625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b

General

Target

625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe
Size

1.1MB
MD5

3d3b34c9c744f181884b7b4b41c1af60
SHA1

39dc152d324d756d28417aa3ff36f5f3a5a4a796
SHA256

625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b
SHA512

059da0608bbf11c14726f24f6fd99fec7a896171a0c86687874b7f87df4de9561f2e615ea7a7ac169aef3e0936afd24dfe63ca0fb4f3f2ed94d174f24b72a8a9
SSDEEP

3072:iyf8n+BnNpiXN5U+M/hQuaCA3VMxDJAQO7LN:i/+BnNpCqP/hQuavirOH

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 4 IoCs

Processes:

winlogon.exewinlogon.exewinlogon.exewinlogon.exe

pid process

2700 winlogon.exe
4008 winlogon.exe
4444 winlogon.exe
3916 winlogon.exe

pid	process
2700	winlogon.exe
4008	winlogon.exe
4444	winlogon.exe
3916	winlogon.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/4704-134-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/4704-136-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/4704-137-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/4704-140-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/4704-149-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/4008-154-0x0000000000400000-0x000000000041C000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exewinlogon.exewinlogon.exe

description	pid	process	target process
PID 4056 set thread context of 4704	4056	625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe	625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe
PID 2700 set thread context of 4008	2700	winlogon.exe	winlogon.exe
PID 4008 set thread context of 4444	4008	winlogon.exe	winlogon.exe
PID 4008 set thread context of 3916	4008	winlogon.exe	winlogon.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 3 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exe

pid pid_target process target process

3584 1152 WerFault.exe
4664 4444 WerFault.exe winlogon.exe
2200 3916 WerFault.exe winlogon.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exewinlogon.exe

pid process

4704 625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe
4008 winlogon.exe

pid	pid_target	process	target process
3584	1152	WerFault.exe
4664	4444	WerFault.exe	winlogon.exe
2200	3916	WerFault.exe	winlogon.exe

pid	process
4704	625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe
4008	winlogon.exe

Suspicious use of WriteProcessMemory 41 IoCs

Processes:

625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exewinlogon.exewinlogon.exe

description	pid	process	target process
PID 4056 wrote to memory of 2280	4056	625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe	svchost.exe
PID 4056 wrote to memory of 2280	4056	625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe	svchost.exe
PID 4056 wrote to memory of 2280	4056	625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe	svchost.exe
PID 4056 wrote to memory of 4704	4056	625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe	625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe
PID 4056 wrote to memory of 4704	4056	625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe	625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe
PID 4056 wrote to memory of 4704	4056	625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe	625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe
PID 4056 wrote to memory of 4704	4056	625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe	625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe
PID 4056 wrote to memory of 4704	4056	625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe	625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe
PID 4056 wrote to memory of 4704	4056	625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe	625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe
PID 4056 wrote to memory of 4704	4056	625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe	625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe
PID 4056 wrote to memory of 4704	4056	625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe	625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe
PID 4704 wrote to memory of 2700	4704	625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe	winlogon.exe
PID 4704 wrote to memory of 2700	4704	625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe	winlogon.exe
PID 4704 wrote to memory of 2700	4704	625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe	winlogon.exe
PID 2700 wrote to memory of 4976	2700	winlogon.exe	svchost.exe
PID 2700 wrote to memory of 4976	2700	winlogon.exe	svchost.exe
PID 2700 wrote to memory of 4976	2700	winlogon.exe	svchost.exe
PID 2700 wrote to memory of 4008	2700	winlogon.exe	winlogon.exe
PID 2700 wrote to memory of 4008	2700	winlogon.exe	winlogon.exe
PID 2700 wrote to memory of 4008	2700	winlogon.exe	winlogon.exe
PID 2700 wrote to memory of 4008	2700	winlogon.exe	winlogon.exe
PID 2700 wrote to memory of 4008	2700	winlogon.exe	winlogon.exe
PID 2700 wrote to memory of 4008	2700	winlogon.exe	winlogon.exe
PID 2700 wrote to memory of 4008	2700	winlogon.exe	winlogon.exe
PID 2700 wrote to memory of 4008	2700	winlogon.exe	winlogon.exe
PID 4008 wrote to memory of 4444	4008	winlogon.exe	winlogon.exe
PID 4008 wrote to memory of 4444	4008	winlogon.exe	winlogon.exe
PID 4008 wrote to memory of 4444	4008	winlogon.exe	winlogon.exe
PID 4008 wrote to memory of 4444	4008	winlogon.exe	winlogon.exe
PID 4008 wrote to memory of 4444	4008	winlogon.exe	winlogon.exe
PID 4008 wrote to memory of 4444	4008	winlogon.exe	winlogon.exe
PID 4008 wrote to memory of 4444	4008	winlogon.exe	winlogon.exe
PID 4008 wrote to memory of 4444	4008	winlogon.exe	winlogon.exe
PID 4008 wrote to memory of 3916	4008	winlogon.exe	winlogon.exe
PID 4008 wrote to memory of 3916	4008	winlogon.exe	winlogon.exe
PID 4008 wrote to memory of 3916	4008	winlogon.exe	winlogon.exe
PID 4008 wrote to memory of 3916	4008	winlogon.exe	winlogon.exe
PID 4008 wrote to memory of 3916	4008	winlogon.exe	winlogon.exe
PID 4008 wrote to memory of 3916	4008	winlogon.exe	winlogon.exe
PID 4008 wrote to memory of 3916	4008	winlogon.exe	winlogon.exe
PID 4008 wrote to memory of 3916	4008	winlogon.exe	winlogon.exe

