dridex | f6b7d211295b874d7b8cb1512ca3cde41ce6a08d76f083f12ec1e13a21aeceb3

Analysis

max time kernel
26s
max time network
113s
platform
windows10_x64
resource
win10v20210408
submitted
24-06-2021 10:25

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General

Target

f6b7d211295b874d7b8cb1512ca3cde41ce6a08d76f083f12ec1e13a21aeceb3.dll
Size

160KB
MD5

3438bbb389ecfcfd7fd0dbded11e98eb
SHA1

06a4a3ad2dd373e88da3248db100d6d6983a4967
SHA256

f6b7d211295b874d7b8cb1512ca3cde41ce6a08d76f083f12ec1e13a21aeceb3
SHA512

882c2647544124fcca19f3240e7e4e97f98afc722aac11b6c881a9fe2b51c9cc2fc1414ad92221137082fb4032adbfaeb164c2c77e01db18b01a2108d383ab37

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/1400-115-0x0000000074300000-0x000000007432E000-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 568 wrote to memory of 1400	568	rundll32.exe	rundll32.exe
PID 568 wrote to memory of 1400	568	rundll32.exe	rundll32.exe
PID 568 wrote to memory of 1400	568	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f6b7d211295b874d7b8cb1512ca3cde41ce6a08d76f083f12ec1e13a21aeceb3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:568

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f6b7d211295b874d7b8cb1512ca3cde41ce6a08d76f083f12ec1e13a21aeceb3.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1400

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/1400-114-0x0000000000000000-mapping.dmp

Download
memory/1400-115-0x0000000074300000-0x000000007432E000-memory.dmp

Filesize
184KB

Download
memory/1400-117-0x0000000002BD0000-0x0000000002BD6000-memory.dmp

Filesize
24KB

Download