eb06b198bf42d7c35111dc76c27db1f77bfba7b034081183614f938d07d26269

Resubmissions

19-04-2024 04:24

240419-e1tttshf8y 10

19-04-2024 04:20

240419-eygrgshe9s 10

19-04-2024 04:05

240419-eny8sagb93 10

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19-04-2024 04:05

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General

Target

source_prepared.pyc
Size

126KB
MD5

7de4501b15027fd0ed3ec6da09398cdf
SHA1

121e20aabafc32291fd47fb4501ead0a824bdb0a
SHA256

b11e8b3883d7e90cdbe1f039a717bdfc070c59085b53afeae4e1d4febcabc310
SHA512

13795df100515a37aee7b99d6edd4b92e40d6864980b8c170e202aa4d0853ae0fa4f830d939eba1d91bf96a345297980128063e1140c74ccb591eca28405ecc2
SSDEEP

1536:SL79Ygi1Gfu8WoBQCtKwQe7zMiXtAgicy6VPIzllHUVbC8Ofi:SL79o1gufoltK+74cigicGybC8Oa

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-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2460 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2460 AcroRd32.exe
2460 AcroRd32.exe

pid	process
2460	AcroRd32.exe

pid	process
2460	AcroRd32.exe
2460	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2980 wrote to memory of 2500	2980	cmd.exe	rundll32.exe
PID 2980 wrote to memory of 2500	2980	cmd.exe	rundll32.exe
PID 2980 wrote to memory of 2500	2980	cmd.exe	rundll32.exe
PID 2500 wrote to memory of 2460	2500	rundll32.exe	AcroRd32.exe
PID 2500 wrote to memory of 2460	2500	rundll32.exe	AcroRd32.exe
PID 2500 wrote to memory of 2460	2500	rundll32.exe	AcroRd32.exe
PID 2500 wrote to memory of 2460	2500	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2980

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2500

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\source_prepared.pyc"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2460

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

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

MD5
90fe8897a93284a37f4b660cfab3acbb

SHA1
e4fe08311102aeb18fd23d4086066272ce71c81f

SHA256
1b6ef76ac0ec92aa59d03ccb5a296e142f01808b2edfcc3d550bb6d771f575da

SHA512
1604b0f9f34a4c27c9e84000a3dc07bb56f528ba2fd7ea195caa22cfb87bd9801f6a2633e3ba629d08cb73ec2a82a066976da01de4cb9799d9e7d93b66737a4b

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