390d7472201e8ea9bdc6c7fa2b4ab1f6faca02071f1f997037cc5f52759a9cb6

Resubmissions

12-11-2021 18:04

211112-wnzb8aahhm 10

19-11-2020 10:08

201119-rhwlt38jrx 10

18-11-2020 17:26

201118-htd4fq29va 10

Analysis

max time kernel
300s
max time network
318s
platform
windows10_x64
resource
win10-en-20211014
submitted
12-11-2021 18:04

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General

Target

ForceOp 2.8.7 - By RaiSence.exe
Size

1.0MB
MD5

0a88ebdd3ae5ab0b006d4eaa2f5bc4b2
SHA1

6bf1215ac7b1fde54442a9d075c84544b6e80d50
SHA256

26509645fe956ff1b7c540b935f88817281b65413c62da67e597eaefb2406680
SHA512

54c8cde607bd33264c61dbe750a34f8dd190dfa400fc063b61efcd4426f0635c8de42bc3daf8befb14835856b4477fec3bdc8806c555e49684528ff67dd45f37

Score

10^/10

Malware Config

Signatures

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 2744 created 1276 2744 WerFault.exe svchost.exe
Executes dropped EXE 2 IoCs

Processes:

wincommon.exesvchost.exe

pid process

2012 wincommon.exe
1276 svchost.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2744 1276 WerFault.exe svchost.exe
Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

1028 schtasks.exe
2128 schtasks.exe
1872 schtasks.exe
Modifies registry class 1 IoCs

Processes:

ForceOp 2.8.7 - By RaiSence.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings ForceOp 2.8.7 - By RaiSence.exe

description	pid	process	target process
PID 2744 created 1276	2744	WerFault.exe	svchost.exe

pid	pid_target	process	target process
2744	1276	WerFault.exe	svchost.exe

pid	process
1028	schtasks.exe
2128	schtasks.exe
1872	schtasks.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings	ForceOp 2.8.7 - By RaiSence.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

wincommon.exesvchost.exeWerFault.exe

pid	process
2012	wincommon.exe
1276	svchost.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

wincommon.exesvchost.exeWerFault.exe

description pid process

Token: SeDebugPrivilege 2012 wincommon.exe
Token: SeDebugPrivilege 1276 svchost.exe
Token: SeDebugPrivilege 2744 WerFault.exe

description	pid	process
Token: SeDebugPrivilege	2012	wincommon.exe
Token: SeDebugPrivilege	1276	svchost.exe
Token: SeDebugPrivilege	2744	WerFault.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

ForceOp 2.8.7 - By RaiSence.exeWScript.execmd.exewincommon.exe

description	pid	process	target process
PID 2592 wrote to memory of 3952	2592	ForceOp 2.8.7 - By RaiSence.exe	WScript.exe
PID 2592 wrote to memory of 3952	2592	ForceOp 2.8.7 - By RaiSence.exe	WScript.exe
PID 2592 wrote to memory of 3952	2592	ForceOp 2.8.7 - By RaiSence.exe	WScript.exe
PID 2592 wrote to memory of 3176	2592	ForceOp 2.8.7 - By RaiSence.exe	WScript.exe
PID 2592 wrote to memory of 3176	2592	ForceOp 2.8.7 - By RaiSence.exe	WScript.exe
PID 2592 wrote to memory of 3176	2592	ForceOp 2.8.7 - By RaiSence.exe	WScript.exe
PID 3952 wrote to memory of 860	3952	WScript.exe	cmd.exe
PID 3952 wrote to memory of 860	3952	WScript.exe	cmd.exe
PID 3952 wrote to memory of 860	3952	WScript.exe	cmd.exe
PID 860 wrote to memory of 2012	860	cmd.exe	wincommon.exe
PID 860 wrote to memory of 2012	860	cmd.exe	wincommon.exe
PID 2012 wrote to memory of 1872	2012	wincommon.exe	schtasks.exe
PID 2012 wrote to memory of 1872	2012	wincommon.exe	schtasks.exe
PID 2012 wrote to memory of 1028	2012	wincommon.exe	schtasks.exe
PID 2012 wrote to memory of 1028	2012	wincommon.exe	schtasks.exe
PID 2012 wrote to memory of 2128	2012	wincommon.exe	schtasks.exe
PID 2012 wrote to memory of 2128	2012	wincommon.exe	schtasks.exe
PID 2012 wrote to memory of 1276	2012	wincommon.exe	svchost.exe
PID 2012 wrote to memory of 1276	2012	wincommon.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\ForceOp 2.8.7 - By RaiSence.exe
"C:\Users\Admin\AppData\Local\Temp\ForceOp 2.8.7 - By RaiSence.exe"
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2592

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\intofont\1Udi0TDz635jTrMWFNrE4kqnOIuYIi.vbe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3952

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\intofont\xLg6v1j1ZJy5DZ1pz826KfZq2BmfLM.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:860

C:\intofont\wincommon.exe
"C:\intofont\wincommon.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2012

C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "dllhost" /sc ONLOGON /tr "'C:\odt\dllhost.exe'" /rl HIGHEST /f
5⤵
- Creates scheduled task(s)
PID:1872

C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "explorer" /sc ONLOGON /tr "'C:\intofont\explorer.exe'" /rl HIGHEST /f
5⤵
- Creates scheduled task(s)
PID:1028

C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "svchost" /sc ONLOGON /tr "'C:\Users\Default User\svchost.exe'" /rl HIGHEST /f
5⤵
- Creates scheduled task(s)
PID:2128

