b58ea9bb8dd69dd81aab6c75466487b9f0e23c5f5c473d22bc7bffa5ef9cfbed

Analysis

max time kernel
134s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-11-2024 10:48

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General

Target

uninst.exe
Size

1.8MB
MD5

0476fe3408086ad9503632c5c3b084f3
SHA1

3d2c4cae38f9faccb05f3b6d1e653661f5397807
SHA256

eabd927f02c19fcce33816f42866f2fef7aa24910bc1b692497585ecc4007611
SHA512

b7bda3fccfc420be4203cfeb7d089f9c2b821e158e59801640af0e35ba24144c36f0db50cc047d937507bd3fb88f1f4270e091b0547a365741dc555280eebb81
SSDEEP

49152:dBewS4SitFdq7kGpM6/cEbTWbf2UIhXdK2WP2nU:P1V9/GN2+ndK1KU

Score

7^/10

discovery upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral26/files/0x0007000000023cd7-12.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
2016	Au_.exe

Loads dropped DLL 9 IoCs

pid	Process
2016	Au_.exe
2016	Au_.exe
2016	Au_.exe
2016	Au_.exe
2016	Au_.exe
2016	Au_.exe
2016	Au_.exe
2016	Au_.exe
2016	Au_.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral26/files/0x0007000000023cd7-12.dat	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3460	2016	WerFault.exe	84
1768	2016	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uninst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral26/files/0x0007000000023cd5-3.dat	nsis_installer_1
behavioral26/files/0x0007000000023cd5-3.dat	nsis_installer_2

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2016	Au_.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2724 wrote to memory of 2016	2724	uninst.exe	84
PID 2724 wrote to memory of 2016	2724	uninst.exe	84
PID 2724 wrote to memory of 2016	2724	uninst.exe	84

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2724
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2016
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2016 -s 1148
    3⤵
    - Program crash
    PID:3460
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2016 -s 1148
    3⤵
    - Program crash
    PID:1768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2016 -ip 2016
1⤵
PID:2292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 2016 -ip 2016
1⤵
PID:1276

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\1192839\GMSkin_Image_2012_v1.zip

Filesize
1.5MB

MD5
159d347c741931336de9360096c6cf88

SHA1
ab53122b0d28e95acabaf1ca079054052a94ad8c

SHA256
a73a5aef9eb1595cbdfbc02187b51c96f39033f0973f7d6758024c525407038c

SHA512
017066ed58ac34dbc919dbffc3fa7f07c31f61b3ac1f1a714aceb14db48ee45208129a5aaa7ca88bd34dddf7936f5211a58a385dc51408cd1902465436a79de0

Download Submit
C:\Users\Admin\AppData\Local\Temp\1192839\K8Skin.dll

Filesize
376KB

MD5
6f2e568ad29d065ecb9073e0e943158b

SHA1
1d6f747b5abe0ba06eb70a4f93a2dfe046342094

SHA256
2f2f55967767478491d982c07d7197db914a3cf22d57b9ded917c1e9173f8431

SHA512
8cacbf539926f7a7f4be1963ef92fd83facbce7d68f1a2c9cc0554a86b2307486f00b3d678f417746db054654d0c9c1675a9d0633b01817153ca5168a0c7de47

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsnA809.tmp\NSISdl.dll

Filesize
14KB

MD5
254f13dfd61c5b7d2119eb2550491e1d

SHA1
5083f6804ee3475f3698ab9e68611b0128e22fd6

SHA256
fd0e8be2135f3d326b65520383a3468c3983fa32c9c93594d986b16709d80f28

SHA512
fcef8ac5bd0ee6e316dbbc128a223ba18c8bf85a8d253e0c0877af6a4f686a20b08d34e5a426e2be5045962b391b8073769253a4d9b18616febc8133ccf654f7

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsnA809.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsnA809.tmp\nsDialogs.dll

Filesize
9KB

MD5
ab73c0c2a23f913eabdc4cb24b75cbad

SHA1
6569d2863d54c88dcf57c843fc310f6d9571a41e

SHA256
3d0060c5c9400a487dbefe4ac132dd96b07d3a4ba3badab46a7410a667c93457

SHA512
99d287b5152944f64edc7ce8f3ebcd294699e54a5b42ac7a88e27dff8a68278a5429f4d299802ee7ddbe290f1e3b6a372a5f3bb4ecb1a3c32e384bca3ccdb2b8

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsnA809.tmp\nsRandom.dll

Filesize
21KB

MD5
ab467b8dfaa660a0f0e5b26e28af5735

SHA1
596abd2c31eaff3479edf2069db1c155b59ce74d

SHA256
db267d9920395b4badc48de04df99dfd21d579480d103cae0f48e6578197ff73

SHA512
7d002dc203997b8a4d8ec20c92cd82848e29d746414f4a61265c76d4afb12c05bce826fc63f4d2bd3d527f38506c391855767d864c37584df11b5db9ca008301

Download Submit
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
1.8MB

MD5
0476fe3408086ad9503632c5c3b084f3

SHA1
3d2c4cae38f9faccb05f3b6d1e653661f5397807

SHA256
eabd927f02c19fcce33816f42866f2fef7aa24910bc1b692497585ecc4007611

SHA512
b7bda3fccfc420be4203cfeb7d089f9c2b821e158e59801640af0e35ba24144c36f0db50cc047d937507bd3fb88f1f4270e091b0547a365741dc555280eebb81

Download Submit
memory/2016-14-0x00000000022C0000-0x00000000022D2000-memory.dmp

Filesize
72KB

Download
memory/2016-13-0x00000000022C0000-0x00000000022D2000-memory.dmp

Filesize
72KB

Download
memory/2016-26-0x0000000002F50000-0x0000000002FB1000-memory.dmp

Filesize
388KB

Download