ee65e9d7a7bc9d17e894e0b775fc0bbfb35e72c65c3d768e34bfe059d521cc16

Resubmissions

21-01-2024 14:52

240121-r8syqaeac7 10

21-01-2024 14:51

240121-r8k8waeac5 10

01-01-2024 13:55

240101-q776kscacp 10

Analysis

max time kernel
158s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2024 13:55

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General

Target

b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe
Size

245KB
MD5

78db42a978dbaeec6b87e718b0e00160
SHA1

226616df9b26e9ca327805755b75813ad67c1f3f
SHA256

b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8
SHA512

8a8a29eb8679512ab214d16b3e207a4545dbd63a8410ce41eef8d2c249131a5947a157344932b6041feb3084ad14d437627d754a34b977a6c2f71159a54b2b5c
SSDEEP

6144:ZU1aQUdyXTFDhznLOoAM4zkw7nMnp5PdleQRWsvBoCRt7Y0x:ZUQd4TFJLOolqk/72QksvBBt7Y0

Score

9^/10

ransomware

Malware Config

Signatures

Renames multiple (154) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware
Deletes itself 1 IoCs

Processes:

b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe

pid process

1140 b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe

Enumerates connected drives 3 TTPs 24 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe

description	ioc	process
File opened (read-only)	\??\B:	b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe
File opened (read-only)	\??\F:	b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe
File opened (read-only)	\??\R:	b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe
File opened (read-only)	\??\A:	b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe
File opened (read-only)	\??\S:	b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe
File opened (read-only)	\??\K:	b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe
File opened (read-only)	\??\X:	b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe
File opened (read-only)	\??\N:	b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe
File opened (read-only)	\??\J:	b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe
File opened (read-only)	\??\Z:	b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe
File opened (read-only)	\??\V:	b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe
File opened (read-only)	\??\E:	b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe
File opened (read-only)	\??\U:	b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe
File opened (read-only)	\??\P:	b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe
File opened (read-only)	\??\G:	b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe
File opened (read-only)	\??\H:	b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe
File opened (read-only)	\??\O:	b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe
File opened (read-only)	\??\L:	b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe
File opened (read-only)	\??\M:	b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe
File opened (read-only)	\??\Q:	b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe
File opened (read-only)	\??\W:	b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe
File opened (read-only)	\??\T:	b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe
File opened (read-only)	\??\Y:	b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe
File opened (read-only)	\??\I:	b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe

pid	process
1140	b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe
1140	b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe

pid process

1140 b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe

C:\Users\Admin\AppData\Local\Temp\b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe
"C:\Users\Admin\AppData\Local\Temp\b8ce0174783c9c7ec30f96f8857c356e61365562463457d3ef0d1f62f4d302a8.exe"
1⤵
- Deletes itself
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
PID:1140

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\HOW TO RECOVER YOUR FILES.txt

Filesize
415B

MD5
a737534f6b78e78d154a68c9e23251b9

SHA1
f4cff3471965cdd5763edf86fb897f2e671c9336

SHA256
9c551d94361cfe9c3bd475d6d45738f299fc9eb07fed69a44db30356e2af14d8

SHA512
d0c7c82ff8a7991e7e2569a0ce412c0fc5ed5fdad0174ecc9c73c31a6af2f85f7e23695735d2a61c85aea7996383ee26926f04f29627bc61c6a7992af48f096d

Download Submit
memory/1140-1-0x00007FF758AA0000-0x00007FF758B42000-memory.dmp

Filesize
648KB

Download
memory/1140-0-0x00007FFD10770000-0x00007FFD10965000-memory.dmp

Filesize
2.0MB

Download
memory/1140-220-0x00007FF758AA0000-0x00007FF758B42000-memory.dmp

Filesize
648KB

Download