7ef2395a9791c9626e17e9b70a6392d700c64d39f3e571851fb1b84ee27e6dea

General

Target

7ef2395a9791c9626e17e9b70a6392d700c64d39f3e571851fb1b84ee27e6dea.exe
Size

3.3MB
MD5

145dbc56a8cea784b75356ed9704cfc3
SHA1

f63160c51bf2d3d21c6d562d3407b2cf731e0336
SHA256

7ef2395a9791c9626e17e9b70a6392d700c64d39f3e571851fb1b84ee27e6dea
SHA512

103c599363e0667f8f853d7ef1f72492ea3b3c6b775b334678ea314e328867f94387b4f8b7d51e915dc45c730a14494125e5efd266f74041c191d8f8cfb127b0
SSDEEP

98304:Da/wJBuOMyFOkoGih1OgggP75af78s/Iz/b:DExOMNxG41ILf78Hzj

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 24 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4104-132-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4104-134-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4104-133-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4104-136-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4104-138-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4104-140-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4104-142-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4104-144-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4104-146-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4104-148-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4104-150-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4104-152-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4104-154-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4104-156-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4104-158-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4104-160-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4104-162-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4104-164-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4104-166-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4104-168-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4104-170-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4104-172-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4104-174-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4104-175-0x0000000010000000-0x000000001003E000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

Processes:

7ef2395a9791c9626e17e9b70a6392d700c64d39f3e571851fb1b84ee27e6dea.exe

description ioc process

File created C:\Windows\SysWOW64\Pastrbyj9.sys 7ef2395a9791c9626e17e9b70a6392d700c64d39f3e571851fb1b84ee27e6dea.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: LoadsDriver 2 IoCs

Processes:

pid process

644
644
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

AUDIODG.EXE

description pid process

Token: 33 212 AUDIODG.EXE
Token: SeIncBasePriorityPrivilege 212 AUDIODG.EXE

description	ioc	process
File created	C:\Windows\SysWOW64\Pastrbyj9.sys	7ef2395a9791c9626e17e9b70a6392d700c64d39f3e571851fb1b84ee27e6dea.exe

pid	process
644
644

description	pid	process
Token: 33	212	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	212	AUDIODG.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

7ef2395a9791c9626e17e9b70a6392d700c64d39f3e571851fb1b84ee27e6dea.exe

pid	process
4104	7ef2395a9791c9626e17e9b70a6392d700c64d39f3e571851fb1b84ee27e6dea.exe
4104	7ef2395a9791c9626e17e9b70a6392d700c64d39f3e571851fb1b84ee27e6dea.exe
4104	7ef2395a9791c9626e17e9b70a6392d700c64d39f3e571851fb1b84ee27e6dea.exe

C:\Users\Admin\AppData\Local\Temp\7ef2395a9791c9626e17e9b70a6392d700c64d39f3e571851fb1b84ee27e6dea.exe
"C:\Users\Admin\AppData\Local\Temp\7ef2395a9791c9626e17e9b70a6392d700c64d39f3e571851fb1b84ee27e6dea.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
PID:4104

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x3d8 0x2f8
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:212

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4104-132-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4104-134-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4104-133-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4104-136-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4104-138-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4104-140-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4104-142-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4104-144-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4104-146-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4104-148-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4104-150-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4104-152-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4104-154-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4104-156-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4104-158-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4104-160-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4104-162-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4104-164-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4104-166-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4104-168-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4104-170-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4104-172-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4104-174-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4104-175-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download

Analysis

Sharing