dridex | f3c6e29f58ae321146b5ba4cd3695fa11e4b994cbad26ea4b415684b202086fa

Analysis

max time kernel
27s
max time network
139s
platform
windows10_x64
resource
win10v20201028
submitted
24/02/2021, 15:07

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General

Target
f3c6e29f58ae321146b5ba4cd3695fa11e4b994cbad26ea4b415684b202086fa.dll
Size 188KB
Sample210224-ftmlzywzb2
SHA256 f3c6e29f58ae321146b5ba4cd3695fa11e4b994cbad26ea4b415684b202086fa
MD5 27c3fafd076632359737f44e06bc082b
SHA1 a52c627e68db970d6d7de20a0006a61f83669800
SHA512 d0d0b64f429cc43628471383c06d02b4645b091f84fe3034b69911898420b989b97336c0742ccea600b677aa00a1e51d2266ffe63b1571867b110744cf84cc2e
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

209.151.236.42:443
91.121.94.86:8172
5.189.144.136:6516

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/1268-3-0x0000000073EE0000-0x0000000073F11000-memory.dmp	dridex_ldr
behavioral2/memory/1268-5-0x0000000073EE0000-0x0000000073EFF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
16	1268	rundll32.exe
18	1268	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 1268	1200	rundll32.exe	35
PID 1200 wrote to memory of 1268	1200	rundll32.exe	35
PID 1200 wrote to memory of 1268	1200	rundll32.exe	35

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f3c6e29f58ae321146b5ba4cd3695fa11e4b994cbad26ea4b415684b202086fa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f3c6e29f58ae321146b5ba4cd3695fa11e4b994cbad26ea4b415684b202086fa.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1268

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1268-3-0x0000000073EE0000-0x0000000073F11000-memory.dmp

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memory/1268-4-0x0000000002FF0000-0x0000000002FF6000-memory.dmp

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memory/1268-5-0x0000000073EE0000-0x0000000073EFF000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads