gootkit | ff575a3ae768fff422e4945ba5eae5fd779566ac9c708ff52c40280a0b9b26b0

General

Target

b64n.txt.exe
Size

257KB
MD5

f49074ddc37710861d7832476ba23e6c
SHA1

fa898edbd183fe50c582e4dd278aff0735c3c5ff
SHA256

ff575a3ae768fff422e4945ba5eae5fd779566ac9c708ff52c40280a0b9b26b0
SHA512

b3d648060115b236530c9cac5520b7f9e265b17c7a8fc108596fde6c207a1026e2c2da4aa68fa9efe28b69cc449864a8992c17a3eb94f25cc031564a483d68bb

Score

10^/10

gootkit 777 banker botnet trojan

Malware Config

Extracted

Family

gootkit

Botnet

777

C2

madregobilsg.com

kerymarynicegross.com

pillygreamstronh.com

charnchiumbong.com

kiwimujirahdron.com

Attributes

vendor_id
777

Signatures

Gootkit
Gootkit is a banking trojan, where large parts are written in node.JS.
trojan banker botnet gootkit

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

b64n.txt.exeb64n.txt.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	b64n.txt.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	b64n.txt.exe

Modifies Internet Explorer Protected Mode 1 TTPs 5 IoCs

Modify Registry

T1112

Processes:

b64n.txt.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\2500 = "3"	b64n.txt.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3"	b64n.txt.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3"	b64n.txt.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	b64n.txt.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3"	b64n.txt.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

b64n.txt.exe

pid	process
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe
664	b64n.txt.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

b64n.txt.exe

description	pid	process	target process
PID 664 wrote to memory of 376	664	b64n.txt.exe	b64n.txt.exe
PID 664 wrote to memory of 376	664	b64n.txt.exe	b64n.txt.exe
PID 664 wrote to memory of 376	664	b64n.txt.exe	b64n.txt.exe

C:\Users\Admin\AppData\Local\Temp\b64n.txt.exe
"C:\Users\Admin\AppData\Local\Temp\b64n.txt.exe"
1⤵
- Checks BIOS information in registry
- Modifies Internet Explorer Protected Mode
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:664
- C:\Users\Admin\AppData\Local\Temp\b64n.txt.exe
  C:\Users\Admin\AppData\Local\Temp\b64n.txt.exe --vwxyz
  2⤵
  - Checks BIOS information in registry
  PID:376

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/376-114-0x0000000000000000-mapping.dmp

Download
memory/376-117-0x00000000005B0000-0x00000000005B2000-memory.dmp

Filesize
8KB

Download
memory/376-118-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/664-115-0x00000000004B0000-0x000000000055E000-memory.dmp

Filesize
696KB

Download
memory/664-116-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads