agenttesla | ee18de715339b3be79855afe9216b6690afbd7d38e1167e16bff31e97e3d1e21

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06-05-2024 23:08

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General

Target

Purchase Order No- 2300167.img.exe
Size

2.3MB
MD5

a8b1a4a2b64e40399bca04f35c584674
SHA1

22b2103609c8f876362f212f553aac4be83ea2ba
SHA256

ee18de715339b3be79855afe9216b6690afbd7d38e1167e16bff31e97e3d1e21
SHA512

d321d1d5ffb6d34bd0cfeb52cd490db07614268c5968257e37e3ddf202ed29bcad649eab7913700e4711cda2e310356a2053c6151dc600895f3341727eb157e1
SSDEEP

49152:MWex7ilL5ajr4GL0voJ5kna+2Qr5h5mklXHB6JrSpTCT:Mn7GojrtL0vg5czh5LOJyTCT

Score

10^/10

agenttesla purelogstealer zgrat keylogger persistence rat spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.id-net.fr
Port:
587
Username:
[email protected]
Password:
zhi33
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/2820-4-0x0000000005350000-0x0000000005580000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-5-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-12-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-10-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-14-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-8-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-6-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-16-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-18-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-20-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-22-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-24-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-26-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-28-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-30-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-32-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-34-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-36-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-38-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-40-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-42-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-44-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-46-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-48-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-50-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-52-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-54-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-56-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-58-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-62-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-60-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-64-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-66-0x0000000005350000-0x000000000557B000-memory.dmp	family_zgrat_v1
behavioral1/memory/2820-68-0x0000000005350000-0x000000000557B000-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/2820-1-0x0000000000060000-0x00000000002A6000-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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\MvQHOaQ = "C:\\Users\\Admin\\AppData\\Roaming\\MvQHOaQ\\MvQHOaQ.exe"	RegAsm.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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2820 set thread context of 3144	2820	Purchase Order No- 2300167.img.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3144	RegAsm.exe
3144	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2820	Purchase Order No- 2300167.img.exe
Token: SeDebugPrivilege	2820	Purchase Order No- 2300167.img.exe
Token: SeDebugPrivilege	3144	RegAsm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3144	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 3144	2820	Purchase Order No- 2300167.img.exe	28
PID 2820 wrote to memory of 3144	2820	Purchase Order No- 2300167.img.exe	28
PID 2820 wrote to memory of 3144	2820	Purchase Order No- 2300167.img.exe	28
PID 2820 wrote to memory of 3144	2820	Purchase Order No- 2300167.img.exe	28
PID 2820 wrote to memory of 3144	2820	Purchase Order No- 2300167.img.exe	28
PID 2820 wrote to memory of 3144	2820	Purchase Order No- 2300167.img.exe	28
PID 2820 wrote to memory of 3144	2820	Purchase Order No- 2300167.img.exe	28
PID 2820 wrote to memory of 3144	2820	Purchase Order No- 2300167.img.exe	28
PID 2820 wrote to memory of 3144	2820	Purchase Order No- 2300167.img.exe	28
PID 2820 wrote to memory of 3144	2820	Purchase Order No- 2300167.img.exe	28
PID 2820 wrote to memory of 3144	2820	Purchase Order No- 2300167.img.exe	28
PID 2820 wrote to memory of 3144	2820	Purchase Order No- 2300167.img.exe	28

C:\Users\Admin\AppData\Local\Temp\Purchase Order No- 2300167.img.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order No- 2300167.img.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2820
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3144

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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/2820-0-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/2820-1-0x0000000000060000-0x00000000002A6000-memory.dmp

Filesize
2.3MB

Download
memory/2820-3-0x0000000005120000-0x0000000005352000-memory.dmp

Filesize
2.2MB

Download
memory/2820-2-0x0000000074B10000-0x00000000751FE000-memory.dmp

Filesize
6.9MB

Download
memory/2820-4-0x0000000005350000-0x0000000005580000-memory.dmp

Filesize
2.2MB

Download
memory/2820-5-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-12-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-10-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-14-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-8-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-6-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-16-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-18-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-20-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-22-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-24-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-26-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-28-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-30-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-32-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-34-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-36-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-38-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-40-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-42-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-44-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-46-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-48-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-50-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-52-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-54-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-56-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-58-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-62-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-60-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-64-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-66-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-68-0x0000000005350000-0x000000000557B000-memory.dmp

Filesize
2.2MB

Download
memory/2820-4886-0x0000000002230000-0x000000000227C000-memory.dmp

Filesize
304KB

Download
memory/2820-4885-0x0000000004580000-0x00000000045EC000-memory.dmp

Filesize
432KB

Download
memory/2820-4887-0x00000000049F0000-0x0000000004A44000-memory.dmp

Filesize
336KB

Download
memory/2820-4899-0x0000000074B10000-0x00000000751FE000-memory.dmp

Filesize
6.9MB

Download
memory/3144-4900-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download