bb8822ed1dd1a946e50aed1986e467027188838420185832fac2359bb59f3497

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
05/11/2023, 15:44

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General

Target

NEAS.2023-09-28_d857b27439215fb637a824345b2fba91_cryptolocker_JC.exe
Size

102KB
MD5

d857b27439215fb637a824345b2fba91
SHA1

2a00042d8448b8886531689d8bd6941bea3f93d7
SHA256

bb8822ed1dd1a946e50aed1986e467027188838420185832fac2359bb59f3497
SHA512

e8671838bb97c88f0c74e51a61bc86d2fe9bfa543bcd12845635eca83047a1fb68d9868263fe87a6d30d4b326bc42cb6468a979ac5035bd2128abffb7e129dc0
SSDEEP

768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWjyH:xj+VGMOtEvwDpjubwQEIikw

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1876	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2880	NEAS.2023-09-28_d857b27439215fb637a824345b2fba91_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 2880 wrote to memory of 1876	2880	NEAS.2023-09-28_d857b27439215fb637a824345b2fba91_cryptolocker_JC.exe	28
PID 2880 wrote to memory of 1876	2880	NEAS.2023-09-28_d857b27439215fb637a824345b2fba91_cryptolocker_JC.exe	28
PID 2880 wrote to memory of 1876	2880	NEAS.2023-09-28_d857b27439215fb637a824345b2fba91_cryptolocker_JC.exe	28
PID 2880 wrote to memory of 1876	2880	NEAS.2023-09-28_d857b27439215fb637a824345b2fba91_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-28_d857b27439215fb637a824345b2fba91_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-28_d857b27439215fb637a824345b2fba91_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1876

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
102KB

MD5
6d20a592fefab13838c678b0fffcd119

SHA1
3289cdded1a5f3178d8f75f33963ac510fa37317

SHA256
7c5845575e0733422adf98a7f23e0912c0a954a991031bdec088ccfbf687e64e

SHA512
10847fcf571de203336e86ad0055f16132aa508a73855abe2abafea6a1446fd1a0255492c201a7c00e071504daf47673e84676f88069bc701ffee7ae043e0add

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

Filesize
102KB

MD5
6d20a592fefab13838c678b0fffcd119

SHA1
3289cdded1a5f3178d8f75f33963ac510fa37317

SHA256
7c5845575e0733422adf98a7f23e0912c0a954a991031bdec088ccfbf687e64e

SHA512
10847fcf571de203336e86ad0055f16132aa508a73855abe2abafea6a1446fd1a0255492c201a7c00e071504daf47673e84676f88069bc701ffee7ae043e0add

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

Filesize
102KB

MD5
6d20a592fefab13838c678b0fffcd119

SHA1
3289cdded1a5f3178d8f75f33963ac510fa37317

SHA256
7c5845575e0733422adf98a7f23e0912c0a954a991031bdec088ccfbf687e64e

SHA512
10847fcf571de203336e86ad0055f16132aa508a73855abe2abafea6a1446fd1a0255492c201a7c00e071504daf47673e84676f88069bc701ffee7ae043e0add

Download Submit
memory/1876-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1876-19-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/1876-18-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1876-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2880-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2880-1-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2880-3-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2880-2-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2880-15-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download