65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840

Analysis

max time kernel
119s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2024, 05:40

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General

Target

65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
Size

90KB
MD5

da85e435f12df2ed8021698ce78f9b70
SHA1

bba8120a2607f644c60dbc6cf4163b42f725c238
SHA256

65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840
SHA512

c6b13c7281acf4c9bc2faec07a88dfc23830a63b35779a85dc43c5a5d3e0ffc1c4b59e3f663eb8bf8122fb1d1189f1cc42536c6a99a5d69c0ab54b91aa9c5dfc
SSDEEP

1536:r1Sbpfv5DOWknf7LAQkhB5EQr5PqNzH3EEIMrAgx29E9zt7Hp4h+DGm3/7qq:IbpfhDOW7hBhr4pX5r9x29E9z5HpZDGu

Score

7^/10

discovery persistence

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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	COM7.EXE

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PDF Reader Launcher.exe	COM7.EXE

Executes dropped EXE 4 IoCs

pid	Process
3520	ashcv.exe
4752	COM7.EXE
948	ashcv.exe
348	COM7.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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\COM_LOADER = "\\\\.\\F:\\Program Files\\PDF_Reader\\bin\\COM7.EXE"	reg.exe

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 6 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	COM7.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ashcv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	COM7.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ashcv.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
4080	reg.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
3520	ashcv.exe
3520	ashcv.exe
4752	COM7.EXE
4752	COM7.EXE
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
948	ashcv.exe
948	ashcv.exe
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
348	COM7.EXE
348	COM7.EXE
4752	COM7.EXE
4752	COM7.EXE
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
4752	COM7.EXE
4752	COM7.EXE
4752	COM7.EXE
4752	COM7.EXE
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
4752	COM7.EXE
4752	COM7.EXE
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
4752	COM7.EXE
4752	COM7.EXE
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
4752	COM7.EXE
4752	COM7.EXE
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
4752	COM7.EXE
4752	COM7.EXE
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
4752	COM7.EXE
4752	COM7.EXE
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
4752	COM7.EXE
4752	COM7.EXE
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
4752	COM7.EXE
4752	COM7.EXE
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
4752	COM7.EXE
4752	COM7.EXE
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3520	ashcv.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1300 wrote to memory of 3520	1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe	82
PID 1300 wrote to memory of 3520	1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe	82
PID 1300 wrote to memory of 3520	1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe	82
PID 1300 wrote to memory of 4752	1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe	83
PID 1300 wrote to memory of 4752	1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe	83
PID 1300 wrote to memory of 4752	1300	65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe	83
PID 4752 wrote to memory of 4080	4752	COM7.EXE	84
PID 4752 wrote to memory of 4080	4752	COM7.EXE	84
PID 4752 wrote to memory of 4080	4752	COM7.EXE	84
PID 4752 wrote to memory of 948	4752	COM7.EXE	86
PID 4752 wrote to memory of 948	4752	COM7.EXE	86
PID 4752 wrote to memory of 948	4752	COM7.EXE	86
PID 3520 wrote to memory of 348	3520	ashcv.exe	87
PID 3520 wrote to memory of 348	3520	ashcv.exe	87
PID 3520 wrote to memory of 348	3520	ashcv.exe	87

C:\Users\Admin\AppData\Local\Temp\65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe
"C:\Users\Admin\AppData\Local\Temp\65b127d73ade41dfe0012ce9cc37ca549d12c7306eb61540d00fb973e4724840N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1300
- C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\ashcv.exe
  \\.\C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\ashcv.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3520
- - C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\COM7.EXE
    \\.\C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\COM7.EXE
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:348
- C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\COM7.EXE
  \\.\C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\COM7.EXE
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4752
- - C:\Windows\SysWOW64\reg.exe
    "C:\Windows\System32\reg.exe" ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /f /t REG_SZ /v COM_LOADER /d "\\.\F:\Program Files\PDF_Reader\bin\COM7.EXE"
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Modifies registry key
    PID:4080
- - C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\ashcv.exe
    \\.\C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\ashcv.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:948

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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\COM7.EXE

Filesize
90KB

MD5
f295f99ebe142d005da2588fb5f3ceeb

SHA1
847ca4348ded4d3be67cb568cc892594056505ec

SHA256
573050cea6ebee7f36f914453cba74c5e3a538b4f668af096f41164e0f8d1097

SHA512
44524f020e843fcc5ee532884f325efb11970d75e0efe28c58a5d224157c1f7304bbc9ca8f9b1387bf75d4604ac7baab15db1202eab28a986abcedb4438fb580

Download Submit
C:\Users\Admin\AppData\Local\Temp\Rar$EX7.sr77\ashcv.exe

Filesize
91KB

MD5
41527e62bfc453267e985d68289a2155

SHA1
b789303f2e939e40b35a67825939333cd1dec504

SHA256
078d0c82002bfbe74c8fc920fb34d0ce8785579f3a58660afa6235110bee9407

SHA512
8e8e06a2f7b92da11d4580e07483371bc79fb1ecfdc58579aff0b79b57042bb9951e4992553d4c19b7875eac92108e0f1b91e091739d4f9fce70701fc2947d20

Download Submit
memory/348-26-0x0000000000400000-0x0000000000549000-memory.dmp

Filesize
1.3MB

Download
memory/948-23-0x0000000000400000-0x0000000000549000-memory.dmp

Filesize
1.3MB

Download
memory/1300-12-0x0000000000400000-0x0000000000549000-memory.dmp

Filesize
1.3MB

Download
memory/3520-16-0x0000000000400000-0x0000000000549000-memory.dmp

Filesize
1.3MB

Download
memory/3520-30-0x0000000000400000-0x0000000000549000-memory.dmp

Filesize
1.3MB

Download
memory/3520-38-0x0000000000400000-0x0000000000549000-memory.dmp

Filesize
1.3MB

Download
memory/4752-17-0x0000000000400000-0x0000000000549000-memory.dmp

Filesize
1.3MB

Download