dridex | aff30a1f34f2601fe8cf7fae0d4913ff52ce97edea53a44f802f60ba26df5fff

Analysis

max time kernel
120s
max time network
100s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:04

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General

Target

aff30a1f34f2601fe8cf7fae0d4913ff52ce97edea53a44f802f60ba26df5fff.dll
Size

157KB
MD5

2c6336747efbacb22d6f3ec0bddec8cd
SHA1

87b7df6103fc9bb327d364042d48fb4216077250
SHA256

aff30a1f34f2601fe8cf7fae0d4913ff52ce97edea53a44f802f60ba26df5fff
SHA512

d6068445519dce0d3148a75adaf1a788bf88572bb772a56904c4274cda50cc4e5aeea5150c3f3b2c436f4cfb069926c7391c7ec6d1a029ab42c7e0fbe4f31a03

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/1032-115-0x0000000074310000-0x000000007433D000-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 644 wrote to memory of 1032	644	rundll32.exe	rundll32.exe
PID 644 wrote to memory of 1032	644	rundll32.exe	rundll32.exe
PID 644 wrote to memory of 1032	644	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\aff30a1f34f2601fe8cf7fae0d4913ff52ce97edea53a44f802f60ba26df5fff.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:644

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\aff30a1f34f2601fe8cf7fae0d4913ff52ce97edea53a44f802f60ba26df5fff.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1032

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/1032-114-0x0000000000000000-mapping.dmp

Download
memory/1032-115-0x0000000074310000-0x000000007433D000-memory.dmp

Filesize
180KB

Download
memory/1032-117-0x0000000000CA0000-0x0000000000CA6000-memory.dmp

Filesize
24KB

Download