3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f

Analysis

max time kernel
91s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2022 12:11

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General

Target

3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe
Size

841KB
MD5

c187e8adbe07b83e037b9c6d4837d310
SHA1

a04435d2c4dbad48ce86c9e18414ae9280d24adb
SHA256

3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f
SHA512

afe02597baca9325cca8c006188c89f048f42fbee9e664db18297c305213485d24476cede6f14928f0883e09177e2a608931fce0bde108c30820350c30e1962e
SSDEEP

24576:5CdWiD87YZ1IhUwl6jMQuaoUSQ042l5tOmSQfvCS+AM:5C0iHI3lC6aoU8jUm9X1

Score

8^/10

discovery

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
7	4248	rundll32.exe
14	4248	rundll32.exe

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 2288 set thread context of 1896	2288	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe	82

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

pid	pid_target	Process	procid_target
4900	2288	WerFault.exe	78

Checks processor information in registry 2 TTPs 49 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\1\FeatureSet	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\1\Update Status	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Previous Update Revision	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	rundll32.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.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\ProcessorNameString	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Configuration Data	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Previous Update Revision	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Identifier	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\VendorIdentifier	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Component Information	rundll32.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\Previous Update Revision	rundll32.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe
Key enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Component Information	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Component Information	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Status	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~MHz	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Configuration Data	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.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\~MHz	rundll32.exe
Key enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Identifier	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~MHz	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Previous Update Revision	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Configuration Data	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Revision	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	rundll32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1896	rundll32.exe
1896	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1896	rundll32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1896	rundll32.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 4248	2288	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe	79
PID 2288 wrote to memory of 4248	2288	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe	79
PID 2288 wrote to memory of 4248	2288	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe	79
PID 2288 wrote to memory of 4248	2288	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe	79
PID 2288 wrote to memory of 4248	2288	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe	79
PID 2288 wrote to memory of 4248	2288	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe	79
PID 2288 wrote to memory of 4248	2288	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe	79
PID 2288 wrote to memory of 4248	2288	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe	79
PID 2288 wrote to memory of 4248	2288	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe	79
PID 2288 wrote to memory of 4248	2288	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe	79
PID 2288 wrote to memory of 4248	2288	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe	79
PID 2288 wrote to memory of 4248	2288	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe	79
PID 2288 wrote to memory of 4248	2288	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe	79
PID 2288 wrote to memory of 4248	2288	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe	79
PID 2288 wrote to memory of 4248	2288	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe	79
PID 2288 wrote to memory of 4248	2288	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe	79
PID 2288 wrote to memory of 4248	2288	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe	79
PID 2288 wrote to memory of 4248	2288	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe	79
PID 2288 wrote to memory of 4248	2288	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe	79
PID 2288 wrote to memory of 1896	2288	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe	82
PID 2288 wrote to memory of 1896	2288	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe	82
PID 2288 wrote to memory of 1896	2288	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe	82
PID 2288 wrote to memory of 1896	2288	3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe	82

C:\Users\Admin\AppData\Local\Temp\3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe
"C:\Users\Admin\AppData\Local\Temp\3d475a2b438a34d06fb7d9451d3a7f1ce3bf3b10a8f01caa2941f9ddd5b6188f.exe"
1⤵
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#61
  2⤵
  - Blocklisted process makes network request
  PID:4248
- 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:1896
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 1060
  2⤵
  - Program crash
  PID:4900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2288 -ip 2288
1⤵
PID:2388

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
3.5MB

MD5
1951049d57a12b81d96e53ba69eecc2e

SHA1
7c02ee5b4c4f1de5e7955d641c0c4949a9907a22

SHA256
f904e96e8666928f318f5515400282402d1f5d4a6f05304b9e92982ef32e3ba4

SHA512
e7d4f0fd41b8cb17f3969ad094e114bff74c82d57676a23728bd232b83c36116104c1b364d896681f1b0ce0b6ecb746f47ddafbc0b5ac88801bfd599db5abe15

Download Submit
memory/1896-151-0x0000000000000000-mapping.dmp

Download
memory/1896-159-0x0000000003020000-0x0000000003B79000-memory.dmp

Filesize
11.3MB

Download
memory/1896-158-0x0000000003B80000-0x0000000003CC0000-memory.dmp

Filesize
1.2MB

Download
memory/1896-157-0x0000000003B80000-0x0000000003CC0000-memory.dmp

Filesize
1.2MB

Download
memory/1896-156-0x0000000003B80000-0x0000000003CC0000-memory.dmp

Filesize
1.2MB

Download
memory/1896-155-0x0000000003B80000-0x0000000003CC0000-memory.dmp

Filesize
1.2MB

Download
memory/1896-154-0x0000000003020000-0x0000000003B79000-memory.dmp

Filesize
11.3MB

Download
memory/1896-152-0x0000000003020000-0x0000000003B79000-memory.dmp

Filesize
11.3MB

Download
memory/1896-153-0x0000000000A20000-0x0000000001459000-memory.dmp

Filesize
10.2MB

Download
memory/2288-147-0x0000000006B30000-0x0000000006C70000-memory.dmp

Filesize
1.2MB

Download
memory/2288-141-0x0000000005C20000-0x0000000006779000-memory.dmp

Filesize
11.3MB

Download
memory/2288-144-0x0000000006B30000-0x0000000006C70000-memory.dmp

Filesize
1.2MB

Download
memory/2288-145-0x0000000006B30000-0x0000000006C70000-memory.dmp

Filesize
1.2MB

Download
memory/2288-132-0x00000000020F3000-0x0000000002194000-memory.dmp

Filesize
644KB

Download
memory/2288-146-0x0000000006B30000-0x0000000006C70000-memory.dmp

Filesize
1.2MB

Download
memory/2288-148-0x0000000006B30000-0x0000000006C70000-memory.dmp

Filesize
1.2MB

Download
memory/2288-150-0x0000000006B30000-0x0000000006C70000-memory.dmp

Filesize
1.2MB

Download
memory/2288-149-0x0000000006B30000-0x0000000006C70000-memory.dmp

Filesize
1.2MB

Download
memory/2288-143-0x0000000006B30000-0x0000000006C70000-memory.dmp

Filesize
1.2MB

Download
memory/2288-142-0x0000000005C20000-0x0000000006779000-memory.dmp

Filesize
11.3MB

Download
memory/2288-161-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/2288-138-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/2288-160-0x0000000005C20000-0x0000000006779000-memory.dmp

Filesize
11.3MB

Download
memory/2288-133-0x00000000021C0000-0x00000000022B5000-memory.dmp

Filesize
980KB

Download
memory/2288-134-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/4248-135-0x0000000000000000-mapping.dmp

Download
memory/4248-136-0x0000000000480000-0x0000000000483000-memory.dmp

Filesize
12KB

Download
memory/4248-137-0x0000000000490000-0x0000000000493000-memory.dmp

Filesize
12KB

Download
memory/4248-139-0x0000000000490000-0x0000000000493000-memory.dmp

Filesize
12KB

Download