b1865a08154364f00bc4350a99012043bfca5b14734fb8ab505ade40dd6a0cc2

Analysis

max time kernel
120s
max time network
138s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08/07/2024, 03:07

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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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_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

pid	Process
2252	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2252	AcroRd32.exe
2252	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 2784	1968	cmd.exe	29
PID 1968 wrote to memory of 2784	1968	cmd.exe	29
PID 1968 wrote to memory of 2784	1968	cmd.exe	29
PID 2784 wrote to memory of 2252	2784	rundll32.exe	30
PID 2784 wrote to memory of 2252	2784	rundll32.exe	30
PID 2784 wrote to memory of 2252	2784	rundll32.exe	30
PID 2784 wrote to memory of 2252	2784	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\af.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:1968
- 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:2784
- - 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:2252

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
86419756c6e16914beff1c99ae33763b

SHA1
2f3d936819b32b54913d34ef006ac6f74c49852c

SHA256
86e457b3bce2825dcb8a1071c37302fb5bdf58b088d024e07785b0b0f99c9c1d

SHA512
2403167ea7a614ed35b7febbf28652888da7623bc0e08541ece1e04d3e8de3083b987b1869dba11b351765c7261491cb416989a802f8586e23f8b9496936e59c

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