agenttesla | 5058d993163b6a49d2fa6b102c03da4217787bbb50026e84d111f85cf0241219

General

Target

5058d993163b6a49d2fa6b102c03da4217787bbb50026e84d111f85cf0241219.exe
Size

776KB
MD5

46610a28dcd9f71fbcdecf628c0142db
SHA1

d06bfec4542e700e48b8461dff345978ac271f87
SHA256

5058d993163b6a49d2fa6b102c03da4217787bbb50026e84d111f85cf0241219
SHA512

ddd743ad62f0e3e484497428c3414f35a0a2fdc4a61fd3e2f78860d244c9a697416493987636de0fac77eb12962261721fe6436c58cbaa22f81b74e10ce35d73
SSDEEP

24576:JgPLaVUH999oAUUiUQLGE8HfOua5PYA5UDp:sBH9bqGE8/Odwv

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5473903116:AAH0COryXTO6kCeNjQRiy6Z66WJsa9yts6c/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5058d993163b6a49d2fa6b102c03da4217787bbb50026e84d111f85cf0241219.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5058d993163b6a49d2fa6b102c03da4217787bbb50026e84d111f85cf0241219.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5058d993163b6a49d2fa6b102c03da4217787bbb50026e84d111f85cf0241219.exe

Looks up external IP address via web service 2 IoCs

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

flow	ioc
35	api.ipify.org
36	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1236 set thread context of 2424	1236	5058d993163b6a49d2fa6b102c03da4217787bbb50026e84d111f85cf0241219.exe	91

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3564	2424	WerFault.exe	91

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2424	5058d993163b6a49d2fa6b102c03da4217787bbb50026e84d111f85cf0241219.exe
2424	5058d993163b6a49d2fa6b102c03da4217787bbb50026e84d111f85cf0241219.exe
2424	5058d993163b6a49d2fa6b102c03da4217787bbb50026e84d111f85cf0241219.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2424	5058d993163b6a49d2fa6b102c03da4217787bbb50026e84d111f85cf0241219.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1236 wrote to memory of 2424	1236	5058d993163b6a49d2fa6b102c03da4217787bbb50026e84d111f85cf0241219.exe	91
PID 1236 wrote to memory of 2424	1236	5058d993163b6a49d2fa6b102c03da4217787bbb50026e84d111f85cf0241219.exe	91
PID 1236 wrote to memory of 2424	1236	5058d993163b6a49d2fa6b102c03da4217787bbb50026e84d111f85cf0241219.exe	91
PID 1236 wrote to memory of 2424	1236	5058d993163b6a49d2fa6b102c03da4217787bbb50026e84d111f85cf0241219.exe	91
PID 1236 wrote to memory of 2424	1236	5058d993163b6a49d2fa6b102c03da4217787bbb50026e84d111f85cf0241219.exe	91
PID 1236 wrote to memory of 2424	1236	5058d993163b6a49d2fa6b102c03da4217787bbb50026e84d111f85cf0241219.exe	91
PID 1236 wrote to memory of 2424	1236	5058d993163b6a49d2fa6b102c03da4217787bbb50026e84d111f85cf0241219.exe	91
PID 1236 wrote to memory of 2424	1236	5058d993163b6a49d2fa6b102c03da4217787bbb50026e84d111f85cf0241219.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5058d993163b6a49d2fa6b102c03da4217787bbb50026e84d111f85cf0241219.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	5058d993163b6a49d2fa6b102c03da4217787bbb50026e84d111f85cf0241219.exe

C:\Users\Admin\AppData\Local\Temp\5058d993163b6a49d2fa6b102c03da4217787bbb50026e84d111f85cf0241219.exe
"C:\Users\Admin\AppData\Local\Temp\5058d993163b6a49d2fa6b102c03da4217787bbb50026e84d111f85cf0241219.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Users\Admin\AppData\Local\Temp\5058d993163b6a49d2fa6b102c03da4217787bbb50026e84d111f85cf0241219.exe
  "C:\Users\Admin\AppData\Local\Temp\5058d993163b6a49d2fa6b102c03da4217787bbb50026e84d111f85cf0241219.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2424
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2424 -s 2184
    3⤵
    - Program crash
    PID:3564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 2424 -ip 2424
1⤵
PID:2256

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

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\5058d993163b6a49d2fa6b102c03da4217787bbb50026e84d111f85cf0241219.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1236-139-0x0000000007360000-0x00000000073FC000-memory.dmp

Filesize
624KB

Download
memory/1236-135-0x00000000056B0000-0x0000000005742000-memory.dmp

Filesize
584KB

Download
memory/1236-136-0x0000000005660000-0x000000000566A000-memory.dmp

Filesize
40KB

Download
memory/1236-137-0x0000000005910000-0x0000000005920000-memory.dmp

Filesize
64KB

Download
memory/1236-138-0x0000000005910000-0x0000000005920000-memory.dmp

Filesize
64KB

Download
memory/1236-133-0x0000000000BE0000-0x0000000000CA4000-memory.dmp

Filesize
784KB

Download
memory/1236-134-0x0000000005BC0000-0x0000000006164000-memory.dmp

Filesize
5.6MB

Download
memory/2424-140-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2424-143-0x0000000005510000-0x0000000005520000-memory.dmp

Filesize
64KB

Download
memory/2424-144-0x0000000006150000-0x00000000061B6000-memory.dmp

Filesize
408KB

Download
memory/2424-145-0x0000000005510000-0x0000000005520000-memory.dmp

Filesize
64KB

Download
memory/2424-146-0x0000000006C40000-0x0000000006C90000-memory.dmp

Filesize
320KB

Download

Analysis

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