0b9476f056dbb5b1da9b4e8a456609a5acb6433dd21ab751b5cab25f46de3a01

Analysis

max time kernel
0s
max time network
148s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
09/01/2024, 06:49

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2024-01-08_e412004ecb70f013bd947330a5f69e33_cryptolocker.exe
Size

90KB
MD5

e412004ecb70f013bd947330a5f69e33
SHA1

26a85ad9e600a39fbd4c043f976aa227f6f6b5f2
SHA256

0b9476f056dbb5b1da9b4e8a456609a5acb6433dd21ab751b5cab25f46de3a01
SHA512

c24f3479e2212069e3d42d191a8eb0a1dc2097ba548920d5f8120c8e57379c0e853ce1a7a47425d7e1ad420267b3fd2f56f0ce47a8da9cec9ff9905a38c72ff1
SSDEEP

1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/a:zCsanOtEvwDpjBa

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3012	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2348	2024-01-08_e412004ecb70f013bd947330a5f69e33_cryptolocker.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2348-1-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2348-15-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x0009000000014826-25.dat	upx
behavioral1/memory/3012-20-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x0009000000014826-14.dat	upx
behavioral1/files/0x0009000000014826-11.dat	upx

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 2348 wrote to memory of 3012	2348	2024-01-08_e412004ecb70f013bd947330a5f69e33_cryptolocker.exe	14
PID 2348 wrote to memory of 3012	2348	2024-01-08_e412004ecb70f013bd947330a5f69e33_cryptolocker.exe	14
PID 2348 wrote to memory of 3012	2348	2024-01-08_e412004ecb70f013bd947330a5f69e33_cryptolocker.exe	14
PID 2348 wrote to memory of 3012	2348	2024-01-08_e412004ecb70f013bd947330a5f69e33_cryptolocker.exe	14

C:\Users\Admin\AppData\Local\Temp\2024-01-08_e412004ecb70f013bd947330a5f69e33_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-08_e412004ecb70f013bd947330a5f69e33_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3012

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

Loading Replay Monitor...

Downloads

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

Filesize
7KB

MD5
f36729d6d741f3ffd0ff7b97688ac9d5

SHA1
2cf6da1457e066130098665d8901001abeab43ac

SHA256
c10f3ba47434c962ac09c6f03015c256eee58800a083c181938b5738396092ed

SHA512
5d6bcc0583ba943f4e5dfbddaf375821a5b86d470eb6b8eaa31d3b7322658fe4eac9e7f376134cf021f4cef1b83d58eda17276aafb608b26ca887cab3887bbb4

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

Filesize
1KB

MD5
dadd9442a6df5d87946543586e102a67

SHA1
efbfca8117824aa2c768f3dc46179852228da41c

SHA256
90fbde71642fddbc39e794b91f7826a7f63e9b91437c50e2ad5f8e445f13bed1

SHA512
d34dd912bdc525ee09a453cc5938a7f7f01633e61d6d9782b1a16b143e3f889703b564d08a73f884103a331356b68cd2d7390549ab6f52c54ed70ac2cebe292b

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

Filesize
5KB

MD5
ab2fb73c986f0108045fe22f4e13c391

SHA1
d92b81f6faaa941ddf6d7c650e12f809957d4add

SHA256
9733a94f7d23f60c9a9310dcd11f7c2421b5b234d1240c846f1292ca0075dec7

SHA512
b251ae0997e3c85a207412a4e10707d09ca72466db8c6106ef28afe1274aff42f0fef4f282fcfee06d30bdfc92f1d5bafd4b110ddfc6f05681e007e771c27088

Download Submit
memory/2348-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2348-1-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2348-9-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2348-15-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2348-2-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/3012-18-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/3012-20-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3012-17-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download