2557abb98612e7d2d1f171496466a5826d5f8cc51da7a1a7cd4fddb9572da83c

Analysis

max time kernel
145s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29/11/2022, 15:20

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General

Target

2557abb98612e7d2d1f171496466a5826d5f8cc51da7a1a7cd4fddb9572da83c.exe
Size

2.0MB
MD5

83a4cbc105816301bbc91bf41fb7e6b6
SHA1

6ebf7cc655913ab9f288fed8169593f9ec71e322
SHA256

2557abb98612e7d2d1f171496466a5826d5f8cc51da7a1a7cd4fddb9572da83c
SHA512

4ca650336abd90424634dc1521839fe3525f37297c4c0c81c6416a874f74bc7e448192a9625d790fbf631fbecbbdbebf56e4a4739569c0f77e56bcf606cc8fc1
SSDEEP

49152:bvXV6wdpoIMmOLYZU6x31Cu6ClOp9yGHzq+4UwQKsiI:bvl6wdpoFWU6x31MRpgGCQ5/

Score

9^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x00030000000006d5-140.dat	acprotect

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x00030000000006d5-140.dat	upx
behavioral2/memory/3440-142-0x0000000010000000-0x000000001003D000-memory.dmp	upx

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	2557abb98612e7d2d1f171496466a5826d5f8cc51da7a1a7cd4fddb9572da83c.exe

Loads dropped DLL 1 IoCs

pid	Process
3440	2557abb98612e7d2d1f171496466a5826d5f8cc51da7a1a7cd4fddb9572da83c.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1604	3440	WerFault.exe	77
4592	3440	WerFault.exe	77

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3440	2557abb98612e7d2d1f171496466a5826d5f8cc51da7a1a7cd4fddb9572da83c.exe
3440	2557abb98612e7d2d1f171496466a5826d5f8cc51da7a1a7cd4fddb9572da83c.exe
3440	2557abb98612e7d2d1f171496466a5826d5f8cc51da7a1a7cd4fddb9572da83c.exe
3440	2557abb98612e7d2d1f171496466a5826d5f8cc51da7a1a7cd4fddb9572da83c.exe
3440	2557abb98612e7d2d1f171496466a5826d5f8cc51da7a1a7cd4fddb9572da83c.exe

C:\Users\Admin\AppData\Local\Temp\2557abb98612e7d2d1f171496466a5826d5f8cc51da7a1a7cd4fddb9572da83c.exe
"C:\Users\Admin\AppData\Local\Temp\2557abb98612e7d2d1f171496466a5826d5f8cc51da7a1a7cd4fddb9572da83c.exe"
1⤵
- Checks BIOS information in registry
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:3440
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 1508
  2⤵
  - Program crash
  PID:1604
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 1600
  2⤵
  - Program crash
  PID:4592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3440 -ip 3440
1⤵
PID:2248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3440 -ip 3440
1⤵
PID:2312

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\SkinH_EL.dll

Filesize
86KB

MD5
147127382e001f495d1842ee7a9e7912

SHA1
92d1ed56032183c75d4b57d7ce30b1c4ae11dc9b

SHA256
edf679c02ea2e170e67ab20dfc18558e2bfb4ee5d59eceeaea4b1ad1a626c3cc

SHA512
97f5ae90a1bbacfe39b9e0f2954c24f9896cc9dca9d14364c438862996f3bbc04a4aa515742fccb3679d222c1302f5bb40c7eaddd6b5859d2d6ef79490243a4d

Download Submit
memory/3440-132-0x0000000000400000-0x0000000000650000-memory.dmp

Filesize
2.3MB

Download
memory/3440-133-0x0000000000400000-0x0000000000650000-memory.dmp

Filesize
2.3MB

Download
memory/3440-134-0x0000000000400000-0x0000000000650000-memory.dmp

Filesize
2.3MB

Download
memory/3440-135-0x0000000000400000-0x0000000000650000-memory.dmp

Filesize
2.3MB

Download
memory/3440-136-0x0000000000400000-0x0000000000650000-memory.dmp

Filesize
2.3MB

Download
memory/3440-138-0x0000000000400000-0x0000000000650000-memory.dmp

Filesize
2.3MB

Download
memory/3440-139-0x0000000000400000-0x0000000000650000-memory.dmp

Filesize
2.3MB

Download
memory/3440-141-0x0000000000400000-0x0000000000650000-memory.dmp

Filesize
2.3MB

Download
memory/3440-142-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/3440-143-0x0000000000400000-0x0000000000650000-memory.dmp

Filesize
2.3MB

Download