dridex | 305aec94220c1ab1b0458e3591f9c05a2bcd0029a9699db8749d8c3bcf5abc36

General

Target

3073c856f235a29bc9be154bdeb38bbc.dll
Size

750KB
MD5

3073c856f235a29bc9be154bdeb38bbc
SHA1

dc4d96a2f5387622a8d8f944fa9fe4377285e00a
SHA256

305aec94220c1ab1b0458e3591f9c05a2bcd0029a9699db8749d8c3bcf5abc36
SHA512

e2012f6feb2e08370ba2b9ea699ce7fa3a0a07bf4c912d7a6a32a30a54c709426e43806a77a9fc342050bd6c5eced2e71c8d203c9bbcedd1758b5cbe48697c15

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

24 3792 rundll32.exe
25 3792 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
24	3792	rundll32.exe
25	3792	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 3460 wrote to memory of 3792	3460	rundll32.exe	rundll32.exe
PID 3460 wrote to memory of 3792	3460	rundll32.exe	rundll32.exe
PID 3460 wrote to memory of 3792	3460	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3073c856f235a29bc9be154bdeb38bbc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3460

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3073c856f235a29bc9be154bdeb38bbc.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:3792

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/3792-115-0x0000000000000000-mapping.dmp

Download
memory/3792-116-0x0000000074450000-0x0000000074519000-memory.dmp

Filesize
804KB

Download
memory/3792-118-0x0000000074450000-0x0000000074519000-memory.dmp

Filesize
804KB

Download
memory/3792-117-0x0000000074450000-0x000000007448D000-memory.dmp

Filesize
244KB

Download
memory/3792-120-0x0000000003360000-0x0000000003361000-memory.dmp

Filesize
4KB

Download
memory/3792-121-0x0000000003360000-0x0000000003361000-memory.dmp

Filesize
4KB

Download
memory/3792-122-0x0000000003360000-0x0000000003361000-memory.dmp

Filesize
4KB

Download
memory/3792-354-0x0000000002DF0000-0x0000000002DF1000-memory.dmp

Filesize
4KB

Download

Analysis

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