350bcbd13848e76b30da41278a0b0f3c2ca6d9c3b4e5b5cdb64ee24c8c8f9470

Analysis

max time kernel
137s
max time network
146s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28/02/2024, 02:24

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General

Target

aac22c5c90004cfeecd76e274e029ef3.exe
Size

972KB
MD5

aac22c5c90004cfeecd76e274e029ef3
SHA1

eea98faea4d810e940c7d9f62fb8035a0d48b3f6
SHA256

350bcbd13848e76b30da41278a0b0f3c2ca6d9c3b4e5b5cdb64ee24c8c8f9470
SHA512

04cde8b071172a3f8ac5bc3f74dbcff89c2ec3c1b1884e3f6a569d82b0efcf322bbf883cfb056c29b1769688e916c731770acc355fdd5d4c8f59348779005ce3
SSDEEP

12288:45DJZ9aHYol3wwuMx4tbV6LjKm96TVQxbyv99MT5t:45lalbuMWULjKgfyvM

Score

8^/10

persistence

Malware Config

Signatures

Modifies Installed Components in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1640 set thread context of 2144	1640	aac22c5c90004cfeecd76e274e029ef3.exe	38
PID 2144 set thread context of 2704	2144	aac22c5c90004cfeecd76e274e029ef3.exe	40

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
1576	schtasks.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2456	powershell.exe
2856	powershell.exe
1192	powershell.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

description	pid	Process
Token: SeDebugPrivilege	2456	powershell.exe
Token: SeDebugPrivilege	2856	powershell.exe
Token: SeDebugPrivilege	1192	powershell.exe
Token: SeShutdownPrivilege	668	explorer.exe
Token: SeShutdownPrivilege	668	explorer.exe
Token: SeShutdownPrivilege	668	explorer.exe
Token: SeShutdownPrivilege	668	explorer.exe
Token: SeShutdownPrivilege	668	explorer.exe
Token: SeShutdownPrivilege	668	explorer.exe
Token: SeShutdownPrivilege	668	explorer.exe
Token: SeShutdownPrivilege	668	explorer.exe
Token: 33	568	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	568	AUDIODG.EXE
Token: 33	568	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	568	AUDIODG.EXE
Token: SeShutdownPrivilege	668	explorer.exe
Token: SeShutdownPrivilege	668	explorer.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe

Suspicious use of SendNotifyMessage 17 IoCs

pid	Process
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe
668	explorer.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 2456	1640	aac22c5c90004cfeecd76e274e029ef3.exe	30
PID 1640 wrote to memory of 2456	1640	aac22c5c90004cfeecd76e274e029ef3.exe	30
PID 1640 wrote to memory of 2456	1640	aac22c5c90004cfeecd76e274e029ef3.exe	30
PID 1640 wrote to memory of 2456	1640	aac22c5c90004cfeecd76e274e029ef3.exe	30
PID 1640 wrote to memory of 2856	1640	aac22c5c90004cfeecd76e274e029ef3.exe	32
PID 1640 wrote to memory of 2856	1640	aac22c5c90004cfeecd76e274e029ef3.exe	32
PID 1640 wrote to memory of 2856	1640	aac22c5c90004cfeecd76e274e029ef3.exe	32
PID 1640 wrote to memory of 2856	1640	aac22c5c90004cfeecd76e274e029ef3.exe	32
PID 1640 wrote to memory of 1576	1640	aac22c5c90004cfeecd76e274e029ef3.exe	34
PID 1640 wrote to memory of 1576	1640	aac22c5c90004cfeecd76e274e029ef3.exe	34
PID 1640 wrote to memory of 1576	1640	aac22c5c90004cfeecd76e274e029ef3.exe	34
PID 1640 wrote to memory of 1576	1640	aac22c5c90004cfeecd76e274e029ef3.exe	34
PID 1640 wrote to memory of 1192	1640	aac22c5c90004cfeecd76e274e029ef3.exe	36
PID 1640 wrote to memory of 1192	1640	aac22c5c90004cfeecd76e274e029ef3.exe	36
PID 1640 wrote to memory of 1192	1640	aac22c5c90004cfeecd76e274e029ef3.exe	36
PID 1640 wrote to memory of 1192	1640	aac22c5c90004cfeecd76e274e029ef3.exe	36
PID 1640 wrote to memory of 2144	1640	aac22c5c90004cfeecd76e274e029ef3.exe	38
PID 1640 wrote to memory of 2144	1640	aac22c5c90004cfeecd76e274e029ef3.exe	38
PID 1640 wrote to memory of 2144	1640	aac22c5c90004cfeecd76e274e029ef3.exe	38
PID 1640 wrote to memory of 2144	1640	aac22c5c90004cfeecd76e274e029ef3.exe	38
PID 1640 wrote to memory of 2144	1640	aac22c5c90004cfeecd76e274e029ef3.exe	38
PID 1640 wrote to memory of 2144	1640	aac22c5c90004cfeecd76e274e029ef3.exe	38
PID 1640 wrote to memory of 2144	1640	aac22c5c90004cfeecd76e274e029ef3.exe	38
PID 1640 wrote to memory of 2144	1640	aac22c5c90004cfeecd76e274e029ef3.exe	38
PID 1640 wrote to memory of 2144	1640	aac22c5c90004cfeecd76e274e029ef3.exe	38
PID 2144 wrote to memory of 668	2144	aac22c5c90004cfeecd76e274e029ef3.exe	39
PID 2144 wrote to memory of 668	2144	aac22c5c90004cfeecd76e274e029ef3.exe	39
PID 2144 wrote to memory of 668	2144	aac22c5c90004cfeecd76e274e029ef3.exe	39
PID 2144 wrote to memory of 668	2144	aac22c5c90004cfeecd76e274e029ef3.exe	39
PID 668 wrote to memory of 2716	668	explorer.exe	41
PID 668 wrote to memory of 2716	668	explorer.exe	41
PID 668 wrote to memory of 2716	668	explorer.exe	41
PID 2144 wrote to memory of 2704	2144	aac22c5c90004cfeecd76e274e029ef3.exe	40
PID 2144 wrote to memory of 2704	2144	aac22c5c90004cfeecd76e274e029ef3.exe	40
PID 2144 wrote to memory of 2704	2144	aac22c5c90004cfeecd76e274e029ef3.exe	40
PID 2144 wrote to memory of 2704	2144	aac22c5c90004cfeecd76e274e029ef3.exe	40
PID 2144 wrote to memory of 2704	2144	aac22c5c90004cfeecd76e274e029ef3.exe	40
PID 2144 wrote to memory of 2704	2144	aac22c5c90004cfeecd76e274e029ef3.exe	40
PID 2144 wrote to memory of 2704	2144	aac22c5c90004cfeecd76e274e029ef3.exe	40
PID 2144 wrote to memory of 2704	2144	aac22c5c90004cfeecd76e274e029ef3.exe	40
PID 2144 wrote to memory of 2704	2144	aac22c5c90004cfeecd76e274e029ef3.exe	40

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\aac22c5c90004cfeecd76e274e029ef3.exe
"C:\Users\Admin\AppData\Local\Temp\aac22c5c90004cfeecd76e274e029ef3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\aac22c5c90004cfeecd76e274e029ef3.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2456
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dAFbvNYf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2856
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dAFbvNYf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4615.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1576
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dAFbvNYf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1192
- C:\Users\Admin\AppData\Local\Temp\aac22c5c90004cfeecd76e274e029ef3.exe
  "C:\Users\Admin\AppData\Local\Temp\aac22c5c90004cfeecd76e274e029ef3.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2144
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    - Modifies Installed Components in the registry
    - Modifies registry class
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of WriteProcessMemory
    PID:668
  - - C:\Windows\system32\ctfmon.exe
      ctfmon.exe
      4⤵
      PID:2716
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" Default 23.105.131.193 8488 sqMUAgrfv
    3⤵
    PID:2704

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x2e4
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:568

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4615.tmp

Filesize
1KB

MD5
ebef1d1386438f7f60ad6af0869bc0e5

SHA1
e67faa511ad38126b5926c875d7e1ee83a5775aa

SHA256
66f16808a8623ad50a1b6d1fcee19f80e477a3fc12a8a3b104bf57d662553c7e

SHA512
7df13710bd87d77b95dba30ee69f386ada30cb4a40e861a690536e540d74f6cbe7aab29ecebeb15605b6e3f79c3f718ea83fe3ffc81714535ba5cebf8db7110b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
735142286ae920a33baa4dbe5df6b1fb

SHA1
ca7e8e459d49aa45b3dfa912b385e29d6ec30f61

SHA256
28132ec6b3ec82f9b5c157c5db23e6c5663590214b1dd39038693a124237200b

SHA512
91407551ee5f7294992510c90b804ead912717040404a9aff9938cd75e004342ae536a5a9b693b2b1434d0b68cebec39e1103359b24ee7daae88cbaac28d88f2

Download Submit
memory/668-73-0x0000000003D60000-0x0000000003D61000-memory.dmp

Filesize
4KB

Download
memory/668-76-0x0000000003D60000-0x0000000003D61000-memory.dmp

Filesize
4KB

Download
memory/1192-49-0x00000000027D0000-0x0000000002810000-memory.dmp

Filesize
256KB

Download
memory/1192-47-0x000000006EC40000-0x000000006F1EB000-memory.dmp

Filesize
5.7MB

Download
memory/1192-48-0x000000006EC40000-0x000000006F1EB000-memory.dmp

Filesize
5.7MB

Download
memory/1192-71-0x000000006EC40000-0x000000006F1EB000-memory.dmp

Filesize
5.7MB

Download
memory/1192-50-0x00000000027D0000-0x0000000002810000-memory.dmp

Filesize
256KB

Download
memory/1640-7-0x00000000007E0000-0x00000000007EE000-memory.dmp

Filesize
56KB

Download
memory/1640-4-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download
memory/1640-1-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download
memory/1640-2-0x0000000004920000-0x0000000004960000-memory.dmp

Filesize
256KB

Download
memory/1640-0-0x0000000000C00000-0x0000000000CF8000-memory.dmp

Filesize
992KB

Download
memory/1640-3-0x00000000003F0000-0x0000000000406000-memory.dmp

Filesize
88KB

Download
memory/1640-5-0x0000000004920000-0x0000000004960000-memory.dmp

Filesize
256KB

Download
memory/1640-6-0x0000000004C90000-0x0000000004D12000-memory.dmp

Filesize
520KB

Download
memory/1640-39-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download
memory/2144-37-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2144-38-0x00000000003D0000-0x00000000003E0000-memory.dmp

Filesize
64KB

Download
memory/2144-35-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2144-33-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2144-20-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2144-64-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download
memory/2144-51-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download
memory/2144-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2144-30-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2144-25-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2144-22-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2456-46-0x0000000002210000-0x0000000002250000-memory.dmp

Filesize
256KB

Download
memory/2456-42-0x0000000002210000-0x0000000002250000-memory.dmp

Filesize
256KB

Download
memory/2456-44-0x000000006EC40000-0x000000006F1EB000-memory.dmp

Filesize
5.7MB

Download
memory/2456-40-0x000000006EC40000-0x000000006F1EB000-memory.dmp

Filesize
5.7MB

Download
memory/2456-72-0x000000006EC40000-0x000000006F1EB000-memory.dmp

Filesize
5.7MB

Download
memory/2456-52-0x0000000002210000-0x0000000002250000-memory.dmp

Filesize
256KB

Download
memory/2704-61-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2704-69-0x00000000049F0000-0x0000000004A30000-memory.dmp

Filesize
256KB

Download
memory/2704-67-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2704-75-0x00000000049F0000-0x0000000004A30000-memory.dmp

Filesize
256KB

Download
memory/2704-65-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2704-60-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2704-58-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2704-68-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download
memory/2704-56-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2704-62-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2704-74-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download
memory/2704-54-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2856-70-0x000000006EC40000-0x000000006F1EB000-memory.dmp

Filesize
5.7MB

Download
memory/2856-41-0x000000006EC40000-0x000000006F1EB000-memory.dmp

Filesize
5.7MB

Download
memory/2856-45-0x0000000002530000-0x0000000002570000-memory.dmp

Filesize
256KB

Download
memory/2856-43-0x000000006EC40000-0x000000006F1EB000-memory.dmp

Filesize
5.7MB

Download
memory/2856-53-0x0000000002530000-0x0000000002570000-memory.dmp

Filesize
256KB

Download