caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6

Analysis

max time kernel
151s
max time network
198s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
01-12-2022 08:15

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General

Target

caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6.exe
Size

5.7MB
MD5

f641a0beea8aef03213177687cfed1c1
SHA1

73eea33735ff887e683ed2229563eacacc97ae9c
SHA256

caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6
SHA512

8b6c325c0008e02205b6af68b549e22b9c8ceadaa12dfc9b51770896673fab4b31b9d1bc7a31cbf2f42fe08138a320e2d9cdba29f67a64eb42b764f3e60b56d2
SSDEEP

49152:xVqgdofdpPGQiB9NaVqgdofdpPGQiB9NaVqgdofdpPGQiB9NaVajDRzuWHv/ZxEu:VpzznjQIpqW/jnzZ3Vr

Score

9^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0006000000023178-136.dat	acprotect
behavioral2/files/0x0006000000023178-137.dat	acprotect

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0006000000023178-136.dat	upx
behavioral2/files/0x0006000000023178-137.dat	upx

Loads dropped DLL 2 IoCs

pid	Process
3636	caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6.exe
3636	caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4124 set thread context of 3636	4124	caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6.exe	83

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 SetWindowsHookEx 3 IoCs

pid	Process
3636	caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6.exe
3636	caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6.exe
3636	caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4124 wrote to memory of 3636	4124	caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6.exe	83
PID 4124 wrote to memory of 3636	4124	caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6.exe	83
PID 4124 wrote to memory of 3636	4124	caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6.exe	83
PID 4124 wrote to memory of 3636	4124	caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6.exe	83
PID 4124 wrote to memory of 3636	4124	caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6.exe	83
PID 4124 wrote to memory of 3636	4124	caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6.exe	83
PID 4124 wrote to memory of 3636	4124	caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6.exe	83
PID 4124 wrote to memory of 3636	4124	caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6.exe	83
PID 4124 wrote to memory of 3636	4124	caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6.exe	83
PID 4124 wrote to memory of 3636	4124	caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6.exe	83
PID 4124 wrote to memory of 3636	4124	caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6.exe	83
PID 4124 wrote to memory of 3636	4124	caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6.exe	83
PID 4124 wrote to memory of 3636	4124	caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6.exe	83
PID 4124 wrote to memory of 3636	4124	caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6.exe	83

C:\Users\Admin\AppData\Local\Temp\caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6.exe
"C:\Users\Admin\AppData\Local\Temp\caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4124
- C:\Users\Admin\AppData\Local\Temp\caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6.exe
  C:\Users\Admin\AppData\Local\Temp\caf845ac01d3fca9ffd1ef64db0206af5ee882db991f667abf04f9fbe3b461e6.exe
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  PID:3636

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\{0EA913FF-A0E0-4CAF-A1A9-3EF37512D437}.dll

Filesize
120KB

MD5
c9f333d1ff898672a34805f94a265329

SHA1
2deaac66698fb2e9b3868d23034c3211c508b739

SHA256
07e546811635574c77edfda126b0e5f5292b4ea13f35158eddedcfc3cbf74b6b

SHA512
048c71e48e2def0bfc69ebfb69b834d650a9377082782333f50728fdfd6675df8093d0c87e606022e55d09f81549d4ca3b640bcdd33b9ddc9aace03ee1466add

Download Submit
C:\Users\Admin\AppData\Local\Temp\{0EA913FF-A0E0-4CAF-A1A9-3EF37512D437}.dll

Filesize
120KB

MD5
c9f333d1ff898672a34805f94a265329

SHA1
2deaac66698fb2e9b3868d23034c3211c508b739

SHA256
07e546811635574c77edfda126b0e5f5292b4ea13f35158eddedcfc3cbf74b6b

SHA512
048c71e48e2def0bfc69ebfb69b834d650a9377082782333f50728fdfd6675df8093d0c87e606022e55d09f81549d4ca3b640bcdd33b9ddc9aace03ee1466add

Download Submit
memory/3636-132-0x0000000000000000-mapping.dmp

Download
memory/3636-133-0x0000000000400000-0x0000000000560000-memory.dmp

Filesize
1.4MB

Download
memory/3636-134-0x0000000000400000-0x0000000000560000-memory.dmp

Filesize
1.4MB

Download
memory/3636-135-0x0000000000400000-0x0000000000560000-memory.dmp

Filesize
1.4MB

Download
memory/3636-138-0x0000000004780000-0x00000000047DB000-memory.dmp

Filesize
364KB

Download