dridex | b8e0f69f97c05676be325cdedfd94f177ab9497c23c0e69ad63590b7fcacf092

Analysis

max time kernel
123s
max time network
123s
platform
windows7_x64
resource
win7v20210410
submitted
11-05-2021 10:37

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General

Target

b8e0f69f97c05676be325cdedfd94f177ab9497c23c0e69ad63590b7fcacf092.dll
Size

162KB
MD5

65f99f05b2f321ba20c15fa6855ff59f
SHA1

6e2c938c3a9da6ea14dcc571f6ed57f596aa2389
SHA256

b8e0f69f97c05676be325cdedfd94f177ab9497c23c0e69ad63590b7fcacf092
SHA512

0afee8bddc4eedbc4a1153544825a61f3a82633b1506453d90a59eaacb3d6f10c0aef279e527d8573d2e3950853c2129e329728a2f93fc7d964879ba92d83485

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/1644-61-0x0000000074C90000-0x0000000074CBE000-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 1088 wrote to memory of 1644	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1644	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1644	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1644	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1644	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1644	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1644	1088	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b8e0f69f97c05676be325cdedfd94f177ab9497c23c0e69ad63590b7fcacf092.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1088

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b8e0f69f97c05676be325cdedfd94f177ab9497c23c0e69ad63590b7fcacf092.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1644

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/1644-59-0x0000000000000000-mapping.dmp

Download
memory/1644-60-0x00000000753B1000-0x00000000753B3000-memory.dmp

Filesize
8KB

Download
memory/1644-61-0x0000000074C90000-0x0000000074CBE000-memory.dmp

Filesize
184KB

Download
memory/1644-63-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download