4d8daf45a5fcf7480739974e1d9ecac7370462f66196dd14b9a38020120dc202

Resubmissions

02/06/2024, 23:20

240602-3bvxlaag6v 7

02/06/2024, 23:16

240602-29dwasbg87 4

Analysis

max time kernel
120s
max time network
131s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
02/06/2024, 23:16

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General

Target

locales/af.pak
Size

381KB
MD5

b293cc5ea7db02649bd7d386b8fa0624
SHA1

32169b9d009b7a0fb7ecdaf650c989e956291772
SHA256

7bb75adef02d28819f1bd3b42fa46ed56d6dfbeae072341997b09b8c1f52d8dc
SHA512

496bc72e7b798d02e453eb96d20566b91405bab774521527ef882c1fcb58f25e2d0718013ddc0d23f7fad883f4cde93b57c6caaeba8cd18a09665c9f6245f557
SSDEEP

6144:qu8SyRtgbfbjR985DhdxQ+ICGSBsjA636Zi2Jynq4UtUKnpgmhqxox7sfxSC2C8l:Ry0zbjREda+ICTsjA636Zi2Jynq4UtBz

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\Local Settings	rundll32.exe
Key created	\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
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\	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
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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2900	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2900	AcroRd32.exe
2900	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 2720	2180	cmd.exe	29
PID 2180 wrote to memory of 2720	2180	cmd.exe	29
PID 2180 wrote to memory of 2720	2180	cmd.exe	29
PID 2720 wrote to memory of 2900	2720	rundll32.exe	30
PID 2720 wrote to memory of 2900	2720	rundll32.exe	30
PID 2720 wrote to memory of 2900	2720	rundll32.exe	30
PID 2720 wrote to memory of 2900	2720	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:2180
- 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:2720
- - 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:2900

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
dab90ae879375ea76e7cc08cfd7ad9c9

SHA1
3f58af7cb76dacfc1cdfd847bc80c89846086592

SHA256
e7e8fd79fc5a9f1d548170e5a0be76660721ee9ddb63fbf0cfdeb02a2167ced8

SHA512
e53b96d545e287c2bf6d9d4e797348f0a052911b200bc8b1e95386f1bdbd85e397fae14c7812f31c3b4c68c1a05b541c7c7a482bae5fd6e14d87eda61a1a145b

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