479f024e77b53300da8dd0e0d0243dca32af5c1aefaa2f254127bc59f2901d93

Analysis

max time kernel
119s
max time network
130s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
08-07-2024 11:24

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General

Target

locales/af.pak
Size

340KB
MD5

198092a7a82efced4d59715bd3e41703
SHA1

ac3cdfba133330fce825816b2f9579ac240dc176
SHA256

d63222c4a20fa9741f5262634cf9751f22fbb4fcd9d3138d7c8d49e0efb57fba
SHA512

590dcc02bc3411fa585321a09f2033ca1839dd67b083622be412d60683c2c086aac81a27bc56029101f6158515cc6ae4def39d3f246b7499b30d02690904af0d
SSDEEP

6144:ptbDrUln/WiOvz9P5D4uEmv0XPjC6nAcbaK6pgwwexhsVxS42K6tA3pU5tpwDw44:ptfOOiOvzg/mCPjC6nAcbipgwwePSS4C

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-1-5-21-3502430532-24693940-2469786940-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_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-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\.pak	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\pak_auto_file\shell\Read\command	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 2660 wrote to memory of 1812	2660	cmd.exe	rundll32.exe
PID 2660 wrote to memory of 1812	2660	cmd.exe	rundll32.exe
PID 2660 wrote to memory of 1812	2660	cmd.exe	rundll32.exe
PID 1812 wrote to memory of 2604	1812	rundll32.exe	AcroRd32.exe
PID 1812 wrote to memory of 2604	1812	rundll32.exe	AcroRd32.exe
PID 1812 wrote to memory of 2604	1812	rundll32.exe	AcroRd32.exe
PID 1812 wrote to memory of 2604	1812	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\af.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2660

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\af.pak
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1812

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

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
dd9c36589b88b3b39420ba1dbc14c10c

SHA1
cfbe0156e2cee7536013be912e78bb347555fff5

SHA256
b9f129ad0f3e393d32f653a5b41a63b2c96ecafb896a3de7951cfff456d513e3

SHA512
b6dfc4b6f629cdc46dc0586e6c31dfa5993bf71f40bafb8f318dd5599dc12e27ac52efec70a239c9fcf3d4306d0d2fb0acf2a4bf0b619d03048f5a0f42d4d4cb

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