bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99

Analysis

max time kernel
161s
max time network
129s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
12-10-2022 15:21

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General

Target

bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe
Size

428KB
MD5

63e06eec91e9cf076b1651ba4cabc4e0
SHA1

e2a883452b11b3b8c20b1d89a15a23f0725d4efe
SHA256

bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99
SHA512

d88174eabe845ecb7823771beb7b064f39049d50bb86e3f9db2a6a434a6d430f22b8baab5316cd3a95f853839ec3c8e587959acfc2bd9ed9a34d0f600c760831
SSDEEP

12288:huMwcBi8vvrHxVPKyv2m77sZB07FxObO32v:hHwd8vrx52t07FQaa

Score

8^/10

persistence upx

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe"	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe"	explorer.exe

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{VQ45A81M-X35S-5E42-GD7L-4BFC3HCS57AG}	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{VQ45A81M-X35S-5E42-GD7L-4BFC3HCS57AG}\StubPath = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe"	explorer.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/872-56-0x0000000010410000-0x0000000010480000-memory.dmp	upx
behavioral1/memory/872-65-0x0000000010480000-0x00000000104F0000-memory.dmp	upx
behavioral1/memory/1584-70-0x0000000010480000-0x00000000104F0000-memory.dmp	upx
behavioral1/memory/1584-72-0x0000000010480000-0x00000000104F0000-memory.dmp	upx
behavioral1/memory/872-74-0x00000000104F0000-0x0000000010560000-memory.dmp	upx
behavioral1/memory/872-83-0x0000000010560000-0x00000000105D0000-memory.dmp	upx
behavioral1/memory/1700-88-0x0000000010560000-0x00000000105D0000-memory.dmp	upx
behavioral1/memory/1700-89-0x0000000010560000-0x00000000105D0000-memory.dmp	upx
behavioral1/memory/1700-90-0x0000000010560000-0x00000000105D0000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1700	explorer.exe
Token: SeDebugPrivilege	1700	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16
PID 872 wrote to memory of 1264	872	bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe	16

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1264
- C:\Users\Admin\AppData\Local\Temp\bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe
  "C:\Users\Admin\AppData\Local\Temp\bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe"
  2⤵
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:872
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - Adds policy Run key to start application
    - Modifies Installed Components in the registry
    PID:1584
  - - C:\Users\Admin\AppData\Local\Temp\bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe
      "C:\Users\Admin\AppData\Local\Temp\bc441960140a72b2453ecbe4eb7f7e0a3dbd409459a9684ef24aad58688c0f99.exe"
      4⤵
      PID:572
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:1716
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1700

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Admin2.txt

Filesize
385KB

MD5
aaa04bec9579df501fba9319f2ae0aaa

SHA1
fa8c3d0992e2d8ba391d85f26282b9475f72c712

SHA256
b35634325b4f568eda77f352ad183b2cbad3ef0c4228f49d5003f8ceec493ea4

SHA512
585d46133b65c690fa309296bf0096cc7bee0aac477314ca0ec2e235ba3a7a81beedeccb9c38b731773ee051e46e5057833d0a395c23410b9e1aaa3c55fde6e5

Download Submit
memory/872-74-0x00000000104F0000-0x0000000010560000-memory.dmp

Filesize
448KB

Download
memory/872-56-0x0000000010410000-0x0000000010480000-memory.dmp

Filesize
448KB

Download
memory/872-83-0x0000000010560000-0x00000000105D0000-memory.dmp

Filesize
448KB

Download
memory/872-54-0x00000000764D1000-0x00000000764D3000-memory.dmp

Filesize
8KB

Download
memory/872-65-0x0000000010480000-0x00000000104F0000-memory.dmp

Filesize
448KB

Download
memory/1264-59-0x0000000010410000-0x0000000010480000-memory.dmp

Filesize
448KB

Download
memory/1584-64-0x0000000074D91000-0x0000000074D93000-memory.dmp

Filesize
8KB

Download
memory/1584-72-0x0000000010480000-0x00000000104F0000-memory.dmp

Filesize
448KB

Download
memory/1584-70-0x0000000010480000-0x00000000104F0000-memory.dmp

Filesize
448KB

Download
memory/1700-88-0x0000000010560000-0x00000000105D0000-memory.dmp

Filesize
448KB

Download
memory/1700-89-0x0000000010560000-0x00000000105D0000-memory.dmp

Filesize
448KB

Download
memory/1700-90-0x0000000010560000-0x00000000105D0000-memory.dmp

Filesize
448KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads