dridex | 4bb0a1a8e5e5396f2fd4c4752b1244390a4a57d0354954fc227363f31b481fb0

Analysis

max time kernel
35s
max time network
45s
platform
windows10_x64
resource
win10v20210408
submitted
04-05-2021 14:17

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General

Target

4bb0a1a8e5e5396f2fd4c4752b1244390a4a57d0354954fc227363f31b481fb0.dll
Size

162KB
MD5

7057f79b137b7824a9bed13a2870595a
SHA1

e47de222bd899f95ba004c2cf589902cdc53daba
SHA256

4bb0a1a8e5e5396f2fd4c4752b1244390a4a57d0354954fc227363f31b481fb0
SHA512

8262bdcd92357833a9cb1947a48e58c77289593a9c281bfed11aec1caf6587ebfc9f22cd46ff980753252c7c696878b5b4fabb922c825b790604f8b35f432835

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/508-115-0x0000000073F20000-0x0000000073F4E000-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 4044 wrote to memory of 508	4044	rundll32.exe	rundll32.exe
PID 4044 wrote to memory of 508	4044	rundll32.exe	rundll32.exe
PID 4044 wrote to memory of 508	4044	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4bb0a1a8e5e5396f2fd4c4752b1244390a4a57d0354954fc227363f31b481fb0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4044

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4bb0a1a8e5e5396f2fd4c4752b1244390a4a57d0354954fc227363f31b481fb0.dll,#1
2⤵
- Checks whether UAC is enabled
PID:508

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/508-114-0x0000000000000000-mapping.dmp

Download
memory/508-115-0x0000000073F20000-0x0000000073F4E000-memory.dmp

Filesize
184KB

Download
memory/508-117-0x0000000002E00000-0x0000000002F4A000-memory.dmp

Filesize
1.3MB

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