b509804f3e3aae361b1ef58871380dea3fbd941adb23b50eba98b431dfe0958a

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
22/05/2024, 05:40

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General

Target

20240521e09f161867cfee34a6e77462c8304e4ecryptolocker.exe
Size

47KB
MD5

e09f161867cfee34a6e77462c8304e4e
SHA1

c6c345d2546387d3d4bdf92360dc0795caadccd8
SHA256

b509804f3e3aae361b1ef58871380dea3fbd941adb23b50eba98b431dfe0958a
SHA512

5aaa4967c38fd116ac98107dd806c9f888cec9c1fff112bbfd92aa9edec9b5dc51af49969ff3840eeb4f8f2ea02c70bfdf704a4a883bd4140d915578904d8678
SSDEEP

768:P6LsoVEeegiZPvEhHSP+gp/QtOOtEvwDpjBBMLZdzuqpXsiE8Wq/DpkcL:P6Q0ElP6G+gJQMOtEvwDpjB8WMlfL

Score

7^/10

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	20240521e09f161867cfee34a6e77462c8304e4ecryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4104	asih.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4784 wrote to memory of 4104	4784	20240521e09f161867cfee34a6e77462c8304e4ecryptolocker.exe	83
PID 4784 wrote to memory of 4104	4784	20240521e09f161867cfee34a6e77462c8304e4ecryptolocker.exe	83
PID 4784 wrote to memory of 4104	4784	20240521e09f161867cfee34a6e77462c8304e4ecryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\20240521e09f161867cfee34a6e77462c8304e4ecryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\20240521e09f161867cfee34a6e77462c8304e4ecryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4784
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:4104

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
47KB

MD5
7d55db87d20f5218ce46519aee04b083

SHA1
1d3b27a8eb88bc42cc2a9fb899510d63ecd00c2d

SHA256
b06d013e3bb59d85f1ba7a94aa479b5bdd011f377e91d32e88f1f202ee279a76

SHA512
e899b48e21c0003b73f6322422fa1c016561ce67d21d6ab5c4ef3115290031bc94fd65a13850af3ec50756bb596e139440028e04d1940651582b50fd80cc98a7

Download Submit
memory/4104-18-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4104-20-0x0000000000860000-0x0000000000866000-memory.dmp

Filesize
24KB

Download
memory/4104-26-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download
memory/4104-27-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4784-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4784-1-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/4784-2-0x0000000000650000-0x0000000000656000-memory.dmp

Filesize
24KB

Download
memory/4784-9-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/4784-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download