7870efb7ea38dae0f90b3e52329d8db0dd3ac1106528f42f36bcc55dd09da5e1

Analysis

max time kernel
149s
max time network
155s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/10/2024, 04:43

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General

Target

2024-10-09_745172bbc0830a1d3f953827f2fd17d0_cryptolocker.exe
Size

63KB
MD5

745172bbc0830a1d3f953827f2fd17d0
SHA1

1cd59bdede2336fc8be042b68d4fdd880e7af98a
SHA256

7870efb7ea38dae0f90b3e52329d8db0dd3ac1106528f42f36bcc55dd09da5e1
SHA512

93cf7e52595013013938408da0eb4ba4bd5e0c91ab7525a9445ad3f108ea63fbef2565626707621a02904b1d90db431d17b2000f73e207d8cb59beb703a50ba7
SSDEEP

1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYjQcx:1nK6a+qdOOtEvwDpjk

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2092	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
572	2024-10-09_745172bbc0830a1d3f953827f2fd17d0_cryptolocker.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/572-0-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/files/0x000e000000012262-11.dat	upx
behavioral1/memory/572-12-0x0000000001EF0000-0x0000000001F00000-memory.dmp	upx
behavioral1/memory/572-16-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/memory/2092-17-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/memory/2092-27-0x0000000000500000-0x000000000050F311-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-09_745172bbc0830a1d3f953827f2fd17d0_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 572 wrote to memory of 2092	572	2024-10-09_745172bbc0830a1d3f953827f2fd17d0_cryptolocker.exe	30
PID 572 wrote to memory of 2092	572	2024-10-09_745172bbc0830a1d3f953827f2fd17d0_cryptolocker.exe	30
PID 572 wrote to memory of 2092	572	2024-10-09_745172bbc0830a1d3f953827f2fd17d0_cryptolocker.exe	30
PID 572 wrote to memory of 2092	572	2024-10-09_745172bbc0830a1d3f953827f2fd17d0_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-09_745172bbc0830a1d3f953827f2fd17d0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-09_745172bbc0830a1d3f953827f2fd17d0_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:572
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2092

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
63KB

MD5
920513c3ffe2978a73ef24acf9442122

SHA1
b6b412c704c731ddfd80b1cf6d59266629f5c771

SHA256
090d8c423987b3e0680726e256fa24493d305e33ad09ea7b8ee25fbc9c085e00

SHA512
5906faf8873b55d062f24991e421fce50b320fb8292d9dbf6bba1279c20f31a04c847ab379d56ea8d741bda0cef78796e39220a1aa650f3ea7d7842b15498a70

Download Submit
memory/572-0-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/572-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/572-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/572-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/572-12-0x0000000001EF0000-0x0000000001F00000-memory.dmp

Filesize
64KB

Download
memory/572-16-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/2092-17-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/2092-26-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2092-19-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2092-27-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download