dridex | 5837c991ddc8d91211a153b6e8aae657645ff20fe54c9bbb4b20b786b2733563

Analysis

max time kernel
19s
max time network
123s
platform
windows10_x64
resource
win10v20210410
submitted
25-06-2021 13:47

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General

Target

5837c991ddc8d91211a153b6e8aae657645ff20fe54c9bbb4b20b786b2733563.dll
Size

158KB
MD5

c1eb8433805ed11d70467fcdb7dfb93e
SHA1

ee0a90e04fc4729aac3f7c782aaedd877beee22a
SHA256

5837c991ddc8d91211a153b6e8aae657645ff20fe54c9bbb4b20b786b2733563
SHA512

6c17ca5380d9d0bfa953f4879f3544beda9c805f93a222cff048273a43b92c9707e2d3f2eda288df14ef6de7271a52c143ec229fb37f3c1b881cb45a4e6c5149

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/4460-115-0x0000000073820000-0x000000007384D000-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 4444 wrote to memory of 4460	4444	rundll32.exe	rundll32.exe
PID 4444 wrote to memory of 4460	4444	rundll32.exe	rundll32.exe
PID 4444 wrote to memory of 4460	4444	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5837c991ddc8d91211a153b6e8aae657645ff20fe54c9bbb4b20b786b2733563.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4444

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5837c991ddc8d91211a153b6e8aae657645ff20fe54c9bbb4b20b786b2733563.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4460

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

Replay Monitor

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Downloads

memory/4460-114-0x0000000000000000-mapping.dmp

Download
memory/4460-115-0x0000000073820000-0x000000007384D000-memory.dmp

Filesize
180KB

Download
memory/4460-117-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download