dridex | 61253883f2cbdebcdc0cd51556d98435a5966b1ecb02a3c52a1f083a466157d8

Analysis

max time kernel
65s
max time network
125s
platform
windows10_x64
resource
win10v20201028
submitted
23/03/2021, 06:49

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General

Target
61253883f2cbdebcdc0cd51556d98435a5966b1ecb02a3c52a1f083a466157d8.dll
Size 373KB
Sample210323-41jmxebcpa
SHA256 61253883f2cbdebcdc0cd51556d98435a5966b1ecb02a3c52a1f083a466157d8
MD5 7a70daa887ac97836e0d605a4fad7014
SHA1 22dd2a1c409b2068ad0091d5e339f58345f829e1
SHA512 d58b682d466c9de3e28bb79ac56146c76bb2bd31505e579676480d9772f53ab00ceebd8acce2073ec27134960cddbdbd074b7d0a14a1aabfae0ae6abe3f2593f
MD5 SHA1 SHA512

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

210.65.244.179:443
37.247.35.130:6601
103.18.108.116:6601

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/4688-3-0x0000000074190000-0x00000000741CD000-memory.dmp	dridex_ldr
behavioral2/memory/4688-4-0x0000000074190000-0x00000000741CD000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
17	4688	rundll32.exe
18	4688	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 4640 wrote to memory of 4688	4640	rundll32.exe	60
PID 4640 wrote to memory of 4688	4640	rundll32.exe	60
PID 4640 wrote to memory of 4688	4640	rundll32.exe	60

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\61253883f2cbdebcdc0cd51556d98435a5966b1ecb02a3c52a1f083a466157d8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4640
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\61253883f2cbdebcdc0cd51556d98435a5966b1ecb02a3c52a1f083a466157d8.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:4688

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/4688-3-0x0000000074190000-0x00000000741CD000-memory.dmp

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memory/4688-4-0x0000000074190000-0x00000000741CD000-memory.dmp

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memory/4688-5-0x00000000001C0000-0x00000000001C1000-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