dridex | f49664576516bc7ccbe7940dcb6453dfc36b427f52026e61ff053b8c9a5dcacd

Analysis

max time kernel
31s
max time network
9s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 18:43

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General

Target

f49664576516bc7ccbe7940dcb6453dfc36b427f52026e61ff053b8c9a5dcacd.dll
Size

154KB
MD5

884fea677c133d2ea9241a933ea0ad67
SHA1

d13425d09f041a83830e23370b218e0ab83c99cd
SHA256

f49664576516bc7ccbe7940dcb6453dfc36b427f52026e61ff053b8c9a5dcacd
SHA512

591a0b4fb0776d72ff4a1d0ce0aa4d79ef3e993d9ffb257f2d5a8b25c8487366b7260b43cec9a86b21e98cac6885403781953869b2a75f2544c7edd8ccd708ac

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/1856-61-0x0000000074E30000-0x0000000074E5D000-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 1084 wrote to memory of 1856	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 1856	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 1856	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 1856	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 1856	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 1856	1084	rundll32.exe	rundll32.exe
PID 1084 wrote to memory of 1856	1084	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f49664576516bc7ccbe7940dcb6453dfc36b427f52026e61ff053b8c9a5dcacd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1084

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f49664576516bc7ccbe7940dcb6453dfc36b427f52026e61ff053b8c9a5dcacd.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1856

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/1856-59-0x0000000000000000-mapping.dmp

Download
memory/1856-60-0x00000000752F1000-0x00000000752F3000-memory.dmp

Filesize
8KB

Download
memory/1856-61-0x0000000074E30000-0x0000000074E5D000-memory.dmp

Filesize
180KB

Download
memory/1856-63-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download