C:\Users\Default User\svchost.exe
"C:\Users\Default User\svchost.exe"
5⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1276

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1276 -s 1824
6⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2744

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\intofont\msg.vbs"
2⤵
PID:3176

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Default User\svchost.exe
MD5
9134637118b2a4485fb46d439133749b

SHA1
25b60dba36e432f53f68603797d50b9c6cc127ce

SHA256
5dca1a463f5308018c477503a5179f45c468245dd4a84732ee824bd704521acc

SHA512
a6db12e3349c034051940b15adbb530ba34152ccbe41afc210dad7e64331221b3dbae1563a2f3b79a43d12da54eaeac3f30cfb708ebc75ab6a9dfc30a8f1e601

Download Submit
C:\Users\Default\svchost.exe
MD5
9134637118b2a4485fb46d439133749b

SHA1
25b60dba36e432f53f68603797d50b9c6cc127ce

SHA256
5dca1a463f5308018c477503a5179f45c468245dd4a84732ee824bd704521acc

SHA512
a6db12e3349c034051940b15adbb530ba34152ccbe41afc210dad7e64331221b3dbae1563a2f3b79a43d12da54eaeac3f30cfb708ebc75ab6a9dfc30a8f1e601

Download Submit
C:\intofont\1Udi0TDz635jTrMWFNrE4kqnOIuYIi.vbe
MD5
35f693ab095c33d4c62230d69ff6b43f

SHA1
19e8b126076b5e5d8e8b97f3757ad99357915bf4

SHA256
1a3b550ae14c360fd9600e52924706a356290939317f3a32b35bfa97b5dbc163

SHA512
1e2599c7b10a1fc5c004d7d68c487028d5d2d6a1102af0150ea0c15663819dac42e3a55a769cc532cf45f9f037cece3fcdc2820f2bfbe8439fd0a3d5a16bb4df

Download Submit
C:\intofont\MOS
MD5
cb456215c3333db0551bd0788bc258c7

SHA1
a0b861f6121344b631992c8252fa8748835e4df6

SHA256
7e7b3a01539b5dd82108fe0dc455a76294708bb782f8f7590b06f0975fdf93c1

SHA512
796ccc0f1fc4a990fe3c50f54a2d009e6ddb8e4e062ac1839a2c2c1e6f120311dad66fa86211137cb38cce27a99614085702d5fe9b6f3effc5dd1db0ad879448

Download Submit
C:\intofont\msg.vbs
MD5
01c71ea2d98437129936261c48403132

SHA1
dc689fb68a3e7e09a334e7a37c0d10d0641af1a6

SHA256
0401f2dd76d5ed6f90c82b72e1e7a122ef127bedbaf717532c4bba26d43a0061

SHA512
a668d4216a50ccc699221dd902d8b0f864e44368dc7474fa5659a739154d4e769b85d49b60a73affb8fba7628e7210b0f8106d5652006d1bbba67083513e65d9

Download Submit
C:\intofont\wincommon.exe
MD5
9134637118b2a4485fb46d439133749b

SHA1
25b60dba36e432f53f68603797d50b9c6cc127ce

SHA256
5dca1a463f5308018c477503a5179f45c468245dd4a84732ee824bd704521acc

SHA512
a6db12e3349c034051940b15adbb530ba34152ccbe41afc210dad7e64331221b3dbae1563a2f3b79a43d12da54eaeac3f30cfb708ebc75ab6a9dfc30a8f1e601

Download Submit
C:\intofont\wincommon.exe
MD5
9134637118b2a4485fb46d439133749b

SHA1
25b60dba36e432f53f68603797d50b9c6cc127ce

SHA256
5dca1a463f5308018c477503a5179f45c468245dd4a84732ee824bd704521acc

SHA512
a6db12e3349c034051940b15adbb530ba34152ccbe41afc210dad7e64331221b3dbae1563a2f3b79a43d12da54eaeac3f30cfb708ebc75ab6a9dfc30a8f1e601

Download Submit
C:\intofont\xLg6v1j1ZJy5DZ1pz826KfZq2BmfLM.bat
MD5
9fe442702fb57ffec2b831c3949a74e0

SHA1
e285d89241ef0aeeeb50f65e09a741baf399cb1f

SHA256
d50176a5de27bc9b4c52ebb4e30ec4cbf1e6a79eda4d83a013b220f489a5bcb9

SHA512
548a8df7f0d9278f84eca35bf40638a4572cb625050f7a0684ee14b2117df8307101d8f9383c3fcab23fcf656c21f69db3f4509a037307ed6658ff4c063b4eab

Download Submit
memory/860-124-0x0000000000000000-mapping.dmp

Download
memory/1028-133-0x0000000000000000-mapping.dmp

Download
memory/1276-140-0x000000001BC02000-0x000000001BC03000-memory.dmp

Filesize
4KB

Download
memory/1276-135-0x0000000000000000-mapping.dmp

Download
memory/1872-132-0x0000000000000000-mapping.dmp

Download
memory/2012-128-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/2012-131-0x0000000002220000-0x0000000002221000-memory.dmp

Filesize
4KB

Download
memory/2012-130-0x0000000000930000-0x0000000000932000-memory.dmp

Filesize
8KB

Download
memory/2012-125-0x0000000000000000-mapping.dmp

Download
memory/2128-134-0x0000000000000000-mapping.dmp

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memory/3176-119-0x0000000000000000-mapping.dmp

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memory/3952-118-0x0000000000000000-mapping.dmp

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