249bdaa4332b3e1a3a2148d4fd587a42bd48615af556d1c72da51c55bb2ca697

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
29-06-2024 19:02

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General

Target

locales/ca.pak
Size

105KB
MD5

79ec325651589f138c7840c61316d8f5
SHA1

37503edcae710e2d61f390064fa2d9893d4b9c8d
SHA256

9a4e286a58bb9a58e9e30d982783663c9bce40730cb6dad4c37980038040919e
SHA512

f00a9354871c77947d2b99e83b54babcb46b5a45c24702c1b5f750156abcb2a00d12c6b4c2e15634d4d560de0afa5b9c368d31f08cf447f2209f51c0b8ef6384
SSDEEP

3072:Em2DPcgrI54tBL8l/oq7O5awat8PU02he8X/FS0bzRhqRRhnAkpxlCEtT3nRA39u:EvPcgkoqO5a78PUzhe8X/80nEznAkpxl

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-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.pak	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2860 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2860 AcroRd32.exe
2860 AcroRd32.exe

pid	process
2860	AcroRd32.exe

pid	process
2860	AcroRd32.exe
2860	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 3032 wrote to memory of 2724	3032	cmd.exe	rundll32.exe
PID 3032 wrote to memory of 2724	3032	cmd.exe	rundll32.exe
PID 3032 wrote to memory of 2724	3032	cmd.exe	rundll32.exe
PID 2724 wrote to memory of 2860	2724	rundll32.exe	AcroRd32.exe
PID 2724 wrote to memory of 2860	2724	rundll32.exe	AcroRd32.exe
PID 2724 wrote to memory of 2860	2724	rundll32.exe	AcroRd32.exe
PID 2724 wrote to memory of 2860	2724	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\ca.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:3032

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\ca.pak
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2724

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\ca.pak"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2860

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
c1df73994437c1cabf75c25143bb076a

SHA1
a8da5c3ab744bae9dd1f0785aef70cb9d6b55a21

SHA256
943ac2ef2138dc460fb49ae6286798001544c4f64c9da4e1e882d4c8613a5d50

SHA512
2c91a30fa7c8c81de2cb84429e33c168132120e767d5ae6760fc41f3ab6a44fd2853fd11757a9ced725c6e049f4fa6cf8be9f680613e82a3c4767b5eb202c0bd

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