1748 wrote to memory of 2436	1748	f8dcb65b454009ba6b476be734554418_JaffaCakes118.exe	32
PID 1748 wrote to memory of 2436	1748	f8dcb65b454009ba6b476be734554418_JaffaCakes118.exe	32
PID 1748 wrote to memory of 2436	1748	f8dcb65b454009ba6b476be734554418_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\f8dcb65b454009ba6b476be734554418_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f8dcb65b454009ba6b476be734554418_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DPTQAYxHbUub" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF0F4.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2688
- C:\Users\Admin\AppData\Local\Temp\f8dcb65b454009ba6b476be734554418_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f8dcb65b454009ba6b476be734554418_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

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\Temp\tmpF0F4.tmp

Filesize
1KB

MD5
ff1abadb38cc3cad04eef1fb027e0909

SHA1
2879f5de4381e3a008d686f2673182c21696894d

SHA256
b024341c040a63bb4b9d91c523bdb2eccbba8af50e50e20dd5a79dc991319f82

SHA512
c7678ad7de5d5031e6c807fe7465a7c4dad9d730772a8e091f5f4051df5f37d9f0fd9bea061857e20ddf8b5a61312a0352725efad77119e8e767f4573f0de63c

Download Submit
memory/1748-0-0x000000007470E000-0x000000007470F000-memory.dmp

Filesize
4KB

Download
memory/1748-1-0x0000000001080000-0x0000000001126000-memory.dmp

Filesize
664KB

Download
memory/1748-2-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/1748-3-0x0000000000350000-0x000000000035A000-memory.dmp

Filesize
40KB

Download
memory/1748-4-0x000000007470E000-0x000000007470F000-memory.dmp

Filesize
4KB

Download
memory/1748-5-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/1748-6-0x0000000004FD0000-0x000000000503E000-memory.dmp

Filesize
440KB

Download
memory/1748-27-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2436-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2436-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2436-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2436-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2436-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2436-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2436-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2436-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2436-26-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2436-28-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2436-29-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2436-30-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads