0c738afdcc2ec1839c6bb3238f43160afc68cda566786a3aa82545d1a0bc06f1

Analysis

max time kernel
119s
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, 12:20

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General

Target

$0/uninstall.exe
Size

78KB
MD5

49308a7a6a85f0129a98a288cdab2385
SHA1

33a1b7ca4bc7a27647519cdf015ac0a22782f527
SHA256

000519cce0a165f4a94ab47dc7b666c4df08af1a5e3430987810193c270dc909
SHA512

8ba592a1171f80e1bef7fb398b6c2b91402e6f76ad8942458fcefbff9919249747348bd75fba8d42180ff460469780ea88aa5966cd50d0dbf979a98b44fd1ef8
SSDEEP

1536:PEkjY1zy214Qay0DGkJ7qAELVigJNcpw/1q792sX7Ia12/Db:8kjAJ4dDGkJ+AI0fo1qRka0/v

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2748	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
2112	uninstall.exe
2748	Au_.exe
2748	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
behavioral3/files/0x0008000000012281-2.dat	nsis_installer_1

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2748	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2748	2112	uninstall.exe	28
PID 2112 wrote to memory of 2748	2112	uninstall.exe	28
PID 2112 wrote to memory of 2748	2112	uninstall.exe	28
PID 2112 wrote to memory of 2748	2112	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:2112
- 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:2748

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\nso4117.tmp\ioSpecial.ini

Filesize
703B

MD5
0f2118cf3106ce62e9187735dae79256

SHA1
025357219dfc077187d62f03b85193b4ab010429

SHA256
88cb70a208e1670982846a942a15ef3a57403fe3a64b9d639a81ea1ee11aaf13

SHA512
d088ce9a8b7d795f27656547333531da3ca251c0871ee97e249a7717cf6d3ed72e08f9a02fc523486ef43e2c4d13255e895b0c5c5bcd1654584bb9a17c44020e

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C:\Users\Admin\AppData\Local\Temp\nso4117.tmp\ioSpecial.ini

Filesize
716B

MD5
72bec6553d3bced7b7224713f5be9a64

SHA1
32c955be634f18ae0fd40057097862a5f8b1bb70

SHA256
bc0980fc455a78f2ac7dbe79741c88e4ea0ff4d550b389167a0cb682bf3092b1

SHA512
5572937e42784c2471177493c5b1ea514aa973a56ab5bec39c17ffcff15c7ba168cc2376d43f66816def2d71e05e8596f42ed52ac2fad61baaa6d93755e3e157

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\Users\Admin\AppData\Local\Temp\nso4117.tmp\InstallOptions.dll

Filesize
13KB

MD5
d765c492c21689e3d9d61634371fd861

SHA1
ac200933671ae52c9d5544d0e2e8e9144d286c83

SHA256
551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc

SHA512
9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f

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\Users\Admin\AppData\Local\Temp\nso4117.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
49308a7a6a85f0129a98a288cdab2385

SHA1
33a1b7ca4bc7a27647519cdf015ac0a22782f527

SHA256
000519cce0a165f4a94ab47dc7b666c4df08af1a5e3430987810193c270dc909

SHA512
8ba592a1171f80e1bef7fb398b6c2b91402e6f76ad8942458fcefbff9919249747348bd75fba8d42180ff460469780ea88aa5966cd50d0dbf979a98b44fd1ef8

Download Submit