agenttesla | b61c01986b22368ac8981d54811a6c7c1355b6e0f40c51b5ceba65229989d7a3

General

Target

Copia de pago.exe
Size

1.7MB
MD5

6d231b98f7bc3098fd9797c0e1d6744f
SHA1

ee54b5f53f5f9a8cdf7970a051b5b61bf33ce7aa
SHA256

b61c01986b22368ac8981d54811a6c7c1355b6e0f40c51b5ceba65229989d7a3
SHA512

1773cb371c399d04804eb8670529b5483c0c28e53bbe2dac870c937c63de76e76dec5076c83189e4adff26df548b807b2bb2794144a41c15368dcf2f9994b17e
SSDEEP

49152:DhaduXrt6WEHuWGP+llufXP4fthV0lJGseTp:Faw7t61Ot3H4ft34Js

Score

10^/10

agenttesla wshrat collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.waterchem.com.tr
Port:
587
Username:
[email protected]
Password:
,A26dsH,[D)x
Email To:
[email protected]

Extracted

Family

wshrat

C2

http://goods.camdvr.org:2888

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
WSHRAT
WSHRAT is a variant of Houdini worm and has vbs and js variants.
trojan wshrat

WSHRAT payload 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001313e-74.dat	family_wshrat

Blocklisted process makes network request 11 IoCs

flow	pid	Process
5	1280	wscript.exe
7	1280	wscript.exe
10	1280	wscript.exe
11	1280	wscript.exe
13	1280	wscript.exe
14	1280	wscript.exe
15	1280	wscript.exe
17	1280	wscript.exe
18	1280	wscript.exe
19	1280	wscript.exe
22	1280	wscript.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	nicon4.0origin.exe

Executes dropped EXE 1 IoCs

pid	Process
1552	nicon4.0origin.exe

Loads dropped DLL 1 IoCs

pid	Process
1280	wscript.exe

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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	nicon4.0origin.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	nicon4.0origin.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	nicon4.0origin.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\software\Wow6432Node\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MGosm = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\MGosm.vbs\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\MGosm = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\MGosm.vbs\""	wscript.exe

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 1660 set thread context of 852	1660	Copia de pago.exe	28

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1552	nicon4.0origin.exe
1552	nicon4.0origin.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1552	nicon4.0origin.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1552	nicon4.0origin.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 852	1660	Copia de pago.exe	28
PID 1660 wrote to memory of 852	1660	Copia de pago.exe	28
PID 1660 wrote to memory of 852	1660	Copia de pago.exe	28
PID 1660 wrote to memory of 852	1660	Copia de pago.exe	28
PID 1660 wrote to memory of 852	1660	Copia de pago.exe	28
PID 1660 wrote to memory of 852	1660	Copia de pago.exe	28
PID 1660 wrote to memory of 852	1660	Copia de pago.exe	28
PID 1660 wrote to memory of 852	1660	Copia de pago.exe	28
PID 1660 wrote to memory of 852	1660	Copia de pago.exe	28
PID 852 wrote to memory of 1280	852	Copia de pago.exe	29
PID 852 wrote to memory of 1280	852	Copia de pago.exe	29
PID 852 wrote to memory of 1280	852	Copia de pago.exe	29
PID 852 wrote to memory of 1280	852	Copia de pago.exe	29
PID 1280 wrote to memory of 1552	1280	wscript.exe	31
PID 1280 wrote to memory of 1552	1280	wscript.exe	31
PID 1280 wrote to memory of 1552	1280	wscript.exe	31
PID 1280 wrote to memory of 1552	1280	wscript.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	nicon4.0origin.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	nicon4.0origin.exe

C:\Users\Admin\AppData\Local\Temp\Copia de pago.exe
"C:\Users\Admin\AppData\Local\Temp\Copia de pago.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Users\Admin\AppData\Local\Temp\Copia de pago.exe
  "C:\Users\Admin\AppData\Local\Temp\Copia de pago.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:852
- - C:\Windows\SysWOW64\wscript.exe
    "C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Roaming\MGosm.vbs"
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:1280
  - - C:\Users\Admin\AppData\Roaming\nicon4.0origin.exe
      "C:\Users\Admin\AppData\Roaming\nicon4.0origin.exe"
      4⤵
      Drops file in Drivers directory
      Executes dropped EXE
      Accesses Microsoft Outlook profiles
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      outlook_office_path
      outlook_win_path
      PID:1552

