agenttesla | 50e845d9eb8b8a08f77da69556c94958265cb875129a41177c60094b71434e9a

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
15-05-2024 14:38

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General

Target

RFQ10675000162.exe
Size

4.6MB
MD5

bdac6ecf5c7f3ae57414eb01e643f96b
SHA1

a931d7d7b4471c39e37c14369373aa0bc4d5ad2e
SHA256

50e845d9eb8b8a08f77da69556c94958265cb875129a41177c60094b71434e9a
SHA512

9a021ae8bf9bb33a7055224bc50a7206bc16fc2358299b52b31837c106195eec4c1695260307a7a95c919d3fd9cb21c28112ed3c9f9c51490191ee0b4159a27e
SSDEEP

24576:0s99lUjIm5M193TxVmMJIquuX/GQl04NCYIHesng/pMqRG+5LF2DfE8z4jJsP+i4:b

Score

10^/10

agenttesla zgrat keylogger persistence rat spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
66.29.151.236
Port:
587
Username:
[email protected]
Password:
d9GOyTceXsMT
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

Processes:

resource	yara_rule
behavioral1/memory/2180-2-0x00000000061B0000-0x00000000063E0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-3-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-4-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-6-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-10-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-8-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-12-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-18-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-20-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-16-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-14-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-22-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-24-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-28-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-50-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-56-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-66-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-64-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-62-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-60-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-58-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-54-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-52-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-48-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-46-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-44-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-42-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-40-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-38-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-36-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-34-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-32-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-30-0x00000000061B0000-0x00000000063DA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2180-26-0x00000000061B0000-0x00000000063DA000-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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RFQ10675000162.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\oouvef = "C:\\Users\\Admin\\AppData\\Roaming\\oouvef.exe"	RFQ10675000162.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

2 api.ipify.org
3 api.ipify.org
4 ip-api.com
Suspicious use of SetThreadContext 1 IoCs

Processes:

RFQ10675000162.exe

description pid process target process

PID 2180 set thread context of 1596 2180 RFQ10675000162.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

1596 RegAsm.exe
1596 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

RFQ10675000162.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 2180 RFQ10675000162.exe
Token: SeDebugPrivilege 2180 RFQ10675000162.exe
Token: SeDebugPrivilege 1596 RegAsm.exe

flow	ioc
2	api.ipify.org
3	api.ipify.org
4	ip-api.com

description	pid	process	target process
PID 2180 set thread context of 1596	2180	RFQ10675000162.exe	RegAsm.exe

pid	process
1596	RegAsm.exe
1596	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2180	RFQ10675000162.exe
Token: SeDebugPrivilege	2180	RFQ10675000162.exe
Token: SeDebugPrivilege	1596	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

RFQ10675000162.exe

description	pid	process	target process
PID 2180 wrote to memory of 1596	2180	RFQ10675000162.exe	RegAsm.exe
PID 2180 wrote to memory of 1596	2180	RFQ10675000162.exe	RegAsm.exe
PID 2180 wrote to memory of 1596	2180	RFQ10675000162.exe	RegAsm.exe
PID 2180 wrote to memory of 1596	2180	RFQ10675000162.exe	RegAsm.exe
PID 2180 wrote to memory of 1596	2180	RFQ10675000162.exe	RegAsm.exe
PID 2180 wrote to memory of 1596	2180	RFQ10675000162.exe	RegAsm.exe
PID 2180 wrote to memory of 1596	2180	RFQ10675000162.exe	RegAsm.exe
PID 2180 wrote to memory of 1596	2180	RFQ10675000162.exe	RegAsm.exe
PID 2180 wrote to memory of 1596	2180	RFQ10675000162.exe	RegAsm.exe
PID 2180 wrote to memory of 1596	2180	RFQ10675000162.exe	RegAsm.exe
PID 2180 wrote to memory of 1596	2180	RFQ10675000162.exe	RegAsm.exe
PID 2180 wrote to memory of 1596	2180	RFQ10675000162.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\RFQ10675000162.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ10675000162.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2180

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1596

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1596-4903-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2180-62-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-12-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-54-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-4-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-6-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-10-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-8-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-58-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-18-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-20-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-16-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-14-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-60-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-24-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-28-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-50-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-56-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-66-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-64-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-0-0x00000000746DE000-0x00000000746DF000-memory.dmp

Filesize
4KB

Download
memory/2180-22-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-2-0x00000000061B0000-0x00000000063E0000-memory.dmp

Filesize
2.2MB

Download
memory/2180-3-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-52-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-48-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-46-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-44-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-4884-0x00000000022F0000-0x000000000233C000-memory.dmp

Filesize
304KB

Download
memory/2180-4883-0x00000000023D0000-0x000000000243C000-memory.dmp

Filesize
432KB

Download
memory/2180-42-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-40-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-4886-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download
memory/2180-4885-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download
memory/2180-38-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-4887-0x0000000002510000-0x0000000002564000-memory.dmp

Filesize
336KB

Download
memory/2180-36-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-34-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-32-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-30-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-26-0x00000000061B0000-0x00000000063DA000-memory.dmp

Filesize
2.2MB

Download
memory/2180-4902-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Filesize
6.9MB

Download
memory/2180-1-0x00000000008B0000-0x0000000000D54000-memory.dmp

Filesize
4.6MB

Download