agenttesla | 447e51ac0d863eef5544c8a808743f24eeac45f0c889f61a21429904fc0f76b0

General

Target

03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe
Size

471KB
MD5

03ea7c53e7ec3493b95d001834757070
SHA1

b4e33a1015191357b619e83687fa1c3beb25e0bc
SHA256

447e51ac0d863eef5544c8a808743f24eeac45f0c889f61a21429904fc0f76b0
SHA512

6589ecf058e7a4369b9d1ae7cd98692146ec16ea6623b37bf5a2fc81d4b81c432e47aa65e12376a193f57bf7b1c3fe3733988a88b15d075c007c7cf5a183d490
SSDEEP

12288:bfKHS/FeVDK/CT2WSvfv8w9A+2hzEmM8UVoaIegU:V/FeqCqWS3v8UZ5phd

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:
amblessed22

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/3336-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	03ea7c53e7ec3493b95d001834757070_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	03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1956 set thread context of 3336	1956	03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe	101

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1956	03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe
1956	03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe
3336	03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe
3336	03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1956	03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe
Token: SeDebugPrivilege	3336	03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3336	03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 4600	1956	03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe	100
PID 1956 wrote to memory of 4600	1956	03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe	100
PID 1956 wrote to memory of 4600	1956	03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe	100
PID 1956 wrote to memory of 3336	1956	03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe	101
PID 1956 wrote to memory of 3336	1956	03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe	101
PID 1956 wrote to memory of 3336	1956	03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe	101
PID 1956 wrote to memory of 3336	1956	03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe	101
PID 1956 wrote to memory of 3336	1956	03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe	101
PID 1956 wrote to memory of 3336	1956	03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe	101
PID 1956 wrote to memory of 3336	1956	03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe	101
PID 1956 wrote to memory of 3336	1956	03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe	101

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	03ea7c53e7ec3493b95d001834757070_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	03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Users\Admin\AppData\Local\Temp\03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe"
  2⤵
  PID:4600
- C:\Users\Admin\AppData\Local\Temp\03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\03ea7c53e7ec3493b95d001834757070_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:3336

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=1340 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
1⤵
PID:3516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

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_v4.0_32\UsageLogs\03ea7c53e7ec3493b95d001834757070_JaffaCakes118.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
memory/1956-12-0x0000000006380000-0x00000000063BE000-memory.dmp

Filesize
248KB

Download
memory/1956-9-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/1956-3-0x0000000005870000-0x0000000005E14000-memory.dmp

Filesize
5.6MB

Download
memory/1956-4-0x00000000052C0000-0x0000000005352000-memory.dmp

Filesize
584KB

Download
memory/1956-5-0x0000000005170000-0x0000000005180000-memory.dmp

Filesize
64KB

Download
memory/1956-6-0x0000000005200000-0x000000000520A000-memory.dmp

Filesize
40KB

Download
memory/1956-7-0x0000000005510000-0x0000000005566000-memory.dmp

Filesize
344KB

Download
memory/1956-17-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/1956-0-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/1956-10-0x0000000005170000-0x0000000005180000-memory.dmp

Filesize
64KB

Download
memory/1956-2-0x0000000005220000-0x00000000052BC000-memory.dmp

Filesize
624KB

Download
memory/1956-11-0x0000000006320000-0x000000000637E000-memory.dmp

Filesize
376KB

Download
memory/1956-8-0x00000000054F0000-0x00000000054F8000-memory.dmp

Filesize
32KB

Download
memory/1956-1-0x00000000007D0000-0x000000000084C000-memory.dmp

Filesize
496KB

Download
memory/3336-16-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/3336-18-0x00000000056B0000-0x00000000056C0000-memory.dmp

Filesize
64KB

Download
memory/3336-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3336-19-0x0000000005A50000-0x0000000005A68000-memory.dmp

Filesize
96KB

Download
memory/3336-20-0x00000000064F0000-0x0000000006556000-memory.dmp

Filesize
408KB

Download
memory/3336-21-0x00000000752D0000-0x0000000075A80000-memory.dmp

Filesize
7.7MB

Download
memory/3336-22-0x00000000056B0000-0x00000000056C0000-memory.dmp

Filesize
64KB

Download
memory/3336-23-0x0000000006760000-0x00000000067B0000-memory.dmp

Filesize
320KB

Download
memory/3336-24-0x00000000056B0000-0x00000000056C0000-memory.dmp

Filesize
64KB

Download

Analysis

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