Analysis
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max time kernel
151s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
18-01-2023 00:51
Static task
static1
Behavioral task
behavioral1
Sample
98e3648add4ab0724ebeb54eb720e8ad97ad52b0.js
Resource
win7-20221111-en
General
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Target
98e3648add4ab0724ebeb54eb720e8ad97ad52b0.js
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Size
378KB
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MD5
484e1f6925d5957e9d486e420dc010b7
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SHA1
98e3648add4ab0724ebeb54eb720e8ad97ad52b0
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SHA256
9005a39c203e068daa077fe244e2608d36852dbef6f6ce8b28cc5cc015b89b1b
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SHA512
5b32912e30b446357ce6fe626b8136ae3262cdf4c60b7bc56b16171156a8979001a1a52168c0fe34b2b7526379b4519b7b04c86e17e18f40a62b7361acb0617c
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SSDEEP
6144:6V0EJTElOz43XdvK4tHOh6WfkHi4FjqWkQ2M4MMPpsiscuzAOgied24iD+:cJMW43NsZghqekPpNqAOgBd7iD+
Malware Config
Signatures
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Blocklisted process makes network request 11 IoCs
Processes:
wscript.exerundll32.exeflow pid process 5 2140 wscript.exe 8 2140 wscript.exe 20 2140 wscript.exe 35 2140 wscript.exe 47 2140 wscript.exe 50 2140 wscript.exe 54 2140 wscript.exe 58 2140 wscript.exe 61 1720 rundll32.exe 62 2140 wscript.exe 67 2140 wscript.exe -
Executes dropped EXE 1 IoCs
Processes:
bin.exepid process 3316 bin.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
wscript.exebin.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation wscript.exe Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation bin.exe -
Drops startup file 2 IoCs
Processes:
wscript.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\TzTlSUHDie.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\TzTlSUHDie.js wscript.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of SetThreadContext 2 IoCs
Processes:
bin.exerundll32.exedescription pid process target process PID 3316 set thread context of 2016 3316 bin.exe Explorer.EXE PID 1720 set thread context of 2016 1720 rundll32.exe Explorer.EXE -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4516 3720 WerFault.exe Firefox.exe -
Processes:
rundll32.exedescription ioc process Key created \Registry\User\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 rundll32.exe -
Suspicious behavior: EnumeratesProcesses 50 IoCs
Processes:
bin.exerundll32.exepid process 3316 bin.exe 3316 bin.exe 3316 bin.exe 3316 bin.exe 3316 bin.exe 3316 bin.exe 3316 bin.exe 3316 bin.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Explorer.EXEpid process 2016 Explorer.EXE -
Suspicious behavior: MapViewOfSection 7 IoCs
Processes:
bin.exerundll32.exepid process 3316 bin.exe 3316 bin.exe 3316 bin.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe 1720 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
bin.exeExplorer.EXErundll32.exedescription pid process Token: SeDebugPrivilege 3316 bin.exe Token: SeShutdownPrivilege 2016 Explorer.EXE Token: SeCreatePagefilePrivilege 2016 Explorer.EXE Token: SeDebugPrivilege 1720 rundll32.exe Token: SeShutdownPrivilege 2016 Explorer.EXE Token: SeCreatePagefilePrivilege 2016 Explorer.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
wscript.exeExplorer.EXErundll32.exedescription pid process target process PID 1912 wrote to memory of 2140 1912 wscript.exe wscript.exe PID 1912 wrote to memory of 2140 1912 wscript.exe wscript.exe PID 1912 wrote to memory of 3316 1912 wscript.exe bin.exe PID 1912 wrote to memory of 3316 1912 wscript.exe bin.exe PID 1912 wrote to memory of 3316 1912 wscript.exe bin.exe PID 2016 wrote to memory of 1720 2016 Explorer.EXE rundll32.exe PID 2016 wrote to memory of 1720 2016 Explorer.EXE rundll32.exe PID 2016 wrote to memory of 1720 2016 Explorer.EXE rundll32.exe PID 1720 wrote to memory of 3720 1720 rundll32.exe Firefox.exe PID 1720 wrote to memory of 3720 1720 rundll32.exe Firefox.exe PID 1720 wrote to memory of 3720 1720 rundll32.exe Firefox.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\98e3648add4ab0724ebeb54eb720e8ad97ad52b0.js2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\TzTlSUHDie.js"3⤵
- Blocklisted process makes network request
- Drops startup file
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C:\Users\Admin\AppData\Local\Temp\bin.exe"C:\Users\Admin\AppData\Local\Temp\bin.exe"3⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\SysWOW64\rundll32.exe"2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 3720 -s 1844⤵
- Program crash
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 412 -p 3720 -ip 37201⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\bin.exeFilesize
185KB
MD5f9fdfca55156f35ea48a17947d091f4d
SHA115f10040cf10535deed5ca028150ed847a585d01
SHA2567258963be005d6914901a62c591c56427553f62537f86d70965af16dae57c0d0
SHA51253caa12467706839406c40e8e8a925a67f8c51ddc6abb0bf7db8ca61e03af09714cc954e959c89dae91fb45c07fc113a076e0ab34806933ca7deed520113c302
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C:\Users\Admin\AppData\Local\Temp\bin.exeFilesize
185KB
MD5f9fdfca55156f35ea48a17947d091f4d
SHA115f10040cf10535deed5ca028150ed847a585d01
SHA2567258963be005d6914901a62c591c56427553f62537f86d70965af16dae57c0d0
SHA51253caa12467706839406c40e8e8a925a67f8c51ddc6abb0bf7db8ca61e03af09714cc954e959c89dae91fb45c07fc113a076e0ab34806933ca7deed520113c302
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C:\Users\Admin\AppData\Roaming\TzTlSUHDie.jsFilesize
18KB
MD590c052e2282de1c12470fc54d62681d9
SHA1ea069b254dde1f6cad46afedf55c69d4516a0d7a
SHA256be62476863ca538e76f33e4758a5a5af8609d681026c4e325d8d667470aa9097
SHA51273661062644236fcd76f689a8271f5f2c875468fbfdd4a4431a2b419c8bc093129345ee9b83d4f87eaa389a1ff12e776ba5d0d5845899931e1b72c32d4cb5ea7
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memory/1720-144-0x00000000004C0000-0x00000000004ED000-memory.dmpFilesize
180KB
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memory/1720-146-0x0000000000B60000-0x0000000000BEF000-memory.dmpFilesize
572KB
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memory/1720-141-0x0000000000000000-mapping.dmp
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memory/1720-145-0x00000000023E0000-0x000000000272A000-memory.dmpFilesize
3.3MB
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memory/1720-143-0x00000000007A0000-0x00000000007B4000-memory.dmpFilesize
80KB
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memory/2016-148-0x0000000002880000-0x0000000002977000-memory.dmpFilesize
988KB
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memory/2016-147-0x0000000002880000-0x0000000002977000-memory.dmpFilesize
988KB
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memory/2016-140-0x0000000002790000-0x000000000287D000-memory.dmpFilesize
948KB
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memory/2140-132-0x0000000000000000-mapping.dmp
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memory/3316-139-0x00000000003F0000-0x0000000000400000-memory.dmpFilesize
64KB
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memory/3316-142-0x00000000007B0000-0x00000000007DF000-memory.dmpFilesize
188KB
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memory/3316-134-0x0000000000000000-mapping.dmp
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memory/3316-138-0x0000000000DF0000-0x000000000113A000-memory.dmpFilesize
3.3MB
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memory/3316-137-0x00000000007B0000-0x00000000007DF000-memory.dmpFilesize
188KB