agenttesla | 5619683e46e49a0feb993274b8a7df995a13deea29aa6ed90bebcd0c8e2c1662

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
13-05-2024 12:15

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General

Target

Frndsbo.exe
Size

4.3MB
MD5

6880cc8bf81c3473007941e8fb6a78b9
SHA1

9b964817a55cfb04e7d0eeb5b8f654c6f0bce721
SHA256

097690ad443551d8f9452a7377898e00941d46905aa7434fc0639f76baa77e84
SHA512

abaa8df0d6ddb221fbe9960bb248de599a839f431befdc88d913e78a0b2c31336ba73b7ab72fb6bf5fd58a1f38c0ce6f0d6b1f24af7bb4eb8d835dd128318bc8
SSDEEP

24576:V2nU3nenLyl6VzMex4hI5uv2Zf0+n5HugDTzpwnWbq0y+3HJEzGTMOmIvYa:

Score

10^/10

agenttesla zgrat keylogger rat spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sturmsgroup.com
Port:
587
Username:
[email protected]
Password:
$(bQkIn8%O#z)bWw
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 34 IoCs

resource	yara_rule
behavioral1/memory/3052-2-0x0000000005F70000-0x00000000061A0000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-3-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-10-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-4-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-6-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-8-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-12-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-14-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-16-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-18-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-20-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-22-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-24-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-28-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-26-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-30-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-32-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-34-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-36-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-38-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-40-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-42-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-46-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-48-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-50-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-44-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-52-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-54-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-56-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-58-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-60-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-62-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-66-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1
behavioral1/memory/3052-64-0x0000000005F70000-0x000000000619B000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
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

Looks up external IP address via web service 1 IoCs

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

flow	ioc
2	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3052 set thread context of 2652	3052	Frndsbo.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2652	Frndsbo.exe
2652	Frndsbo.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3052	Frndsbo.exe
Token: SeDebugPrivilege	3052	Frndsbo.exe
Token: SeDebugPrivilege	2652	Frndsbo.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 2652	3052	Frndsbo.exe	28
PID 3052 wrote to memory of 2652	3052	Frndsbo.exe	28
PID 3052 wrote to memory of 2652	3052	Frndsbo.exe	28
PID 3052 wrote to memory of 2652	3052	Frndsbo.exe	28
PID 3052 wrote to memory of 2652	3052	Frndsbo.exe	28
PID 3052 wrote to memory of 2652	3052	Frndsbo.exe	28
PID 3052 wrote to memory of 2652	3052	Frndsbo.exe	28
PID 3052 wrote to memory of 2652	3052	Frndsbo.exe	28
PID 3052 wrote to memory of 2652	3052	Frndsbo.exe	28

C:\Users\Admin\AppData\Local\Temp\Frndsbo.exe
"C:\Users\Admin\AppData\Local\Temp\Frndsbo.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Users\Admin\AppData\Local\Temp\Frndsbo.exe
  "C:\Users\Admin\AppData\Local\Temp\Frndsbo.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2652-4905-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2652-4907-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/2652-4906-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/2652-4904-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/3052-40-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-18-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-50-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-8-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-12-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-14-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-16-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-48-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-20-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-22-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-24-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-28-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-46-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-30-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-32-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-34-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-36-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-38-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-0-0x0000000073EFE000-0x0000000073EFF000-memory.dmp

Filesize
4KB

Download
memory/3052-42-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-26-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-4-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-6-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-44-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-52-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-54-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-56-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-58-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-60-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-62-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-66-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-64-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-4884-0x00000000006C0000-0x000000000070C000-memory.dmp

Filesize
304KB

Download
memory/3052-4883-0x0000000000600000-0x000000000066C000-memory.dmp

Filesize
432KB

Download
memory/3052-4886-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/3052-4885-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/3052-4887-0x0000000000B70000-0x0000000000BC4000-memory.dmp

Filesize
336KB

Download
memory/3052-4903-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/3052-10-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-3-0x0000000005F70000-0x000000000619B000-memory.dmp

Filesize
2.2MB

Download
memory/3052-2-0x0000000005F70000-0x00000000061A0000-memory.dmp

Filesize
2.2MB

Download
memory/3052-1-0x0000000001150000-0x00000000015AC000-memory.dmp

Filesize
4.4MB

Download