dridex | 9f6f247a6eb4626ec657c75b37cf4887283f988f1a64e914f6447437cbbc4ba4

General

Target

9f6f247a6eb4626ec657c75b37cf4887283f988f1a64e914f6447437cbbc4ba4.dll
Size

1.1MB
MD5

9d6228117a677fcc222206166e0cf34e
SHA1

56e1cddea321ebbba17af9d64cdffcf443704a51
SHA256

9f6f247a6eb4626ec657c75b37cf4887283f988f1a64e914f6447437cbbc4ba4
SHA512

f98b1da574267a66ce7c890b6b53af0479f5aeeba0fa37515eeecb609723e062bd1722eada0f9a8f6c52b924fd8a6ea1c940cfab07debdb4e31ca88964a76452

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

C2

146.185.170.249:443

62.75.251.60:6601

185.148.168.25:2303

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 3408 created 1096 3408 WerFault.exe rundll32.exe

description	pid	process	target process
PID 3408 created 1096	3408	WerFault.exe	rundll32.exe

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/1096-116-0x0000000074250000-0x0000000074378000-memory.dmp	dridex_ldr
behavioral2/memory/1096-115-0x0000000074250000-0x000000007428D000-memory.dmp	dridex_ldr

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3408 1096 WerFault.exe rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

pid	pid_target	process	target process
3408	1096	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
3408	WerFault.exe
3408	WerFault.exe
3408	WerFault.exe
3408	WerFault.exe
3408	WerFault.exe
3408	WerFault.exe
3408	WerFault.exe
3408	WerFault.exe
3408	WerFault.exe
3408	WerFault.exe
3408	WerFault.exe
3408	WerFault.exe
3408	WerFault.exe
3408	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 3408 WerFault.exe
Token: SeBackupPrivilege 3408 WerFault.exe
Token: SeDebugPrivilege 3408 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	3408	WerFault.exe
Token: SeBackupPrivilege	3408	WerFault.exe
Token: SeDebugPrivilege	3408	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 736 wrote to memory of 1096	736	rundll32.exe	rundll32.exe
PID 736 wrote to memory of 1096	736	rundll32.exe	rundll32.exe
PID 736 wrote to memory of 1096	736	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9f6f247a6eb4626ec657c75b37cf4887283f988f1a64e914f6447437cbbc4ba4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:736

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9f6f247a6eb4626ec657c75b37cf4887283f988f1a64e914f6447437cbbc4ba4.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 848
3⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3408

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

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Downloads

memory/1096-114-0x0000000000000000-mapping.dmp

Download
memory/1096-116-0x0000000074250000-0x0000000074378000-memory.dmp

Filesize
1.2MB

Download
memory/1096-115-0x0000000074250000-0x000000007428D000-memory.dmp

Filesize
244KB

Download
memory/1096-179-0x0000000000410000-0x00000000004BE000-memory.dmp

Filesize
696KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads