agenttesla | 1989282029a61e17edbca3c6f997a1119ac28e999b9ecf53d84655a04c9a72c6

General

Target

a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe
Size

775KB
MD5

a6aeff5b872702a8554063d812d895d6
SHA1

199f01a82c144f6a38642d931c03a351c4733e24
SHA256

1989282029a61e17edbca3c6f997a1119ac28e999b9ecf53d84655a04c9a72c6
SHA512

cd74c96ebe9056f1fcb43c7537e8e4b205b400e6919f5faf349785a0f2f5e4fa0c5087ae6f3e5a4914ecfc6dbd3e0067dbc7a515ee3c6ebce675cd6eb0e19a18
SSDEEP

24576:4ExvMiLY6PBUDu8TaIabfbFtZGVLyfEN0caH4:4ExvMiLY6P/4QIVXNqH4

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
k4mp1ng3254061

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/4188-8-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5060 set thread context of 4188	5060	a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe	94

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
1248	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
5060	a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe
5060	a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe
5060	a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe
5060	a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe
4188	a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe
4188	a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5060	a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe
Token: SeDebugPrivilege	4188	a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5060 wrote to memory of 1248	5060	a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe	92
PID 5060 wrote to memory of 1248	5060	a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe	92
PID 5060 wrote to memory of 1248	5060	a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe	92
PID 5060 wrote to memory of 4188	5060	a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe	94
PID 5060 wrote to memory of 4188	5060	a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe	94
PID 5060 wrote to memory of 4188	5060	a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe	94
PID 5060 wrote to memory of 4188	5060	a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe	94
PID 5060 wrote to memory of 4188	5060	a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe	94
PID 5060 wrote to memory of 4188	5060	a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe	94
PID 5060 wrote to memory of 4188	5060	a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe	94
PID 5060 wrote to memory of 4188	5060	a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5060
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TFeBUKEmAOeBdQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp422.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1248
- C:\Users\Admin\AppData\Local\Temp\a6aeff5b872702a8554063d812d895d6_JaffaCakes118.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4188

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp422.tmp

Filesize
1KB

MD5
9e4a872d6b35881417802ccc1d3eb327

SHA1
19ab13de9f48896ac34b92e39d171df35884f239

SHA256
8c06105bfae570811b6dc5b72fdbda68b8bb9703ea9a8848e6ceb61b0ce3539d

SHA512
3e0d6497236877c5bd7ef4e02cbecd202d6390741cb8ea10cf12a404c5d15e00d9437f1d195fb77885f7680d10e9fcbbe35e079ae3b345e1d16f490c54c15ad4

Download Submit
memory/4188-13-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/4188-17-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/4188-16-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/4188-15-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/4188-14-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/4188-8-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/4188-10-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/4188-12-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/5060-3-0x0000000074972000-0x0000000074973000-memory.dmp

Filesize
4KB

Download
memory/5060-11-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/5060-4-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/5060-0-0x0000000074972000-0x0000000074973000-memory.dmp

Filesize
4KB

Download
memory/5060-2-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/5060-1-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads