5de218dd00c5b6536a8ea373bbe9b9f2079f788a113b847fbd5c39932170a6e6

Analysis

max time kernel
145s
max time network
128s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:33

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General

Target

d21427a7a658882f85cfc0f0494d2337.exe
Size

1.4MB
MD5

d21427a7a658882f85cfc0f0494d2337
SHA1

a3c7e31aa7beffc0b8c0fddbf140994ca07ed95f
SHA256

2ef232eae08620c8b18e4a139d126d3da312053701aaebd3032fb638fb553eae
SHA512

e606969e162951b2a93dcd2a7271cc423b65adcc8e9b66ee95d3e13bac0611714f93bcb7a74a309a8eabeb541c40bc106c5b458b8e14ac24c7dd5a7ccc6cfc88
SSDEEP

24576:V8dvIOVmW6AbPsArkueRKmV3sNlHfiqJIM:VowONbkBuyKmBs7iM

Score

7^/10

discovery persistence

Malware Config

Signatures

Drops startup file 4 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app_signed.exe	d21427a7a658882f85cfc0f0494d2337.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe	d21427a7a658882f85cfc0f0494d2337.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe	d21427a7a658882f85cfc0f0494d2337.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app_signed.exe	d21427a7a658882f85cfc0f0494d2337.exe

Executes dropped EXE 3 IoCs

pid	Process
2544	app.exe
2372	app.exe
1768	app.exe

Loads dropped DLL 1 IoCs

pid	Process
1732	d21427a7a658882f85cfc0f0494d2337.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\app.exe"	d21427a7a658882f85cfc0f0494d2337.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2544 set thread context of 1768	2544	app.exe	33
PID 2544 set thread context of 2372	2544	app.exe	34

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	app.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	app.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	app.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d21427a7a658882f85cfc0f0494d2337.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1732	d21427a7a658882f85cfc0f0494d2337.exe
1732	d21427a7a658882f85cfc0f0494d2337.exe
1732	d21427a7a658882f85cfc0f0494d2337.exe
1732	d21427a7a658882f85cfc0f0494d2337.exe
1732	d21427a7a658882f85cfc0f0494d2337.exe
1732	d21427a7a658882f85cfc0f0494d2337.exe
2544	app.exe
2544	app.exe
2544	app.exe
2544	app.exe
2544	app.exe
2544	app.exe
2544	app.exe
2544	app.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1732	d21427a7a658882f85cfc0f0494d2337.exe
Token: SeDebugPrivilege	2544	app.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2372	app.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2544	1732	d21427a7a658882f85cfc0f0494d2337.exe	31
PID 1732 wrote to memory of 2544	1732	d21427a7a658882f85cfc0f0494d2337.exe	31
PID 1732 wrote to memory of 2544	1732	d21427a7a658882f85cfc0f0494d2337.exe	31
PID 1732 wrote to memory of 2544	1732	d21427a7a658882f85cfc0f0494d2337.exe	31
PID 2544 wrote to memory of 1768	2544	app.exe	33
PID 2544 wrote to memory of 1768	2544	app.exe	33
PID 2544 wrote to memory of 1768	2544	app.exe	33
PID 2544 wrote to memory of 1768	2544	app.exe	33
PID 2544 wrote to memory of 2372	2544	app.exe	34
PID 2544 wrote to memory of 2372	2544	app.exe	34
PID 2544 wrote to memory of 2372	2544	app.exe	34
PID 2544 wrote to memory of 2372	2544	app.exe	34
PID 2544 wrote to memory of 1768	2544	app.exe	33
PID 2544 wrote to memory of 1768	2544	app.exe	33
PID 2544 wrote to memory of 2372	2544	app.exe	34
PID 2544 wrote to memory of 1768	2544	app.exe	33
PID 2544 wrote to memory of 1768	2544	app.exe	33
PID 2544 wrote to memory of 1768	2544	app.exe	33
PID 2544 wrote to memory of 2372	2544	app.exe	34
PID 2544 wrote to memory of 2372	2544	app.exe	34
PID 2544 wrote to memory of 2372	2544	app.exe	34
PID 2544 wrote to memory of 2372	2544	app.exe	34

C:\Users\Admin\AppData\Local\Temp\d21427a7a658882f85cfc0f0494d2337.exe
"C:\Users\Admin\AppData\Local\Temp\d21427a7a658882f85cfc0f0494d2337.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2544
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1768
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab6B60.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe

Filesize
1.4MB

MD5
110a1134346386c36f68f5e393eb0d7c

SHA1
2f989b9bb5b8783f074f4912f97c711aaa6e36c7

SHA256
b666d9872dfc7d1ba292028d0feeebadd4eb40f05de6f9f92ddb5ffc8b93f71e

SHA512
0b1258c3399e672286426172fd8edce4fb536f0d1027ffe34acc903564f4ae165966e33c5cac2d703ad6e355276c5161c7f0496e1f8b93b8710987f947963531

Download Submit
memory/1732-12-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/1732-1-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/1732-11-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/1732-0-0x0000000074571000-0x0000000074572000-memory.dmp

Filesize
4KB

Download
memory/1732-9-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/1732-30-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/1732-10-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/1768-48-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1768-61-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1768-51-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1768-54-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1768-58-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1768-56-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1768-75-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1768-73-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/2544-31-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2544-46-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2544-45-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2544-44-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2544-32-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/2544-76-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download