dd11d23ce78790c82cc07ee9e22ff5b07e5d284f8007ee574b27656325b572e2

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
30-12-2023 04:42

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General

Target

0eda7f7833d52f885efd7d6a71f40d0b.exe
Size

75KB
MD5

0eda7f7833d52f885efd7d6a71f40d0b
SHA1

d00e0ba8dbbcb515971980b6a9ca9e494782d01d
SHA256

dd11d23ce78790c82cc07ee9e22ff5b07e5d284f8007ee574b27656325b572e2
SHA512

7bd3f98ce8efcbb9c5af4888a7d42d8bb0be2704af5cbc2e2e115a672fa3b18771939ae86f426560222bc9279da4eda6354836de785ba37798f305078fbf5dc0
SSDEEP

1536:CRAAzSDQTAcygwT4RaNuNUrrAHdx/8iOBk3XnpEldd5rjGu:MA2SUTaTPuNUrAOBk3XnWd5D

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1748	cstart-tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2224	0eda7f7833d52f885efd7d6a71f40d0b.exe
2224	0eda7f7833d52f885efd7d6a71f40d0b.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2224-0-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/1748-14-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/2224-12-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/1748-40-0x0000000000400000-0x0000000000429000-memory.dmp	upx

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 Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\gvcasinos.ini	cstart-tmp.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2224 wrote to memory of 1748	2224	0eda7f7833d52f885efd7d6a71f40d0b.exe	16
PID 2224 wrote to memory of 1748	2224	0eda7f7833d52f885efd7d6a71f40d0b.exe	16
PID 2224 wrote to memory of 1748	2224	0eda7f7833d52f885efd7d6a71f40d0b.exe	16
PID 2224 wrote to memory of 1748	2224	0eda7f7833d52f885efd7d6a71f40d0b.exe	16

C:\Users\Admin\AppData\Local\Temp\cstart-tmp.exe
"C:\Users\Admin\AppData\Local\Temp\cstart-tmp.exe" /wait 2224
1⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:1748

C:\Users\Admin\AppData\Local\Temp\0eda7f7833d52f885efd7d6a71f40d0b.exe
"C:\Users\Admin\AppData\Local\Temp\0eda7f7833d52f885efd7d6a71f40d0b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2224

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1748-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1748-40-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2224-0-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2224-13-0x0000000000250000-0x0000000000279000-memory.dmp

Filesize
164KB

Download
memory/2224-12-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2224-11-0x0000000000250000-0x0000000000279000-memory.dmp

Filesize
164KB

Download
memory/2224-41-0x0000000000250000-0x0000000000279000-memory.dmp

Filesize
164KB

Download