dridex | 94d5b3d610ee219d7c02c07ff7c80a5059359fb16b49284f02749e34097dcb0a

Analysis

max time kernel
142s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19-12-2023 19:22

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General

Target

82d302afe9d2736961bb168f32041fee.dll
Size

620KB
MD5

82d302afe9d2736961bb168f32041fee
SHA1

0cb3ec7d2e47467ec0a0e493c54370e4887c9a07
SHA256

94d5b3d610ee219d7c02c07ff7c80a5059359fb16b49284f02749e34097dcb0a
SHA512

818a2d59cb42e2140cebd31c44b4ace31621091712c42eb404ed920cc84e91c2884e68409d9b4d2d1213d0d49cb3aad9503a5081ec8c6b42ee1f80af32cb2d30
SSDEEP

12288:pE6rSi44cbs3j09TMmonCh5atbz9+eoQoUZpDd7Da1nX9y1PO/zFZx:3emh3j0dMZnCutz4zI5xDwXUhm

Score

10^/10

dridex 10222 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10222

174.128.245.202:443

51.83.3.52:13786

69.64.50.41:6602

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 1248 rundll32.exe
5 1248 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	1248	rundll32.exe
5	1248	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 1212 wrote to memory of 1248	1212	rundll32.exe	rundll32.exe
PID 1212 wrote to memory of 1248	1212	rundll32.exe	rundll32.exe
PID 1212 wrote to memory of 1248	1212	rundll32.exe	rundll32.exe
PID 1212 wrote to memory of 1248	1212	rundll32.exe	rundll32.exe
PID 1212 wrote to memory of 1248	1212	rundll32.exe	rundll32.exe
PID 1212 wrote to memory of 1248	1212	rundll32.exe	rundll32.exe
PID 1212 wrote to memory of 1248	1212	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\82d302afe9d2736961bb168f32041fee.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\82d302afe9d2736961bb168f32041fee.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1248-0-0x0000000001FC0000-0x00000000020F9000-memory.dmp

Filesize
1.2MB

Download
memory/1248-2-0x0000000001FC0000-0x00000000020F9000-memory.dmp

Filesize
1.2MB

Download
memory/1248-4-0x0000000001FC0000-0x00000000020F9000-memory.dmp

Filesize
1.2MB

Download
memory/1248-6-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1248-7-0x0000000001FC0000-0x00000000020F9000-memory.dmp

Filesize
1.2MB

Download
memory/1248-9-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download