Overview
overview
10Static
static
362a3384531...18.exe
windows7-x64
1062a3384531...18.exe
windows10-2004-x64
7$PLUGINSDI...nu.dll
windows7-x64
3$PLUGINSDI...nu.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3Uninstall.exe
windows7-x64
7Uninstall.exe
windows10-2004-x64
7$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3Analysis
-
max time kernel
120s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
21-05-2024 08:20
Static task
static1
Behavioral task
behavioral1
Sample
62a3384531a6f4d2c74980833b8f01c0_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
62a3384531a6f4d2c74980833b8f01c0_JaffaCakes118.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win7-20240508-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240508-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral9
Sample
Uninstall.exe
Resource
win7-20240508-en
Behavioral task
behavioral10
Sample
Uninstall.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240508-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240426-en
General
-
Target
Uninstall.exe
-
Size
54KB
-
MD5
cafdc399426afcb8523a207cb5496f4e
-
SHA1
5bcd97c6d36757bce8329af3f7deefff6677d138
-
SHA256
f86eb5b330384114bb42d127403b4756987a9a87deb277c376f8d7e95717e449
-
SHA512
d12cb75a35c6aa1ed401e3168777aca50de41c90a0f92570552ec177054ffb5ce90412c0a77c4e5950684820f57365d19dca1ab72b7f8114817ffb25a26523de
-
SSDEEP
1536:vaLuXE8XPIYyr7jvN0DoJ+cngdLeAyNx5UaLVel:SLuXzXwYyr6DoocnceAQUkVel
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
Un_A.exepid process 2808 Un_A.exe -
Loads dropped DLL 1 IoCs
Processes:
Uninstall.exepid process 1616 Uninstall.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
NSIS installer 2 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe nsis_installer_1 \Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe nsis_installer_2 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Un_A.exepid process 2808 Un_A.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
Uninstall.exedescription pid process target process PID 1616 wrote to memory of 2808 1616 Uninstall.exe Un_A.exe PID 1616 wrote to memory of 2808 1616 Uninstall.exe Un_A.exe PID 1616 wrote to memory of 2808 1616 Uninstall.exe Un_A.exe PID 1616 wrote to memory of 2808 1616 Uninstall.exe Un_A.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe"C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\2⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
-
\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exeFilesize
54KB
MD5cafdc399426afcb8523a207cb5496f4e
SHA15bcd97c6d36757bce8329af3f7deefff6677d138
SHA256f86eb5b330384114bb42d127403b4756987a9a87deb277c376f8d7e95717e449
SHA512d12cb75a35c6aa1ed401e3168777aca50de41c90a0f92570552ec177054ffb5ce90412c0a77c4e5950684820f57365d19dca1ab72b7f8114817ffb25a26523de