e58295ed8d17e9224b5eee4b16728f393b1323fd2b6a81e89f2177dcf822fc95

Analysis

max time kernel
17s
max time network
119s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 19:01

Target

2024052138ca58d67c15244f4e3806b65971c982cryptolocker.exe
Size

44KB
MD5

38ca58d67c15244f4e3806b65971c982
SHA1

8b818cc904699d43439106193bffcec2094e2cec
SHA256

e58295ed8d17e9224b5eee4b16728f393b1323fd2b6a81e89f2177dcf822fc95
SHA512

790bca46832970fc9b9f67e5d5dbcf96679d06761f699a02430e9de0394693d5fb807d5a25773b299fcb2af163fb5b796a3c4f469b7357397c1aebaec3ac3fd5
SSDEEP

768:b/yC4GyNM01GuQMNXw2PSjHPbSuYlW8PA3:b/pYayGig5HjS3NPA3

Score

7^/10

discovery

Executes dropped EXE 1 IoCs

Processes:

retln.exe

pid process

3024 retln.exe
Loads dropped DLL 1 IoCs

Processes:

2024052138ca58d67c15244f4e3806b65971c982cryptolocker.exe

pid process

2908 2024052138ca58d67c15244f4e3806b65971c982cryptolocker.exe
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of UnmapMainImage 2 IoCs

Processes:

2024052138ca58d67c15244f4e3806b65971c982cryptolocker.exeretln.exe

pid process

2908 2024052138ca58d67c15244f4e3806b65971c982cryptolocker.exe
3024 retln.exe

pid	process
3024	retln.exe

pid	process
2908	2024052138ca58d67c15244f4e3806b65971c982cryptolocker.exe

pid	process
2908	2024052138ca58d67c15244f4e3806b65971c982cryptolocker.exe
3024	retln.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024052138ca58d67c15244f4e3806b65971c982cryptolocker.exe

description	pid	process	target process
PID 2908 wrote to memory of 3024	2908	2024052138ca58d67c15244f4e3806b65971c982cryptolocker.exe	retln.exe
PID 2908 wrote to memory of 3024	2908	2024052138ca58d67c15244f4e3806b65971c982cryptolocker.exe	retln.exe
PID 2908 wrote to memory of 3024	2908	2024052138ca58d67c15244f4e3806b65971c982cryptolocker.exe	retln.exe
PID 2908 wrote to memory of 3024	2908	2024052138ca58d67c15244f4e3806b65971c982cryptolocker.exe	retln.exe

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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

Filesize
44KB

MD5
a6afe2d086cf8a11dfad1a14b16db812

SHA1
5645480334aa757ea4dbeb25f24b3c83b71a8c5d

SHA256
b7efa0c77eed87e2afec2f422e428a706a228ac44d1151d0d0ef3aded1d9c91a

SHA512
9c44093dda02cfc774738c388a251009d633a376173b45f088cc883d39c5fda84a17c8e303e268b1b8d0b6ec57db55f31a9685af9dd7edb632f61f37b2a7476b

Download Submit
memory/2908-0-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2908-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2908-8-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/3024-23-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download