3dacbf49ecb37c75438c28e2762dbab36aba3e817bf7568767d2135f2800444b

Analysis

max time kernel
140s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/08/2024, 06:30

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General

Target

Uninstall.exe
Size

59KB
MD5

973038639d770a979c786f86c71c2aa2
SHA1

45cd5858255d414606760666b9344d95c0c2ead2
SHA256

64326f62c4328392e52de8a675b2cbc0c7b10a7ba9cea03d829ed56f4b714e42
SHA512

2b3bf405249abd930be9bbaf4ee56bd24510fe98927e24a4b17192859984fd12e89941f60e7b108e2806282771cc4d2c6ab3bdec97409c78b62fbf6631c23928
SSDEEP

1536:2pgpHzb9dZVX9fHMvG0D3XJrgdLeAyN/QhV/l:cgXdZt9P6D3XJrceAXv/l

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5112	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
5112	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

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

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral18/files/0x00080000000235c4-3.dat	nsis_installer_1
behavioral18/files/0x00080000000235c4-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5024 wrote to memory of 5112	5024	Uninstall.exe	92
PID 5024 wrote to memory of 5112	5024	Uninstall.exe	92
PID 5024 wrote to memory of 5112	5024	Uninstall.exe	92

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5024
- 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
  PID:5112

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1040,i,3210801877307184477,8078594481454001567,262144 --variations-seed-version --mojo-platform-channel-handle=4608 /prefetch:8
1⤵
PID:4052

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\nsv4514.tmp\InstallOptions.dll

Filesize
14KB

MD5
325b008aec81e5aaa57096f05d4212b5

SHA1
27a2d89747a20305b6518438eff5b9f57f7df5c3

SHA256
c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b

SHA512
18362b3aee529a27e85cc087627ecf6e2d21196d725f499c4a185cb3a380999f43ff1833a8ebec3f5ba1d3a113ef83185770e663854121f2d8b885790115afdf

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C:\Users\Admin\AppData\Local\Temp\nsv4514.tmp\ioSpecial.ini

Filesize
641B

MD5
eed716855f7d9e9b42fdbb30753010c1

SHA1
550470121039a8fbd303a6ff75d6997931d9a6e4

SHA256
1ab679c3c0728e19f34a43c154efd10a23b74e311d5c4cf5c66038c2b6699c26

SHA512
7f84530ed18e9055a196886b0e4548752816eb3b7309ef3a4de8fe996c6d5f21f841311ac38e618b154238e89723bbbad762a7425a62ce0afa3f825a3583c9f0

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C:\Users\Admin\AppData\Local\Temp\nsv4514.tmp\ioSpecial.ini

Filesize
641B

MD5
30098937ca32e7da41dfffcee5e75a5d

SHA1
02a47991779da589d01c8e5e4b71e18dbf887f7f

SHA256
82a490092fe054384563119ca0c7407b99df202d9a6da310534c33d24040c781

SHA512
a591b020fdc4e0e825270ceb5b8287eb099f29845fa91cdb1bf5331306d7a09a3ba9033912b39cdde517e5bf564c853468982f82931b92eea59127c70c59ed9f

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

Filesize
59KB

MD5
973038639d770a979c786f86c71c2aa2

SHA1
45cd5858255d414606760666b9344d95c0c2ead2

SHA256
64326f62c4328392e52de8a675b2cbc0c7b10a7ba9cea03d829ed56f4b714e42

SHA512
2b3bf405249abd930be9bbaf4ee56bd24510fe98927e24a4b17192859984fd12e89941f60e7b108e2806282771cc4d2c6ab3bdec97409c78b62fbf6631c23928

Download Submit