dridex | d1fb509136dea5e9e8873e79a43cd6137d656d4067ac50cb046ecaca400675bb

General

Target

d1fb509136dea5e9e8873e79a43cd6137d656d4067ac50cb046ecaca400675bb.dll
Size

750KB
MD5

f54ad059f939dc7d66b0b70598147fca
SHA1

648e02d88db633e078dd08e69c31add8cf2db50d
SHA256

d1fb509136dea5e9e8873e79a43cd6137d656d4067ac50cb046ecaca400675bb
SHA512

7eb751b37e8142047f7bbaede822b67a46885e5d3d5cc66cd455c5c4de6dc01967fcd7e39f49285a0d62a929e9c2bf3e71815e7ba8720e13e481d3fd94e8fb0d

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

25 2332 rundll32.exe
26 2332 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
25	2332	rundll32.exe
26	2332	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 3540 wrote to memory of 2332	3540	rundll32.exe	rundll32.exe
PID 3540 wrote to memory of 2332	3540	rundll32.exe	rundll32.exe
PID 3540 wrote to memory of 2332	3540	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d1fb509136dea5e9e8873e79a43cd6137d656d4067ac50cb046ecaca400675bb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3540

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d1fb509136dea5e9e8873e79a43cd6137d656d4067ac50cb046ecaca400675bb.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2332

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/2332-115-0x0000000000000000-mapping.dmp

Download
memory/2332-116-0x0000000073EC0000-0x0000000073F89000-memory.dmp

Filesize
804KB

Download
memory/2332-118-0x0000000000CB0000-0x0000000000CB1000-memory.dmp

Filesize
4KB

Download
memory/2332-117-0x0000000073EC0000-0x0000000073EFD000-memory.dmp

Filesize
244KB

Download
memory/2332-119-0x0000000073EC0000-0x0000000073F89000-memory.dmp

Filesize
804KB

Download
memory/2332-121-0x0000000000DE0000-0x0000000000DE1000-memory.dmp

Filesize
4KB

Download
memory/2332-122-0x0000000000DE0000-0x0000000000DE1000-memory.dmp

Filesize
4KB

Download
memory/2332-123-0x0000000000DE0000-0x0000000000DE1000-memory.dmp

Filesize
4KB

Download

Analysis

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