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
behavioral2/files/0x0002000000022e13-146.dat	family_wshrat

Blocklisted process makes network request 19 IoCs

flow	pid	Process
58	2456	wscript.exe
60	2456	wscript.exe
61	2456	wscript.exe
70	2456	wscript.exe
71	2456	wscript.exe
72	2456	wscript.exe
73	2456	wscript.exe
74	2456	wscript.exe
75	2456	wscript.exe
76	2456	wscript.exe
77	2456	wscript.exe
78	2456	wscript.exe
79	2456	wscript.exe
80	2456	wscript.exe
81	2456	wscript.exe
82	2456	wscript.exe
83	2456	wscript.exe
84	2456	wscript.exe
85	2456	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
3692	nicon4.0origin.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	Copia de pago.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	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-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	nicon4.0origin.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	nicon4.0origin.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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\USER\S-1-5-21-929662420-1054238289-2961194603-1000\software\microsoft\windows\currentversion\run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MGosm = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\MGosm.vbs\""	wscript.exe
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

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
57	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1636 set thread context of 4300	1636	Copia de pago.exe	107

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4840	2436	WerFault.exe	35

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1636	Copia de pago.exe
1636	Copia de pago.exe
1636	Copia de pago.exe
1636	Copia de pago.exe
1636	Copia de pago.exe
1636	Copia de pago.exe
1636	Copia de pago.exe
1636	Copia de pago.exe
3692	nicon4.0origin.exe
3692	nicon4.0origin.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1636	Copia de pago.exe
Token: SeDebugPrivilege	3692	nicon4.0origin.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3692	nicon4.0origin.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 1012	1636	Copia de pago.exe	103
PID 1636 wrote to memory of 1012	1636	Copia de pago.exe	103
PID 1636 wrote to memory of 1012	1636	Copia de pago.exe	103
PID 1636 wrote to memory of 736	1636	Copia de pago.exe	104
PID 1636 wrote to memory of 736	1636	Copia de pago.exe	104
PID 1636 wrote to memory of 736	1636	Copia de pago.exe	104
PID 1636 wrote to memory of 1884	1636	Copia de pago.exe	105
PID 1636 wrote to memory of 1884	1636	Copia de pago.exe	105
PID 1636 wrote to memory of 1884	1636	Copia de pago.exe	105
PID 1636 wrote to memory of 4396	1636	Copia de pago.exe	106
PID 1636 wrote to memory of 4396	1636	Copia de pago.exe	106
PID 1636 wrote to memory of 4396	1636	Copia de pago.exe	106
PID 1636 wrote to memory of 4300	1636	Copia de pago.exe	107
PID 1636 wrote to memory of 4300	1636	Copia de pago.exe	107
PID 1636 wrote to memory of 4300	1636	Copia de pago.exe	107
PID 1636 wrote to memory of 4300	1636	Copia de pago.exe	107
PID 1636 wrote to memory of 4300	1636	Copia de pago.exe	107
PID 1636 wrote to memory of 4300	1636	Copia de pago.exe	107
PID 1636 wrote to memory of 4300	1636	Copia de pago.exe	107
PID 1636 wrote to memory of 4300	1636	Copia de pago.exe	107
PID 4300 wrote to memory of 2456	4300	Copia de pago.exe	108
PID 4300 wrote to memory of 2456	4300	Copia de pago.exe	108
PID 4300 wrote to memory of 2456	4300	Copia de pago.exe	108
PID 2456 wrote to memory of 3692	2456	wscript.exe	109
PID 2456 wrote to memory of 3692	2456	wscript.exe	109
PID 2456 wrote to memory of 3692	2456	wscript.exe	109

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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-1-5-21-929662420-1054238289-2961194603-1000\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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Users\Admin\AppData\Local\Temp\Copia de pago.exe
  "C:\Users\Admin\AppData\Local\Temp\Copia de pago.exe"
  2⤵
  PID:1012
- C:\Users\Admin\AppData\Local\Temp\Copia de pago.exe
  "C:\Users\Admin\AppData\Local\Temp\Copia de pago.exe"
  2⤵
  PID:736
- C:\Users\Admin\AppData\Local\Temp\Copia de pago.exe
  "C:\Users\Admin\AppData\Local\Temp\Copia de pago.exe"
  2⤵
  PID:1884
- C:\Users\Admin\AppData\Local\Temp\Copia de pago.exe
  "C:\Users\Admin\AppData\Local\Temp\Copia de pago.exe"
  2⤵
  PID:4396
- C:\Users\Admin\AppData\Local\Temp\Copia de pago.exe
  "C:\Users\Admin\AppData\Local\Temp\Copia de pago.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:4300
- - C:\Windows\SysWOW64\wscript.exe
    "C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Roaming\MGosm.vbs"
    3⤵
    - Blocklisted process makes network request
    - Checks computer location settings
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:2456
  - - 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:3692

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 476 -p 2436 -ip 2436
1⤵
PID:4904

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2436 -s 836
1⤵
- Program crash
PID:4840

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Copia de pago.exe.log

Filesize
1KB

MD5
e08f822522c617a40840c62e4b0fb45e

SHA1
ae516dca4da5234be6676d3f234c19ec55725be7

SHA256
bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

SHA512
894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

Download Submit
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
memory/1636-137-0x00000000094E0000-0x0000000009546000-memory.dmp

Filesize
408KB

Download
memory/1636-136-0x0000000009340000-0x00000000093DC000-memory.dmp

Filesize
624KB

Download
memory/1636-135-0x00000000053C0000-0x00000000053CA000-memory.dmp

Filesize
40KB

Download
memory/1636-134-0x00000000053E0000-0x0000000005472000-memory.dmp

Filesize
584KB

Download
memory/1636-132-0x0000000000870000-0x0000000000A32000-memory.dmp

Filesize
1.8MB

Download
memory/1636-133-0x0000000005AB0000-0x0000000006054000-memory.dmp

Filesize
5.6MB

Download
memory/3692-150-0x0000000000350000-0x000000000038C000-memory.dmp

Filesize
240KB

Download
memory/3692-151-0x0000000005FF0000-0x0000000006040000-memory.dmp

Filesize
320KB

Download
memory/4300-143-0x0000000000400000-0x0000000000552000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads