c736cde8c40c0404744d6fa44920c7e8061fe38b824bcc4a1c5bd75571970861

Analysis

max time kernel
125s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
13/06/2024, 06:49

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General

Target
DortChecker.exe
Size 15KB
Sample240613-hlg39sscml
SHA256 c736cde8c40c0404744d6fa44920c7e8061fe38b824bcc4a1c5bd75571970861
MD5 715952f349f32e0aa9602b87a7c4a4e2
SHA1 cb824d7a63614f7bceccfe5caea1454590fa1e5e
SHA512 377c6d0fa502df41fe5dcb5c749423b9618860530ba5b3d3d99d6b9e023670900e5440f1ff7f151d0ebc69c8e125e99eaf514609541aa8870df5ec6bb5754fdd
SSDEEP 192:e9pOyP6g3tYcC0z8YRvohB+4WRlPmYRkiN7cuyK+slH9gN8wYL/XFk:efOyP6+tYyzpQw4QlO8N4nKrH9DzL/F
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

upx

Malware Config

Signatures

Downloads MZ/PE file

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-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation	DortChecker.exe

Executes dropped EXE 1 IoCs

pid	Process
4864	porn.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x00090000000235e4-6.dat	upx
behavioral2/memory/4864-10-0x0000000000200000-0x00000000013D0000-memory.dmp	upx
behavioral2/memory/4864-12-0x0000000000200000-0x00000000013D0000-memory.dmp	upx

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4148	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
752	DortChecker.exe
752	DortChecker.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

description	pid	Process
Token: SeDebugPrivilege	752	DortChecker.exe
Token: SeDebugPrivilege	4864	porn.exe
Token: SeIncreaseQuotaPrivilege	4940	wmic.exe
Token: SeSecurityPrivilege	4940	wmic.exe
Token: SeTakeOwnershipPrivilege	4940	wmic.exe
Token: SeLoadDriverPrivilege	4940	wmic.exe
Token: SeSystemProfilePrivilege	4940	wmic.exe
Token: SeSystemtimePrivilege	4940	wmic.exe
Token: SeProfSingleProcessPrivilege	4940	wmic.exe
Token: SeIncBasePriorityPrivilege	4940	wmic.exe
Token: SeCreatePagefilePrivilege	4940	wmic.exe
Token: SeBackupPrivilege	4940	wmic.exe
Token: SeRestorePrivilege	4940	wmic.exe
Token: SeShutdownPrivilege	4940	wmic.exe
Token: SeDebugPrivilege	4940	wmic.exe
Token: SeSystemEnvironmentPrivilege	4940	wmic.exe
Token: SeRemoteShutdownPrivilege	4940	wmic.exe
Token: SeUndockPrivilege	4940	wmic.exe
Token: SeManageVolumePrivilege	4940	wmic.exe
Token: 33	4940	wmic.exe
Token: 34	4940	wmic.exe
Token: 35	4940	wmic.exe
Token: 36	4940	wmic.exe
Token: SeIncreaseQuotaPrivilege	4940	wmic.exe
Token: SeSecurityPrivilege	4940	wmic.exe
Token: SeTakeOwnershipPrivilege	4940	wmic.exe
Token: SeLoadDriverPrivilege	4940	wmic.exe
Token: SeSystemProfilePrivilege	4940	wmic.exe
Token: SeSystemtimePrivilege	4940	wmic.exe
Token: SeProfSingleProcessPrivilege	4940	wmic.exe
Token: SeIncBasePriorityPrivilege	4940	wmic.exe
Token: SeCreatePagefilePrivilege	4940	wmic.exe
Token: SeBackupPrivilege	4940	wmic.exe
Token: SeRestorePrivilege	4940	wmic.exe
Token: SeShutdownPrivilege	4940	wmic.exe
Token: SeDebugPrivilege	4940	wmic.exe
Token: SeSystemEnvironmentPrivilege	4940	wmic.exe
Token: SeRemoteShutdownPrivilege	4940	wmic.exe
Token: SeUndockPrivilege	4940	wmic.exe
Token: SeManageVolumePrivilege	4940	wmic.exe
Token: 33	4940	wmic.exe
Token: 34	4940	wmic.exe
Token: 35	4940	wmic.exe
Token: 36	4940	wmic.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 752 wrote to memory of 3564	752	DortChecker.exe	93
PID 752 wrote to memory of 3564	752	DortChecker.exe	93
PID 752 wrote to memory of 3564	752	DortChecker.exe	93
PID 3564 wrote to memory of 4012	3564	cmd.exe	95
PID 3564 wrote to memory of 4012	3564	cmd.exe	95
PID 3564 wrote to memory of 4012	3564	cmd.exe	95
PID 752 wrote to memory of 4864	752	DortChecker.exe	97
PID 752 wrote to memory of 4864	752	DortChecker.exe	97
PID 752 wrote to memory of 2572	752	DortChecker.exe	98
PID 752 wrote to memory of 2572	752	DortChecker.exe	98
PID 752 wrote to memory of 2572	752	DortChecker.exe	98
PID 2572 wrote to memory of 4148	2572	cmd.exe	100
PID 2572 wrote to memory of 4148	2572	cmd.exe	100
PID 2572 wrote to memory of 4148	2572	cmd.exe	100
PID 4864 wrote to memory of 4940	4864	porn.exe	101
PID 4864 wrote to memory of 4940	4864	porn.exe	101

