1438c035b7bd29cf71ae2eb3728474d47224d4baf18bc0c36e66653947860abd

Analysis

max time kernel
0s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
10/06/2024, 02:25

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General

Target

2024-06-10_ffb5e536307cf11067f864e3833217db_cryptolocker.exe
Size

49KB
MD5

ffb5e536307cf11067f864e3833217db
SHA1

9bbe338b2297d33cba61a7053ff5800e31d2f2c7
SHA256

1438c035b7bd29cf71ae2eb3728474d47224d4baf18bc0c36e66653947860abd
SHA512

17bd4cf5c201b33155702bd839effefa8958c5381af8b2a535aa2650af522afe9ae9d4e7f82c6d9a0e6d7307dfd1733290cd47e75caece1d96f817d98ea8c7e6
SSDEEP

768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9RzhwaRhAEFo:xj+VGMOtEvwDpjy+TRhxu

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral2/memory/4404-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/4404-17-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral2/files/0x0008000000022f51-16.dat	CryptoLocker_rule2
behavioral2/memory/912-48-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral2/memory/4404-0-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral2/memory/4404-17-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral2/files/0x0008000000022f51-16.dat	CryptoLocker_set1
behavioral2/memory/912-48-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 4 IoCs

resource	yara_rule
behavioral2/memory/4404-0-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4404-17-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x0008000000022f51-16.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/912-48-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	2024-06-10_ffb5e536307cf11067f864e3833217db_cryptolocker.exe

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

System Information Discovery
T1082

C:\Users\Admin\AppData\Local\Temp\2024-06-10_ffb5e536307cf11067f864e3833217db_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-10_ffb5e536307cf11067f864e3833217db_cryptolocker.exe"
1⤵
- Checks computer location settings
PID:4404
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  PID:912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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\misid.exe

Filesize
49KB

MD5
b36259ad63ebb94ef8f6480cff491452

SHA1
810e4c51aeb8284efb08b3d12f0a229bf8ec97e0

SHA256
e1832ac2af83851f70e2563f9fd6479aec601c81e6173ff8ef7da0a62b652a1d

SHA512
9fe6fa35b3b48c21fe1fe6206d9ad84e7dd5fd88374d74428d8868bf2110643c87b55da588d147917e7f0562752d826e336a66c400628507f30e2d0f5d66ef90

Download Submit
C:\Users\Admin\AppData\Local\Temp\misids.exe

Filesize
315B

MD5
a34ac19f4afae63adc5d2f7bc970c07f

SHA1
a82190fc530c265aa40a045c21770d967f4767b8

SHA256
d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

SHA512
42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

Download Submit
memory/912-25-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/912-19-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/912-48-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4404-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4404-1-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/4404-9-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/4404-2-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/4404-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download