8c473bf936fd8076a2330dbc420ed96b96a6169f747aab0129705e1d4e57309d

Analysis

max time kernel
91s
max time network
96s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
19-09-2024 05:47

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General

Target

dropper.exe
Size

33.5MB
MD5

5e84cd460ac5eb9ee72dd2f831297b52
SHA1

17960e740ac5596b5025ab0515383df0db3b8753
SHA256

8c473bf936fd8076a2330dbc420ed96b96a6169f747aab0129705e1d4e57309d
SHA512

c670120cea8eef9ff2f017e1d13470774a155cbc5e47877adf45ed37a91afa89eee6903fd7b848d99a5cd0aed4c5619541928ea0ed63caeb866c0a68ca1a14de
SSDEEP

786432:lkghL+KScDz/3G5qz0dwUOA9ZCVgQKwWCIPwUT49Zf3/b:agB7Db25qz0dQAUgGXIPwbZnb

Score

6^/10

persistence

Malware Config

Signatures

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-1-5-21-3761892313-3378554128-2287991803-1000\Software\Microsoft\Windows\CurrentVersion\Run\loader = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\Windows\\Shell\\loader.bat"	dropper.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3720	wmic.exe
Token: SeSecurityPrivilege	3720	wmic.exe
Token: SeTakeOwnershipPrivilege	3720	wmic.exe
Token: SeLoadDriverPrivilege	3720	wmic.exe
Token: SeSystemProfilePrivilege	3720	wmic.exe
Token: SeSystemtimePrivilege	3720	wmic.exe
Token: SeProfSingleProcessPrivilege	3720	wmic.exe
Token: SeIncBasePriorityPrivilege	3720	wmic.exe
Token: SeCreatePagefilePrivilege	3720	wmic.exe
Token: SeBackupPrivilege	3720	wmic.exe
Token: SeRestorePrivilege	3720	wmic.exe
Token: SeShutdownPrivilege	3720	wmic.exe
Token: SeDebugPrivilege	3720	wmic.exe
Token: SeSystemEnvironmentPrivilege	3720	wmic.exe
Token: SeRemoteShutdownPrivilege	3720	wmic.exe
Token: SeUndockPrivilege	3720	wmic.exe
Token: SeManageVolumePrivilege	3720	wmic.exe
Token: 33	3720	wmic.exe
Token: 34	3720	wmic.exe
Token: 35	3720	wmic.exe
Token: 36	3720	wmic.exe
Token: SeIncreaseQuotaPrivilege	3720	wmic.exe
Token: SeSecurityPrivilege	3720	wmic.exe
Token: SeTakeOwnershipPrivilege	3720	wmic.exe
Token: SeLoadDriverPrivilege	3720	wmic.exe
Token: SeSystemProfilePrivilege	3720	wmic.exe
Token: SeSystemtimePrivilege	3720	wmic.exe
Token: SeProfSingleProcessPrivilege	3720	wmic.exe
Token: SeIncBasePriorityPrivilege	3720	wmic.exe
Token: SeCreatePagefilePrivilege	3720	wmic.exe
Token: SeBackupPrivilege	3720	wmic.exe
Token: SeRestorePrivilege	3720	wmic.exe
Token: SeShutdownPrivilege	3720	wmic.exe
Token: SeDebugPrivilege	3720	wmic.exe
Token: SeSystemEnvironmentPrivilege	3720	wmic.exe
Token: SeRemoteShutdownPrivilege	3720	wmic.exe
Token: SeUndockPrivilege	3720	wmic.exe
Token: SeManageVolumePrivilege	3720	wmic.exe
Token: 33	3720	wmic.exe
Token: 34	3720	wmic.exe
Token: 35	3720	wmic.exe
Token: 36	3720	wmic.exe
Token: SeDebugPrivilege	4716	dropper.exe
Token: SeIncreaseQuotaPrivilege	764	wmic.exe
Token: SeSecurityPrivilege	764	wmic.exe
Token: SeTakeOwnershipPrivilege	764	wmic.exe
Token: SeLoadDriverPrivilege	764	wmic.exe
Token: SeSystemProfilePrivilege	764	wmic.exe
Token: SeSystemtimePrivilege	764	wmic.exe
Token: SeProfSingleProcessPrivilege	764	wmic.exe
Token: SeIncBasePriorityPrivilege	764	wmic.exe
Token: SeCreatePagefilePrivilege	764	wmic.exe
Token: SeBackupPrivilege	764	wmic.exe
Token: SeRestorePrivilege	764	wmic.exe
Token: SeShutdownPrivilege	764	wmic.exe
Token: SeDebugPrivilege	764	wmic.exe
Token: SeSystemEnvironmentPrivilege	764	wmic.exe
Token: SeRemoteShutdownPrivilege	764	wmic.exe
Token: SeUndockPrivilege	764	wmic.exe
Token: SeManageVolumePrivilege	764	wmic.exe
Token: 33	764	wmic.exe
Token: 34	764	wmic.exe
Token: 35	764	wmic.exe
Token: 36	764	wmic.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4716 wrote to memory of 3720	4716	dropper.exe	80
PID 4716 wrote to memory of 3720	4716	dropper.exe	80
PID 4716 wrote to memory of 5068	4716	dropper.exe	83
PID 4716 wrote to memory of 5068	4716	dropper.exe	83
PID 4716 wrote to memory of 2744	4716	dropper.exe	85
PID 4716 wrote to memory of 2744	4716	dropper.exe	85
PID 2172 wrote to memory of 3524	2172	cmd.exe	91
PID 2172 wrote to memory of 3524	2172	cmd.exe	91
PID 3524 wrote to memory of 764	3524	dropper.exe	92
PID 3524 wrote to memory of 764	3524	dropper.exe	92
PID 3524 wrote to memory of 2132	3524	dropper.exe	94
PID 3524 wrote to memory of 2132	3524	dropper.exe	94

C:\Users\Admin\AppData\Local\Temp\dropper.exe
"C:\Users\Admin\AppData\Local\Temp\dropper.exe"
1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4716
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" diskdrive get Model
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3720
- C:\Windows\SYSTEM32\findstr.exe
  "findstr.exe" /i "DADY HARDDISK QEMU HARDDISK WDC WDS100T2B0A"
  2⤵
  PID:5068
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /C "C:\Users\Admin\AppData\Local\Microsoft\Windows\Shell\loader.bat"
  2⤵
  PID:2744

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:1848

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Users\Admin\AppData\Local\Temp\dropper.exe
  dropper.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3524
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" diskdrive get Model
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:764
- - C:\Windows\SYSTEM32\findstr.exe
    "findstr.exe" /i "DADY HARDDISK QEMU HARDDISK WDC WDS100T2B0A"
    3⤵
    PID:2132

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Shell\loader.bat

Filesize
20B

MD5
3f3a41bd8b90767fc6aac3793137c6f3

SHA1
8709a86ed2364a4daf7c443770b1f3fefc6d7529

SHA256
41b9efbeb8fe9a6f96a7ad64edbf1d06a24d5d4574d380191411af3d64614c80

SHA512
7555b2ec9e6b0a2c1eaaff954b0a7d5421f1b5b79b38261d5d5c1d5b41699047a2db2593b679ac454cd5e083508961d5689f5880136faf2470e9219463c37dc8

Download Submit
memory/4716-44-0x000002C69CDF0000-0x000002C69CFF0000-memory.dmp

Filesize
2.0MB

Download
memory/4716-32-0x000002C69A960000-0x000002C69A9A0000-memory.dmp

Filesize
256KB

Download
memory/4716-16-0x000002C6989E0000-0x000002C698A10000-memory.dmp

Filesize
192KB

Download
memory/4716-8-0x0000028603930000-0x0000028603980000-memory.dmp

Filesize
320KB

Download
memory/4716-48-0x000002C69C950000-0x000002C69C990000-memory.dmp

Filesize
256KB

Download
memory/4716-0-0x000002C699720000-0x000002C69A3B0000-memory.dmp

Filesize
12.6MB

Download
memory/4716-20-0x000002C698990000-0x000002C6989B0000-memory.dmp

Filesize
128KB

Download
memory/4716-12-0x00000286039C0000-0x00000286039E0000-memory.dmp

Filesize
128KB

Download
memory/4716-4-0x0000028601EF0000-0x0000028601F20000-memory.dmp

Filesize
192KB

Download
memory/4716-40-0x000002C69CA60000-0x000002C69CB10000-memory.dmp

Filesize
704KB

Download
memory/4716-36-0x000002C69C8E0000-0x000002C69C950000-memory.dmp

Filesize
448KB

Download
memory/4716-56-0x000002C69CFF0000-0x000002C69D040000-memory.dmp

Filesize
320KB

Download
memory/4716-52-0x000002C69CB50000-0x000002C69CB90000-memory.dmp

Filesize
256KB

Download
memory/4716-60-0x000002C69D120000-0x000002C69D1B0000-memory.dmp

Filesize
576KB

Download
memory/4716-29-0x000002C69AB70000-0x000002C69AD20000-memory.dmp

Filesize
1.7MB

Download
memory/4716-24-0x000002C698A30000-0x000002C698A50000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads