9c62c48ec00991bdcfe813b14a2ee3d0f6b41bb316806f26ceb5728ac57c3416

Analysis

max time kernel
141s
max time network
139s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08/10/2024, 20:26

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General

Target

2024-10-08_cc217c50d71b1a35c869ec2ce7a6ffe4_cryptolocker.exe
Size

38KB
MD5

cc217c50d71b1a35c869ec2ce7a6ffe4
SHA1

af55a8fe5ac4a5110fde7f0f3ff0ed767a32d9ed
SHA256

9c62c48ec00991bdcfe813b14a2ee3d0f6b41bb316806f26ceb5728ac57c3416
SHA512

1e4e85789f490f1172c63060bf54af15285d36652e4d3b1f0a62c445bae53a36f8d5f83b41c4f48db4429d28497dfc71688518b54c5b00e7834f76f04a1a6a04
SSDEEP

768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITc:qDdFJy3QMOtEvwDpjjWMl7Tc

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2264	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2280	2024-10-08_cc217c50d71b1a35c869ec2ce7a6ffe4_cryptolocker.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2280-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x000b000000012263-11.dat	upx
behavioral1/memory/2280-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2264-25-0x0000000000500000-0x0000000000510000-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	2024-10-08_cc217c50d71b1a35c869ec2ce7a6ffe4_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 2280 wrote to memory of 2264	2280	2024-10-08_cc217c50d71b1a35c869ec2ce7a6ffe4_cryptolocker.exe	31
PID 2280 wrote to memory of 2264	2280	2024-10-08_cc217c50d71b1a35c869ec2ce7a6ffe4_cryptolocker.exe	31
PID 2280 wrote to memory of 2264	2280	2024-10-08_cc217c50d71b1a35c869ec2ce7a6ffe4_cryptolocker.exe	31
PID 2280 wrote to memory of 2264	2280	2024-10-08_cc217c50d71b1a35c869ec2ce7a6ffe4_cryptolocker.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-10-08_cc217c50d71b1a35c869ec2ce7a6ffe4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-08_cc217c50d71b1a35c869ec2ce7a6ffe4_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2280
- 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:2264

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
38KB

MD5
ec803a0b74cea5acf42d7e8ea450d387

SHA1
f24b2b9ba4dbaf7ae56e6249d55c35bd211db001

SHA256
d6e08f6da6ae1bc99170b6b76d47544216d55d81e707fd43d870cf395fa59006

SHA512
988361b4b5afa959203d29495c8357ee6e87e4808b30716d2a9f62e6b2d0cb788bb2da13a6041ba6cf2d94f3ae89ebc5d254fd7b963bea6985a9403809a00668

Download Submit
memory/2264-18-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2264-25-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2280-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2280-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2280-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2280-2-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2280-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download