agenttesla | a159bd480f79fa31be7221debd26ef015e4ad69efed117d9b2892554c73f57f0

General

Target

94908526.exe
Size

589KB
MD5

356822a07569942ea8b5a2b092b3a70a
SHA1

bb058bf7944951ae73f5dc8eb3487f2ad0928334
SHA256

a159bd480f79fa31be7221debd26ef015e4ad69efed117d9b2892554c73f57f0
SHA512

4a29883712247a0839cbbdb37cf3cb6292ee37dfe95efa529dbcbee90e112c6c537afce90a3f23f8b35baa6b5dbf0b730c047ca0f1a8074ccc0f6d6e4e82950d
SSDEEP

12288:c7HbI+4WpAEYy7q0p6RdA6ZMFmMDYE49ZUI045J8cFyzm86TM4FG+:WpAE1oRdA6ZMFLo9ZUI04L8ZNk

Score

10^/10

agenttesla zgrat collection keylogger rat spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mbarieservicesltd.com
Port:
587
Username:
[email protected]
Password:
*o9H+18Q4%;M
Email To:
[email protected]

Signatures

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

Detect ZGRat V1 1 IoCs

resource	yara_rule
behavioral2/memory/4596-6-0x00000000058D0000-0x00000000058E8000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
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-1-5-21-1791582586-1997866593-3795608343-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	94908526.exe
Key opened	\REGISTRY\USER\S-1-5-21-1791582586-1997866593-3795608343-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	94908526.exe
Key opened	\REGISTRY\USER\S-1-5-21-1791582586-1997866593-3795608343-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	94908526.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4596 set thread context of 3868	4596	94908526.exe	88

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3868	94908526.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4596 wrote to memory of 3868	4596	94908526.exe	88
PID 4596 wrote to memory of 3868	4596	94908526.exe	88
PID 4596 wrote to memory of 3868	4596	94908526.exe	88
PID 4596 wrote to memory of 3868	4596	94908526.exe	88
PID 4596 wrote to memory of 3868	4596	94908526.exe	88
PID 4596 wrote to memory of 3868	4596	94908526.exe	88
PID 4596 wrote to memory of 3868	4596	94908526.exe	88
PID 4596 wrote to memory of 3868	4596	94908526.exe	88

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1791582586-1997866593-3795608343-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	94908526.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1791582586-1997866593-3795608343-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	94908526.exe

C:\Users\Admin\AppData\Local\Temp\94908526.exe
"C:\Users\Admin\AppData\Local\Temp\94908526.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4596
- C:\Users\Admin\AppData\Local\Temp\94908526.exe
  "C:\Users\Admin\AppData\Local\Temp\94908526.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

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\94908526.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/3868-21-0x0000000005120000-0x0000000005130000-memory.dmp

Filesize
64KB

Download
memory/3868-20-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/3868-19-0x0000000006730000-0x00000000068F2000-memory.dmp

Filesize
1.8MB

Download
memory/3868-18-0x0000000006510000-0x0000000006560000-memory.dmp

Filesize
320KB

Download
memory/3868-15-0x00000000051A0000-0x0000000005206000-memory.dmp

Filesize
408KB

Download
memory/3868-17-0x0000000005120000-0x0000000005130000-memory.dmp

Filesize
64KB

Download
memory/3868-14-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/3868-11-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4596-10-0x000000000C700000-0x000000000C79C000-memory.dmp

Filesize
624KB

Download
memory/4596-0-0x0000000000A40000-0x0000000000AD8000-memory.dmp

Filesize
608KB

Download
memory/4596-9-0x0000000004F30000-0x0000000004F98000-memory.dmp

Filesize
416KB

Download
memory/4596-8-0x00000000093E0000-0x00000000093EA000-memory.dmp

Filesize
40KB

Download
memory/4596-7-0x00000000093D0000-0x00000000093D8000-memory.dmp

Filesize
32KB

Download
memory/4596-6-0x00000000058D0000-0x00000000058E8000-memory.dmp

Filesize
96KB

Download
memory/4596-16-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download
memory/4596-5-0x0000000005650000-0x000000000565A000-memory.dmp

Filesize
40KB

Download
memory/4596-4-0x0000000005730000-0x0000000005740000-memory.dmp

Filesize
64KB

Download
memory/4596-3-0x0000000005550000-0x00000000055E2000-memory.dmp

Filesize
584KB

Download
memory/4596-2-0x0000000005B00000-0x00000000060A4000-memory.dmp

Filesize
5.6MB

Download
memory/4596-1-0x0000000075180000-0x0000000075930000-memory.dmp

Filesize
7.7MB

Download

Analysis

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