agenttesla | 7ace65e8c9b2a4f79b1e29381e4f9885c6e45a96daf7cbad55cbdbe6cda329a6

General

Target

759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe
Size

404KB
MD5

759b49238cc787420a29ba23ac177aa7
SHA1

d873b72fc56c86cd4543bca5ae5ca0ee3046e9b3
SHA256

7ace65e8c9b2a4f79b1e29381e4f9885c6e45a96daf7cbad55cbdbe6cda329a6
SHA512

efb4d611e2b72b865c463c2363e99f1cc7c37b525c8360c9e8b073e40564eb3652388de833f4ed8ee733029a60a0a1f88fba2ef759e5f320b7559b617741d842
SSDEEP

6144:DtLiERQ+3HwOz37lwNcrJp79hVYYb7mZZ1To3bo2amQ4U0Lwh+SrMIt0:YESoPzJTjF+Vo386dUQw8

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.rapidmail.ec
Port:
587
Username:
[email protected]
Password:
icui4cu2@@
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 1 IoCs

resource	yara_rule
behavioral2/memory/3912-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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-1-5-21-701583114-2636601053-947405450-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 316 set thread context of 3912	316	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe	99

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	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
316	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe
316	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe
3912	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe
3912	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	316	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe
Token: SeDebugPrivilege	3912	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 316 wrote to memory of 1480	316	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe	98
PID 316 wrote to memory of 1480	316	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe	98
PID 316 wrote to memory of 1480	316	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe	98
PID 316 wrote to memory of 3912	316	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe	99
PID 316 wrote to memory of 3912	316	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe	99
PID 316 wrote to memory of 3912	316	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe	99
PID 316 wrote to memory of 3912	316	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe	99
PID 316 wrote to memory of 3912	316	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe	99
PID 316 wrote to memory of 3912	316	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe	99
PID 316 wrote to memory of 3912	316	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe	99
PID 316 wrote to memory of 3912	316	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\759b49238cc787420a29ba23ac177aa7_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:316
- C:\Users\Admin\AppData\Local\Temp\759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe"
  2⤵
  PID:1480
- C:\Users\Admin\AppData\Local\Temp\759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/316-10-0x0000000006940000-0x00000000069A0000-memory.dmp

Filesize
384KB

Download
memory/316-14-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/316-9-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/316-4-0x00000000051E0000-0x00000000051EA000-memory.dmp

Filesize
40KB

Download
memory/316-5-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/316-6-0x0000000006520000-0x00000000065BC000-memory.dmp

Filesize
624KB

Download
memory/316-7-0x0000000005780000-0x0000000005792000-memory.dmp

Filesize
72KB

Download
memory/316-8-0x000000007447E000-0x000000007447F000-memory.dmp

Filesize
4KB

Download
memory/316-3-0x0000000005220000-0x00000000052B2000-memory.dmp

Filesize
584KB

Download
memory/316-2-0x00000000057D0000-0x0000000005D74000-memory.dmp

Filesize
5.6MB

Download
memory/316-1-0x00000000007C0000-0x000000000082C000-memory.dmp

Filesize
432KB

Download
memory/316-0-0x000000007447E000-0x000000007447F000-memory.dmp

Filesize
4KB

Download
memory/3912-20-0x0000000006010000-0x0000000006060000-memory.dmp

Filesize
320KB

Download
memory/3912-15-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/3912-16-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/3912-17-0x0000000005180000-0x0000000005198000-memory.dmp

Filesize
96KB

Download
memory/3912-18-0x0000000005E50000-0x0000000005EB6000-memory.dmp

Filesize
408KB

Download
memory/3912-19-0x0000000074470000-0x0000000074C20000-memory.dmp

Filesize
7.7MB

Download
memory/3912-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

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