cryptolocker | f2181881d6ab133323dba5fecbf0cc4236f794ed1261406712b13307e98b90a1

General

Target

f2181881d6ab133323dba5fecbf0cc4236f794ed1261406712b13307e98b90a1.exe
Size

778KB
MD5

374f74def24ea6afad4e5f4b15dcd263
SHA1

2c8d39345f5fdf44e8ef5e5175a53dace47103bc
SHA256

f2181881d6ab133323dba5fecbf0cc4236f794ed1261406712b13307e98b90a1
SHA512

c85de578c5904774771b9b6996679ad4c8f6bffd44666f95c5db3cb6ab6403e4949109a939dfdfc3512fd646ca7f77d976116601856a014cc40bba0cb08bf6a1
SSDEEP

12288:TgrGvwCz09gu/di1wRgK94/LP5Ib8sfY2Qgtl2cCch0Nl+NF+n4yUEnYPcoPL3dz:p109hdi1wR59RIsLvz2cCcsl+NqHyz

Score

10^/10

cryptolocker persistence ransomware

Malware Config

Signatures

CryptoLocker
Ransomware family with multiple variants.
ransomware cryptolocker
Executes dropped EXE 2 IoCs

Processes:

Wawbmdknpbal.exeWawbmdknpbal.exe

pid process

520 Wawbmdknpbal.exe
1692 Wawbmdknpbal.exe
Deletes itself 1 IoCs

Processes:

Wawbmdknpbal.exe

pid process

520 Wawbmdknpbal.exe

pid	process
520	Wawbmdknpbal.exe
1692	Wawbmdknpbal.exe

pid	process
520	Wawbmdknpbal.exe

Loads dropped DLL 2 IoCs

Processes:

f2181881d6ab133323dba5fecbf0cc4236f794ed1261406712b13307e98b90a1.exe

pid	process
1968	f2181881d6ab133323dba5fecbf0cc4236f794ed1261406712b13307e98b90a1.exe
1968	f2181881d6ab133323dba5fecbf0cc4236f794ed1261406712b13307e98b90a1.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Wawbmdknpbal.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run	Wawbmdknpbal.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\CryptoLocker = "C:\\Users\\Admin\\AppData\\Roaming\\Wawbmdknpbal.exe"	Wawbmdknpbal.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

f2181881d6ab133323dba5fecbf0cc4236f794ed1261406712b13307e98b90a1.exeWawbmdknpbal.exe

description	pid	process	target process
PID 1968 wrote to memory of 520	1968	f2181881d6ab133323dba5fecbf0cc4236f794ed1261406712b13307e98b90a1.exe	Wawbmdknpbal.exe
PID 1968 wrote to memory of 520	1968	f2181881d6ab133323dba5fecbf0cc4236f794ed1261406712b13307e98b90a1.exe	Wawbmdknpbal.exe
PID 1968 wrote to memory of 520	1968	f2181881d6ab133323dba5fecbf0cc4236f794ed1261406712b13307e98b90a1.exe	Wawbmdknpbal.exe
PID 1968 wrote to memory of 520	1968	f2181881d6ab133323dba5fecbf0cc4236f794ed1261406712b13307e98b90a1.exe	Wawbmdknpbal.exe
PID 520 wrote to memory of 1692	520	Wawbmdknpbal.exe	Wawbmdknpbal.exe
PID 520 wrote to memory of 1692	520	Wawbmdknpbal.exe	Wawbmdknpbal.exe
PID 520 wrote to memory of 1692	520	Wawbmdknpbal.exe	Wawbmdknpbal.exe
PID 520 wrote to memory of 1692	520	Wawbmdknpbal.exe	Wawbmdknpbal.exe

C:\Users\Admin\AppData\Local\Temp\f2181881d6ab133323dba5fecbf0cc4236f794ed1261406712b13307e98b90a1.exe
"C:\Users\Admin\AppData\Local\Temp\f2181881d6ab133323dba5fecbf0cc4236f794ed1261406712b13307e98b90a1.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe
  "C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe" "/rC:\Users\Admin\AppData\Local\Temp\f2181881d6ab133323dba5fecbf0cc4236f794ed1261406712b13307e98b90a1.exe"
  2⤵
  - Executes dropped EXE
  - Deletes itself
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:520
- - C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe
    "C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe" /w000000CC
    3⤵
    - Executes dropped EXE
    PID:1692

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe

Filesize
778KB

MD5
374f74def24ea6afad4e5f4b15dcd263

SHA1
2c8d39345f5fdf44e8ef5e5175a53dace47103bc

SHA256
f2181881d6ab133323dba5fecbf0cc4236f794ed1261406712b13307e98b90a1

SHA512
c85de578c5904774771b9b6996679ad4c8f6bffd44666f95c5db3cb6ab6403e4949109a939dfdfc3512fd646ca7f77d976116601856a014cc40bba0cb08bf6a1

Download Submit
C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe

Filesize
778KB

MD5
374f74def24ea6afad4e5f4b15dcd263

SHA1
2c8d39345f5fdf44e8ef5e5175a53dace47103bc

SHA256
f2181881d6ab133323dba5fecbf0cc4236f794ed1261406712b13307e98b90a1

SHA512
c85de578c5904774771b9b6996679ad4c8f6bffd44666f95c5db3cb6ab6403e4949109a939dfdfc3512fd646ca7f77d976116601856a014cc40bba0cb08bf6a1

Download Submit
C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe

Filesize
778KB

MD5
374f74def24ea6afad4e5f4b15dcd263

SHA1
2c8d39345f5fdf44e8ef5e5175a53dace47103bc

SHA256
f2181881d6ab133323dba5fecbf0cc4236f794ed1261406712b13307e98b90a1

SHA512
c85de578c5904774771b9b6996679ad4c8f6bffd44666f95c5db3cb6ab6403e4949109a939dfdfc3512fd646ca7f77d976116601856a014cc40bba0cb08bf6a1

Download Submit
\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe

Filesize
778KB

MD5
374f74def24ea6afad4e5f4b15dcd263

SHA1
2c8d39345f5fdf44e8ef5e5175a53dace47103bc

SHA256
f2181881d6ab133323dba5fecbf0cc4236f794ed1261406712b13307e98b90a1

SHA512
c85de578c5904774771b9b6996679ad4c8f6bffd44666f95c5db3cb6ab6403e4949109a939dfdfc3512fd646ca7f77d976116601856a014cc40bba0cb08bf6a1

Download Submit
\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe

Filesize
778KB

MD5
374f74def24ea6afad4e5f4b15dcd263

SHA1
2c8d39345f5fdf44e8ef5e5175a53dace47103bc

SHA256
f2181881d6ab133323dba5fecbf0cc4236f794ed1261406712b13307e98b90a1

SHA512
c85de578c5904774771b9b6996679ad4c8f6bffd44666f95c5db3cb6ab6403e4949109a939dfdfc3512fd646ca7f77d976116601856a014cc40bba0cb08bf6a1

Download Submit
memory/520-65-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/520-69-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/520-61-0x0000000000000000-mapping.dmp

Download
memory/1692-70-0x0000000000000000-mapping.dmp

Download
memory/1692-73-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/1692-76-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/1968-55-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/1968-63-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/1968-58-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/1968-54-0x0000000075671000-0x0000000075673000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads