0f931ef68b73d54c7badb15ce19ffe79a9ebb6489ecf86a808cd57b3874404d2

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11-06-2024 18:31

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General

Target

_locales/da/messages.json
Size

42KB
MD5

83d39c452b2b02dd1122a5bb83070585
SHA1

66066942fdb7c65c54494ca872475c69747d4dbf
SHA256

932cf6b02aa403785b5d7d69b6e4954e9161b4389133131a7e96dc15c355a2d1
SHA512

4f045b622166844ad0b670cf940a4181412deb35c152c7eadb3f60b4cc07e63bb281e3ef945fea91c4630efc7af611a26d17d21022d87f817a72af56357a5004
SSDEEP

384:unVNfMUodUTkPdMoU0aP6ro8By/1f+PDLrHFkDj++tW2mZE3VdLZwz/JN3FdSYM:gIUTSMot71bXZ2eeVxZYyYM

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.json	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\json_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2996 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2996 AcroRd32.exe
2996 AcroRd32.exe

pid	process
2996	AcroRd32.exe

pid	process
2996	AcroRd32.exe
2996	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2612 wrote to memory of 2576	2612	cmd.exe	rundll32.exe
PID 2612 wrote to memory of 2576	2612	cmd.exe	rundll32.exe
PID 2612 wrote to memory of 2576	2612	cmd.exe	rundll32.exe
PID 2576 wrote to memory of 2996	2576	rundll32.exe	AcroRd32.exe
PID 2576 wrote to memory of 2996	2576	rundll32.exe	AcroRd32.exe
PID 2576 wrote to memory of 2996	2576	rundll32.exe	AcroRd32.exe
PID 2576 wrote to memory of 2996	2576	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\_locales\da\messages.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2612

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\_locales\da\messages.json
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2576

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\_locales\da\messages.json"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
b1fe1f5a18e0d77b40bc7535bc1c644c

SHA1
116c1fc4d0a075d8fa3a7fba5a25a57b49bf607b

SHA256
e382fa8221b58c121d4943769fbe778904c6bc1c9c8331f351cb377adc99896e

SHA512
742830d54ad7b021c88ac958b011b45cb7df50cb6783403aa8ac325ba29035b321f605cc45cd46096951ca4956576bb1e2b9d17021d9e1e43b452513235502a4

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