dridex | f1d03b68f319521db18f527decd7051adad8dfb4773a5d27a4a107f1e8a37a3a

Analysis

max time kernel
86s
max time network
35s
platform
windows7_x64
resource
win7v20201028
submitted
17/03/2021, 20:03

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General

Target
f1d03b68f319521db18f527decd7051adad8dfb4773a5d27a4a107f1e8a37a3a.dll
Size 208KB
Sample210317-ja3443hal2
SHA256 f1d03b68f319521db18f527decd7051adad8dfb4773a5d27a4a107f1e8a37a3a
MD5 135e7208e78aca26419165038583aaa9
SHA1 7e29c58b82c2efee3ea09641901308def5d29994
SHA512 abd9e6ea4dbd5c237bef0c72233cd929b2f1a539441a53f24dfd5a53ee69c4a8580c36c7bf1aca30fb1e647c01169303429cc458775906aa34f1f32e60056341
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/1868-4-0x0000000074500000-0x0000000074536000-memory.dmp	dridex_ldr
behavioral1/memory/1868-6-0x0000000074500000-0x0000000074521000-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 336 wrote to memory of 1868	336	rundll32.exe	25
PID 336 wrote to memory of 1868	336	rundll32.exe	25
PID 336 wrote to memory of 1868	336	rundll32.exe	25
PID 336 wrote to memory of 1868	336	rundll32.exe	25
PID 336 wrote to memory of 1868	336	rundll32.exe	25
PID 336 wrote to memory of 1868	336	rundll32.exe	25
PID 336 wrote to memory of 1868	336	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f1d03b68f319521db18f527decd7051adad8dfb4773a5d27a4a107f1e8a37a3a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:336
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f1d03b68f319521db18f527decd7051adad8dfb4773a5d27a4a107f1e8a37a3a.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1868

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/1868-3-0x00000000753E1000-0x00000000753E3000-memory.dmp

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memory/1868-4-0x0000000074500000-0x0000000074536000-memory.dmp

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memory/1868-5-0x0000000000120000-0x0000000000126000-memory.dmp

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memory/1868-6-0x0000000074500000-0x0000000074521000-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