dridex | 03b617b9b8e77b1dd3e011040e7e86764036d5d0dab2fe485868261d68d1ad4f

Analysis

max time kernel
19s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
22-06-2021 13:59

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General

Target

03b617b9b8e77b1dd3e011040e7e86764036d5d0dab2fe485868261d68d1ad4f.dll
Size

160KB
MD5

c02f62e0c87cf862a955a4cd5a407731
SHA1

dab7f65cb675741ab10696629332bf78d9208f00
SHA256

03b617b9b8e77b1dd3e011040e7e86764036d5d0dab2fe485868261d68d1ad4f
SHA512

a2368e33e7fafda394248842dff6c7e6cbbf292ae61c54b8e471027961d3025c03e4611e071b4fe43cea890c870bdd013ccbf36fe2f619ce41cdbe979137d0ff

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/2100-115-0x0000000073B80000-0x0000000073BAE000-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 772 wrote to memory of 2100	772	rundll32.exe	rundll32.exe
PID 772 wrote to memory of 2100	772	rundll32.exe	rundll32.exe
PID 772 wrote to memory of 2100	772	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\03b617b9b8e77b1dd3e011040e7e86764036d5d0dab2fe485868261d68d1ad4f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:772
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\03b617b9b8e77b1dd3e011040e7e86764036d5d0dab2fe485868261d68d1ad4f.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2100

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/2100-114-0x0000000000000000-mapping.dmp

Download
memory/2100-115-0x0000000073B80000-0x0000000073BAE000-memory.dmp

Filesize
184KB

Download
memory/2100-117-0x00000000028D0000-0x00000000028D6000-memory.dmp

Filesize
24KB

Download