f0c1017ee142ac048daa9588037919a867c22a7661fd2d0f9661c822ffb5ed6e

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 07:48

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General

Target

2024-11-21_e2cbcc5893fd9be52e4ff766a58a89ff_cryptolocker.exe
Size

73KB
MD5

e2cbcc5893fd9be52e4ff766a58a89ff
SHA1

cd2e4af89c0674d8512e51bab63f9f10c50226e6
SHA256

f0c1017ee142ac048daa9588037919a867c22a7661fd2d0f9661c822ffb5ed6e
SHA512

65a4889a4e162019158ce67ce60900751e9d64c2db0c2e3c0f1d7c01773ff822201992dc782e3ba342cf50c6e48697f80321ee091628718919fea6f91f6f0f9c
SSDEEP

1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUNZOp:DW60sllyWOtEvwDpjwF85a

Score

7^/10

discovery

Malware Config

Signatures

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

Processes:

2024-11-21_e2cbcc5893fd9be52e4ff766a58a89ff_cryptolocker.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	2024-11-21_e2cbcc5893fd9be52e4ff766a58a89ff_cryptolocker.exe

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

1928 asih.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1928	asih.exe

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

Processes:

2024-11-21_e2cbcc5893fd9be52e4ff766a58a89ff_cryptolocker.exeasih.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-21_e2cbcc5893fd9be52e4ff766a58a89ff_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

2024-11-21_e2cbcc5893fd9be52e4ff766a58a89ff_cryptolocker.exe

description	pid	process	target process
PID 4080 wrote to memory of 1928	4080	2024-11-21_e2cbcc5893fd9be52e4ff766a58a89ff_cryptolocker.exe	asih.exe
PID 4080 wrote to memory of 1928	4080	2024-11-21_e2cbcc5893fd9be52e4ff766a58a89ff_cryptolocker.exe	asih.exe
PID 4080 wrote to memory of 1928	4080	2024-11-21_e2cbcc5893fd9be52e4ff766a58a89ff_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-21_e2cbcc5893fd9be52e4ff766a58a89ff_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_e2cbcc5893fd9be52e4ff766a58a89ff_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4080
- 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:1928

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
73KB

MD5
5745c02cf09f25c83f20d69056e723ce

SHA1
a293e0a97b99708dd76b8d56677fac78e54e4eb9

SHA256
e647821dbe508f52c76bbb153117579babfa7b3dfc65e05cc2ed8a08c1138b56

SHA512
0c579a04d5c4d9bac7676e34d01026caa8c390db66a0450d7a2e022c3a9410ea78502f66644e414e8d1e9f99136e8a38d71b3e6bab8f48af60038a50cde63c60

Download Submit
memory/1928-20-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/1928-19-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/1928-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4080-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4080-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/4080-2-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/4080-3-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/4080-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download