a636a22ba499261bf77b114676f49241f9c4532d586bb206db1cbddcb9c6bf8d

Analysis

max time kernel
1482s
max time network
1497s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
06/03/2024, 13:56

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General

Target

PowerISO8.exe
Size

4.8MB
MD5

e266c762c389d911887606e3d9be7b1c
SHA1

f79243622e0abd9456e82030081bc158d2455f91
SHA256

a636a22ba499261bf77b114676f49241f9c4532d586bb206db1cbddcb9c6bf8d
SHA512

f7d2aa314d3aaf8ba0e8c7cae073e9b6900d05fb9ccafea267b7a21925605ac1f6abcf2aa7a29843ce56155400e97f24017b1a96c9a8e624522c094f0f6bd6c9
SSDEEP

98304:jdFL7/mO2sh23D4oZZGAV6WIu8qQjFWgG11:X/tNpcR8zjFc11

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 4 IoCs

pid	Process
3880	PowerISO8.exe
3880	PowerISO8.exe
3880	PowerISO8.exe
3880	PowerISO8.exe

Checks for any installed AV software in registry 1 TTPs 2 IoCs

Security Software Discovery

T1518.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\AVG\AV	PowerISO8.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\AVG\AV	PowerISO8.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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3880	PowerISO8.exe
3880	PowerISO8.exe
3880	PowerISO8.exe
3880	PowerISO8.exe
3880	PowerISO8.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3880	PowerISO8.exe
Token: SeShutdownPrivilege	3880	PowerISO8.exe
Token: SeCreatePagefilePrivilege	3880	PowerISO8.exe

C:\Users\Admin\AppData\Local\Temp\PowerISO8.exe
"C:\Users\Admin\AppData\Local\Temp\PowerISO8.exe"
1⤵
- Loads dropped DLL
- Checks for any installed AV software in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Software Discovery

T1518

Security Software Discovery

T1518.001

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsz6B8D.tmp\System.dll

Filesize
12KB

MD5
8cf2ac271d7679b1d68eefc1ae0c5618

SHA1
7cc1caaa747ee16dc894a600a4256f64fa65a9b8

SHA256
6950991102462d84fdc0e3b0ae30c95af8c192f77ce3d78e8d54e6b22f7c09ba

SHA512
ce828fb9ecd7655cc4c974f78f209d3326ba71ced60171a45a437fc3fff3bd0d69a0997adaca29265c7b5419bdea2b17f8cc8ceae1b8ce6b22b7ed9120bb5ad3

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsz6B8D.tmp\nsk6C69.tmp

Filesize
29KB

MD5
c3b224d15a9036805575b2ff0bcefeda

SHA1
74779ae82a97e97d770435d097821810f16c97c5

SHA256
23d8aeff49ffbac9f9490e9739e059cd7064516dbcd693fe2de77830b127ff8a

SHA512
5a5d98cc9a4aca076049340a4645879a8e4a1d2e24a672015627446d7e3729acf0b64bc8a0f702b8da735d22607fe13ba3ef6a497a57891804576899b06bb461

Download Submit
memory/3880-15-0x0000000003380000-0x0000000003390000-memory.dmp

Filesize
64KB

Download
memory/3880-19-0x00000000031F0000-0x0000000003200000-memory.dmp

Filesize
64KB

Download
memory/3880-20-0x0000000074590000-0x00000000745A0000-memory.dmp

Filesize
64KB

Download
memory/3880-21-0x0000000073CE0000-0x0000000074491000-memory.dmp

Filesize
7.7MB

Download
memory/3880-22-0x0000000005490000-0x0000000005A36000-memory.dmp

Filesize
5.6MB

Download
memory/3880-23-0x0000000005A80000-0x0000000005B12000-memory.dmp

Filesize
584KB

Download
memory/3880-24-0x0000000006600000-0x0000000006644000-memory.dmp

Filesize
272KB

Download
memory/3880-25-0x0000000006650000-0x00000000066EC000-memory.dmp

Filesize
624KB

Download
memory/3880-26-0x00000000066F0000-0x0000000006756000-memory.dmp

Filesize
408KB

Download
memory/3880-27-0x0000000006C00000-0x000000000712C000-memory.dmp

Filesize
5.2MB

Download
memory/3880-30-0x0000000003380000-0x0000000003390000-memory.dmp

Filesize
64KB

Download
memory/3880-31-0x0000000073CE0000-0x0000000074491000-memory.dmp

Filesize
7.7MB

Download