ff861b69fe390d39360578533c6de5852af4ea2f1d1a76e08b6c10aca09bdb1b

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
22/02/2024, 18:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ff861b69fe390d39360578533c6de5852af4ea2f1d1a76e08b6c10aca09bdb1b.exe
Size

4.5MB
MD5

17efd48ca6adb4fc1f5942c14dfa7648
SHA1

309d706d366d3fdf1464c25eaba25c3da3471c1b
SHA256

ff861b69fe390d39360578533c6de5852af4ea2f1d1a76e08b6c10aca09bdb1b
SHA512

be90159db8ffb9df1f8a592799d212e186b9af6d4792b07f3dcaecce9034c8c07f71c619471db9597cd36307ca8b1dc67c149ba388c877302ac85c2f4424ee01
SSDEEP

49152:Y6W5jd3h/5HKld8wMSf1T1wMSC7LlfpG3C7ZE03vBIyp0ue6PGu07v1czO:a3He8wMSNT15RLZYn0/I6Pm/

Score

7^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000e00000001e6fd-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
3988	ff861b69fe390d39360578533c6de5852af4ea2f1d1a76e08b6c10aca09bdb1b.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000e00000001e6fd-1.dat	upx
behavioral2/memory/3988-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3988-14-0x0000000010000000-0x0000000010030000-memory.dmp	upx

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:	ff861b69fe390d39360578533c6de5852af4ea2f1d1a76e08b6c10aca09bdb1b.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	ff861b69fe390d39360578533c6de5852af4ea2f1d1a76e08b6c10aca09bdb1b.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2008	3988	WerFault.exe	86
3408	3988	WerFault.exe	86

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3988	ff861b69fe390d39360578533c6de5852af4ea2f1d1a76e08b6c10aca09bdb1b.exe
3988	ff861b69fe390d39360578533c6de5852af4ea2f1d1a76e08b6c10aca09bdb1b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3988	ff861b69fe390d39360578533c6de5852af4ea2f1d1a76e08b6c10aca09bdb1b.exe

C:\Users\Admin\AppData\Local\Temp\ff861b69fe390d39360578533c6de5852af4ea2f1d1a76e08b6c10aca09bdb1b.exe
"C:\Users\Admin\AppData\Local\Temp\ff861b69fe390d39360578533c6de5852af4ea2f1d1a76e08b6c10aca09bdb1b.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3988
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3988 -s 856
  2⤵
  - Program crash
  PID:2008
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3988 -s 864
  2⤵
  - Program crash
  PID:3408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3988 -ip 3988
1⤵
PID:2576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3988 -ip 3988
1⤵
PID:4360

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Loading Replay Monitor...

Downloads

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/3988-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3988-6-0x0000000000A70000-0x0000000000EE7000-memory.dmp

Filesize
4.5MB

Download
memory/3988-7-0x0000000000A70000-0x0000000000EE7000-memory.dmp

Filesize
4.5MB

Download
memory/3988-11-0x0000000000A70000-0x0000000000EE7000-memory.dmp

Filesize
4.5MB

Download
memory/3988-14-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download