a738fca0a8581975866a6126016f67535aadaaea0105e0d0908d34d0254a2339

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
10/07/2024, 04:38

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General

Target

$0/uninstall.exe
Size

78KB
MD5

06dfcc2f7280fb109b025a3a9bacb5f8
SHA1

bed2e29e8f11d410ea52a0d4413c8941f725f349
SHA256

9a3cfe20c105c363695f7f650829e2de93ba236e15672c53c736749838ac61f9
SHA512

43b06075b9b4c51ef6b6c063e29643152f26fc4a3b2b4f27b63763b929f0656e8eb6a3a2fe2e868b3f91bc7e126f6f1420320995fc9243a8c03dffd3cfa05580
SSDEEP

1536:PEkjY1zy214Qay0DGkJ7qAELVigJbVcpDCxH9TplS1N/RA2/DB:8kjAJ4dDGkJ+AI0wauH9TpAN/RX/l

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2460	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
1252	uninstall.exe
2460	Au_.exe
2460	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/0x00050000000193d5-2.dat	nsis_installer_1

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2460	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1252 wrote to memory of 2460	1252	uninstall.exe	30
PID 1252 wrote to memory of 2460	1252	uninstall.exe	30
PID 1252 wrote to memory of 2460	1252	uninstall.exe	30
PID 1252 wrote to memory of 2460	1252	uninstall.exe	30

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:1252
- 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:2460

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\nsoB971.tmp\ioSpecial.ini

Filesize
613B

MD5
653fb3dcae5945be0d362f67e04a6be4

SHA1
a0da4790a95e08735794c8a6d4a3e2aa6abe9bfa

SHA256
99efac0a344da62a8c3b64ac4602fe1bd620b7d4216ef69cb58f567a81020466

SHA512
054e84c20f4540ac95f3a0cac08478f378eec09289901a92a2c7e0acca04bbc66710eed61651396da3ac185badba4ac22d13c9f8fe7aa69ea65eaa6d79eaba2e

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C:\Users\Admin\AppData\Local\Temp\nsoB971.tmp\ioSpecial.ini

Filesize
626B

MD5
87358c9e5a5a6507405a32bc86663063

SHA1
01d7b60898d8c39bf2beaa45939c2ed07390c922

SHA256
3b6583d8b8e3e533a6a94a2a565c1acd2e1423bf0b765d52d2cf7e02bd97a905

SHA512
ceb9f6ac52f56a026ef0d628d3a7639df954d07e1f6eccf6ff3cd6a128b78e74a3d053c6e3ab3a4a08606cfae9fdd5d65bf796c217186b4820dc8e581b660dea

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\Users\Admin\AppData\Local\Temp\nsoB971.tmp\InstallOptions.dll

Filesize
13KB

MD5
d765c492c21689e3d9d61634371fd861

SHA1
ac200933671ae52c9d5544d0e2e8e9144d286c83

SHA256
551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc

SHA512
9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f

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\Users\Admin\AppData\Local\Temp\nsoB971.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
06dfcc2f7280fb109b025a3a9bacb5f8

SHA1
bed2e29e8f11d410ea52a0d4413c8941f725f349

SHA256
9a3cfe20c105c363695f7f650829e2de93ba236e15672c53c736749838ac61f9

SHA512
43b06075b9b4c51ef6b6c063e29643152f26fc4a3b2b4f27b63763b929f0656e8eb6a3a2fe2e868b3f91bc7e126f6f1420320995fc9243a8c03dffd3cfa05580

Download Submit