066af6eb6c8fbb5b95e3b08811d64c3421734ad4a7cabd5cdafd996f46a5014c

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
18/08/2024, 01:00

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General

Target

truxillic.ott
Size

544KB
MD5

603e6cf8a6c1d51c6e878b4b85c523d0
SHA1

92ab68890af48a05ebd97a8183200937a28148a0
SHA256

ce720be051da3526b1d6a4da7f7d497739e815f9282f0ff494dbac51e9799619
SHA512

a4353fcfa11fc5a6888fd4cfb1ac5db162f537b2eb6dd723314e08d29baa57f57e6f0da9165df546616639a19e1e57225b299c90ef83e14880752b1af15cf1d3
SSDEEP

768:gDJHeD3XW2OPnS3fMUrhooffNarZ2Ht6TYHitvcD8TRrfVuU9U/GWPIkV/kysy3c:tjET8sUa

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
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\ott_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\.ott	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\ott_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\ott_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\.ott\ = "ott_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\ott_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\ott_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\ott_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2740	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2740	AcroRd32.exe
2740	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 1192	2368	cmd.exe	31
PID 2368 wrote to memory of 1192	2368	cmd.exe	31
PID 2368 wrote to memory of 1192	2368	cmd.exe	31
PID 1192 wrote to memory of 2740	1192	rundll32.exe	32
PID 1192 wrote to memory of 2740	1192	rundll32.exe	32
PID 1192 wrote to memory of 2740	1192	rundll32.exe	32
PID 1192 wrote to memory of 2740	1192	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\truxillic.ott
1⤵
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\truxillic.ott
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1192
- - 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\truxillic.ott"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2740

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
8e16a72a58ec5555b2ba125121205ccd

SHA1
5b09f3756c3d5d78f0acd08e1a096a511f2d1cd7

SHA256
bd104643bcf1229d230dfb9b0f7cfc7a2b6b354092e869107757db0714e3fdb6

SHA512
04b1cd04d3f8619fe1bb3fff02c7c21a3a1e451857cb62c80425869a76019a328e1d5a4f48bc71ec5b61a9e29604dafbe424dffc5abcef36fb2363d3b3af0efb

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