5cca4b73cf871a778d5ccfc50fa2f812e2ab966fba772bc87dea689ffb6283d1

Analysis

max time kernel
130s
max time network
142s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
22/10/2023, 10:20 UTC

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General

Target

NEAS.2023-09-07_7c51b774b72c23e11fb2489aa6eb4a5c_cryptolocker_JC.exe
Size

44KB
MD5

7c51b774b72c23e11fb2489aa6eb4a5c
SHA1

f5dda175bb66d61f0e6bdeb686be153911f1dfbc
SHA256

5cca4b73cf871a778d5ccfc50fa2f812e2ab966fba772bc87dea689ffb6283d1
SHA512

d7b0e20a82b5f39a40009c1341cc05be4948d4df40d8a35df6213bd16584f0ffb02423c976834d2c5749c61bd7363e0839619b9d8e74c61e6c7554ba6899511e
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr46xdUUMV:vj+jsMQMOtEvwDpj5Hczer5iNV

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2672	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2144	NEAS.2023-09-07_7c51b774b72c23e11fb2489aa6eb4a5c_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 2144 wrote to memory of 2672	2144	NEAS.2023-09-07_7c51b774b72c23e11fb2489aa6eb4a5c_cryptolocker_JC.exe	28
PID 2144 wrote to memory of 2672	2144	NEAS.2023-09-07_7c51b774b72c23e11fb2489aa6eb4a5c_cryptolocker_JC.exe	28
PID 2144 wrote to memory of 2672	2144	NEAS.2023-09-07_7c51b774b72c23e11fb2489aa6eb4a5c_cryptolocker_JC.exe	28
PID 2144 wrote to memory of 2672	2144	NEAS.2023-09-07_7c51b774b72c23e11fb2489aa6eb4a5c_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-07_7c51b774b72c23e11fb2489aa6eb4a5c_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-07_7c51b774b72c23e11fb2489aa6eb4a5c_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2144
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2672

Network

DNS

bestccc.com

misid.exe

Remote address:

8.8.8.8:53

Request

bestccc.com

IN A

Response

bestccc.com

IN A

103.14.121.240

103.14.121.240:443

bestccc.com

tls

misid.exe

392 B
219 B
5
5
103.14.121.240:443

bestccc.com

tls

misid.exe

354 B
219 B
5
5
103.14.121.240:443

bestccc.com

misid.exe

152 B
3
103.14.121.240:443

bestccc.com

misid.exe

152 B
3
103.14.121.240:443

bestccc.com

tls

misid.exe

288 B
219 B
5
5
103.14.121.240:443

bestccc.com

misid.exe

190 B
132 B
4
3
103.14.121.240:443

bestccc.com

tls

misid.exe

392 B
219 B
5
5
103.14.121.240:443

bestccc.com

tls

misid.exe

354 B
219 B
5
5
103.14.121.240:443

bestccc.com

misid.exe

152 B
3
103.14.121.240:443

bestccc.com

misid.exe

152 B
3
103.14.121.240:443

bestccc.com

tls

misid.exe

288 B
219 B
5
5
103.14.121.240:443

bestccc.com

misid.exe

152 B
3
103.14.121.240:443

bestccc.com

misid.exe

190 B
132 B
4
3
103.14.121.240:443

bestccc.com

misid.exe

152 B
3
103.14.121.240:443

bestccc.com

misid.exe

152 B
3

8.8.8.8:53

bestccc.com

dns

misid.exe

57 B
73 B
1
1

DNS Request

bestccc.com

DNS Response

103.14.121.240

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
44KB

MD5
4614fb7c4c12041673f1e74df4350eb5

SHA1
bcdcb4dacb7ffac6bc334628ae056e27b210161b

SHA256
2372baf8a63546189cc806b71ded54c408d0ecfd8c0687306a629be9fbd645b5

SHA512
a6679f3afaed2abbe1f107a36ab1683e9492af41ac1cf0ea365437fa9e55403534ce37606f87157fa6f79404788a5c01a79573ca2d9cceffd483d0cb7383c53b

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

Filesize
44KB

MD5
4614fb7c4c12041673f1e74df4350eb5

SHA1
bcdcb4dacb7ffac6bc334628ae056e27b210161b

SHA256
2372baf8a63546189cc806b71ded54c408d0ecfd8c0687306a629be9fbd645b5

SHA512
a6679f3afaed2abbe1f107a36ab1683e9492af41ac1cf0ea365437fa9e55403534ce37606f87157fa6f79404788a5c01a79573ca2d9cceffd483d0cb7383c53b

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

Filesize
44KB

MD5
4614fb7c4c12041673f1e74df4350eb5

SHA1
bcdcb4dacb7ffac6bc334628ae056e27b210161b

SHA256
2372baf8a63546189cc806b71ded54c408d0ecfd8c0687306a629be9fbd645b5

SHA512
a6679f3afaed2abbe1f107a36ab1683e9492af41ac1cf0ea365437fa9e55403534ce37606f87157fa6f79404788a5c01a79573ca2d9cceffd483d0cb7383c53b

Download Submit
memory/2144-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2144-1-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2144-7-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2672-16-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/2672-15-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download