030d09dedac5766992fc2f7f183e145f0d9a53b551c4f115265996a69644978d

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
11-09-2024 06:32

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General

Target

blob/{5b9c4641-a20a-4d79-aa7f-771e65a63e3d}.blob
Size

191KB
MD5

22bbef13012e0bf0a4debc65eccf3bab
SHA1

d78134e246a424b16e8f3f5a31942d1f97fae51b
SHA256

08207d55d59c69fb86635018f6a46af03fa2cbab56a031eda0d8ddb418cc4026
SHA512

3359ca10119af5527cd133ad9bfdd11eee36df9dd81bb61b5a4359cf713b601a3388b0f015cd2f70e4637d0931e6d4fefbdf74b6762cd015ea31beb8694c6d20
SSDEEP

3072:Rz5W1hZBET7TebmUyLkbTgH9zJXv1i6zNIghReuuBmCY+bFQHzBh23:P7XeQ60z1tLIeRymCtFIzO3

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\blob_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\blob_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\blob_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\blob_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\blob_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.blob	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.blob\ = "blob_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\blob_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
2804	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2804	AcroRd32.exe
2804	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2684	2084	cmd.exe	31
PID 2084 wrote to memory of 2684	2084	cmd.exe	31
PID 2084 wrote to memory of 2684	2084	cmd.exe	31
PID 2684 wrote to memory of 2804	2684	rundll32.exe	33
PID 2684 wrote to memory of 2804	2684	rundll32.exe	33
PID 2684 wrote to memory of 2804	2684	rundll32.exe	33
PID 2684 wrote to memory of 2804	2684	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\blob\{5b9c4641-a20a-4d79-aa7f-771e65a63e3d}.blob
1⤵
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\blob\{5b9c4641-a20a-4d79-aa7f-771e65a63e3d}.blob
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2684
- - 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\blob\{5b9c4641-a20a-4d79-aa7f-771e65a63e3d}.blob"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2804

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
6c42148edf2e38227834ab0fece715ae

SHA1
19a7dc4221e747873a4c526a14d164b54770ef81

SHA256
e659c1564fbb60d1d125885105413b79199fffcaa2079a927ef0037b35adb71b

SHA512
ab5388a2fd22a85340f3b33ed702bb4a7e98f7ddfd2cb89001d2b80680f50d3156dd843ae48c4d321daa2b0f9909eb64a93eedf834c685befe000f6fe7fb2cf7

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