995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1

Analysis

max time kernel
90s
max time network
158s
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, 16:44

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General

Target

995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1.exe
Size

8.2MB
MD5

be12dd44ca9da742be55b5095b62da01
SHA1

680f17bb80e3b53e86003253741d0cc96b38d461
SHA256

995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1
SHA512

7c4fb9d8a49e810f4308e2d323852cce389b1e2b276702c59883fa567e87c6826e9703ecbb45951522a6d08f88d0294f204911ae34f5f97eeab3aadebb340b79
SSDEEP

98304:rjy0pSYCIhGpcReKhipQjrIr7KFreCU0S8xuYxA0AoJc:rjhgrkYQjrlzLS2A3oJc

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/0x0001000000022df1-136.dat	acprotect
behavioral2/files/0x0001000000022df1-137.dat	acprotect

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0001000000022df1-136.dat	upx
behavioral2/files/0x0001000000022df1-137.dat	upx

Loads dropped DLL 2 IoCs

pid	Process
1748	995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1.exe
1748	995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1316 set thread context of 1748	1316	995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1.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
1748	995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1.exe
1748	995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1.exe
1748	995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1316 wrote to memory of 1748	1316	995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1.exe	83
PID 1316 wrote to memory of 1748	1316	995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1.exe	83
PID 1316 wrote to memory of 1748	1316	995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1.exe	83
PID 1316 wrote to memory of 1748	1316	995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1.exe	83
PID 1316 wrote to memory of 1748	1316	995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1.exe	83
PID 1316 wrote to memory of 1748	1316	995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1.exe	83
PID 1316 wrote to memory of 1748	1316	995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1.exe	83
PID 1316 wrote to memory of 1748	1316	995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1.exe	83
PID 1316 wrote to memory of 1748	1316	995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1.exe	83
PID 1316 wrote to memory of 1748	1316	995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1.exe	83
PID 1316 wrote to memory of 1748	1316	995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1.exe	83
PID 1316 wrote to memory of 1748	1316	995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1.exe	83
PID 1316 wrote to memory of 1748	1316	995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1.exe	83
PID 1316 wrote to memory of 1748	1316	995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1.exe	83
PID 1316 wrote to memory of 1748	1316	995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1.exe	83

C:\Users\Admin\AppData\Local\Temp\995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1.exe
"C:\Users\Admin\AppData\Local\Temp\995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1316
- C:\Users\Admin\AppData\Local\Temp\995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1.exe
  "C:\Users\Admin\AppData\Local\Temp\995f8bfbffa7b0b5ef27be367221e45a2f58883b88cec209f21fadb67b8c43d1.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  PID:1748

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\{0DF761D6-A033-448A-AAE9-0CAA98187261}.dll

Filesize
120KB

MD5
c9f333d1ff898672a34805f94a265329

SHA1
2deaac66698fb2e9b3868d23034c3211c508b739

SHA256
07e546811635574c77edfda126b0e5f5292b4ea13f35158eddedcfc3cbf74b6b

SHA512
048c71e48e2def0bfc69ebfb69b834d650a9377082782333f50728fdfd6675df8093d0c87e606022e55d09f81549d4ca3b640bcdd33b9ddc9aace03ee1466add

Download Submit
C:\Users\Admin\AppData\Local\Temp\{0DF761D6-A033-448A-AAE9-0CAA98187261}.dll

Filesize
120KB

MD5
c9f333d1ff898672a34805f94a265329

SHA1
2deaac66698fb2e9b3868d23034c3211c508b739

SHA256
07e546811635574c77edfda126b0e5f5292b4ea13f35158eddedcfc3cbf74b6b

SHA512
048c71e48e2def0bfc69ebfb69b834d650a9377082782333f50728fdfd6675df8093d0c87e606022e55d09f81549d4ca3b640bcdd33b9ddc9aace03ee1466add

Download Submit
memory/1748-133-0x0000000000400000-0x000000000055D000-memory.dmp

Filesize
1.4MB

Download
memory/1748-134-0x0000000000400000-0x000000000055D000-memory.dmp

Filesize
1.4MB

Download
memory/1748-135-0x0000000000400000-0x000000000055D000-memory.dmp

Filesize
1.4MB

Download
memory/1748-138-0x0000000005090000-0x00000000050EB000-memory.dmp

Filesize
364KB

Download