91d06d2d904679f3af027c10b8a31a4e03257d3dfdaf741dcf5d3fb0d0f28f48

Analysis

max time kernel
192s
max time network
200s
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, 21:09

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General

Target

91d06d2d904679f3af027c10b8a31a4e03257d3dfdaf741dcf5d3fb0d0f28f48.exe
Size

5.2MB
MD5

316dd6a0a1eb3fa8eb6708ff2763535f
SHA1

e7ba5b9b6f1bcf557cc0b9e0d441da0433c046ec
SHA256

91d06d2d904679f3af027c10b8a31a4e03257d3dfdaf741dcf5d3fb0d0f28f48
SHA512

311925c3e4e8a217cb6a0bef35886d90e72bdcedf14912fbcb4e332c657e78365c7bfccc129e7e1ac7d36ef8398caf97ebffad46f1c6d84f14c1e3af563d52bc
SSDEEP

98304:5LeYcsWqmiYwlTcLS56umnOhMc6nUxvDTB5iyZsicNl6i2PQvVwQ3k7NE0TsUaJB:0M/NGymnOhM1Uxv/3iyZsic9nVD3sGO2

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/0x000600000002316a-137.dat	acprotect
behavioral2/files/0x000600000002316a-138.dat	acprotect

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000600000002316a-137.dat	upx
behavioral2/files/0x000600000002316a-138.dat	upx

Loads dropped DLL 2 IoCs

pid	Process
4912	91d06d2d904679f3af027c10b8a31a4e03257d3dfdaf741dcf5d3fb0d0f28f48.exe
4912	91d06d2d904679f3af027c10b8a31a4e03257d3dfdaf741dcf5d3fb0d0f28f48.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5108 set thread context of 4912	5108	91d06d2d904679f3af027c10b8a31a4e03257d3dfdaf741dcf5d3fb0d0f28f48.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
4912	91d06d2d904679f3af027c10b8a31a4e03257d3dfdaf741dcf5d3fb0d0f28f48.exe
4912	91d06d2d904679f3af027c10b8a31a4e03257d3dfdaf741dcf5d3fb0d0f28f48.exe
4912	91d06d2d904679f3af027c10b8a31a4e03257d3dfdaf741dcf5d3fb0d0f28f48.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5108 wrote to memory of 4912	5108	91d06d2d904679f3af027c10b8a31a4e03257d3dfdaf741dcf5d3fb0d0f28f48.exe	83
PID 5108 wrote to memory of 4912	5108	91d06d2d904679f3af027c10b8a31a4e03257d3dfdaf741dcf5d3fb0d0f28f48.exe	83
PID 5108 wrote to memory of 4912	5108	91d06d2d904679f3af027c10b8a31a4e03257d3dfdaf741dcf5d3fb0d0f28f48.exe	83
PID 5108 wrote to memory of 4912	5108	91d06d2d904679f3af027c10b8a31a4e03257d3dfdaf741dcf5d3fb0d0f28f48.exe	83
PID 5108 wrote to memory of 4912	5108	91d06d2d904679f3af027c10b8a31a4e03257d3dfdaf741dcf5d3fb0d0f28f48.exe	83

C:\Users\Admin\AppData\Local\Temp\91d06d2d904679f3af027c10b8a31a4e03257d3dfdaf741dcf5d3fb0d0f28f48.exe
"C:\Users\Admin\AppData\Local\Temp\91d06d2d904679f3af027c10b8a31a4e03257d3dfdaf741dcf5d3fb0d0f28f48.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5108
- C:\Users\Admin\AppData\Local\Temp\91d06d2d904679f3af027c10b8a31a4e03257d3dfdaf741dcf5d3fb0d0f28f48.exe
  "C:\Users\Admin\AppData\Local\Temp\91d06d2d904679f3af027c10b8a31a4e03257d3dfdaf741dcf5d3fb0d0f28f48.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  PID:4912

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\{99562416-87CD-45ED-BFF6-67052A9B6B73}.dll

Filesize
120KB

MD5
c9f333d1ff898672a34805f94a265329

SHA1
2deaac66698fb2e9b3868d23034c3211c508b739

SHA256
07e546811635574c77edfda126b0e5f5292b4ea13f35158eddedcfc3cbf74b6b

SHA512
048c71e48e2def0bfc69ebfb69b834d650a9377082782333f50728fdfd6675df8093d0c87e606022e55d09f81549d4ca3b640bcdd33b9ddc9aace03ee1466add

Download Submit
C:\Users\Admin\AppData\Local\Temp\{99562416-87CD-45ED-BFF6-67052A9B6B73}.dll

Filesize
120KB

MD5
c9f333d1ff898672a34805f94a265329

SHA1
2deaac66698fb2e9b3868d23034c3211c508b739

SHA256
07e546811635574c77edfda126b0e5f5292b4ea13f35158eddedcfc3cbf74b6b

SHA512
048c71e48e2def0bfc69ebfb69b834d650a9377082782333f50728fdfd6675df8093d0c87e606022e55d09f81549d4ca3b640bcdd33b9ddc9aace03ee1466add

Download Submit
memory/4912-134-0x0000000000400000-0x00000000005A3000-memory.dmp

Filesize
1.6MB

Download
memory/4912-135-0x0000000000400000-0x00000000005A3000-memory.dmp

Filesize
1.6MB

Download
memory/4912-133-0x0000000000400000-0x00000000005A3000-memory.dmp

Filesize
1.6MB

Download
memory/4912-136-0x0000000000400000-0x00000000005A3000-memory.dmp

Filesize
1.6MB

Download
memory/4912-139-0x0000000000400000-0x00000000005A3000-memory.dmp

Filesize
1.6MB

Download
memory/4912-140-0x0000000008E70000-0x0000000008ECB000-memory.dmp

Filesize
364KB

Download