agenttesla | ad9ea09ec4170fbca565125a45e530ca8f6105b4d5d48ec3a5c729af98932499

General

Target

6a00f96910b958ad9e5c3394a2b31999_JaffaCakes118.exe
Size

724KB
MD5

6a00f96910b958ad9e5c3394a2b31999
SHA1

927abdb2d7510b924da27ed47e00ab916ed3bd22
SHA256

ad9ea09ec4170fbca565125a45e530ca8f6105b4d5d48ec3a5c729af98932499
SHA512

9cf2531b5d7a7388449e0c91d00aeb48d505d5bc12693ba488644af1162782e31e6208338e8962641981db11912828d30a5d4694fcaaa66016c03ecb90a699cf
SSDEEP

12288:+SQycOwtOTKhshQ9tDxMW6yuZWLDAyiiTB/1uVSrDmA3zSKVHbQ63qm2p0Jl:tc6TKOhQ9tWyuZWfA0BUVSOA+KV7Q63z

Score

10^/10

agenttesla collection 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 payload 15 IoCs

resource	yara_rule
behavioral2/memory/4988-5-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral2/memory/4988-20-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral2/memory/4988-27-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral2/memory/4988-26-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral2/memory/4988-24-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral2/memory/4988-21-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral2/memory/4988-29-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral2/memory/4988-18-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral2/memory/4988-16-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral2/memory/4988-15-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral2/memory/4988-14-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral2/memory/4988-13-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral2/memory/4988-12-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral2/memory/4988-11-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral2/memory/4988-10-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6a00f96910b958ad9e5c3394a2b31999_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6a00f96910b958ad9e5c3394a2b31999_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6a00f96910b958ad9e5c3394a2b31999_JaffaCakes118.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
61	checkip.amazonaws.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1972 set thread context of 4988	1972	6a00f96910b958ad9e5c3394a2b31999_JaffaCakes118.exe	92

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4988	6a00f96910b958ad9e5c3394a2b31999_JaffaCakes118.exe
4988	6a00f96910b958ad9e5c3394a2b31999_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1972	6a00f96910b958ad9e5c3394a2b31999_JaffaCakes118.exe
Token: SeDebugPrivilege	4988	6a00f96910b958ad9e5c3394a2b31999_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4988	6a00f96910b958ad9e5c3394a2b31999_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 4988	1972	6a00f96910b958ad9e5c3394a2b31999_JaffaCakes118.exe	92
PID 1972 wrote to memory of 4988	1972	6a00f96910b958ad9e5c3394a2b31999_JaffaCakes118.exe	92
PID 1972 wrote to memory of 4988	1972	6a00f96910b958ad9e5c3394a2b31999_JaffaCakes118.exe	92
PID 1972 wrote to memory of 4988	1972	6a00f96910b958ad9e5c3394a2b31999_JaffaCakes118.exe	92
PID 1972 wrote to memory of 4988	1972	6a00f96910b958ad9e5c3394a2b31999_JaffaCakes118.exe	92
PID 1972 wrote to memory of 4988	1972	6a00f96910b958ad9e5c3394a2b31999_JaffaCakes118.exe	92
PID 1972 wrote to memory of 4988	1972	6a00f96910b958ad9e5c3394a2b31999_JaffaCakes118.exe	92
PID 1972 wrote to memory of 4988	1972	6a00f96910b958ad9e5c3394a2b31999_JaffaCakes118.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6a00f96910b958ad9e5c3394a2b31999_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6a00f96910b958ad9e5c3394a2b31999_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\6a00f96910b958ad9e5c3394a2b31999_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6a00f96910b958ad9e5c3394a2b31999_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Users\Admin\AppData\Local\Temp\6a00f96910b958ad9e5c3394a2b31999_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\6a00f96910b958ad9e5c3394a2b31999_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:4988

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 --no-appcompat-clear --mojo-platform-channel-handle=1312 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
1⤵
PID:228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\6a00f96910b958ad9e5c3394a2b31999_JaffaCakes118.exe.log

Filesize
313B

MD5
580032b56f3eb50550c370c45282819d

SHA1
f038df98749b531df14f79561e4d4aa47ed273a0

SHA256
c35d3e01e4f85ef6cec646d28d0c228dea97e0afe16193ee35944f8ba7022ddd

SHA512
3c435e5bfe5511d57710e7f4892abad5f1c02a1a839c1da1476d9ef851ecf540350e62e8148eb1533f83c5d3d5ad62779e66710281d516227cd727fb9a16c44e

Download Submit
memory/1972-0-0x0000000074C32000-0x0000000074C33000-memory.dmp

Filesize
4KB

Download
memory/1972-1-0x0000000074C30000-0x00000000751E1000-memory.dmp

Filesize
5.7MB

Download
memory/1972-2-0x0000000074C30000-0x00000000751E1000-memory.dmp

Filesize
5.7MB

Download
memory/1972-3-0x0000000074C30000-0x00000000751E1000-memory.dmp

Filesize
5.7MB

Download
memory/1972-4-0x0000000074C30000-0x00000000751E1000-memory.dmp

Filesize
5.7MB

Download
memory/1972-33-0x0000000074C30000-0x00000000751E1000-memory.dmp

Filesize
5.7MB

Download
memory/1972-8-0x0000000074C32000-0x0000000074C33000-memory.dmp

Filesize
4KB

Download
memory/4988-32-0x0000000074C30000-0x00000000751E1000-memory.dmp

Filesize
5.7MB

Download
memory/4988-15-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4988-26-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4988-30-0x0000000074C30000-0x00000000751E1000-memory.dmp

Filesize
5.7MB

Download
memory/4988-31-0x0000000074C30000-0x00000000751E1000-memory.dmp

Filesize
5.7MB

Download
memory/4988-24-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4988-20-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4988-21-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4988-29-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4988-18-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4988-16-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4988-27-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4988-5-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4988-14-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4988-13-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4988-12-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4988-11-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4988-10-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/4988-34-0x0000000074C30000-0x00000000751E1000-memory.dmp

Filesize
5.7MB

Download
memory/4988-35-0x0000000074C30000-0x00000000751E1000-memory.dmp

Filesize
5.7MB

Download
memory/4988-36-0x0000000074C30000-0x00000000751E1000-memory.dmp

Filesize
5.7MB

Download

Analysis

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