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

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\Roaming\MGosm.vbs

Filesize
461KB

MD5
42bc41987e5e104aafa3570d52cd4b0c

SHA1
5e4f3309ef9155827e8063a0f28efc30400d64d7

SHA256
1355642926463f9b14c8b40fcafeed3f1dec0c771692ec7fdb76c0e1976d8f58

SHA512
60a2cb5608d95206f50a6f57ddd8e6c2a69b7cab61fb031b8cdc1b87be2c98e4b27540ff4dcf1d0e46bad335570c55b13491a408e3f6d668ab937a6a3e2af22d

Download Submit
C:\Users\Admin\AppData\Roaming\nicon4.0origin.exe

Filesize
211KB

MD5
993c330b4f0e94b46664f2f0bf3309c2

SHA1
39927969b78ab13d5fe3a3888145204a1e13afd8

SHA256
6aba8a03fd93b96c073cfc3cd2801926f9a6f25bc2afb95a686237e6900a184e

SHA512
a0c38f039d21bda0a800b5453d3e96bc5e8ef0b9bdc4756756b426de866f288e5dd25ea449faf48e61c535a9b0942993467976d350da37f0f55f9af9828af186

Download Submit
C:\Users\Admin\AppData\Roaming\nicon4.0origin.exe

Filesize
211KB

MD5
993c330b4f0e94b46664f2f0bf3309c2

SHA1
39927969b78ab13d5fe3a3888145204a1e13afd8

SHA256
6aba8a03fd93b96c073cfc3cd2801926f9a6f25bc2afb95a686237e6900a184e

SHA512
a0c38f039d21bda0a800b5453d3e96bc5e8ef0b9bdc4756756b426de866f288e5dd25ea449faf48e61c535a9b0942993467976d350da37f0f55f9af9828af186

Download Submit
\Users\Admin\AppData\Roaming\nicon4.0origin.exe

Filesize
211KB

MD5
993c330b4f0e94b46664f2f0bf3309c2

SHA1
39927969b78ab13d5fe3a3888145204a1e13afd8

SHA256
6aba8a03fd93b96c073cfc3cd2801926f9a6f25bc2afb95a686237e6900a184e

SHA512
a0c38f039d21bda0a800b5453d3e96bc5e8ef0b9bdc4756756b426de866f288e5dd25ea449faf48e61c535a9b0942993467976d350da37f0f55f9af9828af186

Download Submit
memory/852-66-0x0000000000400000-0x0000000000552000-memory.dmp

Filesize
1.3MB

Download
memory/852-72-0x0000000000400000-0x0000000000552000-memory.dmp

Filesize
1.3MB

Download
memory/852-70-0x0000000000400000-0x0000000000552000-memory.dmp

Filesize
1.3MB

Download
memory/852-61-0x0000000000400000-0x0000000000552000-memory.dmp

Filesize
1.3MB

Download
memory/852-62-0x0000000000400000-0x0000000000552000-memory.dmp

Filesize
1.3MB

Download
memory/852-64-0x0000000000400000-0x0000000000552000-memory.dmp

Filesize
1.3MB

Download
memory/852-67-0x0000000000400000-0x0000000000552000-memory.dmp

Filesize
1.3MB

Download
memory/1552-80-0x00000000000D0000-0x000000000010C000-memory.dmp

Filesize
240KB

Download
memory/1660-60-0x0000000008590000-0x00000000086E4000-memory.dmp

Filesize
1.3MB

Download
memory/1660-59-0x00000000082B0000-0x0000000008426000-memory.dmp

Filesize
1.5MB

Download
memory/1660-54-0x0000000000BB0000-0x0000000000D72000-memory.dmp

Filesize
1.8MB

Download
memory/1660-58-0x0000000000420000-0x000000000042C000-memory.dmp

Filesize
48KB

Download
memory/1660-57-0x0000000000410000-0x0000000000424000-memory.dmp

Filesize
80KB

Download
memory/1660-56-0x00000000003C0000-0x00000000003D4000-memory.dmp

Filesize
80KB

Download
memory/1660-55-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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