3a6f8cddd7f1169d55311be1034127b00d51b68bb796a7ce0ddfe7f2975c1681

Analysis

max time kernel
50s
max time network
130s
platform
windows7_x64
resource
win7-20220414-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 5 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral1/memory/1488-81-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/1488-82-0x0000000000411790-mapping.dmp	MailPassView
behavioral1/memory/1488-85-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/1488-86-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/1488-89-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 4 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral1/memory/1968-99-0x0000000000400000-0x000000000045A000-memory.dmp	WebBrowserPassView
behavioral1/memory/1968-100-0x00000000004439CC-mapping.dmp	WebBrowserPassView
behavioral1/memory/1968-103-0x0000000000400000-0x000000000045A000-memory.dmp	WebBrowserPassView
behavioral1/memory/1968-105-0x0000000000400000-0x000000000045A000-memory.dmp	WebBrowserPassView

Nirsoft 9 IoCs

resource	yara_rule
behavioral1/memory/1488-81-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/1488-82-0x0000000000411790-mapping.dmp	Nirsoft
behavioral1/memory/1488-85-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/1488-86-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/1488-89-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/1968-99-0x0000000000400000-0x000000000045A000-memory.dmp	Nirsoft
behavioral1/memory/1968-100-0x00000000004439CC-mapping.dmp	Nirsoft
behavioral1/memory/1968-103-0x0000000000400000-0x000000000045A000-memory.dmp	Nirsoft
behavioral1/memory/1968-105-0x0000000000400000-0x000000000045A000-memory.dmp	Nirsoft

Executes dropped EXE 2 IoCs

pid	Process
1648	file.exe
340	file.exe

Loads dropped DLL 1 IoCs

pid	Process
1044	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-1-5-21-1819626980-2277161760-1023733287-1000\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
3	checkip.dyndns.org

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1648 set thread context of 340	1648	file.exe	29
PID 340 set thread context of 1488	340	file.exe	31
PID 340 set thread context of 1968	340	file.exe	32

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 8 IoCs

pid	Process
1044	3a6f8cddd7f1169d55311be1034127b00d51b68bb796a7ce0ddfe7f2975c1681.exe
1648	file.exe
1648	file.exe
1968	vbc.exe
1968	vbc.exe
1968	vbc.exe
1968	vbc.exe
1968	vbc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1044	3a6f8cddd7f1169d55311be1034127b00d51b68bb796a7ce0ddfe7f2975c1681.exe
Token: SeDebugPrivilege	1648	file.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
340	file.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 1648	1044	3a6f8cddd7f1169d55311be1034127b00d51b68bb796a7ce0ddfe7f2975c1681.exe	27
PID 1044 wrote to memory of 1648	1044	3a6f8cddd7f1169d55311be1034127b00d51b68bb796a7ce0ddfe7f2975c1681.exe	27
PID 1044 wrote to memory of 1648	1044	3a6f8cddd7f1169d55311be1034127b00d51b68bb796a7ce0ddfe7f2975c1681.exe	27
PID 1044 wrote to memory of 1648	1044	3a6f8cddd7f1169d55311be1034127b00d51b68bb796a7ce0ddfe7f2975c1681.exe	27
PID 1648 wrote to memory of 340	1648	file.exe	29
PID 1648 wrote to memory of 340	1648	file.exe	29
PID 1648 wrote to memory of 340	1648	file.exe	29
PID 1648 wrote to memory of 340	1648	file.exe	29
PID 1648 wrote to memory of 340	1648	file.exe	29
PID 1648 wrote to memory of 340	1648	file.exe	29
PID 1648 wrote to memory of 340	1648	file.exe	29
PID 1648 wrote to memory of 340	1648	file.exe	29
PID 1648 wrote to memory of 340	1648	file.exe	29
PID 340 wrote to memory of 1488	340	file.exe	31
PID 340 wrote to memory of 1488	340	file.exe	31
PID 340 wrote to memory of 1488	340	file.exe	31
PID 340 wrote to memory of 1488	340	file.exe	31
PID 340 wrote to memory of 1488	340	file.exe	31
PID 340 wrote to memory of 1488	340	file.exe	31
PID 340 wrote to memory of 1488	340	file.exe	31
PID 340 wrote to memory of 1488	340	file.exe	31
PID 340 wrote to memory of 1488	340	file.exe	31
PID 340 wrote to memory of 1488	340	file.exe	31
PID 340 wrote to memory of 1968	340	file.exe	32
PID 340 wrote to memory of 1968	340	file.exe	32
PID 340 wrote to memory of 1968	340	file.exe	32
PID 340 wrote to memory of 1968	340	file.exe	32
PID 340 wrote to memory of 1968	340	file.exe	32
PID 340 wrote to memory of 1968	340	file.exe	32
PID 340 wrote to memory of 1968	340	file.exe	32
PID 340 wrote to memory of 1968	340	file.exe	32
PID 340 wrote to memory of 1968	340	file.exe	32
PID 340 wrote to memory of 1968	340	file.exe	32

C:\Users\Admin\AppData\Local\Temp\3a6f8cddd7f1169d55311be1034127b00d51b68bb796a7ce0ddfe7f2975c1681.exe
"C:\Users\Admin\AppData\Local\Temp\3a6f8cddd7f1169d55311be1034127b00d51b68bb796a7ce0ddfe7f2975c1681.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1044
- 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:1648
- - C:\Users\Admin\Desktop\file.exe
    "C:\Users\Admin\Desktop\file.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:340
  - - 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:1488
  - - 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:1968

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

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
\Users\Admin\Desktop\file.exe

Filesize
534KB

MD5
505932cec770e1c21616d9076355fb40

SHA1
4f9cfd1b541a6684d3eea104382312aab7d1f541

SHA256
3a6f8cddd7f1169d55311be1034127b00d51b68bb796a7ce0ddfe7f2975c1681

SHA512
c7c0668780d6971a47c68272efc1d2b54e0f19b6b33e5db15293c4cc2d0cbc7518c1ab362544055f92b963b1db75a6ef6f5b41d3f1857d658d75022cd63dcbd3

Download Submit
memory/340-88-0x0000000073F20000-0x00000000744CB000-memory.dmp

Filesize
5.7MB

Download
memory/340-63-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/340-87-0x0000000073F20000-0x00000000744CB000-memory.dmp

Filesize
5.7MB

Download
memory/340-67-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/340-69-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/340-71-0x0000000073F20000-0x00000000744CB000-memory.dmp

Filesize
5.7MB

Download
memory/340-72-0x0000000073F20000-0x00000000744CB000-memory.dmp

Filesize
5.7MB

Download
memory/1044-54-0x0000000075441000-0x0000000075443000-memory.dmp

Filesize
8KB

Download
memory/1044-60-0x00000000744D0000-0x0000000074A7B000-memory.dmp

Filesize
5.7MB

Download
memory/1488-76-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1488-89-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1488-81-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1488-79-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1488-74-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1488-73-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1488-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1488-86-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1488-78-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1648-62-0x00000000744D0000-0x0000000074A7B000-memory.dmp

Filesize
5.7MB

Download
memory/1648-66-0x00000000744D0000-0x0000000074A7B000-memory.dmp

Filesize
5.7MB

Download
memory/1968-90-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1968-91-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1968-93-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1968-95-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1968-97-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1968-99-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1968-103-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1968-105-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download