d14572f895d112db6deee6111169a256c109d60fe8610f2e355358331cc8ccca

Analysis

max time kernel
139s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
15/07/2023, 10:54

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General

Target

3a7db155d95578exeexe_JC.exe
Size

2.9MB
MD5

3a7db155d95578cb41b18128a2bd141f
SHA1

c954aed080559f7b5a0c973deb07debba62fc374
SHA256

d14572f895d112db6deee6111169a256c109d60fe8610f2e355358331cc8ccca
SHA512

51adad51f9a96efa28a8879142623dfd88be3ad161fb0f0b3ddbc66b9d24a206c8da6ca243808a9aed4c6c6439249c06668d7019ad14146cb45442db141a0af5
SSDEEP

49152:LzqN4RZRr5B3ukb6/wLKmhrkK9BlJlsSDWsVetL5VVKb6BHK7dvzp27GzTivXlEC:iqRz5ZvbDLKYrkK9BlJlsSDWsV6Kb6oY

Score

7^/10

discovery upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x00080000000231fb-134.dat	acprotect
behavioral2/files/0x00080000000231fb-139.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
5044	3a7db155d95578exeexe_JC.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x00080000000231fb-134.dat	upx
behavioral2/memory/5044-136-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/files/0x00080000000231fb-139.dat	upx
behavioral2/memory/5044-152-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\e:	3a7db155d95578exeexe_JC.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	3a7db155d95578exeexe_JC.exe
File created	\??\c:\program files\common files\system\symsrv.dll.000	3a7db155d95578exeexe_JC.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4348	5044	WerFault.exe	81
2912	5044	WerFault.exe	81

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5044	3a7db155d95578exeexe_JC.exe
5044	3a7db155d95578exeexe_JC.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5044	3a7db155d95578exeexe_JC.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5044	3a7db155d95578exeexe_JC.exe
5044	3a7db155d95578exeexe_JC.exe

C:\Users\Admin\AppData\Local\Temp\3a7db155d95578exeexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\3a7db155d95578exeexe_JC.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:5044
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5044 -s 1620
  2⤵
  - Program crash
  PID:4348
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5044 -s 1628
  2⤵
  - Program crash
  PID:2912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5044 -ip 5044
1⤵
PID:3224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 5044 -ip 5044
1⤵
PID:1192

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
C:\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/5044-145-0x00000000007D0000-0x0000000000AA6000-memory.dmp

Filesize
2.8MB

Download
memory/5044-142-0x00000000007D0000-0x0000000000AA6000-memory.dmp

Filesize
2.8MB

Download
memory/5044-143-0x00000000007D0000-0x0000000000AA6000-memory.dmp

Filesize
2.8MB

Download
memory/5044-144-0x00000000007D0000-0x0000000000AA6000-memory.dmp

Filesize
2.8MB

Download
memory/5044-136-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/5044-146-0x00000000007D0000-0x0000000000AA6000-memory.dmp

Filesize
2.8MB

Download
memory/5044-147-0x00000000007D0000-0x0000000000AA6000-memory.dmp

Filesize
2.8MB

Download
memory/5044-148-0x00000000007D0000-0x0000000000AA6000-memory.dmp

Filesize
2.8MB

Download
memory/5044-149-0x00000000007D0000-0x0000000000AA6000-memory.dmp

Filesize
2.8MB

Download
memory/5044-151-0x00000000007D0000-0x0000000000AA6000-memory.dmp

Filesize
2.8MB

Download
memory/5044-152-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download