agenttesla | 98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
08-05-2024 07:37

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General

Target

ryNbjqznxgwb.exe
Size

2.3MB
MD5

6cdb9b3646fbefc111393b9e6834ee90
SHA1

dca4d194ae5a0cf8b3a5e556d01a893d4855057d
SHA256

98d34263254e4b691f6263c8d58981cbca971497c1d2504ffb2d8e55c857d28c
SHA512

fa6b79328402a57f431afcf8b546e0264460e809f2fd490532c027890fb775924d0a6121e7faa687ac55242ae4c9764f36b496a8f336ec2b52dd57c37bd8596b
SSDEEP

49152:Dz83C0oao0ONh96WVunTgieqN9xBaxwNk1Ysm:P6C0a0y9rVuUFyRaxWGYr

Score

10^/10

agenttesla purelogstealer zgrat keylogger rat spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.gencoldfire.com
Port:
587
Username:
[email protected]
Password:
U+&%W@y1mSEUOinP
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/2328-4-0x0000000005260000-0x0000000005492000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-5-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-6-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-20-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-26-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-32-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-36-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-40-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-46-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-50-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-54-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-60-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-68-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-66-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-64-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-62-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-58-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-56-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-52-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-48-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-44-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-42-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-38-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-34-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-30-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-28-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-22-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-18-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-16-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-14-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-12-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-10-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-8-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1
behavioral1/memory/2328-24-0x0000000005260000-0x000000000548C000-memory.dmp	family_zgrat_v1

PureLog Stealer
PureLog Stealer is an infostealer written in C#.
stealer purelogstealer

PureLog Stealer payload 1 IoCs

resource	yara_rule
behavioral1/memory/2328-1-0x0000000000A50000-0x0000000000C98000-memory.dmp	family_purelog_stealer

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
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2328 set thread context of 2560	2328	ryNbjqznxgwb.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2560	ryNbjqznxgwb.exe
2560	ryNbjqznxgwb.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2328	ryNbjqznxgwb.exe
Token: SeDebugPrivilege	2328	ryNbjqznxgwb.exe
Token: SeDebugPrivilege	2560	ryNbjqznxgwb.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2560	2328	ryNbjqznxgwb.exe	28
PID 2328 wrote to memory of 2560	2328	ryNbjqznxgwb.exe	28
PID 2328 wrote to memory of 2560	2328	ryNbjqznxgwb.exe	28
PID 2328 wrote to memory of 2560	2328	ryNbjqznxgwb.exe	28
PID 2328 wrote to memory of 2560	2328	ryNbjqznxgwb.exe	28
PID 2328 wrote to memory of 2560	2328	ryNbjqznxgwb.exe	28
PID 2328 wrote to memory of 2560	2328	ryNbjqznxgwb.exe	28
PID 2328 wrote to memory of 2560	2328	ryNbjqznxgwb.exe	28
PID 2328 wrote to memory of 2560	2328	ryNbjqznxgwb.exe	28

C:\Users\Admin\AppData\Local\Temp\ryNbjqznxgwb.exe
"C:\Users\Admin\AppData\Local\Temp\ryNbjqznxgwb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Users\Admin\AppData\Local\Temp\ryNbjqznxgwb.exe
  "C:\Users\Admin\AppData\Local\Temp\ryNbjqznxgwb.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2560

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/2328-0-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/2328-1-0x0000000000A50000-0x0000000000C98000-memory.dmp

Filesize
2.3MB

Download
memory/2328-2-0x0000000074740000-0x0000000074E2E000-memory.dmp

Filesize
6.9MB

Download
memory/2328-3-0x0000000005030000-0x0000000005262000-memory.dmp

Filesize
2.2MB

Download
memory/2328-4-0x0000000005260000-0x0000000005492000-memory.dmp

Filesize
2.2MB

Download
memory/2328-5-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-6-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-20-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-26-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-32-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-36-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-40-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-46-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-50-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-54-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-60-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-68-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-66-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-64-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-62-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-58-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-56-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-52-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-48-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-44-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-42-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-38-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-34-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-30-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-28-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-22-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-18-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-16-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-14-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-12-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-10-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-8-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-24-0x0000000005260000-0x000000000548C000-memory.dmp

Filesize
2.2MB

Download
memory/2328-4885-0x0000000074740000-0x0000000074E2E000-memory.dmp

Filesize
6.9MB

Download
memory/2328-4887-0x0000000004CC0000-0x0000000004D0C000-memory.dmp

Filesize
304KB

Download
memory/2328-4886-0x00000000023C0000-0x000000000242C000-memory.dmp

Filesize
432KB

Download
memory/2328-4888-0x0000000004E50000-0x0000000004EA4000-memory.dmp

Filesize
336KB

Download
memory/2328-4904-0x0000000074740000-0x0000000074E2E000-memory.dmp

Filesize
6.9MB

Download
memory/2560-4905-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2560-4906-0x0000000074740000-0x0000000074E2E000-memory.dmp

Filesize
6.9MB

Download
memory/2560-4907-0x0000000074740000-0x0000000074E2E000-memory.dmp

Filesize
6.9MB

Download
memory/2560-4908-0x0000000074740000-0x0000000074E2E000-memory.dmp

Filesize
6.9MB

Download