c86a82f93d6e473eca1da968942a732d24aca6dd7500a00a6d6100fb02014ac8

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
18-08-2023 15:26

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General

Target

30ceddff5d1d82f151b69ed20d2addf3_cryptolocker_JC.exe
Size

35KB
MD5

30ceddff5d1d82f151b69ed20d2addf3
SHA1

48f0baa146b424417db130e45de3f71a5d33f6fb
SHA256

c86a82f93d6e473eca1da968942a732d24aca6dd7500a00a6d6100fb02014ac8
SHA512

016e82ce42b4ff02f29a5bb725e1d5cac6a1905ddc907145dfc39c6eaffde2f5fa2bd759f4efff142055a70d42a7e9f90e9446e1cecc3a108752f4b0c99096c8
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2B94IOMHo3sxP1Hv:btB9g/WItCSsAGjX7r3BPOMHocM4vUUX

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2692	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2552	30ceddff5d1d82f151b69ed20d2addf3_cryptolocker_JC.exe

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

pid	Process
2552	30ceddff5d1d82f151b69ed20d2addf3_cryptolocker_JC.exe
2692	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 2692	2552	30ceddff5d1d82f151b69ed20d2addf3_cryptolocker_JC.exe	28
PID 2552 wrote to memory of 2692	2552	30ceddff5d1d82f151b69ed20d2addf3_cryptolocker_JC.exe	28
PID 2552 wrote to memory of 2692	2552	30ceddff5d1d82f151b69ed20d2addf3_cryptolocker_JC.exe	28
PID 2552 wrote to memory of 2692	2552	30ceddff5d1d82f151b69ed20d2addf3_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\30ceddff5d1d82f151b69ed20d2addf3_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\30ceddff5d1d82f151b69ed20d2addf3_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\gewos.exe

Filesize
35KB

MD5
01bf9a2b62aa8a76f74a7b134d291724

SHA1
42746a1ea4a6666e7c3fb0c2c306391b11da09fd

SHA256
f205ab83db451396b96aac228719b7561671878d6652738087639ea6865e9385

SHA512
dc954f93669979a4a3e3fc5a2ccee244638999041481c4c35539f2d48710b6074f2ce29d5923e274c33802dbe999997a99c8edc6833b17425d02b30e73a47f41

Download Submit
C:\Users\Admin\AppData\Local\Temp\gewos.exe

Filesize
35KB

MD5
01bf9a2b62aa8a76f74a7b134d291724

SHA1
42746a1ea4a6666e7c3fb0c2c306391b11da09fd

SHA256
f205ab83db451396b96aac228719b7561671878d6652738087639ea6865e9385

SHA512
dc954f93669979a4a3e3fc5a2ccee244638999041481c4c35539f2d48710b6074f2ce29d5923e274c33802dbe999997a99c8edc6833b17425d02b30e73a47f41

Download Submit
\Users\Admin\AppData\Local\Temp\gewos.exe

Filesize
35KB

MD5
01bf9a2b62aa8a76f74a7b134d291724

SHA1
42746a1ea4a6666e7c3fb0c2c306391b11da09fd

SHA256
f205ab83db451396b96aac228719b7561671878d6652738087639ea6865e9385

SHA512
dc954f93669979a4a3e3fc5a2ccee244638999041481c4c35539f2d48710b6074f2ce29d5923e274c33802dbe999997a99c8edc6833b17425d02b30e73a47f41

Download Submit
memory/2552-54-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2552-56-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2552-55-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2692-71-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download