dridex | 4087f2f7fac1683e7c7c6028d1bf73c5721420b48c73dce2aa962fe472ba5f5a

Analysis

max time kernel
40s
max time network
75s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 23:28

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General

Target

4087f2f7fac1683e7c7c6028d1bf73c5721420b48c73dce2aa962fe472ba5f5a.dll
Size

162KB
MD5

057d8a698feb6d782498ce46a4cc427d
SHA1

efe38a28c2dba28e10a7c549b6273c6d24dfe0c4
SHA256

4087f2f7fac1683e7c7c6028d1bf73c5721420b48c73dce2aa962fe472ba5f5a
SHA512

7c302ab5868210099106cb6b343528d4b6be70980921d2865f9f1750329a5127a0cc1238930bafe4d4722ef99d556cc9c97c24805c427731b2b4f49108d189ae

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/1548-115-0x0000000074450000-0x000000007447E000-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 656 wrote to memory of 1548	656	rundll32.exe	rundll32.exe
PID 656 wrote to memory of 1548	656	rundll32.exe	rundll32.exe
PID 656 wrote to memory of 1548	656	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4087f2f7fac1683e7c7c6028d1bf73c5721420b48c73dce2aa962fe472ba5f5a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:656

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4087f2f7fac1683e7c7c6028d1bf73c5721420b48c73dce2aa962fe472ba5f5a.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1548

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/1548-114-0x0000000000000000-mapping.dmp

Download
memory/1548-115-0x0000000074450000-0x000000007447E000-memory.dmp

Filesize
184KB

Download
memory/1548-117-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download