dridex | 2e6a9b2c68fabcf47a2aee3ddd9fc8ca801202b87c4d5059b52de6e89c3b334f

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7v20201028
submitted
31/03/2021, 14:34

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General

Target
2e6a9b2c68fabcf47a2aee3ddd9fc8ca801202b87c4d5059b52de6e89c3b334f.dll
Size 377KB
Sample210331-27t69kmp7a
SHA256 2e6a9b2c68fabcf47a2aee3ddd9fc8ca801202b87c4d5059b52de6e89c3b334f
MD5 6aab6b6b9ac07f33da6bbc301f9694f6
SHA1 76a84dbcc12623028d3553d2da2368728ef1bb60
SHA512 f98a36e80dbe2a697554553cf7198563b0ac693c5c1c72994634b407d1e0f60ca5c88c81e221eeb2ec1df751ec62a9844222e871f855d2761df286a9b06fd464
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
behavioral1/memory/1408-4-0x0000000074910000-0x000000007494D000-memory.dmp	dridex_ldr
behavioral1/memory/1408-5-0x0000000074910000-0x000000007494D000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
6	1408	rundll32.exe
8	1408	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 7 IoCs

description	pid	Process	procid_target
PID 1864 wrote to memory of 1408	1864	rundll32.exe	25
PID 1864 wrote to memory of 1408	1864	rundll32.exe	25
PID 1864 wrote to memory of 1408	1864	rundll32.exe	25
PID 1864 wrote to memory of 1408	1864	rundll32.exe	25
PID 1864 wrote to memory of 1408	1864	rundll32.exe	25
PID 1864 wrote to memory of 1408	1864	rundll32.exe	25
PID 1864 wrote to memory of 1408	1864	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2e6a9b2c68fabcf47a2aee3ddd9fc8ca801202b87c4d5059b52de6e89c3b334f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1864
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2e6a9b2c68fabcf47a2aee3ddd9fc8ca801202b87c4d5059b52de6e89c3b334f.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1408

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/656-7-0x000007FEF7810000-0x000007FEF7A8A000-memory.dmp

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memory/1408-3-0x00000000760B1000-0x00000000760B3000-memory.dmp

Download

memory/1408-4-0x0000000074910000-0x000000007494D000-memory.dmp

Download

memory/1408-5-0x0000000074910000-0x000000007494D000-memory.dmp

Download

memory/1408-6-0x0000000000180000-0x0000000000181000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads