dridex | b9e9d78e391f35d3c176d3a64121e3719cb28b8c39a29c1df1dfb098b40e7205

Analysis

max time kernel
35s
max time network
43s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 21:20

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General

Target

b9e9d78e391f35d3c176d3a64121e3719cb28b8c39a29c1df1dfb098b40e7205.dll
Size

162KB
MD5

313712d20987b3745936e15635a94219
SHA1

c5172abba33faa8cf79733c53dd0211ccf8fd8d6
SHA256

b9e9d78e391f35d3c176d3a64121e3719cb28b8c39a29c1df1dfb098b40e7205
SHA512

a3b67a19e491af2e27f4f5354ede36726c31c3bae7c53fc5f0dbd0c025b881d71f410f21da4ba71db8ec5a801f9fc802185b0d30a96f03c50203c4673665f077

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/1368-115-0x0000000073550000-0x000000007357E000-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 852 wrote to memory of 1368	852	rundll32.exe	rundll32.exe
PID 852 wrote to memory of 1368	852	rundll32.exe	rundll32.exe
PID 852 wrote to memory of 1368	852	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9e9d78e391f35d3c176d3a64121e3719cb28b8c39a29c1df1dfb098b40e7205.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:852

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9e9d78e391f35d3c176d3a64121e3719cb28b8c39a29c1df1dfb098b40e7205.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1368

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1368-114-0x0000000000000000-mapping.dmp

Download
memory/1368-115-0x0000000073550000-0x000000007357E000-memory.dmp

Filesize
184KB

Download
memory/1368-117-0x0000000000C30000-0x0000000000C36000-memory.dmp

Filesize
24KB

Download