dridex | fafaef8a256d8eb3c1b69d040ae76ca59e21bde9c05d52a7d37ce0be614d9ff8

Analysis

max time kernel
38s
max time network
46s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:04

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General

Target

fafaef8a256d8eb3c1b69d040ae76ca59e21bde9c05d52a7d37ce0be614d9ff8.dll
Size

157KB
MD5

1a0ae08753caf73f0d54a6b215ab3991
SHA1

c057e7bbde321d62dee485f33f89d96a3f81edfe
SHA256

fafaef8a256d8eb3c1b69d040ae76ca59e21bde9c05d52a7d37ce0be614d9ff8
SHA512

3b1c85118f7d419bf0dbf5f264c62ac3bffb2afc1221625b5e6d92f9b87c200e8402ae8720db9aab6e78884bda93b93f67fd14ab7e64b2c7c6d4730938e3ed6b

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/3600-115-0x0000000073B70000-0x0000000073B9D000-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 2112 wrote to memory of 3600	2112	rundll32.exe	rundll32.exe
PID 2112 wrote to memory of 3600	2112	rundll32.exe	rundll32.exe
PID 2112 wrote to memory of 3600	2112	rundll32.exe	rundll32.exe

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fafaef8a256d8eb3c1b69d040ae76ca59e21bde9c05d52a7d37ce0be614d9ff8.dll,#1
1⤵
- Checks whether UAC is enabled
PID:3600

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fafaef8a256d8eb3c1b69d040ae76ca59e21bde9c05d52a7d37ce0be614d9ff8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2112

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/3600-114-0x0000000000000000-mapping.dmp

Download
memory/3600-115-0x0000000073B70000-0x0000000073B9D000-memory.dmp

Filesize
180KB

Download
memory/3600-117-0x0000000000AE0000-0x0000000000AE6000-memory.dmp

Filesize
24KB

Download