2bdf894b05844e6ce24c7a42eaf3abae2312b094d1277db0a09bc83a8fef886a

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
29-11-2024 08:47

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General

Target

$PROGRAMFILES/8 Skin Pack/$PROGRAMFILES/8 Skin Pack/uninst.exe
Size

355KB
MD5

50d1281001c24d935a347ce4cbcc42e6
SHA1

8de02314fe088f8b60b283a66e34dbb3ea1a211d
SHA256

ef3894b05d322084194fac6308414a08e86b1f5c4c9a42780fe1c313800c5aa9
SHA512

6d37c70120f4b67983aeb386383e6552ff9dc2150f382421d6c1fd00d4d639578b916ed6c5dccc12bdb30480daf32984ac9c7d8d99205e1b56d484fc5806f98e
SSDEEP

6144:+sIcOhURy+PcrmyK+7qWAxVdzO428hqhmDsI451KrELXe4:OA8+PiK++WGzOeoKsTOrEz

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Au_.exe

pid	Process
3020	Au_.exe

Loads dropped DLL 10 IoCs

Processes:

uninst.exeAu_.exe

pid	Process
2616	uninst.exe
3020	Au_.exe
3020	Au_.exe
3020	Au_.exe
3020	Au_.exe
3020	Au_.exe
3020	Au_.exe
3020	Au_.exe
3020	Au_.exe
3020	Au_.exe

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

System Information Discovery
T1082

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

Processes:

Au_.exeuninst.exe

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

NSIS installer 2 IoCs

installer

Processes:

resource	yara_rule
behavioral23/files/0x000400000001df19-2.dat	nsis_installer_1
behavioral23/files/0x000400000001df19-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Au_.exe

pid	Process
3020	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

uninst.exe

description	pid	Process	procid_target
PID 2616 wrote to memory of 3020	2616	uninst.exe	30
PID 2616 wrote to memory of 3020	2616	uninst.exe	30
PID 2616 wrote to memory of 3020	2616	uninst.exe	30
PID 2616 wrote to memory of 3020	2616	uninst.exe	30
PID 2616 wrote to memory of 3020	2616	uninst.exe	30
PID 2616 wrote to memory of 3020	2616	uninst.exe	30
PID 2616 wrote to memory of 3020	2616	uninst.exe	30

C:\Users\Admin\AppData\Local\Temp\$PROGRAMFILES\8 Skin Pack\$PROGRAMFILES\8 Skin Pack\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\$PROGRAMFILES\8 Skin Pack\$PROGRAMFILES\8 Skin Pack\uninst.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2616
- 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\$PROGRAMFILES\8 Skin Pack\$PROGRAMFILES\8 Skin Pack\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:3020

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

\Users\Admin\AppData\Local\Temp\nstAC77.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
\Users\Admin\AppData\Local\Temp\nstAC77.tmp\nsDialogs.dll

Filesize
9KB

MD5
c10e04dd4ad4277d5adc951bb331c777

SHA1
b1e30808198a3ae6d6d1cca62df8893dc2a7ad43

SHA256
e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a

SHA512
853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e

Download Submit
\Users\Admin\AppData\Local\Temp\nstAC77.tmp\nsExec.dll

Filesize
6KB

MD5
acc2b699edfea5bf5aae45aba3a41e96

SHA1
d2accf4d494e43ceb2cff69abe4dd17147d29cc2

SHA256
168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

SHA512
e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

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\Users\Admin\AppData\Local\Temp\nstAC77.tmp\registry.dll

Filesize
16KB

MD5
1c9523d1c77e5c18d7f1cf3be21c9392

SHA1
f6afd13a7e0585082f64600959c3b31d18e55946

SHA256
d1bd1879f4c1e9a7c3233ba79eb44c93fecb4d3ecdad7b896e4e2e1b14690459

SHA512
52662a37ed0ec9db7a94c245488bf3639e7d2dd76ec28b08415ee93b53489bdf7fc38c1df768033a6a2a2a2571709518e81d66a325f6609d6552442a1aef4c4b

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

Filesize
355KB

MD5
50d1281001c24d935a347ce4cbcc42e6

SHA1
8de02314fe088f8b60b283a66e34dbb3ea1a211d

SHA256
ef3894b05d322084194fac6308414a08e86b1f5c4c9a42780fe1c313800c5aa9

SHA512
6d37c70120f4b67983aeb386383e6552ff9dc2150f382421d6c1fd00d4d639578b916ed6c5dccc12bdb30480daf32984ac9c7d8d99205e1b56d484fc5806f98e

Download Submit