57a6562321f222f2f1e2d760276687e961ab0c5c125abc57e71f74fa66d5006e

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
29/08/2023, 18:59

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General

Target

da5fda9899e2b0c172adb81297ef9ced_cryptolocker_JC.exe
Size

31KB
MD5

da5fda9899e2b0c172adb81297ef9ced
SHA1

d4ea5e15bba07e54d1bc1afeb9c70cb483d2127c
SHA256

57a6562321f222f2f1e2d760276687e961ab0c5c125abc57e71f74fa66d5006e
SHA512

082b63a3344b5ac32196419d67069fbb0223f1fad1edae4bd75d962b1592be4d9694ffab0f7087ff477203ca2bc2413a606fcd427c9ea7ffc884d6ad4348ce8e
SSDEEP

384:+cX+ni9VCr5nQI021q4VQBqURYpetOOtEvwDpjqIGRxzOP51FqQLicn3Gp:TS5nQJ24LR7tOOtEvwDpjGqPhqlcn+

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2596	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2664	da5fda9899e2b0c172adb81297ef9ced_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 2664 wrote to memory of 2596	2664	da5fda9899e2b0c172adb81297ef9ced_cryptolocker_JC.exe	28
PID 2664 wrote to memory of 2596	2664	da5fda9899e2b0c172adb81297ef9ced_cryptolocker_JC.exe	28
PID 2664 wrote to memory of 2596	2664	da5fda9899e2b0c172adb81297ef9ced_cryptolocker_JC.exe	28
PID 2664 wrote to memory of 2596	2664	da5fda9899e2b0c172adb81297ef9ced_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\da5fda9899e2b0c172adb81297ef9ced_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\da5fda9899e2b0c172adb81297ef9ced_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2596

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
32KB

MD5
4f4dfac0a2c20bd84bb1a7999a8c6d08

SHA1
34cde2fe13513ccc32f35872bb7cb35b4636c508

SHA256
704937d036d72990409e4182597dcf2fb700d8bc71469757c4802393ad3a450f

SHA512
f7eef6e3ae645e237e5a7ce9bba0bb594df6e1096fd5c4905f2e2e3e84c201c09e0503af85c93060a007c1fbebb40748dc3779d577da40dccc9c9f39e496ab5f

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

Filesize
32KB

MD5
4f4dfac0a2c20bd84bb1a7999a8c6d08

SHA1
34cde2fe13513ccc32f35872bb7cb35b4636c508

SHA256
704937d036d72990409e4182597dcf2fb700d8bc71469757c4802393ad3a450f

SHA512
f7eef6e3ae645e237e5a7ce9bba0bb594df6e1096fd5c4905f2e2e3e84c201c09e0503af85c93060a007c1fbebb40748dc3779d577da40dccc9c9f39e496ab5f

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

Filesize
32KB

MD5
4f4dfac0a2c20bd84bb1a7999a8c6d08

SHA1
34cde2fe13513ccc32f35872bb7cb35b4636c508

SHA256
704937d036d72990409e4182597dcf2fb700d8bc71469757c4802393ad3a450f

SHA512
f7eef6e3ae645e237e5a7ce9bba0bb594df6e1096fd5c4905f2e2e3e84c201c09e0503af85c93060a007c1fbebb40748dc3779d577da40dccc9c9f39e496ab5f

Download Submit
memory/2596-16-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2596-19-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2596-18-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2596-26-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2664-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2664-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2664-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2664-3-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2664-15-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download