9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 20:19

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General

Target

9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Size

345KB
MD5

e193722377cdbb687c0da7722ea33e60
SHA1

af35e2e491ce8d43fa2b16c440459fc1ea64a21b
SHA256

9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8
SHA512

45a4a725ac91f3a456f24dd11bba30c3fbc024f4a5f649ff21b075e1c543d1ef2a4a96acc8148ae344a25917e4c9f3e6053964b8d8b2c9c9d25d571e8b603508
SSDEEP

6144:KK1q2EwaBN8mbcZw0a9BW+ztI/RTuX+KftJk5QPo9jBoiYe+1jJ92iKU:Lq2E5QZhigRuft+QPo9Ra1j/2zU

Score

8^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1364	svchost.exe
2560	svchost.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4980-136-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/4980-137-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/4980-139-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/4980-140-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/4980-141-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/4980-142-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/4980-147-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2560-157-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2560-156-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2560-158-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2560-159-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/2560-160-0x0000000000400000-0x00000000004C5000-memory.dmp	upx

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	svchost.exe

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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Svchost = "C:\\system\\svchost.exe"	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4868 set thread context of 4980	4868	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe	82
PID 1364 set thread context of 2560	1364	svchost.exe	84

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	svchost.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	svchost.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Token: SeSecurityPrivilege	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Token: SeTakeOwnershipPrivilege	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Token: SeLoadDriverPrivilege	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Token: SeSystemProfilePrivilege	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Token: SeSystemtimePrivilege	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Token: SeProfSingleProcessPrivilege	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Token: SeIncBasePriorityPrivilege	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Token: SeCreatePagefilePrivilege	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Token: SeBackupPrivilege	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Token: SeRestorePrivilege	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Token: SeShutdownPrivilege	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Token: SeDebugPrivilege	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Token: SeSystemEnvironmentPrivilege	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Token: SeChangeNotifyPrivilege	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Token: SeRemoteShutdownPrivilege	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Token: SeUndockPrivilege	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Token: SeManageVolumePrivilege	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Token: SeImpersonatePrivilege	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Token: SeCreateGlobalPrivilege	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Token: 33	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Token: 34	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Token: 35	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Token: 36	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
Token: SeIncreaseQuotaPrivilege	2560	svchost.exe
Token: SeSecurityPrivilege	2560	svchost.exe
Token: SeTakeOwnershipPrivilege	2560	svchost.exe
Token: SeLoadDriverPrivilege	2560	svchost.exe
Token: SeSystemProfilePrivilege	2560	svchost.exe
Token: SeSystemtimePrivilege	2560	svchost.exe
Token: SeProfSingleProcessPrivilege	2560	svchost.exe
Token: SeIncBasePriorityPrivilege	2560	svchost.exe
Token: SeCreatePagefilePrivilege	2560	svchost.exe
Token: SeBackupPrivilege	2560	svchost.exe
Token: SeRestorePrivilege	2560	svchost.exe
Token: SeShutdownPrivilege	2560	svchost.exe
Token: SeDebugPrivilege	2560	svchost.exe
Token: SeSystemEnvironmentPrivilege	2560	svchost.exe
Token: SeChangeNotifyPrivilege	2560	svchost.exe
Token: SeRemoteShutdownPrivilege	2560	svchost.exe
Token: SeUndockPrivilege	2560	svchost.exe
Token: SeManageVolumePrivilege	2560	svchost.exe
Token: SeImpersonatePrivilege	2560	svchost.exe
Token: SeCreateGlobalPrivilege	2560	svchost.exe
Token: 33	2560	svchost.exe
Token: 34	2560	svchost.exe
Token: 35	2560	svchost.exe
Token: 36	2560	svchost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4868	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
1364	svchost.exe
2560	svchost.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4868 wrote to memory of 4980	4868	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe	82
PID 4868 wrote to memory of 4980	4868	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe	82
PID 4868 wrote to memory of 4980	4868	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe	82
PID 4868 wrote to memory of 4980	4868	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe	82
PID 4868 wrote to memory of 4980	4868	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe	82
PID 4868 wrote to memory of 4980	4868	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe	82
PID 4868 wrote to memory of 4980	4868	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe	82
PID 4868 wrote to memory of 4980	4868	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe	82
PID 4980 wrote to memory of 1364	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe	83
PID 4980 wrote to memory of 1364	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe	83
PID 4980 wrote to memory of 1364	4980	9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe	83
PID 1364 wrote to memory of 2560	1364	svchost.exe	84
PID 1364 wrote to memory of 2560	1364	svchost.exe	84
PID 1364 wrote to memory of 2560	1364	svchost.exe	84
PID 1364 wrote to memory of 2560	1364	svchost.exe	84
PID 1364 wrote to memory of 2560	1364	svchost.exe	84
PID 1364 wrote to memory of 2560	1364	svchost.exe	84
PID 1364 wrote to memory of 2560	1364	svchost.exe	84
PID 1364 wrote to memory of 2560	1364	svchost.exe	84

C:\Users\Admin\AppData\Local\Temp\9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
"C:\Users\Admin\AppData\Local\Temp\9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4868
- C:\Users\Admin\AppData\Local\Temp\9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8.exe
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4980
- - C:\system\svchost.exe
    "C:\system\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1364
  - - C:\system\svchost.exe
      4⤵
      Executes dropped EXE
      Checks BIOS information in registry
      Adds Run key to start application
      Checks processor information in registry
      Enumerates system info in registry
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2560

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\system\svchost.exe

Filesize
345KB

MD5
e193722377cdbb687c0da7722ea33e60

SHA1
af35e2e491ce8d43fa2b16c440459fc1ea64a21b

SHA256
9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8

SHA512
45a4a725ac91f3a456f24dd11bba30c3fbc024f4a5f649ff21b075e1c543d1ef2a4a96acc8148ae344a25917e4c9f3e6053964b8d8b2c9c9d25d571e8b603508

Download Submit
C:\system\svchost.exe

Filesize
345KB

MD5
e193722377cdbb687c0da7722ea33e60

SHA1
af35e2e491ce8d43fa2b16c440459fc1ea64a21b

SHA256
9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8

SHA512
45a4a725ac91f3a456f24dd11bba30c3fbc024f4a5f649ff21b075e1c543d1ef2a4a96acc8148ae344a25917e4c9f3e6053964b8d8b2c9c9d25d571e8b603508

Download Submit
C:\system\svchost.exe

Filesize
345KB

MD5
e193722377cdbb687c0da7722ea33e60

SHA1
af35e2e491ce8d43fa2b16c440459fc1ea64a21b

SHA256
9c4b9fc6c591d206c443b33c6851fbc2533c824335ae9c89174328f2d52122d8

SHA512
45a4a725ac91f3a456f24dd11bba30c3fbc024f4a5f649ff21b075e1c543d1ef2a4a96acc8148ae344a25917e4c9f3e6053964b8d8b2c9c9d25d571e8b603508

Download Submit
memory/1364-154-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1364-149-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2560-160-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2560-159-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2560-158-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2560-156-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2560-157-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/4868-138-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4868-132-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4980-142-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/4980-147-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/4980-136-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/4980-137-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/4980-141-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/4980-140-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/4980-139-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads