a4bcf7b04d27ee71cf2e00488f98469ed8bec37171e80e54be60025a74645677

Analysis

max time kernel
150s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
07-09-2022 06:32

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General

Target

Release/pokeemerald.map
Size

4.0MB
MD5

5e5c0214cf7237af68f8b25b8bc107c9
SHA1

5f71b8bce30a48b80d1e739661d025d108f74fc9
SHA256

67210169c3eecd1bbd02d492dd37f41e3ad7baf70ad4385bdd5b0f1bec81e210
SHA512

38d7ac6da8a22569701b6256685d7877107e74c3435abe21f0a39eecbec084bdbaee9323a207df33c54dbdcbc0898a665c3be4cf38c519b0f7424712646f25ff
SSDEEP

49152:eqKfZoI7UumF+orWFi22OS3yzrOO0ODnetMPurgaG3hRkbYMpmXXJhy05sq39jEk:CX

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 10 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\map_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\map_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\map_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\map_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\.map	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\.map\ = "map_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\map_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\map_auto_file\shell\Read\command	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1172 AcroRd32.exe
1172 AcroRd32.exe
1172 AcroRd32.exe

pid	process
1172	AcroRd32.exe
1172	AcroRd32.exe
1172	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1976 wrote to memory of 1716	1976	cmd.exe	rundll32.exe
PID 1976 wrote to memory of 1716	1976	cmd.exe	rundll32.exe
PID 1976 wrote to memory of 1716	1976	cmd.exe	rundll32.exe
PID 1716 wrote to memory of 1172	1716	rundll32.exe	AcroRd32.exe
PID 1716 wrote to memory of 1172	1716	rundll32.exe	AcroRd32.exe
PID 1716 wrote to memory of 1172	1716	rundll32.exe	AcroRd32.exe
PID 1716 wrote to memory of 1172	1716	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Release\pokeemerald.map
1⤵
- Suspicious use of WriteProcessMemory
PID:1976

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Release\pokeemerald.map
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1716

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\Release\pokeemerald.map"
3⤵
- Suspicious use of SetWindowsHookEx
PID:1172

MITRE ATT&CK Enterprise v6

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

memory/1172-81-0x0000000000000000-mapping.dmp

Download
memory/1172-82-0x0000000074AB1000-0x0000000074AB3000-memory.dmp

Filesize
8KB

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memory/1716-76-0x0000000000000000-mapping.dmp

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memory/1976-54-0x000007FEFB6D1000-0x000007FEFB6D3000-memory.dmp

Filesize
8KB

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