dridex | 011fb202666d657ce99d6035ad579df0874e2329a33f6a493dfa40d172eeb003

Analysis

max time kernel
19s
max time network
116s
platform
windows10_x64
resource
win10v20210410
submitted
11-06-2021 03:13

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General

Target

011fb202666d657ce99d6035ad579df0874e2329a33f6a493dfa40d172eeb003.dll
Size

160KB
MD5

5aecba9398eb894db9b5fa6e6f43ba6e
SHA1

9d50002e70f328b451cb9b0c73278026ed008559
SHA256

011fb202666d657ce99d6035ad579df0874e2329a33f6a493dfa40d172eeb003
SHA512

b89cba0f0ab559a78c719bfd0a3f0aeddd978dd6f9b30a1b0f333f79e6be2e4dd7d971502689eb8370ec9b9e8a77bddf6c0ebd537c2a1d513429cffd677cdda6

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

rc4.plain

Signatures

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

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/3276-115-0x0000000073860000-0x000000007388E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1864 wrote to memory of 3276	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 3276	1864	rundll32.exe	rundll32.exe
PID 1864 wrote to memory of 3276	1864	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\011fb202666d657ce99d6035ad579df0874e2329a33f6a493dfa40d172eeb003.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1864

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\011fb202666d657ce99d6035ad579df0874e2329a33f6a493dfa40d172eeb003.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3276

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3276-114-0x0000000000000000-mapping.dmp

Download
memory/3276-115-0x0000000073860000-0x000000007388E000-memory.dmp

Filesize
184KB

Download
memory/3276-117-0x0000000000B20000-0x0000000000C6A000-memory.dmp

Filesize
1.3MB

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