dridex | 0cf55152a0d6f47f60f75d98979b98012558d81005b559551ef58cd6d4a070ba

Analysis

max time kernel
33s
max time network
14s
platform
windows7_x64
resource
win7v20210408
submitted
21-04-2021 18:11

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General

Target

0cf55152a0d6f47f60f75d98979b98012558d81005b559551ef58cd6d4a070ba.dll
Size

157KB
MD5

602b3e2a5c45e5fe055e283d8188e9cf
SHA1

75817a39f99828720e1a52f83d28faa3fcbaae90
SHA256

0cf55152a0d6f47f60f75d98979b98012558d81005b559551ef58cd6d4a070ba
SHA512

72f49594cf55c1de47256cdf4826d95db7ef7a72b512aca6dbbc239efa6365205948f22f0f184a6bcde64281ede60090d1ad12b1279541928ffe98d6d742c433

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

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/1844-62-0x0000000075290000-0x00000000752BD000-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 1684 wrote to memory of 1844	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1844	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1844	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1844	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1844	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1844	1684	rundll32.exe	rundll32.exe
PID 1684 wrote to memory of 1844	1684	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0cf55152a0d6f47f60f75d98979b98012558d81005b559551ef58cd6d4a070ba.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0cf55152a0d6f47f60f75d98979b98012558d81005b559551ef58cd6d4a070ba.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1844

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

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Downloads

memory/1844-60-0x0000000000000000-mapping.dmp

Download
memory/1844-61-0x0000000075B31000-0x0000000075B33000-memory.dmp

Filesize
8KB

Download
memory/1844-62-0x0000000075290000-0x00000000752BD000-memory.dmp

Filesize
180KB

Download
memory/1844-64-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download