2e24c7889e6bc13fefd05187bd3f17edd2beb8aa26564cae5b7f002fa311aa06

Analysis

max time kernel
129s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
02-02-2024 00:30

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General

Target

overrides/config/biomesoplenty/client.toml
Size

115B
MD5

5606d64f4f6e3d2d43b6ca68df7ae680
SHA1

3c9a9ed0e0b344e132737bffa869731b06afc123
SHA256

38fd5adb6d3817a74f41e21fd859b266f0d9a2ada8a3d7058b49b1cd5af82598
SHA512

81088bd2baab2033eb4a1c0a13dd9e033be116dc0c1519384c51b3621547019d5160c5abdd33d281e1f439b7c41a7bb50ea28dffcf77bd92fdfb1f721457490e

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-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\toml_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\toml_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\toml_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\.toml\ = "toml_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\toml_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\.toml	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\toml_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000_CLASSES\toml_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2704 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2704 AcroRd32.exe
2704 AcroRd32.exe

pid	process
2704	AcroRd32.exe

pid	process
2704	AcroRd32.exe
2704	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2320 wrote to memory of 2060	2320	cmd.exe	rundll32.exe
PID 2320 wrote to memory of 2060	2320	cmd.exe	rundll32.exe
PID 2320 wrote to memory of 2060	2320	cmd.exe	rundll32.exe
PID 2060 wrote to memory of 2704	2060	rundll32.exe	AcroRd32.exe
PID 2060 wrote to memory of 2704	2060	rundll32.exe	AcroRd32.exe
PID 2060 wrote to memory of 2704	2060	rundll32.exe	AcroRd32.exe
PID 2060 wrote to memory of 2704	2060	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\overrides\config\biomesoplenty\client.toml
1⤵
- Suspicious use of WriteProcessMemory
PID:2320

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\overrides\config\biomesoplenty\client.toml
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2060

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\overrides\config\biomesoplenty\client.toml"
3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2704

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

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

MD5
a5fbf9febeac2cbc273ca6cddc54483b

SHA1
3b5a946153b912c3efe1e400f8eeadcc5f493ec8

SHA256
c57e614594dabfae0561519e3c4fe5a19d8791099f5d5e832d3d935590f6fbe0

SHA512
d19a3cdd973192000c8f007381165624dde636823feb25eda311e096ed1b18a2515a7ea3155f17455c1fffbcd9d72cec4875cfa2da96f916f921aee0932e6981

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