C:\Users\Admin\AppData\Local\Temp\625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe
"C:\Users\Admin\AppData\Local\Temp\625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4056
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\\svchost.exe
  2⤵
  PID:2280
- C:\Users\Admin\AppData\Local\Temp\625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b.exe
  2⤵
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4704
- - C:\Users\Admin\E696D64614\winlogon.exe
    "C:\Users\Admin\E696D64614\winlogon.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2700
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\\svchost.exe
      4⤵
      PID:4976
  - - C:\Users\Admin\E696D64614\winlogon.exe
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:4008
    - - C:\Users\Admin\E696D64614\winlogon.exe
        
        "C:\Users\Admin\E696D64614\winlogon.exe"
        5⤵
        Executes dropped EXE
        
        PID:4444
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 12
        6⤵
        Program crash
        
        PID:4664
    - - C:\Users\Admin\E696D64614\winlogon.exe
        
        "C:\Users\Admin\E696D64614\winlogon.exe"
        5⤵
        Executes dropped EXE
        
        PID:3916
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3916 -s 12
        6⤵
        Program crash
        
        PID:2200

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 420 -p 1152 -ip 1152
1⤵
PID:704

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1152 -s 1760
1⤵
- Program crash
PID:3584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4444 -ip 4444
1⤵
PID:2336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3916 -ip 3916
1⤵
PID:1832

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\E696D64614\winlogon.exe

Filesize
1.1MB

MD5
3d3b34c9c744f181884b7b4b41c1af60

SHA1
39dc152d324d756d28417aa3ff36f5f3a5a4a796

SHA256
625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b

SHA512
059da0608bbf11c14726f24f6fd99fec7a896171a0c86687874b7f87df4de9561f2e615ea7a7ac169aef3e0936afd24dfe63ca0fb4f3f2ed94d174f24b72a8a9

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe

Filesize
1.1MB

MD5
3d3b34c9c744f181884b7b4b41c1af60

SHA1
39dc152d324d756d28417aa3ff36f5f3a5a4a796

SHA256
625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b

SHA512
059da0608bbf11c14726f24f6fd99fec7a896171a0c86687874b7f87df4de9561f2e615ea7a7ac169aef3e0936afd24dfe63ca0fb4f3f2ed94d174f24b72a8a9

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe

Filesize
1.1MB

MD5
3d3b34c9c744f181884b7b4b41c1af60

SHA1
39dc152d324d756d28417aa3ff36f5f3a5a4a796

SHA256
625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b

SHA512
059da0608bbf11c14726f24f6fd99fec7a896171a0c86687874b7f87df4de9561f2e615ea7a7ac169aef3e0936afd24dfe63ca0fb4f3f2ed94d174f24b72a8a9

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe

Filesize
1.1MB

MD5
3d3b34c9c744f181884b7b4b41c1af60

SHA1
39dc152d324d756d28417aa3ff36f5f3a5a4a796

SHA256
625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b

SHA512
059da0608bbf11c14726f24f6fd99fec7a896171a0c86687874b7f87df4de9561f2e615ea7a7ac169aef3e0936afd24dfe63ca0fb4f3f2ed94d174f24b72a8a9

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe

Filesize
1.1MB

MD5
3d3b34c9c744f181884b7b4b41c1af60

SHA1
39dc152d324d756d28417aa3ff36f5f3a5a4a796

SHA256
625f73a66ea20b0cda772b887813f26948964ae7b2b902919cfbea82e68d1b1b

SHA512
059da0608bbf11c14726f24f6fd99fec7a896171a0c86687874b7f87df4de9561f2e615ea7a7ac169aef3e0936afd24dfe63ca0fb4f3f2ed94d174f24b72a8a9

Download Submit
memory/2280-132-0x0000000000000000-mapping.dmp

Download
memory/2700-141-0x0000000000000000-mapping.dmp

Download
memory/3916-158-0x0000000000000000-mapping.dmp

Download
memory/4008-145-0x0000000000000000-mapping.dmp

Download
memory/4008-154-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4444-155-0x0000000000000000-mapping.dmp

Download
memory/4704-137-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4704-149-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4704-140-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4704-136-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4704-134-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4704-133-0x0000000000000000-mapping.dmp

Download
memory/4976-144-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads