Overview
overview
7Static
static
36e44038874...18.exe
windows7-x64
76e44038874...18.exe
windows10-2004-x64
7$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows7-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows7-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$PLUGINSDI...ss.dll
windows7-x64
3$PLUGINSDI...ss.dll
windows10-2004-x64
3$WINDIR/Sy...cs.dll
windows7-x64
1$WINDIR/Sy...cs.dll
windows10-2004-x64
1$_2_/SBIEB...ct.dll
windows7-x64
6$_2_/SBIEB...ct.dll
windows10-2004-x64
6$_2_/rlz_id.dll
windows7-x64
3$_2_/rlz_id.dll
windows10-2004-x64
3$_2_/sma.exe
windows7-x64
1$_2_/sma.exe
windows10-2004-x64
1$_2_/smci32.dll
windows7-x64
3$_2_/smci32.dll
windows10-2004-x64
1$_2_/smci64.dll
windows7-x64
1$_2_/smci64.dll
windows10-2004-x64
1$_2_/smi32.exe
windows7-x64
1$_2_/smi32.exe
windows10-2004-x64
1$_2_/smi64.exe
windows7-x64
1$_2_/smi64.exe
windows10-2004-x64
1$_2_/smu.exe
windows7-x64
1$_2_/smu.exe
windows10-2004-x64
7$_2_/smw.dll
windows7-x64
1$_2_/smw.dll
windows10-2004-x64
1Analysis
-
max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
24-05-2024 10:56
Static task
static1
Behavioral task
behavioral1
Sample
6e44038874ba9925eb17a7e65dae99ea_JaffaCakes118.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
6e44038874ba9925eb17a7e65dae99ea_JaffaCakes118.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240508-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsExec.dll
Resource
win7-20240419-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsProcess.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral11
Sample
$WINDIR/System32/rsrcs.dll
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
$WINDIR/System32/rsrcs.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
$_2_/SBIEBrowserHelperObject.dll
Resource
win7-20231129-en
Behavioral task
behavioral14
Sample
$_2_/SBIEBrowserHelperObject.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral15
Sample
$_2_/rlz_id.dll
Resource
win7-20240220-en
Behavioral task
behavioral16
Sample
$_2_/rlz_id.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral17
Sample
$_2_/sma.exe
Resource
win7-20240221-en
Behavioral task
behavioral18
Sample
$_2_/sma.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral19
Sample
$_2_/smci32.dll
Resource
win7-20240221-en
Behavioral task
behavioral20
Sample
$_2_/smci32.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral21
Sample
$_2_/smci64.dll
Resource
win7-20240508-en
Behavioral task
behavioral22
Sample
$_2_/smci64.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral23
Sample
$_2_/smi32.exe
Resource
win7-20240508-en
Behavioral task
behavioral24
Sample
$_2_/smi32.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral25
Sample
$_2_/smi64.exe
Resource
win7-20240220-en
Behavioral task
behavioral26
Sample
$_2_/smi64.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral27
Sample
$_2_/smu.exe
Resource
win7-20240221-en
Behavioral task
behavioral28
Sample
$_2_/smu.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral29
Sample
$_2_/smw.dll
Resource
win7-20240215-en
Behavioral task
behavioral30
Sample
$_2_/smw.dll
Resource
win10v2004-20240508-en
General
-
Target
$_2_/SBIEBrowserHelperObject.dll
-
Size
85KB
-
MD5
52d293049d6a20efc18b9b8a069f165a
-
SHA1
94fc38dda4c6571e34b76429627f8e038cd8a8b1
-
SHA256
a61fb12c44f70e0afa16f545ccd780abdc53668bcbf2a5860a28d98b41a461f4
-
SHA512
3dad6d3b609c4248212301d74fc63448380ef831fb3ce228a2ab9678a90b31d61301b484bd2cc26fcb2cd6c2167a304a4fbc01450fc9bcf286d2ef76988b3ccc
-
SSDEEP
1536:x72vJ+JQ3jOP1uoq/nyCJd1eeYEcEltXsWjcdXC8loQYy:x72R+mOPwj6BgiS8lH
Malware Config
Signatures
-
Installs/modifies Browser Helper Object 2 TTPs 2 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{BC80074F-05FC-42b4-96F8-B2BE8E1148C0} regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{BC80074F-05FC-42b4-96F8-B2BE8E1148C0}\NoExplorer = "1" regsvr32.exe -
Modifies registry class 5 IoCs
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BC80074F-05FC-42b4-96F8-B2BE8E1148C0} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BC80074F-05FC-42b4-96F8-B2BE8E1148C0}\ = "SBOX BHO" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BC80074F-05FC-42b4-96F8-B2BE8E1148C0}\InProcServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BC80074F-05FC-42b4-96F8-B2BE8E1148C0}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$_2_\\SBIEBrowserHelperObject.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BC80074F-05FC-42b4-96F8-B2BE8E1148C0}\InProcServer32\ThreadingModel = "Apartment" regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
regsvr32.exedescription pid process target process PID 2392 wrote to memory of 1896 2392 regsvr32.exe regsvr32.exe PID 2392 wrote to memory of 1896 2392 regsvr32.exe regsvr32.exe PID 2392 wrote to memory of 1896 2392 regsvr32.exe regsvr32.exe PID 2392 wrote to memory of 1896 2392 regsvr32.exe regsvr32.exe PID 2392 wrote to memory of 1896 2392 regsvr32.exe regsvr32.exe PID 2392 wrote to memory of 1896 2392 regsvr32.exe regsvr32.exe PID 2392 wrote to memory of 1896 2392 regsvr32.exe regsvr32.exe
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\$_2_\SBIEBrowserHelperObject.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2392 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\$_2_\SBIEBrowserHelperObject.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:1896