93372bce63febc7e11e72d2364a20210c4aeda1f45c5c4962b13b11726b83d46

Analysis

max time kernel
140s
max time network
139s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
09/07/2024, 11:50

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General

Target

2024-07-09_9b854e5be87a187c90538d72f2eb7ea6_cryptolocker.exe
Size

96KB
MD5

9b854e5be87a187c90538d72f2eb7ea6
SHA1

91c48be908810ebecfb6d9b465b74703c7c215db
SHA256

93372bce63febc7e11e72d2364a20210c4aeda1f45c5c4962b13b11726b83d46
SHA512

418839605945d4a06e009976b2ba4deb7ac0f09a5618ea09b87b051246b5c2e69b5fa8e7e185659d4b2d3bca40ce3eff1d0e9f495f1a012eddd46990c65b30e5
SSDEEP

1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwqWsviP8:AnBdOOtEvwDpj6zq

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1964	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2992	2024-07-09_9b854e5be87a187c90538d72f2eb7ea6_cryptolocker.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2992-0-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/files/0x00090000000120f8-11.dat	upx
behavioral1/memory/2992-13-0x00000000023A0000-0x00000000023AF000-memory.dmp	upx
behavioral1/memory/2992-17-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/memory/1964-18-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/memory/1964-28-0x0000000000500000-0x000000000050F000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 1964	2992	2024-07-09_9b854e5be87a187c90538d72f2eb7ea6_cryptolocker.exe	30
PID 2992 wrote to memory of 1964	2992	2024-07-09_9b854e5be87a187c90538d72f2eb7ea6_cryptolocker.exe	30
PID 2992 wrote to memory of 1964	2992	2024-07-09_9b854e5be87a187c90538d72f2eb7ea6_cryptolocker.exe	30
PID 2992 wrote to memory of 1964	2992	2024-07-09_9b854e5be87a187c90538d72f2eb7ea6_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-07-09_9b854e5be87a187c90538d72f2eb7ea6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-09_9b854e5be87a187c90538d72f2eb7ea6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2992
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
96KB

MD5
91d771175235faced4a324c07aee27db

SHA1
ecdb78ae5544a04c83fa6ccd097c1f3f635db51b

SHA256
dbbfe2e90625680b37ef547622326c3b184b5eb354d25098f56a19c8b5cd196d

SHA512
1ba29d32c0cabbb441775cee86e30b44f42aafed32c51d7fee58da26adcf0079aac1803aa4d3c300cd668c4eb80103ec3dbfcd9b496dfb9f950e03c867a03a61

Download Submit
memory/1964-18-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1964-20-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1964-27-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1964-28-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2992-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2992-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2992-2-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2992-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2992-13-0x00000000023A0000-0x00000000023AF000-memory.dmp

Filesize
60KB

Download
memory/2992-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download