a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb

Analysis

max time kernel
144s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
24/11/2022, 00:34

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General

Target

a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe
Size

71KB
MD5

27224fad054089ffb44416232c299020
SHA1

54cf6a7b503eccd5d5d78ef8eca4c33b9767eefc
SHA256

a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb
SHA512

f8c80552a7e9c5aa369a0cec3e56b446ab4a15a0bf7f29eea83439977b975d8edbcf7418b1fc96407410f9e5c94add504b2d51ebbe954035df38e93058bb15a7
SSDEEP

1536:QKuOXR2esnjlRTN3FzJnPOT1X4ZwFc3pL+l8/s:DuOXR2NjjfJnEiZPM

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\software\WOW6432Node\Microsoft\Windows\CurrentVersion\run	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe

Enumerates connected drives 3 TTPs 22 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

description	ioc	Process
File opened (read-only)	\??\R:	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe
File opened (read-only)	\??\Q:	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe
File opened (read-only)	\??\O:	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe
File opened (read-only)	\??\K:	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe
File opened (read-only)	\??\G:	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe
File opened (read-only)	\??\E:	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe
File opened (read-only)	\??\Z:	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe
File opened (read-only)	\??\V:	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe
File opened (read-only)	\??\U:	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe
File opened (read-only)	\??\S:	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe
File opened (read-only)	\??\I:	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe
File opened (read-only)	\??\Y:	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe
File opened (read-only)	\??\W:	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe
File opened (read-only)	\??\P:	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe
File opened (read-only)	\??\M:	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe
File opened (read-only)	\??\J:	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe
File opened (read-only)	\??\F:	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe
File opened (read-only)	\??\X:	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe
File opened (read-only)	\??\N:	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe
File opened (read-only)	\??\L:	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe
File opened (read-only)	\??\H:	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe
File opened (read-only)	\??\T:	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe

Drops autorun.inf file 1 TTPs 2 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File opened for modification	C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe
File opened for modification	C:\autorun.inf	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5028	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe
5028	a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe

C:\Users\Admin\AppData\Local\Temp\a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe
"C:\Users\Admin\AppData\Local\Temp\a35db4dfd6864817665b9638ee3770ad04f5d3d3aa897b2774740f140dc3b7bb.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Adds Run key to start application
- Enumerates connected drives
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
PID:5028

Network

MITRE ATT&CK Enterprise v6

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/5028-135-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

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memory/5028-136-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download