dridex | bae9d26d4565c125d2bb02a7c37d559c8ad266e081847edafc6d261fa5d3957b

Analysis

max time kernel
35s
max time network
9s
platform
windows7_x64
resource
win7v20210408
submitted
04-05-2021 13:36

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General

Target

bae9d26d4565c125d2bb02a7c37d559c8ad266e081847edafc6d261fa5d3957b.dll
Size

161KB
MD5

b982fd7a7d5db8bdb5138e1424f5e0ff
SHA1

958df2e9c92bb76656197f6d900081c73713f42d
SHA256

bae9d26d4565c125d2bb02a7c37d559c8ad266e081847edafc6d261fa5d3957b
SHA512

3cff23a7c3fd27ec66617b579125ab0f6d3a6bc684212dcc76a95137af7dfaa80aa1544739dc7773a6d0fdb50e60c22af601bdcf1243d677f272b6cad7ca27ce

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/1944-62-0x0000000074E50000-0x0000000074E7E000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 864 wrote to memory of 1944	864	rundll32.exe	rundll32.exe
PID 864 wrote to memory of 1944	864	rundll32.exe	rundll32.exe
PID 864 wrote to memory of 1944	864	rundll32.exe	rundll32.exe
PID 864 wrote to memory of 1944	864	rundll32.exe	rundll32.exe
PID 864 wrote to memory of 1944	864	rundll32.exe	rundll32.exe
PID 864 wrote to memory of 1944	864	rundll32.exe	rundll32.exe
PID 864 wrote to memory of 1944	864	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bae9d26d4565c125d2bb02a7c37d559c8ad266e081847edafc6d261fa5d3957b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:864

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bae9d26d4565c125d2bb02a7c37d559c8ad266e081847edafc6d261fa5d3957b.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1944

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/1944-60-0x0000000000000000-mapping.dmp

Download
memory/1944-61-0x0000000075891000-0x0000000075893000-memory.dmp

Filesize
8KB

Download
memory/1944-62-0x0000000074E50000-0x0000000074E7E000-memory.dmp

Filesize
184KB

Download
memory/1944-64-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download