dridex | b1d20f9476d18710fc5e2864d4a274f9b92d5e0ee49459b475054ec508d4a1d0

Analysis

max time kernel
41s
max time network
113s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 17:35

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General

Target

b1d20f9476d18710fc5e2864d4a274f9b92d5e0ee49459b475054ec508d4a1d0.dll
Size

162KB
MD5

0c278719773016f6bc6132ff4cd0372f
SHA1

b1bf30adc535fac8c04bfbfcfbac83899da6e9d3
SHA256

b1d20f9476d18710fc5e2864d4a274f9b92d5e0ee49459b475054ec508d4a1d0
SHA512

8b924e64dc327e43bbe263ea7c3beea53a4d12b796c51bf8ddd70204bbeff1d3caff26bde191148926d0454093c3000ae36bd166d680467bf80fd0e7591c1850

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
behavioral2/memory/4932-115-0x0000000073880000-0x00000000738AE000-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 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4800 wrote to memory of 4932	4800	rundll32.exe	rundll32.exe
PID 4800 wrote to memory of 4932	4800	rundll32.exe	rundll32.exe
PID 4800 wrote to memory of 4932	4800	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1d20f9476d18710fc5e2864d4a274f9b92d5e0ee49459b475054ec508d4a1d0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4800

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1d20f9476d18710fc5e2864d4a274f9b92d5e0ee49459b475054ec508d4a1d0.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4932

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/4932-114-0x0000000000000000-mapping.dmp

Download
memory/4932-115-0x0000000073880000-0x00000000738AE000-memory.dmp

Filesize
184KB

Download
memory/4932-117-0x0000000004C00000-0x0000000004C06000-memory.dmp

Filesize
24KB

Download