dridex | 93682fbcbad72ebeba0fef3c5e615e2876ff6195acedd93669ba4e730c5fcac9

Analysis

max time kernel
20s
max time network
129s
platform
windows10_x64
resource
win10v20201028
submitted
04-03-2021 04:07

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General

Target

93682fbcbad72ebeba0fef3c5e615e2876ff6195acedd93669ba4e730c5fcac9.dll
Size

196KB
MD5

0a78802193ff3bdb8fdbd39ac5b21592
SHA1

f1ae4652daca1d4557bf1b44c0d3b2d06d95e525
SHA256

93682fbcbad72ebeba0fef3c5e615e2876ff6195acedd93669ba4e730c5fcac9
SHA512

c8ef6883352d274e6f35115f4421f14caab59a00de43770736c54c7745c170b174742987acac42e842ae92cb8d4fc591791d1dd96d2e1dee85b1d6257d26ae62

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

37.247.35.132:443

50.243.30.51:6601

162.241.204.234:6516

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
behavioral2/memory/1432-3-0x00000000738B0000-0x00000000738E3000-memory.dmp	dridex_ldr
behavioral2/memory/1432-5-0x00000000738B0000-0x00000000738CF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

13 1432 rundll32.exe
15 1432 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
13	1432	rundll32.exe
15	1432	rundll32.exe

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1144 wrote to memory of 1432	1144	rundll32.exe	rundll32.exe
PID 1144 wrote to memory of 1432	1144	rundll32.exe	rundll32.exe
PID 1144 wrote to memory of 1432	1144	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\93682fbcbad72ebeba0fef3c5e615e2876ff6195acedd93669ba4e730c5fcac9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1144

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\93682fbcbad72ebeba0fef3c5e615e2876ff6195acedd93669ba4e730c5fcac9.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1432

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1432-2-0x0000000000000000-mapping.dmp

Download
memory/1432-3-0x00000000738B0000-0x00000000738E3000-memory.dmp

Filesize
204KB

Download
memory/1432-4-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1432-5-0x00000000738B0000-0x00000000738CF000-memory.dmp

Filesize
124KB

Download