bfdd2b5add2cce922572030994e5590a2cf57fccc4bac759768d840504c8f53a

Analysis

max time kernel
165s
max time network
201s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 12:41

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General

Target

bfdd2b5add2cce922572030994e5590a2cf57fccc4bac759768d840504c8f53a.exe
Size

1.8MB
MD5

a2149799f60dc626d8ba808c6805dccd
SHA1

0d1140252502e4348a8c0318527d210a14901216
SHA256

bfdd2b5add2cce922572030994e5590a2cf57fccc4bac759768d840504c8f53a
SHA512

56cbd829ee61151151d3b21a1b0e2e13f8e3d24d3a370f460b3f91aeeee882b0006ed5bd351512b1257f420ea95b01cc1c6990cebfdf77b81f4de04b42df428f
SSDEEP

49152:IrMVLsfZezwqdwk0cQHGiYYSzSY5voVU7zQYd:WMhqZekqdwkLQHHhsSYt8y

Score

9^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\SkinH_EL.dll	acprotect

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\SkinH_EL.dll	upx
behavioral2/memory/4892-134-0x0000000010000000-0x000000001003D000-memory.dmp	upx

Loads dropped DLL 1 IoCs

Processes:

bfdd2b5add2cce922572030994e5590a2cf57fccc4bac759768d840504c8f53a.exe

pid process

4892 bfdd2b5add2cce922572030994e5590a2cf57fccc4bac759768d840504c8f53a.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid	pid_target	process	target process
3992	4892	WerFault.exe	bfdd2b5add2cce922572030994e5590a2cf57fccc4bac759768d840504c8f53a.exe
928	4892	WerFault.exe	bfdd2b5add2cce922572030994e5590a2cf57fccc4bac759768d840504c8f53a.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

Processes:

bfdd2b5add2cce922572030994e5590a2cf57fccc4bac759768d840504c8f53a.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	bfdd2b5add2cce922572030994e5590a2cf57fccc4bac759768d840504c8f53a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	bfdd2b5add2cce922572030994e5590a2cf57fccc4bac759768d840504c8f53a.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\IESettingSync	bfdd2b5add2cce922572030994e5590a2cf57fccc4bac759768d840504c8f53a.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	bfdd2b5add2cce922572030994e5590a2cf57fccc4bac759768d840504c8f53a.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

bfdd2b5add2cce922572030994e5590a2cf57fccc4bac759768d840504c8f53a.exe

pid	process
4892	bfdd2b5add2cce922572030994e5590a2cf57fccc4bac759768d840504c8f53a.exe
4892	bfdd2b5add2cce922572030994e5590a2cf57fccc4bac759768d840504c8f53a.exe
4892	bfdd2b5add2cce922572030994e5590a2cf57fccc4bac759768d840504c8f53a.exe
4892	bfdd2b5add2cce922572030994e5590a2cf57fccc4bac759768d840504c8f53a.exe
4892	bfdd2b5add2cce922572030994e5590a2cf57fccc4bac759768d840504c8f53a.exe

C:\Users\Admin\AppData\Local\Temp\bfdd2b5add2cce922572030994e5590a2cf57fccc4bac759768d840504c8f53a.exe
"C:\Users\Admin\AppData\Local\Temp\bfdd2b5add2cce922572030994e5590a2cf57fccc4bac759768d840504c8f53a.exe"
1⤵
- Loads dropped DLL
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 2148
2⤵
- Program crash
PID:3992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 2148
2⤵
- Program crash
PID:928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4892 -ip 4892
1⤵
PID:5028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 4892 -ip 4892
1⤵
PID:5108

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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/4892-134-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

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