dridex | eae537de7f5de3a3f3eb0b5021c78cc2e951186bf8411d045eab1ac9c6cc62f8

General

Target

eae537de7f5de3a3f3eb0b5021c78cc2e951186bf8411d045eab1ac9c6cc62f8.dll
Size

1.1MB
MD5

e6b7ec0dd1cd7b8f7c08ec2d4d369d8d
SHA1

6da00a5ce8acc27e9fef642c932153dc8f152f6b
SHA256

eae537de7f5de3a3f3eb0b5021c78cc2e951186bf8411d045eab1ac9c6cc62f8
SHA512

4a44fb582fff394d0bc6039aa392fa7164d47f8e2720f3214f4258c048715fe7ef64b0d9f35eb9ca1e8e29ab4698d0a1b1ab621dcd96cf6d00830a93a80ae623

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 1268 created 60 1268 WerFault.exe rundll32.exe

description	pid	process	target process
PID 1268 created 60	1268	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/60-115-0x0000000073990000-0x00000000739CD000-memory.dmp	dridex_ldr
behavioral2/memory/60-116-0x0000000073990000-0x0000000073AB8000-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

1268 60 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
1268	60	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
1268	WerFault.exe
1268	WerFault.exe
1268	WerFault.exe
1268	WerFault.exe
1268	WerFault.exe
1268	WerFault.exe
1268	WerFault.exe
1268	WerFault.exe
1268	WerFault.exe
1268	WerFault.exe
1268	WerFault.exe
1268	WerFault.exe
1268	WerFault.exe
1268	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1268 WerFault.exe
Token: SeBackupPrivilege 1268 WerFault.exe
Token: SeDebugPrivilege 1268 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	1268	WerFault.exe
Token: SeBackupPrivilege	1268	WerFault.exe
Token: SeDebugPrivilege	1268	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3380 wrote to memory of 60	3380	rundll32.exe	rundll32.exe
PID 3380 wrote to memory of 60	3380	rundll32.exe	rundll32.exe
PID 3380 wrote to memory of 60	3380	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\eae537de7f5de3a3f3eb0b5021c78cc2e951186bf8411d045eab1ac9c6cc62f8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3380

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\eae537de7f5de3a3f3eb0b5021c78cc2e951186bf8411d045eab1ac9c6cc62f8.dll,#1
2⤵
- Checks whether UAC is enabled
PID:60

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 60 -s 844
3⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1268

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/60-114-0x0000000000000000-mapping.dmp

Download
memory/60-115-0x0000000073990000-0x00000000739CD000-memory.dmp

Filesize
244KB

Download
memory/60-116-0x0000000073990000-0x0000000073AB8000-memory.dmp

Filesize
1.2MB

Download
memory/60-179-0x0000000000A80000-0x0000000000A81000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads