3a6f8cddd7f1169d55311be1034127b00d51b68bb796a7ce0ddfe7f2975c1681

Analysis

max time kernel
103s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
25-06-2022 03:51

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General

Target

3a6f8cddd7f1169d55311be1034127b00d51b68bb796a7ce0ddfe7f2975c1681.exe
Size

534KB
MD5

505932cec770e1c21616d9076355fb40
SHA1

4f9cfd1b541a6684d3eea104382312aab7d1f541
SHA256

3a6f8cddd7f1169d55311be1034127b00d51b68bb796a7ce0ddfe7f2975c1681
SHA512

c7c0668780d6971a47c68272efc1d2b54e0f19b6b33e5db15293c4cc2d0cbc7518c1ab362544055f92b963b1db75a6ef6f5b41d3f1857d658d75022cd63dcbd3

Score

9^/10

collection

Malware Config

Signatures

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/4296-146-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral2/memory/4296-148-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral2/memory/4296-149-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 4 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/1176-151-0x0000000000400000-0x000000000045A000-memory.dmp	WebBrowserPassView
behavioral2/memory/1176-153-0x0000000000400000-0x000000000045A000-memory.dmp	WebBrowserPassView
behavioral2/memory/1176-154-0x0000000000400000-0x000000000045A000-memory.dmp	WebBrowserPassView
behavioral2/memory/1176-156-0x0000000000400000-0x000000000045A000-memory.dmp	WebBrowserPassView

Nirsoft 7 IoCs

resource	yara_rule
behavioral2/memory/4296-146-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/4296-148-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/4296-149-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral2/memory/1176-151-0x0000000000400000-0x000000000045A000-memory.dmp	Nirsoft
behavioral2/memory/1176-153-0x0000000000400000-0x000000000045A000-memory.dmp	Nirsoft
behavioral2/memory/1176-154-0x0000000000400000-0x000000000045A000-memory.dmp	Nirsoft
behavioral2/memory/1176-156-0x0000000000400000-0x000000000045A000-memory.dmp	Nirsoft

Executes dropped EXE 2 IoCs

pid	Process
4448	file.exe
1920	file.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	3a6f8cddd7f1169d55311be1034127b00d51b68bb796a7ce0ddfe7f2975c1681.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	vbc.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
28	checkip.dyndns.org

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4448 set thread context of 1920	4448	file.exe	82
PID 1920 set thread context of 4296	1920	file.exe	91
PID 1920 set thread context of 1176	1920	file.exe	94

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 15 IoCs

pid	Process
3880	3a6f8cddd7f1169d55311be1034127b00d51b68bb796a7ce0ddfe7f2975c1681.exe
4448	file.exe
4448	file.exe
1176	vbc.exe
1176	vbc.exe
1176	vbc.exe
1176	vbc.exe
1176	vbc.exe
1176	vbc.exe
1176	vbc.exe
1176	vbc.exe
1176	vbc.exe
1176	vbc.exe
1176	vbc.exe
1176	vbc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3880	3a6f8cddd7f1169d55311be1034127b00d51b68bb796a7ce0ddfe7f2975c1681.exe
Token: SeDebugPrivilege	4448	file.exe
Token: SeDebugPrivilege	1920	file.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1920	file.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3880 wrote to memory of 4448	3880	3a6f8cddd7f1169d55311be1034127b00d51b68bb796a7ce0ddfe7f2975c1681.exe	81
PID 3880 wrote to memory of 4448	3880	3a6f8cddd7f1169d55311be1034127b00d51b68bb796a7ce0ddfe7f2975c1681.exe	81
PID 3880 wrote to memory of 4448	3880	3a6f8cddd7f1169d55311be1034127b00d51b68bb796a7ce0ddfe7f2975c1681.exe	81
PID 4448 wrote to memory of 1920	4448	file.exe	82
PID 4448 wrote to memory of 1920	4448	file.exe	82
PID 4448 wrote to memory of 1920	4448	file.exe	82
PID 4448 wrote to memory of 1920	4448	file.exe	82
PID 4448 wrote to memory of 1920	4448	file.exe	82
PID 4448 wrote to memory of 1920	4448	file.exe	82
PID 4448 wrote to memory of 1920	4448	file.exe	82
PID 4448 wrote to memory of 1920	4448	file.exe	82
PID 1920 wrote to memory of 4296	1920	file.exe	91
PID 1920 wrote to memory of 4296	1920	file.exe	91
PID 1920 wrote to memory of 4296	1920	file.exe	91
PID 1920 wrote to memory of 4296	1920	file.exe	91
PID 1920 wrote to memory of 4296	1920	file.exe	91
PID 1920 wrote to memory of 4296	1920	file.exe	91
PID 1920 wrote to memory of 4296	1920	file.exe	91
PID 1920 wrote to memory of 4296	1920	file.exe	91
PID 1920 wrote to memory of 4296	1920	file.exe	91
PID 1920 wrote to memory of 1176	1920	file.exe	94
PID 1920 wrote to memory of 1176	1920	file.exe	94
PID 1920 wrote to memory of 1176	1920	file.exe	94
PID 1920 wrote to memory of 1176	1920	file.exe	94
PID 1920 wrote to memory of 1176	1920	file.exe	94
PID 1920 wrote to memory of 1176	1920	file.exe	94
PID 1920 wrote to memory of 1176	1920	file.exe	94
PID 1920 wrote to memory of 1176	1920	file.exe	94
PID 1920 wrote to memory of 1176	1920	file.exe	94

C:\Users\Admin\AppData\Local\Temp\3a6f8cddd7f1169d55311be1034127b00d51b68bb796a7ce0ddfe7f2975c1681.exe
"C:\Users\Admin\AppData\Local\Temp\3a6f8cddd7f1169d55311be1034127b00d51b68bb796a7ce0ddfe7f2975c1681.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3880
- C:\Users\Admin\Desktop\file.exe
  "C:\Users\Admin\Desktop\file.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4448
- - C:\Users\Admin\Desktop\file.exe
    "C:\Users\Admin\Desktop\file.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1920
  - - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\\Mail.txt"
      4⤵
      Accesses Microsoft Outlook accounts
      PID:4296
  - - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /stext "C:\Users\Admin\AppData\Local\Temp\\Web.txt"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      PID:1176

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\file.exe.log

Filesize
312B

MD5
d4b49ac61a6cac139f96450777c10204

SHA1
92089d33442c9e2eaceac3ed8db6a7168f938e5a

SHA256
807bdfa62a4312030c1ed54981674cff77f6108e6b4957754cabb810098ce082

SHA512
eb13a0e7f0d4b44db7e8d0625ba1ee6a036083c39c24b85493d3ec9074ada03eb7003b97bd92ed5f2baaf26295a4690303332593c4776e75da5bc3b6adbc3ea6

Download Submit
C:\Users\Admin\AppData\Local\Temp\Web.txt

Filesize
3KB

MD5
b9daf88205e7429feaceda806bd561d2

SHA1
1893c80e74cfea9914343c6e4213393804a92dd1

SHA256
efa03262d4c3f5a46ab526946b8c7450d37eff4b5f8d53b43468655eea8cc027

SHA512
649ba70698611bd66aa91e40aaa81327a60efc098c1705729f9eb316c18e9bcca6af2363b24f8ac4aea5d25f12303833aedaada6fd26f1eebb86711a4e9baaf1

Download Submit
C:\Users\Admin\AppData\Roaming\New text document.txt

Filesize
32B

MD5
e8169a0f63de04fef6f943409d69ce54

SHA1
9268cdbdd05f1b9fa1ba1230e954c197cccb50c5

SHA256
b39ee9def95cc34e3edf074f1b328e1ce174359bfc34cb9d60b2d9e2d317ff81

SHA512
16fc19fcf72d0a19b1433d30e63d257d3d44cdbe5c23c2d10f6e9cf1af37b159566fdcaad84a5168881ec2ff593c4a6b51a4aa074e51d8d837b76243996040cc

Download Submit
C:\Users\Admin\Desktop\file.exe

Filesize
534KB

MD5
505932cec770e1c21616d9076355fb40

SHA1
4f9cfd1b541a6684d3eea104382312aab7d1f541

SHA256
3a6f8cddd7f1169d55311be1034127b00d51b68bb796a7ce0ddfe7f2975c1681

SHA512
c7c0668780d6971a47c68272efc1d2b54e0f19b6b33e5db15293c4cc2d0cbc7518c1ab362544055f92b963b1db75a6ef6f5b41d3f1857d658d75022cd63dcbd3

Download Submit
C:\Users\Admin\Desktop\file.exe

Filesize
534KB

MD5
505932cec770e1c21616d9076355fb40

SHA1
4f9cfd1b541a6684d3eea104382312aab7d1f541

SHA256
3a6f8cddd7f1169d55311be1034127b00d51b68bb796a7ce0ddfe7f2975c1681

SHA512
c7c0668780d6971a47c68272efc1d2b54e0f19b6b33e5db15293c4cc2d0cbc7518c1ab362544055f92b963b1db75a6ef6f5b41d3f1857d658d75022cd63dcbd3

Download Submit
C:\Users\Admin\Desktop\file.exe

Filesize
534KB

MD5
505932cec770e1c21616d9076355fb40

SHA1
4f9cfd1b541a6684d3eea104382312aab7d1f541

SHA256
3a6f8cddd7f1169d55311be1034127b00d51b68bb796a7ce0ddfe7f2975c1681

SHA512
c7c0668780d6971a47c68272efc1d2b54e0f19b6b33e5db15293c4cc2d0cbc7518c1ab362544055f92b963b1db75a6ef6f5b41d3f1857d658d75022cd63dcbd3

Download Submit
memory/1176-154-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1176-156-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1176-153-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1176-151-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1920-139-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1920-143-0x0000000075220000-0x00000000757D1000-memory.dmp

Filesize
5.7MB

Download
memory/1920-144-0x0000000075220000-0x00000000757D1000-memory.dmp

Filesize
5.7MB

Download
memory/3880-135-0x0000000075220000-0x00000000757D1000-memory.dmp

Filesize
5.7MB

Download
memory/3880-131-0x0000000075220000-0x00000000757D1000-memory.dmp

Filesize
5.7MB

Download
memory/3880-130-0x0000000075220000-0x00000000757D1000-memory.dmp

Filesize
5.7MB

Download
memory/4296-149-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4296-148-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4296-146-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4448-142-0x0000000075220000-0x00000000757D1000-memory.dmp

Filesize
5.7MB

Download
memory/4448-137-0x0000000075220000-0x00000000757D1000-memory.dmp

Filesize
5.7MB

Download