a946b243498f6ebfb1d63d04e2735d0900ac41bb75ba5f3b00ef005e25db89ae

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
25/08/2024, 07:07

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General

Target

2024-08-25_f78c2e07561a1e9618e79ba9044dd2aa_cryptolocker.exe
Size

49KB
MD5

f78c2e07561a1e9618e79ba9044dd2aa
SHA1

7371e7f9c37e170af0314b2aee8cc249a6d4b92a
SHA256

a946b243498f6ebfb1d63d04e2735d0900ac41bb75ba5f3b00ef005e25db89ae
SHA512

83d83fc605994cb5ef0dce9ea37ac0c794cc334d51f7b7af544fb23ce598c655b72193ab1b122aab4f7a67010a91762f3590c37af395be3bd2d8cdf005ab1e1d
SSDEEP

768:P6LsoVEeegiZPvEhHSP+gp/QtOOtEvwDpjBBMLZdzuqpXsiE8Wq/DpkcBJU:P6Q0ElP6G+gJQMOtEvwDpjB8WMlfc

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2984	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1544	2024-08-25_f78c2e07561a1e9618e79ba9044dd2aa_cryptolocker.exe

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	asih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-25_f78c2e07561a1e9618e79ba9044dd2aa_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 2984	1544	2024-08-25_f78c2e07561a1e9618e79ba9044dd2aa_cryptolocker.exe	31
PID 1544 wrote to memory of 2984	1544	2024-08-25_f78c2e07561a1e9618e79ba9044dd2aa_cryptolocker.exe	31
PID 1544 wrote to memory of 2984	1544	2024-08-25_f78c2e07561a1e9618e79ba9044dd2aa_cryptolocker.exe	31
PID 1544 wrote to memory of 2984	1544	2024-08-25_f78c2e07561a1e9618e79ba9044dd2aa_cryptolocker.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-08-25_f78c2e07561a1e9618e79ba9044dd2aa_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-25_f78c2e07561a1e9618e79ba9044dd2aa_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1544
- 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:2984

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

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

Filesize
49KB

MD5
f510d56518058ed986e5ec0ce7fd4ee7

SHA1
84184139f3ed0b90ca547698dc93a168c6b0e1de

SHA256
5448be7d1049aa7537bff8f3f332e4b9bd055ba949267078dbc8aa8a13cb1485

SHA512
3e5e1c03c8e279985a3a8e44e234db94634c304eb887dd312aabc236c8c88f5cd4dfa3b3463336d7e8e174d50cf9005f1e328241ce52adcfeb84cf53d3285f28

Download Submit
memory/1544-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1544-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1544-2-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1544-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1544-14-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2984-16-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2984-25-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2984-18-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2984-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download