dridex | 32733ed8cd439e049bff41a12686f66ddccf558a7ab68f4bfc014ec66bd0725b

Analysis

max time kernel
27s
max time network
137s
platform
windows10_x64
resource
win10v20201028
submitted
31/03/2021, 16:22

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General

Target
32733ed8cd439e049bff41a12686f66ddccf558a7ab68f4bfc014ec66bd0725b.dll
Size 377KB
Sample210331-ncsksqjre2
SHA256 32733ed8cd439e049bff41a12686f66ddccf558a7ab68f4bfc014ec66bd0725b
MD5 806d6fea10eb7e72666e25f0bc43d8f2
SHA1 80ce5cb7c02db4b113f49491cc0417dfd0fc813b
SHA512 1bf14cd57dce59c47547b85c387757ec28faab3d6513d2de1500f1418ec28bdc3753a8799a018c7e7571f58f558beed652a71296e027c6d9d77648eda95e9a07
MD5 SHA1 SHA512

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

131.100.24.215:443
210.65.244.174:6601
195.201.199.53:2303

rc4.plain

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/1036-3-0x0000000074410000-0x000000007444D000-memory.dmp	dridex_ldr
behavioral2/memory/1036-4-0x0000000074410000-0x000000007444D000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
16	1036	rundll32.exe
18	1036	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 644 wrote to memory of 1036	644	rundll32.exe	69
PID 644 wrote to memory of 1036	644	rundll32.exe	69
PID 644 wrote to memory of 1036	644	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\32733ed8cd439e049bff41a12686f66ddccf558a7ab68f4bfc014ec66bd0725b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:644
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\32733ed8cd439e049bff41a12686f66ddccf558a7ab68f4bfc014ec66bd0725b.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1036

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/1036-3-0x0000000074410000-0x000000007444D000-memory.dmp

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memory/1036-4-0x0000000074410000-0x000000007444D000-memory.dmp

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memory/1036-5-0x0000000000660000-0x0000000000661000-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