5138a0770379fcc0cb964691fc7359f97921745e6522d5a7ad7e8e1eb6888b5c

Analysis

max time kernel
155s
max time network
181s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 08:32

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General

Target

5138a0770379fcc0cb964691fc7359f97921745e6522d5a7ad7e8e1eb6888b5c.exe
Size

74KB
MD5

42b0a4f5b85d1f879d59295ccfe2661a
SHA1

95793eb1be319fef9238a1e4db00665d4f6b7ff1
SHA256

5138a0770379fcc0cb964691fc7359f97921745e6522d5a7ad7e8e1eb6888b5c
SHA512

648a03bf8da3eb01bb3d2bde2cec1a796680d32de72f3070b9390a8af30589a92d24617b8468777be793cd743d304f64d04010de2aa959099c22e4d320690da7
SSDEEP

1536:zvwIMUkn5lRjATpx6GWT4T/aj1DfKz0Sx6vGMHRYZ35iIEtjRsD4:bJknVKucT/u1+zPGHRkJyRs

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
behavioral2/memory/3940-132-0x0000000000400000-0x000000000042C000-memory.dmp	upx
behavioral2/memory/3940-133-0x0000000000400000-0x000000000042C000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

5138a0770379fcc0cb964691fc7359f97921745e6522d5a7ad7e8e1eb6888b5c.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run	5138a0770379fcc0cb964691fc7359f97921745e6522d5a7ad7e8e1eb6888b5c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\105-2-5-4 = "c:\\program files\\Webdialer\\5138a0770379fcc0cb964691fc735 -m"	5138a0770379fcc0cb964691fc7359f97921745e6522d5a7ad7e8e1eb6888b5c.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:

5138a0770379fcc0cb964691fc7359f97921745e6522d5a7ad7e8e1eb6888b5c.exe

description	ioc	process
File created	\??\c:\program files\Webdialer\5138a0770379fcc0cb964691fc735	5138a0770379fcc0cb964691fc7359f97921745e6522d5a7ad7e8e1eb6888b5c.exe
File opened for modification	\??\c:\program files\Webdialer\5138a0770379fcc0cb964691fc735	5138a0770379fcc0cb964691fc7359f97921745e6522d5a7ad7e8e1eb6888b5c.exe

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

System Information Discovery
T1082
Suspicious behavior: LoadsDriver 6 IoCs

Processes:

pid

4
4
4
4
4
652
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

5138a0770379fcc0cb964691fc7359f97921745e6522d5a7ad7e8e1eb6888b5c.exe

pid process

3940 5138a0770379fcc0cb964691fc7359f97921745e6522d5a7ad7e8e1eb6888b5c.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

5138a0770379fcc0cb964691fc7359f97921745e6522d5a7ad7e8e1eb6888b5c.exe

pid process

3940 5138a0770379fcc0cb964691fc7359f97921745e6522d5a7ad7e8e1eb6888b5c.exe

pid
4
4
4
4
4
652

pid	process
3940	5138a0770379fcc0cb964691fc7359f97921745e6522d5a7ad7e8e1eb6888b5c.exe

pid	process
3940	5138a0770379fcc0cb964691fc7359f97921745e6522d5a7ad7e8e1eb6888b5c.exe

C:\Users\Admin\AppData\Local\Temp\5138a0770379fcc0cb964691fc7359f97921745e6522d5a7ad7e8e1eb6888b5c.exe
"C:\Users\Admin\AppData\Local\Temp\5138a0770379fcc0cb964691fc7359f97921745e6522d5a7ad7e8e1eb6888b5c.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3940

Network

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/3940-132-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/3940-133-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download