dridex | 5be952074f44f6df023c8ac6ee8f75be682b78674e0191ccfb9567e8ba56b586

General

Target

5be952074f44f6df023c8ac6ee8f75be682b78674e0191ccfb9567e8ba56b586.dll
Size

188KB
MD5

02cd5903f5121ad288b4c9aa8b6b63a3
SHA1

e7090e0790696723ae5911322cccf6091a9e6142
SHA256

5be952074f44f6df023c8ac6ee8f75be682b78674e0191ccfb9567e8ba56b586
SHA512

5a84c7a280d94b98f0f23905f5aa54ea273bb0b2097678403acd7e9621b2d92c3420a78e030a14f897de3b28c52fd86ebc8a6eb48e850bd88a05f7af2f810585

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

C2

209.151.236.42:443

91.121.94.86:8172

5.189.144.136:6516

rc4.plain

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1640-5-0x0000000075340000-0x0000000075371000-memory.dmp	dridex_ldr
behavioral1/memory/1640-7-0x0000000075340000-0x000000007535F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

4 1640 rundll32.exe
7 1640 rundll32.exe
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

flow	pid	process
4	1640	rundll32.exe
7	1640	rundll32.exe

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

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1684 wrote to memory of 1640	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1640	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1640	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1640	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1640	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1640	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1640	1684	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5be952074f44f6df023c8ac6ee8f75be682b78674e0191ccfb9567e8ba56b586.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1684

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5be952074f44f6df023c8ac6ee8f75be682b78674e0191ccfb9567e8ba56b586.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1640

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

Replay Monitor

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Downloads

memory/1356-8-0x000007FEF68D0000-0x000007FEF6B4A000-memory.dmp

Filesize
2.5MB

Download
memory/1640-2-0x0000000000000000-mapping.dmp

Download
memory/1640-3-0x00000000756A1000-0x00000000756A3000-memory.dmp

Filesize
8KB

Download
memory/1640-4-0x0000000074FD0000-0x0000000075173000-memory.dmp

Filesize
1.6MB

Download
memory/1640-5-0x0000000075340000-0x0000000075371000-memory.dmp

Filesize
196KB

Download
memory/1640-6-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1640-7-0x0000000075340000-0x000000007535F000-memory.dmp

Filesize
124KB

Download

Analysis

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