dridex | 579e752ea2a57484abe415cffa1e8d4aa4ef5290e7b8589ec14a725cc2d24009

Analysis

max time kernel
85s
max time network
9s
platform
windows7_x64
resource
win7v20201028
submitted
17/03/2021, 17:58

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General

Target
579e752ea2a57484abe415cffa1e8d4aa4ef5290e7b8589ec14a725cc2d24009.dll
Size 208KB
Sample210317-bat7rm5k7s
SHA256 579e752ea2a57484abe415cffa1e8d4aa4ef5290e7b8589ec14a725cc2d24009
MD5 a15b0d78a1185019b252d5ecfa40ad81
SHA1 03b3b0aa1560ffea4a798928aeadd658fc4ce2c0
SHA512 6d02a03a5a261de3b12bd4a203d3d59fe680168b7c00b8a347a778e854e83948e79a30d89ad2fad9b3fd21bc32fd0190c9262cd281ebf547c731fdca88de243e
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

77.220.64.137:443
66.228.134.180:6601
199.204.214.26:7073

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/1940-4-0x0000000074950000-0x0000000074986000-memory.dmp	dridex_ldr
behavioral1/memory/1940-6-0x0000000074950000-0x0000000074971000-memory.dmp	dridex_ldr

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 384 wrote to memory of 1940	384	rundll32.exe	25
PID 384 wrote to memory of 1940	384	rundll32.exe	25
PID 384 wrote to memory of 1940	384	rundll32.exe	25
PID 384 wrote to memory of 1940	384	rundll32.exe	25
PID 384 wrote to memory of 1940	384	rundll32.exe	25
PID 384 wrote to memory of 1940	384	rundll32.exe	25
PID 384 wrote to memory of 1940	384	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\579e752ea2a57484abe415cffa1e8d4aa4ef5290e7b8589ec14a725cc2d24009.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:384
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\579e752ea2a57484abe415cffa1e8d4aa4ef5290e7b8589ec14a725cc2d24009.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1940

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

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Downloads

memory/1940-3-0x0000000076241000-0x0000000076243000-memory.dmp

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memory/1940-4-0x0000000074950000-0x0000000074986000-memory.dmp

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memory/1940-5-0x0000000000110000-0x0000000000116000-memory.dmp

Download

memory/1940-6-0x0000000074950000-0x0000000074971000-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