dridex | 6f935a7d95047f8b26e5db15868c0b859bbaebcdec77d823e3d9afd68b20e707

Analysis

max time kernel
18s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
23-06-2021 21:25

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General

Target

6f935a7d95047f8b26e5db15868c0b859bbaebcdec77d823e3d9afd68b20e707.dll
Size

160KB
MD5

89be669591bed102ace7d80fa5a12918
SHA1

c77dc624a46958843f6b8ffc830e5ae8e62518f7
SHA256

6f935a7d95047f8b26e5db15868c0b859bbaebcdec77d823e3d9afd68b20e707
SHA512

19633d6209aa66677f5621b347420f39e2fdfff2d472d3764da0046a3bba199486237a4ae9742584f181ee18a97df1b8ec130b1d620a30441fee5b7cdc969a91

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/3160-115-0x00000000739B0000-0x00000000739DE000-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 508 wrote to memory of 3160	508	rundll32.exe	rundll32.exe
PID 508 wrote to memory of 3160	508	rundll32.exe	rundll32.exe
PID 508 wrote to memory of 3160	508	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6f935a7d95047f8b26e5db15868c0b859bbaebcdec77d823e3d9afd68b20e707.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:508

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6f935a7d95047f8b26e5db15868c0b859bbaebcdec77d823e3d9afd68b20e707.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3160

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/3160-114-0x0000000000000000-mapping.dmp

Download
memory/3160-115-0x00000000739B0000-0x00000000739DE000-memory.dmp

Filesize
184KB

Download
memory/3160-117-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download