dridex | 95bfb6dcc92ae19a67100219268a571226bc2ce8e7c6d3a989c49801f94dea87

Analysis

max time kernel
30s
max time network
32s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:07

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General

Target

95bfb6dcc92ae19a67100219268a571226bc2ce8e7c6d3a989c49801f94dea87.dll
Size

154KB
MD5

fe2b098ca9c51b67ccab5d5cb2b00082
SHA1

1260d0ebff51a7d77ce7efcf6e0ded88a6430b68
SHA256

95bfb6dcc92ae19a67100219268a571226bc2ce8e7c6d3a989c49801f94dea87
SHA512

b4a607b6cee256370dbb6bc78c820711df511ab7e5616fe868f7a30f6f64ca0909169e341ca5c9afd877a310f5b0fe347876cdc7f8062f494b2ae20c7b91b72c

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/1400-115-0x00000000744D0000-0x00000000744FD000-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 624 wrote to memory of 1400	624	rundll32.exe	rundll32.exe
PID 624 wrote to memory of 1400	624	rundll32.exe	rundll32.exe
PID 624 wrote to memory of 1400	624	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\95bfb6dcc92ae19a67100219268a571226bc2ce8e7c6d3a989c49801f94dea87.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:624

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\95bfb6dcc92ae19a67100219268a571226bc2ce8e7c6d3a989c49801f94dea87.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/1400-115-0x00000000744D0000-0x00000000744FD000-memory.dmp

Filesize
180KB

Download
memory/1400-117-0x00000000030C0000-0x00000000030C6000-memory.dmp

Filesize
24KB

Download