83ba4e290da54c23797a42fb6d97b9381a067134c8a19267071182ab8595473d

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
11/09/2024, 21:15

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General

Target

arbejdskapacitet.dds
Size

235KB
MD5

a1a66617ef9a171f94198d7fc3063307
SHA1

857e2f61dc7c23b270616e47249888badc289c24
SHA256

d6a845df1d50fa2292bd3bd5a7c3ba6ffa2c065946c497125c5b954b82732137
SHA512

9614f703a055d539772a3b3e3ccaeb5a371a16b696e4ee5d0e17e3fbd1c75158934c3488d99dd3aee0fb89058f24694c99f875168cfc5f61f67df154fdbcb10b
SSDEEP

768:sxtcPAHD55RmbaKl5o0H4LGwNyTmhd90Tt93+n0jQ6rktUBN60ho8DV07Qu9rVja:sb1clwdhkTv3+DY60ZGQkj6yce+

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-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\dds_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\dds_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\dds_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\dds_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\dds_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\dds_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.dds	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.dds\ = "dds_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2708	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2708	AcroRd32.exe
2708	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 2128	3024	cmd.exe	32
PID 3024 wrote to memory of 2128	3024	cmd.exe	32
PID 3024 wrote to memory of 2128	3024	cmd.exe	32
PID 2128 wrote to memory of 2708	2128	rundll32.exe	33
PID 2128 wrote to memory of 2708	2128	rundll32.exe	33
PID 2128 wrote to memory of 2708	2128	rundll32.exe	33
PID 2128 wrote to memory of 2708	2128	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\arbejdskapacitet.dds
1⤵
- Suspicious use of WriteProcessMemory
PID:3024
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\arbejdskapacitet.dds
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2128
- - 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\arbejdskapacitet.dds"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2708

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
da0576e2aa297033b250c8df42b64964

SHA1
9b50941c797fe3d9c97f72eda4adbf1fbb631b5c

SHA256
53cca663a583300a5bcaa7c7e463ba814ca3e9f40766e74d2ba8b155fa3e8cd2

SHA512
f78a156c2f38acc39798408a8a9053ffdb5b082622583560998f15d339e068ffbcb8071fd64cb1a3e543abb660bb76cda367409b71968fdc507d12284655e73e

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