be8b7e4e23e16215161ffc9954ff7d377ef5e626005b0cdf137b18cde1bd5c15

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
01/02/2024, 04:44

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General

Target

$0/uninstall.exe
Size

78KB
MD5

466c24eca612da79b8187626c4025cd1
SHA1

c453ae03d4df111e872aca0fbeaabcc0d19386f3
SHA256

8ac3bb23b6e755a2fe8c6f225dda95989578d5bba892245fad1e14dee76438c7
SHA512

90e34a801c39624d7612965f473c63338fa62e98fc7a2d1237c0d921dc9871c50e213bec67b7a12b5d125f83a1717c6a9b91fc20411504992637614057ff2c22
SSDEEP

1536:PEkjY1zy214Qay0DGkJ7qAELVigJ4cpxVJlCd2/Db:8kjAJ4dDGkJ+AI0AlJl/v

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2008	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
2204	uninstall.exe
2008	Au_.exe
2008	Au_.exe

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

System Information Discovery
T1082

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral7/files/0x0008000000012281-2.dat	nsis_installer_1

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2008	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2008	2204	uninstall.exe	28
PID 2204 wrote to memory of 2008	2204	uninstall.exe	28
PID 2204 wrote to memory of 2008	2204	uninstall.exe	28
PID 2204 wrote to memory of 2008	2204	uninstall.exe	28

C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2204
- 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\$0\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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:\Users\Admin\AppData\Local\Temp\nsy5439.tmp\ioSpecial.ini

Filesize
691B

MD5
2ddafe3fb29c5e9fb8b6f82309f9723f

SHA1
10e0ea5466b9d3b1fb5cc25016eb3a4cb8162a85

SHA256
20728001992e8dd3995afa743500492286391229b521754446e0b4fc0c99455f

SHA512
f58c2524efdecb33de447160b563eb53ff3a266398411d44c504aab79d2b3a0a264177a5ee75dd3cf289953a624ec3e01199d4d3573e5134c2cd22c47d14a20c

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\Users\Admin\AppData\Local\Temp\nsy5439.tmp\InstallOptions.dll

Filesize
13KB

MD5
d765c492c21689e3d9d61634371fd861

SHA1
ac200933671ae52c9d5544d0e2e8e9144d286c83

SHA256
551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc

SHA512
9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f

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\Users\Admin\AppData\Local\Temp\nsy5439.tmp\System.dll

Filesize
10KB

MD5
fe24766ba314f620d57d0cf7339103c0

SHA1
8641545f03f03ff07485d6ec4d7b41cbb898c269

SHA256
802ef71440f662f456bed6283a5ff78066af016897fe6bfd29cac6edc2967bbd

SHA512
60d36959895cebf29c4e7713e6d414980139c7aa4ed1c8c96fefb672c1263af0ce909fb409534355895649c0e8056635112efb0da2ba05694446aec2ca77e2e3

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

Filesize
78KB

MD5
466c24eca612da79b8187626c4025cd1

SHA1
c453ae03d4df111e872aca0fbeaabcc0d19386f3

SHA256
8ac3bb23b6e755a2fe8c6f225dda95989578d5bba892245fad1e14dee76438c7

SHA512
90e34a801c39624d7612965f473c63338fa62e98fc7a2d1237c0d921dc9871c50e213bec67b7a12b5d125f83a1717c6a9b91fc20411504992637614057ff2c22

Download Submit