30091faafd62ea7ba9868db2ee575dab98fd126a78d39590f57ea7b38b20d966

Resubmissions

21-09-2024 02:25

240921-cwhvna1bmc 10

20-09-2024 21:59

240920-1wjzqa1amp 10

Analysis

max time kernel
359s
max time network
366s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-09-2024 02:25

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General

Target

chrome_200_percent.pak
Size

229KB
MD5

e02160c24b8077b36ff06dc05a9df057
SHA1

fc722e071ce9caf52ad9a463c90fc2319aa6c790
SHA256

4d5b51f720f7d3146e131c54a6f75e4e826c61b2ff15c8955f6d6dd15bedf106
SHA512

1bf873b89b571974537b685cdb739f8ed148f710f6f24f0f362f8b6bb605996fcfec1501411f2cb2df374d5fdaf6e2daaada8cea68051e3c10a67030ea25929e
SSDEEP

6144:gDQYaSN6svydrI8jDQUgx5GMRejnbdZnVE6YoppO4:NfSN6svydZ6edhVELoXO4

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_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
2668	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2668	AcroRd32.exe
2668	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2820	2648	cmd.exe	31
PID 2648 wrote to memory of 2820	2648	cmd.exe	31
PID 2648 wrote to memory of 2820	2648	cmd.exe	31
PID 2820 wrote to memory of 2668	2820	rundll32.exe	32
PID 2820 wrote to memory of 2668	2820	rundll32.exe	32
PID 2820 wrote to memory of 2668	2820	rundll32.exe	32
PID 2820 wrote to memory of 2668	2820	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\chrome_200_percent.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\chrome_200_percent.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2820
- - 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\chrome_200_percent.pak"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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
234a1c6f286befad0b6f6b0f21e551ef

SHA1
e898cd0cab02298e7d63f551cb2823e84cf7c22a

SHA256
838ac00f960c86ed9f119e1dd70765916d936442766ced52ccb69272f6eeddee

SHA512
dea758a1e18cf484c83891cc6f384b002cd6a96edf65741b1b55aed8270800237b9de82e1dc983dd0f955c1f3c1fd14546bf2e6b524f0c37d6cfa86f21354e6a

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