dridex | c3847ddf314c867191244d6e5b671e7d0a4a3f5f4e89a65d57d3e0ba8f91639f

Analysis

max time kernel
43s
max time network
44s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 14:09

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General

Target

c3847ddf314c867191244d6e5b671e7d0a4a3f5f4e89a65d57d3e0ba8f91639f.dll
Size

162KB
MD5

046dbf33013a3ca244e4ebdeeff3c4ea
SHA1

cb9fecdf1ac41e2f1f2fbe3a3aeade56e02c196b
SHA256

c3847ddf314c867191244d6e5b671e7d0a4a3f5f4e89a65d57d3e0ba8f91639f
SHA512

8c12684a6e3c89761130d3069d0c028ef3368b94e1c4960d3eb8df01aa2909151f824abd1964e2a23d37000fb47678f791ed9fdcae5486b6134923d74930566e

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/1920-61-0x0000000074C90000-0x0000000074CBE000-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 1920	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1920	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1920	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1920	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1920	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1920	1088	rundll32.exe	rundll32.exe
PID 1088 wrote to memory of 1920	1088	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c3847ddf314c867191244d6e5b671e7d0a4a3f5f4e89a65d57d3e0ba8f91639f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1088

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c3847ddf314c867191244d6e5b671e7d0a4a3f5f4e89a65d57d3e0ba8f91639f.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1920

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1920-59-0x0000000000000000-mapping.dmp

Download
memory/1920-60-0x00000000753B1000-0x00000000753B3000-memory.dmp

Filesize
8KB

Download
memory/1920-61-0x0000000074C90000-0x0000000074CBE000-memory.dmp

Filesize
184KB

Download
memory/1920-63-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download