Overview
overview
7Static
static
368e9fe3012...18.exe
windows7-x64
768e9fe3012...18.exe
windows10-2004-x64
7$PLUGINSDI...is.dll
windows7-x64
3$PLUGINSDI...is.dll
windows10-2004-x64
3ffMediaWat...ion.js
windows7-x64
3ffMediaWat...ion.js
windows10-2004-x64
3ff/chrome/...772.js
windows7-x64
3ff/chrome/...772.js
windows10-2004-x64
3ff/chrome/...ion.js
windows7-x64
3ff/chrome/...ion.js
windows10-2004-x64
3ie/MediaWa...72.dll
windows7-x64
6ie/MediaWa...72.dll
windows10-2004-x64
6uninstall.exe
windows7-x64
7uninstall.exe
windows10-2004-x64
7$PLUGINSDI...is.dll
windows7-x64
3$PLUGINSDI...is.dll
windows10-2004-x64
3Analysis
- max time kernel
135s - max time network
128s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
22/10/2024, 04:31
Static task
static1
Behavioral task
behavioral1
Sample
68e9fe3012a7661a0aafd255960c8262_JaffaCakes118.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
68e9fe3012a7661a0aafd255960c8262_JaffaCakes118.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/aminsis.dll
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
ffMediaWatchV1home4772chaction.js
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
ffMediaWatchV1home4772chaction.js
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
ff/chrome/content/ffMediaWatchV1home4772.js
Resource
win7-20240708-en
Behavioral task
behavioral8
Sample
ff/chrome/content/ffMediaWatchV1home4772.js
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
ff/chrome/content/ffMediaWatchV1home4772ffaction.js
Resource
win7-20240729-en
Behavioral task
behavioral10
Sample
ff/chrome/content/ffMediaWatchV1home4772ffaction.js
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
ie/MediaWatchV1home4772.dll
Resource
win7-20240708-en
Behavioral task
behavioral12
Sample
ie/MediaWatchV1home4772.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
uninstall.exe
Resource
win7-20241010-en
Behavioral task
behavioral14
Sample
uninstall.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/aminsis.dll
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/aminsis.dll
Resource
win10v2004-20241007-en
General
- Target uninstall.exe
- Size 285KB
- Sample241022-e5t1dsxerd
- SHA256 4d706ac27d19384b05ec0d8d8a56864217fed26f44ef58043377f4f75dfa89aa
- MD5 60db9d2ebd720264d719d61323f0c5b2
- SHA1 b81a3fbb7138e48a501bbd5b421e4d9eb7facf6f
- SHA512 260731d1a796cc66423719051dd3aa32202004f83d3b047f2aecffdaa5e066bcfe0f3f5b4285ee6c3103ab0a47bc77c63e46f4a319e21fa0e54b8bc99c027e9e
- SSDEEP 6144:Ee34GtpeZH+zpyuuz6GZkDOJ/7OafSH5KmrWym09x16:/LeZHkwuPikQ7lKH5p5H9x16
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2400 Au_.exe - Loads dropped DLL 1 IoCs
pid Process 2400 Au_.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
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
resource yara_rule behavioral14/files/0x000a000000023b9e-3.dat nsis_installer_1 behavioral14/files/0x000a000000023b9e-3.dat nsis_installer_2 - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2996 wrote to memory of 2400 2996 uninstall.exe 84 PID 2996 wrote to memory of 2400 2996 uninstall.exe 84 PID 2996 wrote to memory of 2400 2996 uninstall.exe 84
Processes
-
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:2996 -
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:2400
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nsiA6FF.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
- Path C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
- Size 285KB
- SHA256 4d706ac27d19384b05ec0d8d8a56864217fed26f44ef58043377f4f75dfa89aa
- MD5 60db9d2ebd720264d719d61323f0c5b2
- SHA1 b81a3fbb7138e48a501bbd5b421e4d9eb7facf6f
- SHA512 260731d1a796cc66423719051dd3aa32202004f83d3b047f2aecffdaa5e066bcfe0f3f5b4285ee6c3103ab0a47bc77c63e46f4a319e21fa0e54b8bc99c027e9e
- SSDEEP 6144:Ee34GtpeZH+zpyuuz6GZkDOJ/7OafSH5KmrWym09x16:/LeZHkwuPikQ7lKH5p5H9x16
- MD5 SHA1 SHA512 SSDEEP