dridex | 74ad37a67398f3d210d46a91e673abb509d8886b427203fd0ae7b43842829cf1

Analysis

max time kernel
25s
max time network
74s
platform
windows10_x64
resource
win10v20210408
submitted
25-06-2021 10:05

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General

Target

74ad37a67398f3d210d46a91e673abb509d8886b427203fd0ae7b43842829cf1.dll
Size

160KB
MD5

bb08c143f1c6b5c064f155b6eb8040cd
SHA1

06daa3d32c033e6e222e2428b61aea706c8c3640
SHA256

74ad37a67398f3d210d46a91e673abb509d8886b427203fd0ae7b43842829cf1
SHA512

b93b5916ef5d38dd63eff21d0868d9bf3c85c5c342f0429d8d4e8cdfae772a1758306a1493400c7f267a8e812f07bf6f9de02a5c8b3655ba9a9a7c9c236ed04f

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/1420-115-0x00000000744D0000-0x00000000744FE000-memory.dmp	dridex_ldr

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

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 628 wrote to memory of 1420	628	rundll32.exe	rundll32.exe
PID 628 wrote to memory of 1420	628	rundll32.exe	rundll32.exe
PID 628 wrote to memory of 1420	628	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\74ad37a67398f3d210d46a91e673abb509d8886b427203fd0ae7b43842829cf1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:628

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\74ad37a67398f3d210d46a91e673abb509d8886b427203fd0ae7b43842829cf1.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1420

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1420-114-0x0000000000000000-mapping.dmp

Download
memory/1420-115-0x00000000744D0000-0x00000000744FE000-memory.dmp

Filesize
184KB

Download
memory/1420-117-0x00000000030C0000-0x00000000030C6000-memory.dmp

Filesize
24KB

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