dridex | 45b2e2756067823fa368a662b7b8fad6e5b99a558ce1694a534bd38e1ef4287d

Analysis

max time kernel
58s
max time network
117s
platform
windows7_x64
resource
win7v20201028
submitted
09-11-2020 19:25

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General

Target

2e94ba2da1286e2b93005d46ee5fb6d7.dll
Size

1.2MB
MD5

2e94ba2da1286e2b93005d46ee5fb6d7
SHA1

8710ce4951df08ab490669229a1b0416494fe147
SHA256

45b2e2756067823fa368a662b7b8fad6e5b99a558ce1694a534bd38e1ef4287d
SHA512

b081e3748fb92d1905ec4baf8b01b5d0841780a9afe6ba7d64e0bf2ae88049ef877a478f423b9ec828c71f66fb0e1ed2901644db7ac3480246145411a02328ed

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

94.126.8.2:443

37.187.161.206:33443

209.59.199.129:4443

157.245.130.146:3786

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/2016-1-0x00000000743A0000-0x00000000743DD000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

4 2016 rundll32.exe
7 2016 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
4	2016	rundll32.exe
7	2016	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 1664 wrote to memory of 2016	1664	rundll32.exe	rundll32.exe
PID 1664 wrote to memory of 2016	1664	rundll32.exe	rundll32.exe
PID 1664 wrote to memory of 2016	1664	rundll32.exe	rundll32.exe
PID 1664 wrote to memory of 2016	1664	rundll32.exe	rundll32.exe
PID 1664 wrote to memory of 2016	1664	rundll32.exe	rundll32.exe
PID 1664 wrote to memory of 2016	1664	rundll32.exe	rundll32.exe
PID 1664 wrote to memory of 2016	1664	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2e94ba2da1286e2b93005d46ee5fb6d7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1664

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2e94ba2da1286e2b93005d46ee5fb6d7.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2016

Network

MITRE ATT&CK Matrix ATT&CK v6

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

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Downloads

memory/1636-2-0x000007FEF6F80000-0x000007FEF71FA000-memory.dmp

Filesize
2.5MB

Download
memory/2016-0-0x0000000000000000-mapping.dmp

Download
memory/2016-1-0x00000000743A0000-0x00000000743DD000-memory.dmp

Filesize
244KB

Download