dridex | 05b7e69b80248a5bea47b7e88b27d925f475403982e0696800e6fb9f95fab165

Analysis

max time kernel
25s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
24-06-2021 05:23

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General

Target

05b7e69b80248a5bea47b7e88b27d925f475403982e0696800e6fb9f95fab165.dll
Size

160KB
MD5

0c78a2a56ac6cc4d63487efbb94e98e7
SHA1

b7512807bc9266a78e5370acdea80062b1238e08
SHA256

05b7e69b80248a5bea47b7e88b27d925f475403982e0696800e6fb9f95fab165
SHA512

36bb7ef866a66e2879ab8affd2825268ba38834f69d8d16073c8ffcbce7f79a003612f3e0897f8a2ed7654c9be77f83c35dce6453eee04505b8a8f30a018ca2f

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/1116-115-0x0000000074310000-0x000000007433E000-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 644 wrote to memory of 1116	644	rundll32.exe	rundll32.exe
PID 644 wrote to memory of 1116	644	rundll32.exe	rundll32.exe
PID 644 wrote to memory of 1116	644	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\05b7e69b80248a5bea47b7e88b27d925f475403982e0696800e6fb9f95fab165.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:644

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\05b7e69b80248a5bea47b7e88b27d925f475403982e0696800e6fb9f95fab165.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1116

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/1116-114-0x0000000000000000-mapping.dmp

Download
memory/1116-115-0x0000000074310000-0x000000007433E000-memory.dmp

Filesize
184KB

Download
memory/1116-117-0x0000000002E00000-0x0000000002F4A000-memory.dmp

Filesize
1.3MB

Download