dridex | 5d1589f4bf4c91227c1c640408ed057737d6b1918a75cf78f8ff514ec9dd1396

Analysis

max time kernel
115s
max time network
117s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:01

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General

Target

5d1589f4bf4c91227c1c640408ed057737d6b1918a75cf78f8ff514ec9dd1396.dll
Size

157KB
MD5

881e454d174259f6e9222310094440ae
SHA1

f8c2430232788563f6a3d545c9eef6ee186f4754
SHA256

5d1589f4bf4c91227c1c640408ed057737d6b1918a75cf78f8ff514ec9dd1396
SHA512

e5c30a6a9b63a2018be366578fd93851982034bb9042412416a104c9f3479c4173d4954a0508275172a7f7994767fa57626ae19cadc2ce160921ceae1f9c31a5

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/1252-115-0x0000000073F50000-0x0000000073F7D000-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 912 wrote to memory of 1252	912	rundll32.exe	rundll32.exe
PID 912 wrote to memory of 1252	912	rundll32.exe	rundll32.exe
PID 912 wrote to memory of 1252	912	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5d1589f4bf4c91227c1c640408ed057737d6b1918a75cf78f8ff514ec9dd1396.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:912

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5d1589f4bf4c91227c1c640408ed057737d6b1918a75cf78f8ff514ec9dd1396.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1252

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/1252-114-0x0000000000000000-mapping.dmp

Download
memory/1252-115-0x0000000073F50000-0x0000000073F7D000-memory.dmp

Filesize
180KB

Download
memory/1252-117-0x0000000004DA0000-0x0000000004DA6000-memory.dmp

Filesize
24KB

Download