dridex | f5b51125f061ec607147127715038c7d53e012239fbdb119c76a4907e74ff14d

Resubmissions

10-05-2021 09:59

210510-sgk5x1kvh2 10

12-04-2021 14:20

210412-dmsscmm9ax 10

Analysis

max time kernel
32s
max time network
20s
platform
windows7_x64
resource
win7v20210408
submitted
12-04-2021 14:20

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General

Target

f5b51125f061ec607147127715038c7d53e012239fbdb119c76a4907e74ff14d.dll
Size

192KB
MD5

1056cc046bb7a2cd71ae8e967d0b916d
SHA1

b853dff2316760fd734e2ace77e8d12bd76c3d32
SHA256

f5b51125f061ec607147127715038c7d53e012239fbdb119c76a4907e74ff14d
SHA512

6965de3ceae82367500e8e4aeebe9d1009fb8d39a31e9111eb2d0e077113736938d19c7a6ca01f199ebc8e21c916f9d3e51bfa42174cc0a834fb4bdaee7c260a

Score

10^/10

dridex 111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

77.220.64.135:443

107.180.90.10:6601

31.24.158.56:7275

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/1828-62-0x0000000075310000-0x0000000075342000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1028 wrote to memory of 1828	1028	rundll32.exe	rundll32.exe
PID 1028 wrote to memory of 1828	1028	rundll32.exe	rundll32.exe
PID 1028 wrote to memory of 1828	1028	rundll32.exe	rundll32.exe
PID 1028 wrote to memory of 1828	1028	rundll32.exe	rundll32.exe
PID 1028 wrote to memory of 1828	1028	rundll32.exe	rundll32.exe
PID 1028 wrote to memory of 1828	1028	rundll32.exe	rundll32.exe
PID 1028 wrote to memory of 1828	1028	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f5b51125f061ec607147127715038c7d53e012239fbdb119c76a4907e74ff14d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1028

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f5b51125f061ec607147127715038c7d53e012239fbdb119c76a4907e74ff14d.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1828

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/1828-60-0x0000000000000000-mapping.dmp

Download
memory/1828-61-0x0000000076A01000-0x0000000076A03000-memory.dmp

Filesize
8KB

Download
memory/1828-62-0x0000000075310000-0x0000000075342000-memory.dmp

Filesize
200KB

Download
memory/1828-64-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download