agenttesla | 277848fe676c925becc15a494855ccbc42ee8e2e88cf61144d7de703c82250a0

General

Target

fa282dee9e966a6825b44364814acded_JaffaCakes118.exe
Size

386KB
MD5

fa282dee9e966a6825b44364814acded
SHA1

e40aeece36c56cc919bea095e7285c2fc6c5b3bc
SHA256

277848fe676c925becc15a494855ccbc42ee8e2e88cf61144d7de703c82250a0
SHA512

19587287b0d693b8fad7472a9833bcca358e3a3919e347ee60bf324553301cdde4238bcbf2b386da3302814cf0521b87afcbcd8b4daed5c82db04a56755de46e
SSDEEP

12288:lxTYniDLCjsAppQQGPAVN4SFYlNjadmhPV:lxTYnELCjsApfGPAVZqN1dV

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.usamilitarydept.com
Port:
587
Username:
[email protected]
Password:
w($dIvA0

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/2924-15-0x0000000000400000-0x000000000043C000-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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation	fa282dee9e966a6825b44364814acded_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 3 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

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fa282dee9e966a6825b44364814acded_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fa282dee9e966a6825b44364814acded_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fa282dee9e966a6825b44364814acded_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1860 set thread context of 2924	1860	fa282dee9e966a6825b44364814acded_JaffaCakes118.exe	99

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	fa282dee9e966a6825b44364814acded_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fa282dee9e966a6825b44364814acded_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
3536	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1860	fa282dee9e966a6825b44364814acded_JaffaCakes118.exe
1860	fa282dee9e966a6825b44364814acded_JaffaCakes118.exe
1860	fa282dee9e966a6825b44364814acded_JaffaCakes118.exe
2924	fa282dee9e966a6825b44364814acded_JaffaCakes118.exe
2924	fa282dee9e966a6825b44364814acded_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1860	fa282dee9e966a6825b44364814acded_JaffaCakes118.exe
Token: SeDebugPrivilege	2924	fa282dee9e966a6825b44364814acded_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2924	fa282dee9e966a6825b44364814acded_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 3536	1860	fa282dee9e966a6825b44364814acded_JaffaCakes118.exe	97
PID 1860 wrote to memory of 3536	1860	fa282dee9e966a6825b44364814acded_JaffaCakes118.exe	97
PID 1860 wrote to memory of 3536	1860	fa282dee9e966a6825b44364814acded_JaffaCakes118.exe	97
PID 1860 wrote to memory of 2924	1860	fa282dee9e966a6825b44364814acded_JaffaCakes118.exe	99
PID 1860 wrote to memory of 2924	1860	fa282dee9e966a6825b44364814acded_JaffaCakes118.exe	99
PID 1860 wrote to memory of 2924	1860	fa282dee9e966a6825b44364814acded_JaffaCakes118.exe	99
PID 1860 wrote to memory of 2924	1860	fa282dee9e966a6825b44364814acded_JaffaCakes118.exe	99
PID 1860 wrote to memory of 2924	1860	fa282dee9e966a6825b44364814acded_JaffaCakes118.exe	99
PID 1860 wrote to memory of 2924	1860	fa282dee9e966a6825b44364814acded_JaffaCakes118.exe	99
PID 1860 wrote to memory of 2924	1860	fa282dee9e966a6825b44364814acded_JaffaCakes118.exe	99
PID 1860 wrote to memory of 2924	1860	fa282dee9e966a6825b44364814acded_JaffaCakes118.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fa282dee9e966a6825b44364814acded_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fa282dee9e966a6825b44364814acded_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\fa282dee9e966a6825b44364814acded_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fa282dee9e966a6825b44364814acded_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1860
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iejZDvQv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1F99.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3536
- C:\Users\Admin\AppData\Local\Temp\fa282dee9e966a6825b44364814acded_JaffaCakes118.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2924

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\fa282dee9e966a6825b44364814acded_JaffaCakes118.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1F99.tmp

Filesize
1KB

MD5
c74e763be4fafe4536891b228ba3546a

SHA1
340085dbdd756d7ab49ff9e6bb5d0a64c5e080e8

SHA256
2ad5467c7e13200c30536d0aca70b3a7ff5f1b169f30fe8cf9531d45ef6941b3

SHA512
b6945e5bf1b24e2bb5960985764dccbcec456dfae76e0a9c03134f09130062c293869ba2512f1596bed32eafb3d1e15c5080d1ea4adf8a3d308ce739207c1161

Download Submit
memory/1860-6-0x0000000006640000-0x00000000066DC000-memory.dmp

Filesize
624KB

Download
memory/1860-19-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/1860-2-0x0000000005580000-0x0000000005B24000-memory.dmp

Filesize
5.6MB

Download
memory/1860-5-0x0000000004FD0000-0x0000000004FDA000-memory.dmp

Filesize
40KB

Download
memory/1860-0-0x0000000074F6E000-0x0000000074F6F000-memory.dmp

Filesize
4KB

Download
memory/1860-7-0x00000000051D0000-0x00000000051DA000-memory.dmp

Filesize
40KB

Download
memory/1860-8-0x0000000074F6E000-0x0000000074F6F000-memory.dmp

Filesize
4KB

Download
memory/1860-9-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/1860-10-0x00000000066E0000-0x0000000006740000-memory.dmp

Filesize
384KB

Download
memory/1860-1-0x00000000004F0000-0x0000000000556000-memory.dmp

Filesize
408KB

Download
memory/1860-4-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/1860-3-0x0000000004EF0000-0x0000000004F82000-memory.dmp

Filesize
584KB

Download
memory/1860-11-0x0000000006460000-0x00000000064B2000-memory.dmp

Filesize
328KB

Download
memory/2924-27-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/2924-18-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/2924-20-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/2924-21-0x0000000005510000-0x0000000005528000-memory.dmp

Filesize
96KB

Download
memory/2924-22-0x0000000005EE0000-0x0000000005F46000-memory.dmp

Filesize
408KB

Download
memory/2924-23-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/2924-24-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/2924-25-0x0000000006290000-0x00000000062E0000-memory.dmp

Filesize
320KB

Download
memory/2924-26-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/2924-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads