431729bf9c87f3135b05dc3da63144c8c2bd8965da392f906dbc2bd96539c37f

Analysis

max time kernel
140s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
08/12/2023, 04:00

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General

Target
file.exe
Size 3.2MB
Sample231208-ekm2caha56
SHA256 431729bf9c87f3135b05dc3da63144c8c2bd8965da392f906dbc2bd96539c37f
MD5 c785cffd1c806ce320765463762b2fa5
SHA1 1921adef96f10fa78099cc9d5f0da4b71fd1be38
SHA512 9477b7a7b75f91af7945bbe32d7a2234fd08f61409f342a929397c8b9789983d20a1e5ed112bbd433158e1efdd53abeb5aec250fd62c67fb75ca531dfe7169f4
SSDEEP 49152:B82vDpU01UMb9Iy0q4HH/lECd/khgVtPmkk0cfADwGrg2gPv7Me7PJbvbhI4SuMZ:B82lU0V0qQH6HajiqNaDM4BTyS79BgTV
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

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-1-5-21-2037190880-819243489-950462038-1000\Control Panel\International\Geo\Nation	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
2132	rundll32.exe
3432	rundll32.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2037190880-819243489-950462038-1000_Classes\Local Settings	cmd.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3656 wrote to memory of 640	3656	file.exe	87
PID 3656 wrote to memory of 640	3656	file.exe	87
PID 3656 wrote to memory of 640	3656	file.exe	87
PID 640 wrote to memory of 3844	640	cmd.exe	91
PID 640 wrote to memory of 3844	640	cmd.exe	91
PID 640 wrote to memory of 3844	640	cmd.exe	91
PID 3844 wrote to memory of 2132	3844	control.exe	93
PID 3844 wrote to memory of 2132	3844	control.exe	93
PID 3844 wrote to memory of 2132	3844	control.exe	93
PID 2132 wrote to memory of 2712	2132	rundll32.exe	94
PID 2132 wrote to memory of 2712	2132	rundll32.exe	94
PID 2712 wrote to memory of 3432	2712	RunDll32.exe	95
PID 2712 wrote to memory of 3432	2712	RunDll32.exe	95
PID 2712 wrote to memory of 3432	2712	RunDll32.exe	95

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3656
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c .\a.CmD
  2⤵
  - Checks computer location settings
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:640
- - C:\Windows\SysWOW64\control.exe
    "C:\Windows\System32\control.exe" "C:\Users\Admin\AppData\Local\Temp\7zS84E744B7\uISgOk.CpL",
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3844
  - - C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\7zS84E744B7\uISgOk.CpL",
      4⤵
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:2132
    - - C:\Windows\system32\RunDll32.exe
        
        C:\Windows\system32\RunDll32.exe Shell32.dll,Control_RunDLL "C:\Users\Admin\AppData\Local\Temp\7zS84E744B7\uISgOk.CpL",
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2712
      - C:\Windows\SysWOW64\rundll32.exe
        
        "C:\Windows\SysWOW64\rundll32.exe" "C:\Windows\SysWOW64\shell32.dll",#44 "C:\Users\Admin\AppData\Local\Temp\7zS84E744B7\uISgOk.CpL",
        6⤵
        Loads dropped DLL
        
        PID:3432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

A.cmD

Path C:\Users\Admin\AppData\Local\Temp\7zS84E744B7\A.cmD
Size 51B
SHA256 17f18a1c373222c79a51d725fab6283106316183c459fd6fbd5caf84ee14fde1
MD5 a033ddf4dad7fb51cb4ef3a18c1a659c
SHA1 0e4adf2cbff10d1852d86e99c12e4d63b407380a
SHA512 0408c958122b74832b3186549d750d0bf072a0c58fd5d690a13908ab785b6a23be798c2af1c7c3bbb8f9e0c8b68d64ace1ff76a88dcc4fc4818319469f7e63c8
MD5 SHA1 SHA512

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uISgOk.CpL

Path C:\Users\Admin\AppData\Local\Temp\7zS84E744B7\uISgOk.CpL
Size 4.1MB
SHA256 2b3bf49f7cf0551bcbcbcd552ceb23b65269bd4e84917a0c4b704518dd58362d
MD5 fd8924832ac45d0b853325078da3aada
SHA1 8caf6d32e7545d5eb35db642459d2f890525e8d5
SHA512 a9d04e3f6e45bc7d8cd38f4a1a8dcab8948cd0bb69ff5d79e913acd2b96368fec5e67044bc080df0a29423fd48559b8f279c56abc7caa16bca387f4143baa879
SSDEEP 49152:zJ7aHS0U1goEcqlr0/v9H11FZF5cBG298Kzg1QgOvoVGQy8UvJJqffnI:sHrlyFFZFWBG2u6g1QgOW28CJqff
MD5 SHA1 SHA512 SSDEEP

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uISgOk.CpL

Path C:\Users\Admin\AppData\Local\Temp\7zS84E744B7\uISgOk.CpL
Size 4.1MB
SHA256 2b3bf49f7cf0551bcbcbcd552ceb23b65269bd4e84917a0c4b704518dd58362d
MD5 fd8924832ac45d0b853325078da3aada
SHA1 8caf6d32e7545d5eb35db642459d2f890525e8d5
SHA512 a9d04e3f6e45bc7d8cd38f4a1a8dcab8948cd0bb69ff5d79e913acd2b96368fec5e67044bc080df0a29423fd48559b8f279c56abc7caa16bca387f4143baa879
SSDEEP 49152:zJ7aHS0U1goEcqlr0/v9H11FZF5cBG298Kzg1QgOvoVGQy8UvJJqffnI:sHrlyFFZFWBG2u6g1QgOW28CJqff
MD5 SHA1 SHA512 SSDEEP

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uISgOk.CpL

Path C:\Users\Admin\AppData\Local\Temp\7zS84E744B7\uISgOk.CpL
Size 4.1MB
SHA256 2b3bf49f7cf0551bcbcbcd552ceb23b65269bd4e84917a0c4b704518dd58362d
MD5 fd8924832ac45d0b853325078da3aada
SHA1 8caf6d32e7545d5eb35db642459d2f890525e8d5
SHA512 a9d04e3f6e45bc7d8cd38f4a1a8dcab8948cd0bb69ff5d79e913acd2b96368fec5e67044bc080df0a29423fd48559b8f279c56abc7caa16bca387f4143baa879
SSDEEP 49152:zJ7aHS0U1goEcqlr0/v9H11FZF5cBG298Kzg1QgOvoVGQy8UvJJqffnI:sHrlyFFZFWBG2u6g1QgOW28CJqff
MD5 SHA1 SHA512 SSDEEP

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memory/2132-9-0x0000000010000000-0x0000000010418000-memory.dmp

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memory/2132-12-0x00000000033D0000-0x0000000003513000-memory.dmp

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memory/2132-13-0x0000000003530000-0x0000000003657000-memory.dmp

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memory/2132-16-0x0000000003530000-0x0000000003657000-memory.dmp

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memory/2132-17-0x0000000003530000-0x0000000003657000-memory.dmp

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memory/2132-8-0x0000000003260000-0x0000000003266000-memory.dmp

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memory/3432-19-0x00000000006C0000-0x00000000006C6000-memory.dmp

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memory/3432-22-0x00000000028E0000-0x0000000002A23000-memory.dmp

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memory/3432-23-0x0000000002A30000-0x0000000002B57000-memory.dmp

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memory/3432-26-0x0000000002A30000-0x0000000002B57000-memory.dmp

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memory/3432-27-0x0000000002A30000-0x0000000002B57000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads