11d6a62dcb5c288b0d2019a96320f6b9ff39b2d8d034b9b3a05ae63539387c46

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
08-08-2023 16:17

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General

Target

99385ff78d67f61bd25acf66f75d4dea_cryptolocker_JC.exe
Size

62KB
MD5

99385ff78d67f61bd25acf66f75d4dea
SHA1

ef0e076d3b63de5a93e52330fb118911556a88b6
SHA256

11d6a62dcb5c288b0d2019a96320f6b9ff39b2d8d034b9b3a05ae63539387c46
SHA512

813f7aa55508a9a87d372361000022570ab79bff841ac784887fdc1b374fee369bb43c27ddaf09838e59929d99937b9fe855d60c6ce500a1ccb9a41dd6f810c9
SSDEEP

768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfb6kZq/gqASiLRNcK1JKnz:xj+VGMOtEvwDpjub6kZq8hLRlJKz

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1696	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2604	99385ff78d67f61bd25acf66f75d4dea_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 WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 1696	2604	99385ff78d67f61bd25acf66f75d4dea_cryptolocker_JC.exe	28
PID 2604 wrote to memory of 1696	2604	99385ff78d67f61bd25acf66f75d4dea_cryptolocker_JC.exe	28
PID 2604 wrote to memory of 1696	2604	99385ff78d67f61bd25acf66f75d4dea_cryptolocker_JC.exe	28
PID 2604 wrote to memory of 1696	2604	99385ff78d67f61bd25acf66f75d4dea_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\99385ff78d67f61bd25acf66f75d4dea_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\99385ff78d67f61bd25acf66f75d4dea_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1696

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\misid.exe

Filesize
62KB

MD5
3891826cd4c5d001792c813576200390

SHA1
3526f866956de05ea7640f9afb8646e513c675c3

SHA256
ad1d9762b4fe4bdf09135480cdf91eadc8f3809508570494dac97d8b67e19e76

SHA512
d7b6c35d68e84c73370a7dad22852abd1d2f6136425fbc5b5d3d52b127f157b41d522e7bd669383344a8a6e8376adc22603c4daff78eb33d984e5346adc13003

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

Filesize
62KB

MD5
3891826cd4c5d001792c813576200390

SHA1
3526f866956de05ea7640f9afb8646e513c675c3

SHA256
ad1d9762b4fe4bdf09135480cdf91eadc8f3809508570494dac97d8b67e19e76

SHA512
d7b6c35d68e84c73370a7dad22852abd1d2f6136425fbc5b5d3d52b127f157b41d522e7bd669383344a8a6e8376adc22603c4daff78eb33d984e5346adc13003

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

Filesize
62KB

MD5
3891826cd4c5d001792c813576200390

SHA1
3526f866956de05ea7640f9afb8646e513c675c3

SHA256
ad1d9762b4fe4bdf09135480cdf91eadc8f3809508570494dac97d8b67e19e76

SHA512
d7b6c35d68e84c73370a7dad22852abd1d2f6136425fbc5b5d3d52b127f157b41d522e7bd669383344a8a6e8376adc22603c4daff78eb33d984e5346adc13003

Download Submit
memory/1696-70-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1696-79-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2604-54-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2604-55-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2604-57-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2604-56-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2604-68-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download