9bb43731176fb0c5a822e006b33f6b1598c2bfb3cdff217a6864612c59202007

Analysis

max time kernel
148s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
24/11/2022, 07:19

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General

Target

9bb43731176fb0c5a822e006b33f6b1598c2bfb3cdff217a6864612c59202007.exe
Size

1.9MB
MD5

68075729b8309da2d713f6889c56e5ee
SHA1

128aae7ab7937ee67b57078c8967ef9fa563773f
SHA256

9bb43731176fb0c5a822e006b33f6b1598c2bfb3cdff217a6864612c59202007
SHA512

07cec513127965c095ef918a8a48d0f267a85ac41943150f8277277ffe972a28299cdc60f7b1b5f4747c88ef32acfe5a30087c511fca7702f1018fdc643c2369
SSDEEP

24576:IwsjEj8VmoUGsqGzqMu1uTd7D0wb+VFC4ifvMNcgkLCZz/IUBxWzQYuyBSGG5l1:IwsjhVhslqMsiZfb+PifvrgkLmmQVyBe

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/0x0003000000022ded-133.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
3288	zz.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0003000000022ded-133.dat	upx
behavioral2/memory/5080-137-0x0000000010000000-0x000000001003D000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
5080	9bb43731176fb0c5a822e006b33f6b1598c2bfb3cdff217a6864612c59202007.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Internet Explorer\zz.exe	9bb43731176fb0c5a822e006b33f6b1598c2bfb3cdff217a6864612c59202007.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

pid	pid_target	Process	procid_target
2356	5080	WerFault.exe	75
4948	5080	WerFault.exe	75

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
5080	9bb43731176fb0c5a822e006b33f6b1598c2bfb3cdff217a6864612c59202007.exe
5080	9bb43731176fb0c5a822e006b33f6b1598c2bfb3cdff217a6864612c59202007.exe
5080	9bb43731176fb0c5a822e006b33f6b1598c2bfb3cdff217a6864612c59202007.exe
3288	zz.exe
3288	zz.exe
5080	9bb43731176fb0c5a822e006b33f6b1598c2bfb3cdff217a6864612c59202007.exe
5080	9bb43731176fb0c5a822e006b33f6b1598c2bfb3cdff217a6864612c59202007.exe
5080	9bb43731176fb0c5a822e006b33f6b1598c2bfb3cdff217a6864612c59202007.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5080 wrote to memory of 3288	5080	9bb43731176fb0c5a822e006b33f6b1598c2bfb3cdff217a6864612c59202007.exe	76
PID 5080 wrote to memory of 3288	5080	9bb43731176fb0c5a822e006b33f6b1598c2bfb3cdff217a6864612c59202007.exe	76
PID 5080 wrote to memory of 3288	5080	9bb43731176fb0c5a822e006b33f6b1598c2bfb3cdff217a6864612c59202007.exe	76

C:\Users\Admin\AppData\Local\Temp\9bb43731176fb0c5a822e006b33f6b1598c2bfb3cdff217a6864612c59202007.exe
"C:\Users\Admin\AppData\Local\Temp\9bb43731176fb0c5a822e006b33f6b1598c2bfb3cdff217a6864612c59202007.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5080
- C:\Program Files\Internet Explorer\zz.exe
  "C:\Program Files\Internet Explorer\zz.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:3288
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5080 -s 1684
  2⤵
  - Program crash
  PID:2356
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5080 -s 1684
  2⤵
  - Program crash
  PID:4948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5080 -ip 5080
1⤵
PID:3508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 5080 -ip 5080
1⤵
PID:4912

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\Internet Explorer\zz.exe

Filesize
672KB

MD5
500f4ba64f32b8f633bef1912b32d53d

SHA1
0ee886f7783b95b601cc8e9248da75aa07341803

SHA256
4fd18cbdb8220aec50e1194bc4a91fb43e077611ed61fc4fe4a5c49f9d9b5fa7

SHA512
bd690661338a1a7ebebd043e1fc0c8c236208308569b174a8730255ae5129e75b827979f878376cc8ae50eb0cad0bd9a2736df19b8344ac2cd302cd0182c89df

Download Submit
C:\Program Files\Internet Explorer\zz.exe

Filesize
672KB

MD5
500f4ba64f32b8f633bef1912b32d53d

SHA1
0ee886f7783b95b601cc8e9248da75aa07341803

SHA256
4fd18cbdb8220aec50e1194bc4a91fb43e077611ed61fc4fe4a5c49f9d9b5fa7

SHA512
bd690661338a1a7ebebd043e1fc0c8c236208308569b174a8730255ae5129e75b827979f878376cc8ae50eb0cad0bd9a2736df19b8344ac2cd302cd0182c89df

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

Filesize
86KB

MD5
147127382e001f495d1842ee7a9e7912

SHA1
92d1ed56032183c75d4b57d7ce30b1c4ae11dc9b

SHA256
edf679c02ea2e170e67ab20dfc18558e2bfb4ee5d59eceeaea4b1ad1a626c3cc

SHA512
97f5ae90a1bbacfe39b9e0f2954c24f9896cc9dca9d14364c438862996f3bbc04a4aa515742fccb3679d222c1302f5bb40c7eaddd6b5859d2d6ef79490243a4d

Download Submit
memory/5080-132-0x0000000000400000-0x000000000073A200-memory.dmp

Filesize
3.2MB

Download
memory/5080-137-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/5080-138-0x0000000000400000-0x000000000073A200-memory.dmp

Filesize
3.2MB

Download