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4012	attrib.exe

C:\Users\Admin\AppData\Local\Temp\DortChecker.exe
"C:\Users\Admin\AppData\Local\Temp\DortChecker.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:752
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /c attrib +h "C:\Users\Admin\AppData\Roaming\porn.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3564
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h "C:\Users\Admin\AppData\Roaming\porn.exe"
    3⤵
    - Views/modifies file attributes
    PID:4012
- C:\Users\Admin\AppData\Roaming\porn.exe
  "C:\Users\Admin\AppData\Roaming\porn.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4864
- - C:\Windows\System32\Wbem\wmic.exe
    wmic csproduct get UUID
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4940
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c timeout /t 1 && DEL /f DortChecker.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2572
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 1
    3⤵
    - Delays execution with timeout.exe
    PID:4148

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3812,i,11751898164297348119,13021661521765644467,262144 --variations-seed-version --mojo-platform-channel-handle=4184 /prefetch:8
1⤵
PID:1792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

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

porn.exe

Path C:\Users\Admin\AppData\Roaming\porn.exe
Size 4.9MB
SHA256 75fc49ea6af2338580e20b1ac25ebfc26c8a290f8cb29aa80f1a3a6d89d95a5e
MD5 ebfeb52ca8329ec9700ef33c7b5ff39a
SHA1 c0d5d52c2d2b68e9fec52ec59270e6bfa5582c0e
SHA512 ce4c0c9850976d82f1bb477bed51515210de2377ecf26dee8a3793dc56cc9748072674f1c5c00aa9d69b3e85a43dc3c6633d05ddbc7b284eddda4b8c24f9be15
SSDEEP 98304:1wr8Q2j5v/h96vV4OC5z9FoXCSW6ME0uy2UAjvpqEFwZnJlGKY:08lj5vmv2z9wk6MNtCjRlw3
MD5 SHA1 SHA512 SSDEEP

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memory/752-0-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

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memory/752-1-0x0000000000800000-0x000000000080A000-memory.dmp

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memory/752-2-0x0000000005120000-0x0000000005186000-memory.dmp

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memory/752-3-0x0000000005AD0000-0x0000000006074000-memory.dmp

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memory/752-4-0x0000000074C70000-0x0000000075420000-memory.dmp

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memory/752-9-0x0000000074C70000-0x0000000075420000-memory.dmp

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memory/4864-10-0x0000000000200000-0x00000000013D0000-memory.dmp

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memory/4864-12-0x0000000000200000-0x00000000013D0000-memory.dmp

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