48602a57904e3125fb42f5f7c3de1542735aed83562cdfe613fa394d788e32bc

Analysis

max time kernel
121s
max time network
131s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
04-06-2024 23:23

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General

Target

locales/ta.pak
Size

1019KB
MD5

a8beab6896018a6d37f9b2e5bdd7a78c
SHA1

64310684247219a14ac3ac3b4c8ebaa602c5f03a
SHA256

c68b708ba61b3eeab5ae81d9d85d6e9f92e416ecfae92e8de9965608732384df
SHA512

73b0a31235bf4b7c5ad673f08717f3b4f03bcdf2a91440ee7228aa78c2d15dd2aed32498e23ded78ec35bc731dbe16b6a1c236a170f2a84123a464857686c7b5
SSDEEP

6144:LXNxfybLQ4iFd2n1E+1lhfi5yzntRMcA2i:rffyblEd21Z13i5yzMcA2i

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-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pak_auto_file\shell\Read\command	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\Local Settings	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
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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2752	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2752	AcroRd32.exe
2752	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 2732	2920	cmd.exe	29
PID 2920 wrote to memory of 2732	2920	cmd.exe	29
PID 2920 wrote to memory of 2732	2920	cmd.exe	29
PID 2732 wrote to memory of 2752	2732	rundll32.exe	30
PID 2732 wrote to memory of 2752	2732	rundll32.exe	30
PID 2732 wrote to memory of 2752	2732	rundll32.exe	30
PID 2732 wrote to memory of 2752	2732	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\ta.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2920
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\ta.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2732
- - 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\ta.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2752

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

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Downloads

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

Filesize
3KB

MD5
bb9dbedf4f6c704e35971299b2381ba7

SHA1
c886ba6c87d4f32dee0a78e789cc603dfa380dee

SHA256
c98c4448dfdde311bb418e009ae35fba839d09bb669eff9f1e3bb809b6fcc336

SHA512
00b32adf6678795cdbf418ff2880516ae5a743d461ab8ea14b2ef6cb7dbc966e4acf622480b203e6b49868eef2717fff17353a575735ff51ac9b7d3c04557859

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