dridex | ff05100badfe66a35b8fb9e08f08c2a365416a18ce03f3f592ce8ab3a7058239

Analysis

max time kernel
135s
max time network
136s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 16:02

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General

Target

ff05100badfe66a35b8fb9e08f08c2a365416a18ce03f3f592ce8ab3a7058239.dll
Size

162KB
MD5

9bbe2a5eb5725ec06f449edd4d5a70c6
SHA1

b97b233a63ef27afb223447f52ea6387d94612f8
SHA256

ff05100badfe66a35b8fb9e08f08c2a365416a18ce03f3f592ce8ab3a7058239
SHA512

c14ab80a1034f4638be2d91c77b7c30622e767ded4efc972906ce30ebd3514d850124752a07e1682a2d5b95d07b338e6ddde5416de0189de3ab28e482fa24e43

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/1916-62-0x0000000074C90000-0x0000000074CBE000-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 1916	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1916	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1916	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1916	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1916	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1916	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1916	1088	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff05100badfe66a35b8fb9e08f08c2a365416a18ce03f3f592ce8ab3a7058239.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1088

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff05100badfe66a35b8fb9e08f08c2a365416a18ce03f3f592ce8ab3a7058239.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1916

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/1916-60-0x0000000000000000-mapping.dmp

Download
memory/1916-61-0x00000000753B1000-0x00000000753B3000-memory.dmp

Filesize
8KB

Download
memory/1916-62-0x0000000074C90000-0x0000000074CBE000-memory.dmp

Filesize
184KB

Download
memory/1916-64-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download