249bdaa4332b3e1a3a2148d4fd587a42bd48615af556d1c72da51c55bb2ca697

Analysis

max time kernel
118s
max time network
131s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
29-06-2024 19:02

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General

Target

locales/cs.pak
Size

107KB
MD5

0325d16a747cca73a3a2b0c94fac123d
SHA1

e5989627742ecee5f8996001002e97627bfbe10d
SHA256

c00829fc57c7e1e5419fe3202f114d394a590b8b32b1e55af42772c93755945d
SHA512

b824297df25c097251432fa72ae1258092e692ff3e4c527599897d7d3e71007cbd80e300de54b87146889f71d537c7d297c1b3cac04b6e08d7ce29132ec9e5dc
SSDEEP

1536:6G+wdXqt5qYSP7ymjLEwoVD33zSYoYlBw/dhRRkP+8QUQdbiE:JvXPjyfaYl6/P2+8QUQdbd

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-1-5-21-39690363-730359138-1046745555-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pak_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\pak_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

2604 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2604 AcroRd32.exe
2604 AcroRd32.exe

pid	process
2604	AcroRd32.exe

pid	process
2604	AcroRd32.exe
2604	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2188 wrote to memory of 2752	2188	cmd.exe	rundll32.exe
PID 2188 wrote to memory of 2752	2188	cmd.exe	rundll32.exe
PID 2188 wrote to memory of 2752	2188	cmd.exe	rundll32.exe
PID 2752 wrote to memory of 2604	2752	rundll32.exe	AcroRd32.exe
PID 2752 wrote to memory of 2604	2752	rundll32.exe	AcroRd32.exe
PID 2752 wrote to memory of 2604	2752	rundll32.exe	AcroRd32.exe
PID 2752 wrote to memory of 2604	2752	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\cs.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2188

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\cs.pak
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2752

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\locales\cs.pak"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2604

Network

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
8458d0d3d093c014916ac8604a056855

SHA1
f224bb39256b96c971dfc92100daa43b86445211

SHA256
579eaf892faf600e12512a37b9bf7ca64ad2d4309c51d8e5ed61fcabbf2826ce

SHA512
62adc8a5ac660132a9fa5e5e341ace6d9428e2670a4ab19f35cf87523fb54e9b53b88af91f42a1be0b549a896fb737965050b258feef06c22620acc6e706f8f8

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