c79ac8a613c7a25793b2a0167d48a6a5e8e7c811ccdaf01d0a47efc7dff99dbd

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
15-08-2024 09:26

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General

Target

.rdata
Size

7KB
MD5

c15aa553db9a4966096910f155c0cb03
SHA1

d878b158a08acd424e2d9aec90e206f08c1e72a8
SHA256

5d9abcefc38a9cacdf88d466fccf68040f4a8aef5bac04988b23eab1877304ea
SHA512

d6ae643cf73637947a43f5cdff3b798f001a684c014acce155e0e332c26c68fcead6b4e67b7acb4b542a56a6c2784ff9930c2076ac8f3a5263002595b6e670d5
SSDEEP

192:gtlg8q/6gE+tlbr6okz1hDAWSGiRuCDW94Ny:M+Pi/Opr6jzLbSPS9yy

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

Processes:

AcroRd32.exe

description ioc process

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

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

Modifies registry class 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\rdata_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\rdata_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\.rdata	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\rdata_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\rdata_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\rdata_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\.rdata\ = "rdata_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\rdata_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2836 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2836 AcroRd32.exe
2836 AcroRd32.exe

pid	process
2836	AcroRd32.exe

pid	process
2836	AcroRd32.exe
2836	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2180 wrote to memory of 2660	2180	cmd.exe	rundll32.exe
PID 2180 wrote to memory of 2660	2180	cmd.exe	rundll32.exe
PID 2180 wrote to memory of 2660	2180	cmd.exe	rundll32.exe
PID 2660 wrote to memory of 2836	2660	rundll32.exe	AcroRd32.exe
PID 2660 wrote to memory of 2836	2660	rundll32.exe	AcroRd32.exe
PID 2660 wrote to memory of 2836	2660	rundll32.exe	AcroRd32.exe
PID 2660 wrote to memory of 2836	2660	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\.rdata
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\.rdata
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2660

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\.rdata"
3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2836

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Filesize
3KB

MD5
54d87dec7423f5ee072e5a10748839f1

SHA1
c030fae87e1cba51131bb56ff22d1df316332c5a

SHA256
5efa825b38bf8efc1cded0c8fa9511273333523b8170694027dfb4cbc5266f86

SHA512
d95ae91feea8f35e8d6d046616f8318ea4103e63938fc613a84c39473bbe8d33d54b8e5ce0e66d36cc3299d57041d425a665fe3c518208210350c0a4c8a1ac7c

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