2ebaeeec8d4f6b267d466e1ea0cbcd3e356f422c76f063c26d56131f951d5723

General

Target

RRCG61.zip
Size

319KB
MD5

353410090167036754a9f6bd372a8909
SHA1

56bfe14cf94a47d31d52f954822b42d9f8c1a955
SHA256

2ebaeeec8d4f6b267d466e1ea0cbcd3e356f422c76f063c26d56131f951d5723
SHA512

118412975687e005dc3eb92764357cb81ef02dc5864d84a57a0b129c2cc3269da1d4d3b3ac3af2a022f03da888b04254e024d5af55d620643ae263477eacd300
SSDEEP

6144:195jJ6PcEjEOyYW/FcPyY/Z7acNXcTlhMCCZp0HnPZRXD7jwKixNSCCqpiQ8C7P:13AItP/FnY/hLMrMCCZp4nRdD7j7i6K1

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

firefox.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision	firefox.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

firefox.exe

pid process

4264 firefox.exe
4264 firefox.exe
4264 firefox.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

firefox.exe

pid process

4264 firefox.exe
4264 firefox.exe
4264 firefox.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

firefox.exe

pid process

4264 firefox.exe

pid	process
4264	firefox.exe
4264	firefox.exe
4264	firefox.exe

pid	process
4264	firefox.exe
4264	firefox.exe
4264	firefox.exe

pid	process
4264	firefox.exe

Suspicious use of WriteProcessMemory 54 IoCs

Processes:

firefox.exefirefox.exe

description	pid	process	target process
PID 1992 wrote to memory of 4264	1992	firefox.exe	firefox.exe
PID 1992 wrote to memory of 4264	1992	firefox.exe	firefox.exe
PID 1992 wrote to memory of 4264	1992	firefox.exe	firefox.exe
PID 1992 wrote to memory of 4264	1992	firefox.exe	firefox.exe
PID 1992 wrote to memory of 4264	1992	firefox.exe	firefox.exe
PID 1992 wrote to memory of 4264	1992	firefox.exe	firefox.exe
PID 1992 wrote to memory of 4264	1992	firefox.exe	firefox.exe
PID 1992 wrote to memory of 4264	1992	firefox.exe	firefox.exe
PID 1992 wrote to memory of 4264	1992	firefox.exe	firefox.exe
PID 4264 wrote to memory of 3364	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 3364	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe
PID 4264 wrote to memory of 4748	4264	firefox.exe	firefox.exe

C:\Windows\Explorer.exe
C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\RRCG61.zip
1⤵
PID:3940

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4012

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1992

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe"
2⤵
- Checks processor information in registry
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4264

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4264.0.427745738\679046051" -parentBuildID 20200403170909 -prefsHandle 1552 -prefMapHandle 1544 -prefsLen 1 -prefMapSize 220115 -appdir "C:\Program Files\Mozilla Firefox\browser" - 4264 "\\.\pipe\gecko-crash-server-pipe.4264" 1176 gpu
3⤵
PID:3364

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4264.3.748826249\194508440" -childID 1 -isForBrowser -prefsHandle 2184 -prefMapHandle 2180 -prefsLen 156 -prefMapSize 220115 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 4264 "\\.\pipe\gecko-crash-server-pipe.4264" 2196 tab
3⤵
PID:4748

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads