dridex | c6ecd33754440fa1a9e2b17b490abd08797e16ac401c7951f0be769aafa2676e

General

Target

1eb73387ac037361edd79ab40724105b.dll
Size

750KB
MD5

1eb73387ac037361edd79ab40724105b
SHA1

5d116adae298d7a8e84f78c9c671b47358c9436d
SHA256

c6ecd33754440fa1a9e2b17b490abd08797e16ac401c7951f0be769aafa2676e
SHA512

90b7b8fafc8061574a4fd328da87f8372548e220420c59823745f97de8ecc68f1dcc5caeafd3ec5032c4258113088f412ada47868bedc5d60bd9b6921a029921

Score

10^/10

dridex 10555 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10555

C2

192.46.210.220:443

143.244.140.214:808

45.77.0.96:6891

185.56.219.47:8116

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

3 1700 rundll32.exe
6 1700 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
3	1700	rundll32.exe
6	1700	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 1664 wrote to memory of 1700	1664	rundll32.exe	rundll32.exe
PID 1664 wrote to memory of 1700	1664	rundll32.exe	rundll32.exe
PID 1664 wrote to memory of 1700	1664	rundll32.exe	rundll32.exe
PID 1664 wrote to memory of 1700	1664	rundll32.exe	rundll32.exe
PID 1664 wrote to memory of 1700	1664	rundll32.exe	rundll32.exe
PID 1664 wrote to memory of 1700	1664	rundll32.exe	rundll32.exe
PID 1664 wrote to memory of 1700	1664	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1eb73387ac037361edd79ab40724105b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1664

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1eb73387ac037361edd79ab40724105b.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1700

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/1700-55-0x0000000000000000-mapping.dmp

Download
memory/1700-56-0x00000000757E1000-0x00000000757E3000-memory.dmp

Filesize
8KB

Download
memory/1700-57-0x0000000074B30000-0x0000000074BF9000-memory.dmp

Filesize
804KB

Download
memory/1700-58-0x0000000074B30000-0x0000000074B6D000-memory.dmp

Filesize
244KB

Download
memory/1700-59-0x0000000074B30000-0x0000000074BF9000-memory.dmp

Filesize
804KB

Download
memory/1700-61-0x00000000000F0000-0x00000000000F1000-memory.dmp

Filesize
4KB

Download

Analysis

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