agenttesla | ea5f61ba2282bf0b98c22c548bd57a5f8115e93611d085953cd4e04f6a825615

General

Target

cf42aa19bd88626813cb2aa7c8b68b37_JaffaCakes118.exe
Size

410KB
MD5

cf42aa19bd88626813cb2aa7c8b68b37
SHA1

df529898b3da01a15392c008878288a2fa4a7576
SHA256

ea5f61ba2282bf0b98c22c548bd57a5f8115e93611d085953cd4e04f6a825615
SHA512

3d088b33d982cb3daf9e343d644ee1124cd8e38d910fb52a82e6fa4e341ee3f0159b9c6b897ad7803d6e2c8f93df49e622cc988ae8113f0ea2a4a1d24486c9dc
SSDEEP

12288:mCmESo6fj+uePPTONJuG35GrtWsuYM6GV4XppA9+:m9ESTfjnezOGIGrUsuYMD2ZpT

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1975237880:AAHKgRnseXCSSPJw6MgfujMF0PvBjyMOsXc/sendDocument

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/4204-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1444 set thread context of 4204	1444	cf42aa19bd88626813cb2aa7c8b68b37_JaffaCakes118.exe	104

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	cf42aa19bd88626813cb2aa7c8b68b37_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cf42aa19bd88626813cb2aa7c8b68b37_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4204	cf42aa19bd88626813cb2aa7c8b68b37_JaffaCakes118.exe
4204	cf42aa19bd88626813cb2aa7c8b68b37_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4204	cf42aa19bd88626813cb2aa7c8b68b37_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1444 wrote to memory of 4204	1444	cf42aa19bd88626813cb2aa7c8b68b37_JaffaCakes118.exe	104
PID 1444 wrote to memory of 4204	1444	cf42aa19bd88626813cb2aa7c8b68b37_JaffaCakes118.exe	104
PID 1444 wrote to memory of 4204	1444	cf42aa19bd88626813cb2aa7c8b68b37_JaffaCakes118.exe	104
PID 1444 wrote to memory of 4204	1444	cf42aa19bd88626813cb2aa7c8b68b37_JaffaCakes118.exe	104
PID 1444 wrote to memory of 4204	1444	cf42aa19bd88626813cb2aa7c8b68b37_JaffaCakes118.exe	104
PID 1444 wrote to memory of 4204	1444	cf42aa19bd88626813cb2aa7c8b68b37_JaffaCakes118.exe	104
PID 1444 wrote to memory of 4204	1444	cf42aa19bd88626813cb2aa7c8b68b37_JaffaCakes118.exe	104
PID 1444 wrote to memory of 4204	1444	cf42aa19bd88626813cb2aa7c8b68b37_JaffaCakes118.exe	104

C:\Users\Admin\AppData\Local\Temp\cf42aa19bd88626813cb2aa7c8b68b37_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cf42aa19bd88626813cb2aa7c8b68b37_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1444
- C:\Users\Admin\AppData\Local\Temp\cf42aa19bd88626813cb2aa7c8b68b37_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\cf42aa19bd88626813cb2aa7c8b68b37_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4204

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4404,i,1330210614411927383,9239043499051775691,262144 --variations-seed-version --mojo-platform-channel-handle=4444 /prefetch:8
1⤵
PID:3912

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\cf42aa19bd88626813cb2aa7c8b68b37_JaffaCakes118.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1444-10-0x00000000065F0000-0x0000000006650000-memory.dmp

Filesize
384KB

Download
memory/1444-15-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/1444-9-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/1444-4-0x0000000004F40000-0x0000000004F4A000-memory.dmp

Filesize
40KB

Download
memory/1444-5-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/1444-6-0x0000000006660000-0x00000000066FC000-memory.dmp

Filesize
624KB

Download
memory/1444-7-0x00000000050E0000-0x00000000050F2000-memory.dmp

Filesize
72KB

Download
memory/1444-8-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/1444-3-0x0000000004F90000-0x0000000005022000-memory.dmp

Filesize
584KB

Download
memory/1444-0-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/1444-1-0x0000000000510000-0x000000000057C000-memory.dmp

Filesize
432KB

Download
memory/1444-2-0x00000000054A0000-0x0000000005A44000-memory.dmp

Filesize
5.6MB

Download
memory/4204-14-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/4204-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4204-16-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/4204-17-0x0000000005670000-0x0000000005688000-memory.dmp

Filesize
96KB

Download
memory/4204-18-0x0000000005F10000-0x0000000005F76000-memory.dmp

Filesize
408KB

Download
memory/4204-19-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/4204-20-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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