769ed41a07719c1b3b011d6a33f00af7e2605964e7537e3426620aaf4785ff1a

Analysis

max time kernel
132s
max time network
139s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 05:22

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-11-20_224f84ce0ad4db43d3dabe2bfea76179_cryptolocker.exe
Size

64KB
MD5

224f84ce0ad4db43d3dabe2bfea76179
SHA1

1e4d5a3a5f1fa926ca7692de7ab935132a32b632
SHA256

769ed41a07719c1b3b011d6a33f00af7e2605964e7537e3426620aaf4785ff1a
SHA512

53cf0fa14b29610edb69bf40a78adbd0a78e53eb424f010b97e899b265273283c88997ed04ab404769cda934e3262e01b6a9b3b2a0d2f9a3c95dedbecd2556fc
SSDEEP

1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTOOZa:T6a+rdOOtEvwDpjNM

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2480	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2308	2024-11-20_224f84ce0ad4db43d3dabe2bfea76179_cryptolocker.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2308-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x000e000000013b4c-11.dat	upx
behavioral1/memory/2308-15-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2480-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2480-26-0x0000000000500000-0x0000000000510000-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	2024-11-20_224f84ce0ad4db43d3dabe2bfea76179_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 2308 wrote to memory of 2480	2308	2024-11-20_224f84ce0ad4db43d3dabe2bfea76179_cryptolocker.exe	31
PID 2308 wrote to memory of 2480	2308	2024-11-20_224f84ce0ad4db43d3dabe2bfea76179_cryptolocker.exe	31
PID 2308 wrote to memory of 2480	2308	2024-11-20_224f84ce0ad4db43d3dabe2bfea76179_cryptolocker.exe	31
PID 2308 wrote to memory of 2480	2308	2024-11-20_224f84ce0ad4db43d3dabe2bfea76179_cryptolocker.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-11-20_224f84ce0ad4db43d3dabe2bfea76179_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-20_224f84ce0ad4db43d3dabe2bfea76179_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2308
- 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:2480

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
9dc496653425459026079c44e1f5333c

SHA1
c8c88bfae332abc26c2f4ef96d92011ae6fdebb6

SHA256
27a7eb3cf91eea1bdf59a4334237aebfd1d01f9021c411c994fd088d2ba8f131

SHA512
9cbeda6e127a8938bc9e12a3ae3a192686ce70fb618d7630eb440f5e4e22fbfe3f987efa59875f0af1190aa0cbda6a7f4ca7db656a1710dc3993f330aae9a7b7

Download Submit
memory/2308-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2308-9-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2308-2-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2308-1-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2308-15-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2480-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2480-18-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2480-25-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2480-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download