c911fc796b9bf671e9d239a637e14f44f55cf8617e7a76bbbfdde77d89152faa

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
13-06-2024 13:44

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General

Target

eeHwRegs.bin
Size

64KB
MD5

d40007b6a8691a2e14aa6151d32ad9b2
SHA1

a64cd77965bc69d2a1354156d8464723412d00c4
SHA256

cf125a99e829b27572b4fcae6874802fd8672c7c34523f6819c3264d651ca548
SHA512

18fbd287cc4f8beefcf40f371e2408484ff88382a973f6914a7bfeb78476baddb8b31aa797cca35b6baa856f735bc10e1a168e37e1abb286866c5c5127a4c4ed
SSDEEP

3:PXVllNXml/lUlztllEl+0llbwtJtlElRlllth//ltlTlLlqllElgZll48l/llLl3:iyu+0/sYFeag6/4WW

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
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\bin_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.bin	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.bin\ = "bin_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\bin_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\bin_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\bin_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\bin_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\bin_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2656 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2656 AcroRd32.exe
2656 AcroRd32.exe

pid	process
2656	AcroRd32.exe

pid	process
2656	AcroRd32.exe
2656	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 112 wrote to memory of 2588	112	cmd.exe	rundll32.exe
PID 112 wrote to memory of 2588	112	cmd.exe	rundll32.exe
PID 112 wrote to memory of 2588	112	cmd.exe	rundll32.exe
PID 2588 wrote to memory of 2656	2588	rundll32.exe	AcroRd32.exe
PID 2588 wrote to memory of 2656	2588	rundll32.exe	AcroRd32.exe
PID 2588 wrote to memory of 2656	2588	rundll32.exe	AcroRd32.exe
PID 2588 wrote to memory of 2656	2588	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\eeHwRegs.bin
1⤵
- Suspicious use of WriteProcessMemory
PID:112

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\eeHwRegs.bin
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2588

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\eeHwRegs.bin"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2656

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
f604e23b24b0be533e66fad68fb047e6

SHA1
b8779c93bc49618e4e1a8b2144a4344195b346d6

SHA256
ec75d5f916e46775e2e8c116a9ea7ec4f31ec153ac1b9799a5d5433c0dcc6bd9

SHA512
fe7c28474ac6d75d64acb16ffe83220cb900e6e80e5974be299637f315873a3b0a91bead393d7e652ea3562940df0391b1cbdf9cf1aeddcb02abd4c4cc1e76f8

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