3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a

Analysis

max time kernel
38s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
25-11-2022 08:25

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General

Target

3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exe
Size

54KB
MD5

cb681471d17ce04724e7157737f0e1d5
SHA1

378ca09b47bea02d51bae7e7e000c792f8fc59c0
SHA256

3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a
SHA512

683aab6c30e7f65e381e5afeb780a3d2de1e1cf66d2f2fb026983c481d76e2183962194b7cfa4a40d5bee093034390f1cdc28c4d37da57469538442d441f6908
SSDEEP

1536:EAK/Eg7V/tYsadOXWCYRkcXUIAUtBuFJV:7kEgp/tYs3XWCYRjXZ5tBC

Score

8^/10

discovery persistence upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1556-54-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral1/memory/1556-56-0x0000000000400000-0x0000000000423000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run	3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\10-1-2-118 = "c:\\program files\\Webdialer\\3ac94418b6325a35b7cc01beedd08 -m"	3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Program Files directory 2 IoCs

Processes:

3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exe

description	ioc	process
File created	\??\c:\program files\Webdialer\3ac94418b6325a35b7cc01beedd08	3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exe
File opened for modification	\??\c:\program files\Webdialer\3ac94418b6325a35b7cc01beedd08	3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.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 1 IoCs

Processes:

3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exe

pid process

1556 3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exe

pid process

1556 3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exe

pid	process
1556	3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exe

pid	process
1556	3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exe

C:\Users\Admin\AppData\Local\Temp\3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exe
"C:\Users\Admin\AppData\Local\Temp\3ac94418b6325a35b7cc01beedd088702e500c3d6e74fdd7d57c18d46308d35a.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1556

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1556-54-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1556-55-0x0000000075CF1000-0x0000000075CF3000-memory.dmp

Filesize
8KB

Download
memory/1556-56-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads