e66dfb72532fa83a03b1351c42aa4aee9f26e4e7e4905528c6cb88ede88653d3

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
08/08/2023, 18:37

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General

Target

a1eb26f28c27a801df534656bae95f60_cryptolocker_JC.exe
Size

55KB
MD5

a1eb26f28c27a801df534656bae95f60
SHA1

721179f93b65ae228cf2432ac5ada606bc2ec286
SHA256

e66dfb72532fa83a03b1351c42aa4aee9f26e4e7e4905528c6cb88ede88653d3
SHA512

51718a63e5215958c84354fee0367489ff17cd4e37935047f0d96bc36fd49361e55f9ded3f3412d100e6e99eaa4b5a4228be3c10990981ef624e848d77289587
SSDEEP

768:XS5nQJ24LR1bytOOtEvwDpjNb6kZq/gqASiLmQ9d:i5nkFGMOtEvwDpjNb6kZq8hLmQ9d

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2884	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2524	a1eb26f28c27a801df534656bae95f60_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 2524 wrote to memory of 2884	2524	a1eb26f28c27a801df534656bae95f60_cryptolocker_JC.exe	28
PID 2524 wrote to memory of 2884	2524	a1eb26f28c27a801df534656bae95f60_cryptolocker_JC.exe	28
PID 2524 wrote to memory of 2884	2524	a1eb26f28c27a801df534656bae95f60_cryptolocker_JC.exe	28
PID 2524 wrote to memory of 2884	2524	a1eb26f28c27a801df534656bae95f60_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\a1eb26f28c27a801df534656bae95f60_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\a1eb26f28c27a801df534656bae95f60_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2884

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
55KB

MD5
3200cb4cf64b4d15fa93f207905265e1

SHA1
e4bf7918015e21ec75e09c2577d1c3aa81ff2207

SHA256
5dd9e336b090705a9c66c378f36eda4fec25696a7c2fa43ab2bd6612c135c481

SHA512
d56514fd0aa6446c55110ffd619b284c2ff77eeef4c7608874400a56f8c0526ed884c6f48158dde288476bf04aeef7649e191527b770ae2094505687e6e66d5b

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

Filesize
55KB

MD5
3200cb4cf64b4d15fa93f207905265e1

SHA1
e4bf7918015e21ec75e09c2577d1c3aa81ff2207

SHA256
5dd9e336b090705a9c66c378f36eda4fec25696a7c2fa43ab2bd6612c135c481

SHA512
d56514fd0aa6446c55110ffd619b284c2ff77eeef4c7608874400a56f8c0526ed884c6f48158dde288476bf04aeef7649e191527b770ae2094505687e6e66d5b

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

Filesize
55KB

MD5
3200cb4cf64b4d15fa93f207905265e1

SHA1
e4bf7918015e21ec75e09c2577d1c3aa81ff2207

SHA256
5dd9e336b090705a9c66c378f36eda4fec25696a7c2fa43ab2bd6612c135c481

SHA512
d56514fd0aa6446c55110ffd619b284c2ff77eeef4c7608874400a56f8c0526ed884c6f48158dde288476bf04aeef7649e191527b770ae2094505687e6e66d5b

Download Submit
memory/2524-68-0x0000000001EB0000-0x0000000001EBF000-memory.dmp

Filesize
60KB

Download
memory/2524-58-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2524-69-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2524-54-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2524-56-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2524-55-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2524-81-0x0000000001EB0000-0x0000000001EBF000-memory.dmp

Filesize
60KB

Download
memory/2884-71-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2884-73-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2884-74-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2884-82-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download