aa76b3f15e85ba076dfcac34bec9d9ac12ed5e9b388631610e7a5c00e4dfaa0d

Analysis

max time kernel
233s
max time network
336s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
04/12/2022, 02:45

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General

Target

aa76b3f15e85ba076dfcac34bec9d9ac12ed5e9b388631610e7a5c00e4dfaa0d.exe
Size

780KB
MD5

597878c415735e0da72c6d0d385c3de9
SHA1

b519802dc10e8b53bc03bf4b75ddf32a7d976ebd
SHA256

aa76b3f15e85ba076dfcac34bec9d9ac12ed5e9b388631610e7a5c00e4dfaa0d
SHA512

f6294777722b356e3f07407ef4615850f7e8f1d6cdbefc078d87dbb77f14d647c5c41900b1b27c0df322047e17626818f73654b9c69786f5b944386b1c0fd0a7
SSDEEP

12288:HMq8yXegSfmPRv67QzU89nMLo+BVJf0HYMEF:HM7Z6i7Ql9nwvB8E

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
1940	aa76b3f15e85ba076dfcac34bec9d9ac12ed5e9b388631610e7a5c00e4dfaa0d.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\Program Files\27071444\abcd.exe	aa76b3f15e85ba076dfcac34bec9d9ac12ed5e9b388631610e7a5c00e4dfaa0d.exe
File created	C:\Program Files\27071444\360P2SP.wma	aa76b3f15e85ba076dfcac34bec9d9ac12ed5e9b388631610e7a5c00e4dfaa0d.exe
File created	C:\Program Files\27071444\bat.txt	aa76b3f15e85ba076dfcac34bec9d9ac12ed5e9b388631610e7a5c00e4dfaa0d.exe
File created	C:\Program Files\27071444\4427.txt	aa76b3f15e85ba076dfcac34bec9d9ac12ed5e9b388631610e7a5c00e4dfaa0d.exe
File created	C:\Program Files\date2744\IeUpdate.exe	aa76b3f15e85ba076dfcac34bec9d9ac12ed5e9b388631610e7a5c00e4dfaa0d.exe

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

System Information Discovery
T1082

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1940	aa76b3f15e85ba076dfcac34bec9d9ac12ed5e9b388631610e7a5c00e4dfaa0d.exe
1940	aa76b3f15e85ba076dfcac34bec9d9ac12ed5e9b388631610e7a5c00e4dfaa0d.exe

C:\Users\Admin\AppData\Local\Temp\aa76b3f15e85ba076dfcac34bec9d9ac12ed5e9b388631610e7a5c00e4dfaa0d.exe
"C:\Users\Admin\AppData\Local\Temp\aa76b3f15e85ba076dfcac34bec9d9ac12ed5e9b388631610e7a5c00e4dfaa0d.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
PID:1940

Network

MITRE ATT&CK Enterprise v6

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

\Users\Admin\AppData\Local\Temp\nsp80E.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
memory/1940-54-0x0000000075441000-0x0000000075443000-memory.dmp

Filesize
8KB

Download
memory/1940-56-0x0000000073CE1000-0x0000000073CE3000-memory.dmp

Filesize
8KB

Download