dridex | e07ae56f0cb20f2bc6a9a5dab953bd97e4a4c2047d784dab106d3fd3eb535b3c

General

Target

8ba232fa928c7e69201f47f0cf216001.dll
Size

750KB
MD5

8ba232fa928c7e69201f47f0cf216001
SHA1

cb1e795ba0578f99cc7172034c52daa77cf8684e
SHA256

e07ae56f0cb20f2bc6a9a5dab953bd97e4a4c2047d784dab106d3fd3eb535b3c
SHA512

f7ce37d1b7bdab7deeab730107dfa0e05e132648cd51c415c9baecf52af35d78316f1a0a35550f9b0cc7d5dbc70b97028201665771d12592e6b8593b817b9dd8

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

3 672 rundll32.exe
6 672 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	672	rundll32.exe
6	672	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 520 wrote to memory of 672	520	rundll32.exe	rundll32.exe
PID 520 wrote to memory of 672	520	rundll32.exe	rundll32.exe
PID 520 wrote to memory of 672	520	rundll32.exe	rundll32.exe
PID 520 wrote to memory of 672	520	rundll32.exe	rundll32.exe
PID 520 wrote to memory of 672	520	rundll32.exe	rundll32.exe
PID 520 wrote to memory of 672	520	rundll32.exe	rundll32.exe
PID 520 wrote to memory of 672	520	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ba232fa928c7e69201f47f0cf216001.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:520

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8ba232fa928c7e69201f47f0cf216001.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:672

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/672-54-0x0000000000000000-mapping.dmp

Download
memory/672-55-0x0000000075FC1000-0x0000000075FC3000-memory.dmp

Filesize
8KB

Download
memory/672-56-0x0000000074E30000-0x0000000074EF9000-memory.dmp

Filesize
804KB

Download
memory/672-57-0x0000000074E30000-0x0000000074E6D000-memory.dmp

Filesize
244KB

Download
memory/672-58-0x0000000074E30000-0x0000000074EF9000-memory.dmp

Filesize
804KB

Download
memory/672-60-0x00000000000B0000-0x00000000000B1000-memory.dmp

Filesize
4KB

Download

Analysis

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