dridex | 3a972abb482035c9c016613b86ddeaeae44b11805fb6fccd1950f0a59fd896e7

Analysis

max time kernel
19s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
26-06-2021 07:05

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General

Target

3a972abb482035c9c016613b86ddeaeae44b11805fb6fccd1950f0a59fd896e7.dll
Size

158KB
MD5

37b21ccb32ba051cc62d1f22afc8d8f2
SHA1

8d40b114842f7b19e825e08b9fa65a23d768a079
SHA256

3a972abb482035c9c016613b86ddeaeae44b11805fb6fccd1950f0a59fd896e7
SHA512

ea8a155bb6deeec4f87360a3080305d685945bc88286efa1d2b4fc3f5b3bde547859f43f04968e3e317d618646034189cb4748d29ef36be7f1f363a14c3094c4

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/588-115-0x0000000073D70000-0x0000000073D9D000-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 3036 wrote to memory of 588	3036	rundll32.exe	rundll32.exe
PID 3036 wrote to memory of 588	3036	rundll32.exe	rundll32.exe
PID 3036 wrote to memory of 588	3036	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a972abb482035c9c016613b86ddeaeae44b11805fb6fccd1950f0a59fd896e7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3036

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a972abb482035c9c016613b86ddeaeae44b11805fb6fccd1950f0a59fd896e7.dll,#1
2⤵
- Checks whether UAC is enabled
PID:588

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/588-114-0x0000000000000000-mapping.dmp

Download
memory/588-115-0x0000000073D70000-0x0000000073D9D000-memory.dmp

Filesize
180KB

Download
memory/588-117-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download