24fe65718394b79c9d647247a56788d65b3027391ab9f09484705b1d57635818

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
24-04-2024 21:03

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General

Target

001 GM Rhythm.smp
Size

4.1MB
MD5

1d434d82660df481c21c50093d665caf
SHA1

3b90f64aa2125a11459244dfef1f544300c60bdc
SHA256

2e885b96c731751f13cfce91937b299111b0a589a797741023b80eba50791156
SHA512

26625d429390ba946fe1ae70296c601e0dd7e41b2333efce12541f54ed33813dfffe45df7ad62a7d4b36063a0fd18cf63a66dae2c67c37ca58263e5dfb614ea9
SSDEEP

98304:MNfY4cHWZNQxNhOVTNIFKt1eV2QvZ2HhV0FfrKCzshIycwmAEbfH+zH2:MN/c2PQMV+DQQhS70pKThIycwpEbP+72

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\smp_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\smp_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\smp_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\smp_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.smp	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.smp\ = "smp_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\smp_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\smp_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2800 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2800 AcroRd32.exe
2800 AcroRd32.exe

pid	process
2800	AcroRd32.exe

pid	process
2800	AcroRd32.exe
2800	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2340 wrote to memory of 2112	2340	cmd.exe	rundll32.exe
PID 2340 wrote to memory of 2112	2340	cmd.exe	rundll32.exe
PID 2340 wrote to memory of 2112	2340	cmd.exe	rundll32.exe
PID 2112 wrote to memory of 2800	2112	rundll32.exe	AcroRd32.exe
PID 2112 wrote to memory of 2800	2112	rundll32.exe	AcroRd32.exe
PID 2112 wrote to memory of 2800	2112	rundll32.exe	AcroRd32.exe
PID 2112 wrote to memory of 2800	2112	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\001 GM Rhythm.smp"
1⤵
- Suspicious use of WriteProcessMemory
PID:2340

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\001 GM Rhythm.smp
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2112

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\001 GM Rhythm.smp"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2800

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Filesize
3KB

MD5
0fa711700e418b34fd8f3e13a8dd971a

SHA1
de046f18d5ddab16b0f534eab13c511417ce2c66

SHA256
608bba25ebebc2a81e40118265817e1134e8cca291c5d145195c568842320810

SHA512
0d8ffc552a4067d9f1f1e3ffcfe3f9948f403f142974e73c92c1baf95198a8baa018e07bf1d521c509255ebf7c954bff8d657b659033d6b01fe9d7767e11f9b2

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