b43f0674c30b36431d60816c5bb61c637c4c4e88db4c7b21f03d825f57bbe568

Analysis

max time kernel
145s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 16:07

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General

Target
uninstall.exe
Size 285KB
Sample240204-tk599adge9
SHA256 6598ae507a17ce22ef431cbe2e1c289eb3e80eb6d439db965bd6d1bf10c9de74
MD5 086fa376a751dedc350605ff4b9fdb53
SHA1 b29c0836429d1401717e17989ff21817940ab25c
SHA512 974754261d36813aeeb1a8893ea106365ade44a5f8854dbea6bc38680b1ab55311d06dc1f5912a49a4c727c1dab5664450d3a79b6fe201aac07e590d8195617a
SSDEEP 6144:Ee34kIOpeZH+zpyuuz6GZkDOJ/7OafSH5KmrWym09x1t:hTeZHkwuPikQ7lKH5p5H9x1t
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
912	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
912	Au_.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

NSIS installer 4 IoCs

installer

resource	yara_rule
behavioral14/files/0x0007000000023229-4.dat	nsis_installer_1
behavioral14/files/0x0007000000023229-4.dat	nsis_installer_2
behavioral14/files/0x0007000000023229-3.dat	nsis_installer_1
behavioral14/files/0x0007000000023229-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 912	2956	uninstall.exe	86
PID 2956 wrote to memory of 912	2956	uninstall.exe	86
PID 2956 wrote to memory of 912	2956	uninstall.exe	86

C:\Users\Admin\AppData\Local\Temp\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2956
- 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
  PID:912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

aminsis.dll

Path C:\Users\Admin\AppData\Local\Temp\nsw6439.tmp\aminsis.dll
Size 559KB
SHA256 b620091bf9973e807e12155d2247a6d233b5d13ec38c426675470ab4b26f0539
MD5 51ba1095f0ae45a2d444bea506cb9ad4
SHA1 038a5d53d055a6d440bd2c8864c2f51db206c5e5
SHA512 f5fe2dd0f19bcaab47540ceedbec71f7f7c5b833c8772c097594c458e5f1101fe9feb849812b65c175055f71dfb13f11c4ad94fef42cd66f247413e453de3361
SSDEEP 12288:kbdmSvBuSrDWoN/8Z+iZz2ULoygI/htZw3EKwcxi0T8NGAmN:bSvBuSG7+iZz2ULoyXZzw3E2tT8UAmN
MD5 SHA1 SHA512 SSDEEP

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Au_.exe

Path C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
Size 256KB
SHA256 877fbd540b10c834ec46da5310fba89eadbd4b34ded17240669c54def212b436
MD5 84dbd52b8f53b8225d4185736d47ae9b
SHA1 fd49b20728942dcd0f3a6054999d93e9824b948c
SHA512 0681268fc405eb4eb1cae5a1093e8c0780225cf4666c7a6808107331bebec01c01bf2c34d141226c539273b94a206468f4eab4cc5e848243780cad2d74fedb60
SSDEEP 6144:Ee34kIOpeZH+zpyuuz6GZkDOJ/7OafSH5KmrWym09+:hTeZHkwuPikQ7lKH5p5H9+
MD5 SHA1 SHA512 SSDEEP

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Au_.exe

Path C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
Size 199KB
SHA256 2b42a9c4aeb3940de4321f19f3e1bfc0b4911507e31bb35d5c60814d5e0e23dd
MD5 cb6a632f0075d77625a2b86c9b0971a8
SHA1 506f17b8c7da78c900967e7599ae7fbe9d82ad06
SHA512 d27704da4ff3c7fb9075dff00bffe95f7e1ebe5ed5ae766463659b4827f7fb7bd2799faeadc05e1892bb1e805c4b67e1241096f2202932aa0a75c3a974ada5fb
SSDEEP 6144:Ee34kIOpeZH+zpyuuz6GZkDOJ/7OafSH5F:hTeZHkwuPikQ7lKH5F
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads