72cb26ac08fa4ba35112a093b506eb97f730537f9a011a20ad8049d4da6fcb77

Resubmissions

03-05-2022 13:05

220503-qbj4wafba7 8

20-04-2022 06:43

220420-hgxcdshgam 8

Analysis

max time kernel
62s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
20-04-2022 06:43

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Report Analysis Logs

General

Target

8fba92e7730c734197c8e5977533df77.exe
Size

975KB
MD5

8fba92e7730c734197c8e5977533df77
SHA1

8106d808d0199d230b5943f15b1d85d05334d3ea
SHA256

72cb26ac08fa4ba35112a093b506eb97f730537f9a011a20ad8049d4da6fcb77
SHA512

ab1e7246e219b63b65082de10be4f6880bee0e1b04a50722bb7a1b8cfa81853a5793f581decfc43b5f1cf02d01fdd4fa3bc047cbc28afc0f37f6f87b75b397bb

Score

8^/10

discovery spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
8	2192	rundll32.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2884 set thread context of 540	2884	8fba92e7730c734197c8e5977533df77.exe	89

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

System Information Discovery
T1082

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4132	2884	WerFault.exe	78
3572	2884	WerFault.exe	78
4816	2884	WerFault.exe	78
4568	2884	WerFault.exe	78

Checks processor information in registry 2 TTPs 41 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\VendorIdentifier	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Previous Update Revision	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	8fba92e7730c734197c8e5977533df77.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Previous Update Revision	8fba92e7730c734197c8e5977533df77.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\VendorIdentifier	8fba92e7730c734197c8e5977533df77.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	8fba92e7730c734197c8e5977533df77.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	8fba92e7730c734197c8e5977533df77.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	8fba92e7730c734197c8e5977533df77.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Component Information	8fba92e7730c734197c8e5977533df77.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Status	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Identifier	8fba92e7730c734197c8e5977533df77.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Status	8fba92e7730c734197c8e5977533df77.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~MHz	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1	8fba92e7730c734197c8e5977533df77.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Platform Specific Field 1	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	8fba92e7730c734197c8e5977533df77.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Previous Update Revision	8fba92e7730c734197c8e5977533df77.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	8fba92e7730c734197c8e5977533df77.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	8fba92e7730c734197c8e5977533df77.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Platform Specific Field 1	8fba92e7730c734197c8e5977533df77.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Configuration Data	8fba92e7730c734197c8e5977533df77.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	rundll32.exe
Key enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	8fba92e7730c734197c8e5977533df77.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Configuration Data	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Configuration Data	rundll32.exe
Key enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	8fba92e7730c734197c8e5977533df77.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Configuration Data	8fba92e7730c734197c8e5977533df77.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision	8fba92e7730c734197c8e5977533df77.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Previous Update Revision	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Component Information	rundll32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
540	rundll32.exe
540	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	540	rundll32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
540	rundll32.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 2192	2884	8fba92e7730c734197c8e5977533df77.exe	80
PID 2884 wrote to memory of 2192	2884	8fba92e7730c734197c8e5977533df77.exe	80
PID 2884 wrote to memory of 2192	2884	8fba92e7730c734197c8e5977533df77.exe	80
PID 2884 wrote to memory of 2192	2884	8fba92e7730c734197c8e5977533df77.exe	80
PID 2884 wrote to memory of 2192	2884	8fba92e7730c734197c8e5977533df77.exe	80
PID 2884 wrote to memory of 2192	2884	8fba92e7730c734197c8e5977533df77.exe	80
PID 2884 wrote to memory of 2192	2884	8fba92e7730c734197c8e5977533df77.exe	80
PID 2884 wrote to memory of 2192	2884	8fba92e7730c734197c8e5977533df77.exe	80
PID 2884 wrote to memory of 2192	2884	8fba92e7730c734197c8e5977533df77.exe	80
PID 2884 wrote to memory of 2192	2884	8fba92e7730c734197c8e5977533df77.exe	80
PID 2884 wrote to memory of 2192	2884	8fba92e7730c734197c8e5977533df77.exe	80
PID 2884 wrote to memory of 2192	2884	8fba92e7730c734197c8e5977533df77.exe	80
PID 2884 wrote to memory of 2192	2884	8fba92e7730c734197c8e5977533df77.exe	80
PID 2884 wrote to memory of 2192	2884	8fba92e7730c734197c8e5977533df77.exe	80
PID 2884 wrote to memory of 2192	2884	8fba92e7730c734197c8e5977533df77.exe	80
PID 2884 wrote to memory of 2192	2884	8fba92e7730c734197c8e5977533df77.exe	80
PID 2884 wrote to memory of 2192	2884	8fba92e7730c734197c8e5977533df77.exe	80
PID 2884 wrote to memory of 2192	2884	8fba92e7730c734197c8e5977533df77.exe	80
PID 2884 wrote to memory of 2192	2884	8fba92e7730c734197c8e5977533df77.exe	80
PID 2884 wrote to memory of 540	2884	8fba92e7730c734197c8e5977533df77.exe	89
PID 2884 wrote to memory of 540	2884	8fba92e7730c734197c8e5977533df77.exe	89
PID 2884 wrote to memory of 540	2884	8fba92e7730c734197c8e5977533df77.exe	89
PID 2884 wrote to memory of 540	2884	8fba92e7730c734197c8e5977533df77.exe	89

C:\Users\Admin\AppData\Local\Temp\8fba92e7730c734197c8e5977533df77.exe
"C:\Users\Admin\AppData\Local\Temp\8fba92e7730c734197c8e5977533df77.exe"
1⤵
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#61
  2⤵
  - Blocklisted process makes network request
  PID:2192
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2884 -s 624
  2⤵
  - Program crash
  PID:4132
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2884 -s 852
  2⤵
  - Program crash
  PID:3572
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2884 -s 952
  2⤵
  - Program crash
  PID:4816
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2884 -s 996
  2⤵
  - Program crash
  PID:4568
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#61
  2⤵
  - Checks processor information in registry
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2884 -ip 2884
1⤵
PID:4160

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2884 -ip 2884
1⤵
PID:4484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2884 -ip 2884
1⤵
PID:4796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2884 -ip 2884
1⤵
PID:4956

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Wysrrtpeu.tmp

Filesize
3.1MB

MD5
64fe5740f3dd726c1fbb9cac70e55666

SHA1
e2a830f232878c5da0be1795c7a4518e4ee52431

SHA256
ae1638c788ae8f402a7f6df7f01e8cc837206e042460309a8eca4ca9a5f83bf0

SHA512
727369b06dc9ec443fe60ec4033fe3a3aa278e50a841924c54dbe51fc3227be8b2bc226ffc1a19614a38c2050dfd97f6782c42003f7acc655dc785bc25a3e5fc

Download Submit
memory/540-158-0x0000000003220000-0x0000000003C70000-memory.dmp

Filesize
10.3MB

Download
memory/540-162-0x0000000003DB0000-0x0000000003EF0000-memory.dmp

Filesize
1.2MB

Download
memory/540-161-0x0000000003DB0000-0x0000000003EF0000-memory.dmp

Filesize
1.2MB

Download
memory/540-157-0x0000000000E60000-0x0000000001790000-memory.dmp

Filesize
9.2MB

Download
memory/540-156-0x0000000003F80000-0x0000000003F81000-memory.dmp

Filesize
4KB

Download
memory/540-159-0x0000000003220000-0x0000000003C70000-memory.dmp

Filesize
10.3MB

Download
memory/540-160-0x0000000004180000-0x0000000004181000-memory.dmp

Filesize
4KB

Download
memory/2192-136-0x0000000000640000-0x0000000000643000-memory.dmp

Filesize
12KB

Download
memory/2192-135-0x0000000000630000-0x0000000000633000-memory.dmp

Filesize
12KB

Download
memory/2192-134-0x0000000000620000-0x0000000000623000-memory.dmp

Filesize
12KB

Download
memory/2884-138-0x0000000002ED0000-0x0000000003920000-memory.dmp

Filesize
10.3MB

Download
memory/2884-151-0x0000000003AA0000-0x0000000003AA1000-memory.dmp

Filesize
4KB

Download
memory/2884-145-0x0000000002720000-0x0000000002721000-memory.dmp

Filesize
4KB

Download
memory/2884-146-0x0000000003B20000-0x0000000003C60000-memory.dmp

Filesize
1.2MB

Download
memory/2884-147-0x0000000003B20000-0x0000000003C60000-memory.dmp

Filesize
1.2MB

Download
memory/2884-148-0x0000000002730000-0x0000000002731000-memory.dmp

Filesize
4KB

Download
memory/2884-149-0x0000000003B20000-0x0000000003C60000-memory.dmp

Filesize
1.2MB

Download
memory/2884-150-0x0000000003B20000-0x0000000003C60000-memory.dmp

Filesize
1.2MB

Download
memory/2884-152-0x0000000003B20000-0x0000000003C60000-memory.dmp

Filesize
1.2MB

Download
memory/2884-144-0x0000000003B20000-0x0000000003C60000-memory.dmp

Filesize
1.2MB

Download
memory/2884-153-0x0000000003B20000-0x0000000003C60000-memory.dmp

Filesize
1.2MB

Download
memory/2884-143-0x0000000003B20000-0x0000000003C60000-memory.dmp

Filesize
1.2MB

Download
memory/2884-142-0x0000000002700000-0x0000000002701000-memory.dmp

Filesize
4KB

Download
memory/2884-141-0x0000000002ED0000-0x0000000003920000-memory.dmp

Filesize
10.3MB

Download
memory/2884-140-0x0000000003A90000-0x0000000003A91000-memory.dmp

Filesize
4KB

Download
memory/2884-139-0x0000000002ED0000-0x0000000003920000-memory.dmp

Filesize
10.3MB

Download
memory/2884-130-0x0000000002353000-0x000000000241A000-memory.dmp

Filesize
796KB

Download
memory/2884-132-0x0000000000400000-0x00000000005F6000-memory.dmp

Filesize
2.0MB

Download
memory/2884-131-0x0000000002460000-0x000000000264A000-memory.dmp

Filesize
1.9MB

Download