dridex | 709ec9c9c57103957d87e5babbd2b88ebae3dcdda3e2233ffef9ca54cd642f19

Analysis

max time kernel
26s
max time network
119s
platform
windows10_x64
resource
win10v20210408
submitted
25-06-2021 17:01

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General

Target

709ec9c9c57103957d87e5babbd2b88ebae3dcdda3e2233ffef9ca54cd642f19.dll
Size

160KB
MD5

1ea3f12d8899775ef6325bcf4143c156
SHA1

e77601397897196a4b3fd495ae023e201e7c8690
SHA256

709ec9c9c57103957d87e5babbd2b88ebae3dcdda3e2233ffef9ca54cd642f19
SHA512

4e2947497bf00e988dd3c4ae934d5952b879b05c97670ba3d42ca8e2e7b56324a902c6faae9ca73cc36f720e07756ea3c95257821ce27bf97ef985dc65b6dcff

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/1444-115-0x0000000074430000-0x000000007445E000-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 740 wrote to memory of 1444	740	rundll32.exe	rundll32.exe
PID 740 wrote to memory of 1444	740	rundll32.exe	rundll32.exe
PID 740 wrote to memory of 1444	740	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\709ec9c9c57103957d87e5babbd2b88ebae3dcdda3e2233ffef9ca54cd642f19.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:740

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\709ec9c9c57103957d87e5babbd2b88ebae3dcdda3e2233ffef9ca54cd642f19.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1444

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/1444-114-0x0000000000000000-mapping.dmp

Download
memory/1444-115-0x0000000074430000-0x000000007445E000-memory.dmp

Filesize
184KB

Download
memory/1444-117-0x0000000000760000-0x0000000000766000-memory.dmp

Filesize
24KB

Download