81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf

General

Target

81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf.exe
Size

4.6MB
MD5

f6c9b8950bc7a9fa3eff657265f91be4
SHA1

b2b4d2bf154b6f1739bb4fc4edddd98e351c9ceb
SHA256

81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf
SHA512

3b4f4fdea896a559ce2e7e1e6fb146f4a408e1d1718a3678b74b5c81700f1c27622e5fa7e5abbf9ec0fe402983c7efb0f1ece54314be74d96dcdf6319537fbc0
SSDEEP

98304:X6z/x0E2drcIEzKjN2CC+A0ZUSDI2sR6z/x0E2drcIEzKjN2CC+A0ZUSDI2sR6zz:X6zqpEOjNDC+dUSo6zqpEOjNDC+dUSo+

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/0x000200000001e72a-138.dat	acprotect
behavioral2/files/0x000200000001e72a-139.dat	acprotect

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000200000001e72a-138.dat	upx
behavioral2/files/0x000200000001e72a-139.dat	upx

Loads dropped DLL 2 IoCs

pid	Process
3204	81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf.exe
3204	81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2268 set thread context of 3204	2268	81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf.exe	80

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
3204	81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf.exe
3204	81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf.exe
3204	81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 3204	2268	81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf.exe	80
PID 2268 wrote to memory of 3204	2268	81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf.exe	80
PID 2268 wrote to memory of 3204	2268	81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf.exe	80
PID 2268 wrote to memory of 3204	2268	81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf.exe	80
PID 2268 wrote to memory of 3204	2268	81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf.exe	80
PID 2268 wrote to memory of 3204	2268	81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf.exe	80
PID 2268 wrote to memory of 3204	2268	81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf.exe	80
PID 2268 wrote to memory of 3204	2268	81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf.exe	80
PID 2268 wrote to memory of 3204	2268	81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf.exe	80
PID 2268 wrote to memory of 3204	2268	81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf.exe	80
PID 2268 wrote to memory of 3204	2268	81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf.exe	80
PID 2268 wrote to memory of 3204	2268	81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf.exe	80
PID 2268 wrote to memory of 3204	2268	81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf.exe	80
PID 2268 wrote to memory of 3204	2268	81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf.exe	80
PID 2268 wrote to memory of 3204	2268	81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf.exe	80

C:\Users\Admin\AppData\Local\Temp\81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf.exe
"C:\Users\Admin\AppData\Local\Temp\81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Users\Admin\AppData\Local\Temp\81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf.exe
  "C:\Users\Admin\AppData\Local\Temp\81b575f178c99a2c94e12ac3ef263eae673e09e2cc315af1154d04718f0f0caf.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  PID:3204

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\{A695215D-B088-44E9-8C35-E08041993ABE}.dll

Filesize
120KB

MD5
c9f333d1ff898672a34805f94a265329

SHA1
2deaac66698fb2e9b3868d23034c3211c508b739

SHA256
07e546811635574c77edfda126b0e5f5292b4ea13f35158eddedcfc3cbf74b6b

SHA512
048c71e48e2def0bfc69ebfb69b834d650a9377082782333f50728fdfd6675df8093d0c87e606022e55d09f81549d4ca3b640bcdd33b9ddc9aace03ee1466add

Download Submit
C:\Users\Admin\AppData\Local\Temp\{A695215D-B088-44E9-8C35-E08041993ABE}.dll

Filesize
120KB

MD5
c9f333d1ff898672a34805f94a265329

SHA1
2deaac66698fb2e9b3868d23034c3211c508b739

SHA256
07e546811635574c77edfda126b0e5f5292b4ea13f35158eddedcfc3cbf74b6b

SHA512
048c71e48e2def0bfc69ebfb69b834d650a9377082782333f50728fdfd6675df8093d0c87e606022e55d09f81549d4ca3b640bcdd33b9ddc9aace03ee1466add

Download Submit
memory/3204-132-0x0000000000000000-mapping.dmp

Download
memory/3204-133-0x0000000000400000-0x000000000055D000-memory.dmp

Filesize
1.4MB

Download
memory/3204-134-0x0000000000400000-0x000000000055D000-memory.dmp

Filesize
1.4MB

Download
memory/3204-135-0x0000000000400000-0x000000000055D000-memory.dmp

Filesize
1.4MB

Download
memory/3204-136-0x0000000000400000-0x000000000055D000-memory.dmp

Filesize
1.4MB

Download
memory/3204-137-0x0000000000400000-0x000000000055D000-memory.dmp

Filesize
1.4MB

Download
memory/3204-140-0x0000000005080000-0x00000000050DB000-memory.dmp

Filesize
364KB

Download

Analysis

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