dridex | 4f1879f0223411dc5664df5856f9b2ee3fca89f684b9e15185fc05888bbc322d

Analysis

max time kernel
18s
max time network
115s
platform
windows10_x64
resource
win10v20210410
submitted
26-06-2021 04:12

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General

Target

4f1879f0223411dc5664df5856f9b2ee3fca89f684b9e15185fc05888bbc322d.dll
Size

160KB
MD5

12fff697a24d1c68d6b044800660003c
SHA1

3a437470a569205f160988c2750771f35de5f150
SHA256

4f1879f0223411dc5664df5856f9b2ee3fca89f684b9e15185fc05888bbc322d
SHA512

1ed7a810528cb089978dbeb1158d4e8ea5987f2646a132ee13587b1f84c8ef6faec67f7d99f1e84650389b2528bb982aba05a6c34267203666ec11b62501017e

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/740-115-0x0000000073BF0000-0x0000000073C1E000-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 3172 wrote to memory of 740	3172	rundll32.exe	rundll32.exe
PID 3172 wrote to memory of 740	3172	rundll32.exe	rundll32.exe
PID 3172 wrote to memory of 740	3172	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f1879f0223411dc5664df5856f9b2ee3fca89f684b9e15185fc05888bbc322d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3172

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f1879f0223411dc5664df5856f9b2ee3fca89f684b9e15185fc05888bbc322d.dll,#1
2⤵
- Checks whether UAC is enabled
PID:740

Network

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/740-114-0x0000000000000000-mapping.dmp

Download
memory/740-115-0x0000000073BF0000-0x0000000073C1E000-memory.dmp

Filesize
184KB

Download
memory/740-117-0x0000000000E30000-0x0000000000F7A000-memory.dmp

Filesize
1.3MB

Download