dridex | 0d002228f1c316bbeb0df23eb1af59353764670a4573520b6756fe1b100e2447

Analysis

max time kernel
142s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
20-12-2023 15:51

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General

Target

de4088f932934d5fc134cf410136d81f.dll
Size

620KB
MD5

de4088f932934d5fc134cf410136d81f
SHA1

b03d3d4f2ac2752b58fb2b586dda240a647fb319
SHA256

0d002228f1c316bbeb0df23eb1af59353764670a4573520b6756fe1b100e2447
SHA512

6f2ca492c66f028e561e178c16ffaa7433b73284783ee40b107cb55586e65c7410d5c5336f718dc8b5d70e19c2c3f4788912eca32e006c6570ba476542d4e093
SSDEEP

12288:UE6rSiA4qbs3j09TMmonCh5atbz9+eoQoUZpDd7Da1nX9y1BO/zFZx:aeKn3j0dMZnCutz4zI5xDwXUbm

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 2252 rundll32.exe
5 2252 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	2252	rundll32.exe
5	2252	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 2448 wrote to memory of 2252	2448	rundll32.exe	rundll32.exe
PID 2448 wrote to memory of 2252	2448	rundll32.exe	rundll32.exe
PID 2448 wrote to memory of 2252	2448	rundll32.exe	rundll32.exe
PID 2448 wrote to memory of 2252	2448	rundll32.exe	rundll32.exe
PID 2448 wrote to memory of 2252	2448	rundll32.exe	rundll32.exe
PID 2448 wrote to memory of 2252	2448	rundll32.exe	rundll32.exe
PID 2448 wrote to memory of 2252	2448	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\de4088f932934d5fc134cf410136d81f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2448

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\de4088f932934d5fc134cf410136d81f.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2252

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2252-0-0x00000000008F0000-0x0000000000A29000-memory.dmp

Filesize
1.2MB

Download
memory/2252-2-0x00000000008F0000-0x0000000000A29000-memory.dmp

Filesize
1.2MB

Download
memory/2252-3-0x00000000008F0000-0x0000000000A29000-memory.dmp

Filesize
1.2MB

Download
memory/2252-5-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2252-6-0x00000000008F0000-0x0000000000A29000-memory.dmp

Filesize
1.2MB

Download
memory/2252-8-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download