299f163bfa323164ca2db712eb788d8b71f7c1b7197aed20e23409368f5d9eed

General

Target

edfdbb51b924bc503979764a107a6b21.exe
Size

1.3MB
MD5

edfdbb51b924bc503979764a107a6b21
SHA1

d5aee7e8fa1c8409df3f8680bd0838e340b02919
SHA256

299f163bfa323164ca2db712eb788d8b71f7c1b7197aed20e23409368f5d9eed
SHA512

0f6a429fe18337890e8445e43bc826c428af256d2691a72701a4a8e4f943943d25b2dcc3ed36a3fd10ffcc8f1609dd1fec3045527c9ee6d118138ec1386aee4d
SSDEEP

24576:KWkI3RbidB+WwCUENepvtCKxGqSMntHnaoyKmQrLL/7hZSqpzyn1IvQqFRM:KZXOWw3XpvcahRnbuQnL/CqpG13ORM

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
9	1236	rundll32.exe
10	1236	rundll32.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 384 set thread context of 2664	384	edfdbb51b924bc503979764a107a6b21.exe	81

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
624	384	WerFault.exe	79

Checks processor information in registry 2 TTPs 19 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	edfdbb51b924bc503979764a107a6b21.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	edfdbb51b924bc503979764a107a6b21.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	edfdbb51b924bc503979764a107a6b21.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	edfdbb51b924bc503979764a107a6b21.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~MHz	edfdbb51b924bc503979764a107a6b21.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Status	edfdbb51b924bc503979764a107a6b21.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Platform Specific Field 1	edfdbb51b924bc503979764a107a6b21.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	edfdbb51b924bc503979764a107a6b21.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Status	edfdbb51b924bc503979764a107a6b21.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Configuration Data	edfdbb51b924bc503979764a107a6b21.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	edfdbb51b924bc503979764a107a6b21.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\FeatureSet	edfdbb51b924bc503979764a107a6b21.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1	edfdbb51b924bc503979764a107a6b21.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Component Information	edfdbb51b924bc503979764a107a6b21.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	edfdbb51b924bc503979764a107a6b21.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	edfdbb51b924bc503979764a107a6b21.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet	edfdbb51b924bc503979764a107a6b21.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\VendorIdentifier	edfdbb51b924bc503979764a107a6b21.exe
Key enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	edfdbb51b924bc503979764a107a6b21.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\TypedURLs	rundll32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings	rundll32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2664	rundll32.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 384 wrote to memory of 1236	384	edfdbb51b924bc503979764a107a6b21.exe	80
PID 384 wrote to memory of 1236	384	edfdbb51b924bc503979764a107a6b21.exe	80
PID 384 wrote to memory of 1236	384	edfdbb51b924bc503979764a107a6b21.exe	80
PID 384 wrote to memory of 1236	384	edfdbb51b924bc503979764a107a6b21.exe	80
PID 384 wrote to memory of 1236	384	edfdbb51b924bc503979764a107a6b21.exe	80
PID 384 wrote to memory of 1236	384	edfdbb51b924bc503979764a107a6b21.exe	80
PID 384 wrote to memory of 1236	384	edfdbb51b924bc503979764a107a6b21.exe	80
PID 384 wrote to memory of 1236	384	edfdbb51b924bc503979764a107a6b21.exe	80
PID 384 wrote to memory of 1236	384	edfdbb51b924bc503979764a107a6b21.exe	80
PID 384 wrote to memory of 1236	384	edfdbb51b924bc503979764a107a6b21.exe	80
PID 384 wrote to memory of 1236	384	edfdbb51b924bc503979764a107a6b21.exe	80
PID 384 wrote to memory of 1236	384	edfdbb51b924bc503979764a107a6b21.exe	80
PID 384 wrote to memory of 1236	384	edfdbb51b924bc503979764a107a6b21.exe	80
PID 384 wrote to memory of 1236	384	edfdbb51b924bc503979764a107a6b21.exe	80
PID 384 wrote to memory of 1236	384	edfdbb51b924bc503979764a107a6b21.exe	80
PID 384 wrote to memory of 1236	384	edfdbb51b924bc503979764a107a6b21.exe	80
PID 384 wrote to memory of 1236	384	edfdbb51b924bc503979764a107a6b21.exe	80
PID 384 wrote to memory of 1236	384	edfdbb51b924bc503979764a107a6b21.exe	80
PID 384 wrote to memory of 1236	384	edfdbb51b924bc503979764a107a6b21.exe	80
PID 384 wrote to memory of 1236	384	edfdbb51b924bc503979764a107a6b21.exe	80
PID 384 wrote to memory of 2664	384	edfdbb51b924bc503979764a107a6b21.exe	81
PID 384 wrote to memory of 2664	384	edfdbb51b924bc503979764a107a6b21.exe	81
PID 384 wrote to memory of 2664	384	edfdbb51b924bc503979764a107a6b21.exe	81
PID 384 wrote to memory of 2664	384	edfdbb51b924bc503979764a107a6b21.exe	81

C:\Users\Admin\AppData\Local\Temp\edfdbb51b924bc503979764a107a6b21.exe
"C:\Users\Admin\AppData\Local\Temp\edfdbb51b924bc503979764a107a6b21.exe"
1⤵
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:384
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#61
  2⤵
  - Blocklisted process makes network request
  PID:1236
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#61
  2⤵
  - Modifies Internet Explorer settings
  - Modifies registry class
  - Suspicious use of FindShellTrayWindow
  PID:2664
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 384 -s 1060
  2⤵
  - Program crash
  PID:624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 384 -ip 384
1⤵
PID:5032

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
3.5MB

MD5
a7d875022bb5e3a34d034b947003d1b3

SHA1
5905ca93fea101ce80e5bf8925eb2a7eec1e333d

SHA256
bcdf4c540c4289f81c98448d0a4482a96522fb767ab6015e76288afce148226a

SHA512
f2b78a100cf0fa84909629b892e548d7ef9797621623a96aa75f15241d7350eecca117c3793056c30dc317ade8ecc0023c2b875516d9c25ac9bb0d880bb3149a

Download Submit
memory/384-156-0x0000000003270000-0x0000000003DD0000-memory.dmp

Filesize
11.4MB

Download
memory/384-155-0x0000000003F40000-0x0000000004080000-memory.dmp

Filesize
1.2MB

Download
memory/384-135-0x0000000000400000-0x0000000000958000-memory.dmp

Filesize
5.3MB

Download
memory/384-136-0x0000000000400000-0x0000000000958000-memory.dmp

Filesize
5.3MB

Download
memory/384-163-0x0000000003270000-0x0000000003DD0000-memory.dmp

Filesize
11.4MB

Download
memory/384-162-0x0000000000400000-0x0000000000958000-memory.dmp

Filesize
5.3MB

Download
memory/384-158-0x0000000003F40000-0x0000000004080000-memory.dmp

Filesize
1.2MB

Download
memory/384-157-0x0000000003F40000-0x0000000004080000-memory.dmp

Filesize
1.2MB

Download
memory/384-132-0x0000000000400000-0x0000000000958000-memory.dmp

Filesize
5.3MB

Download
memory/384-148-0x0000000000400000-0x0000000000958000-memory.dmp

Filesize
5.3MB

Download
memory/384-154-0x0000000003F40000-0x0000000004080000-memory.dmp

Filesize
1.2MB

Download
memory/384-153-0x0000000003F40000-0x0000000004080000-memory.dmp

Filesize
1.2MB

Download
memory/384-152-0x0000000003F40000-0x0000000004080000-memory.dmp

Filesize
1.2MB

Download
memory/384-133-0x000000000270D000-0x000000000282F000-memory.dmp

Filesize
1.1MB

Download
memory/384-134-0x0000000002830000-0x0000000002AFC000-memory.dmp

Filesize
2.8MB

Download
memory/384-150-0x0000000003F40000-0x0000000004080000-memory.dmp

Filesize
1.2MB

Download
memory/384-151-0x0000000003F40000-0x0000000004080000-memory.dmp

Filesize
1.2MB

Download
memory/384-149-0x0000000003270000-0x0000000003DD0000-memory.dmp

Filesize
11.4MB

Download
memory/384-147-0x0000000003270000-0x0000000003DD0000-memory.dmp

Filesize
11.4MB

Download
memory/1236-145-0x0000000000D60000-0x0000000000D63000-memory.dmp

Filesize
12KB

Download
memory/1236-144-0x0000000000D60000-0x0000000000D63000-memory.dmp

Filesize
12KB

Download
memory/1236-143-0x0000000000D50000-0x0000000000D53000-memory.dmp

Filesize
12KB

Download
memory/1236-142-0x0000000000D40000-0x0000000000D43000-memory.dmp

Filesize
12KB

Download
memory/1236-141-0x0000000000D30000-0x0000000000D33000-memory.dmp

Filesize
12KB

Download
memory/1236-140-0x0000000000D20000-0x0000000000D23000-memory.dmp

Filesize
12KB

Download
memory/1236-139-0x0000000000D10000-0x0000000000D13000-memory.dmp

Filesize
12KB

Download
memory/1236-138-0x0000000000D00000-0x0000000000D03000-memory.dmp

Filesize
12KB

Download
memory/2664-160-0x0000000000C50000-0x0000000001690000-memory.dmp

Filesize
10.2MB

Download
memory/2664-161-0x0000000002C30000-0x0000000003790000-memory.dmp

Filesize
11.4MB

Download

Analysis

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