dridex | dff6c689399a6d75f6dcd1a7f08d3e2a6faee4518ab9ae20dea34b5bb843f64a

Analysis

max time kernel
99s
max time network
101s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:43

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General

Target

dff6c689399a6d75f6dcd1a7f08d3e2a6faee4518ab9ae20dea34b5bb843f64a.dll
Size

154KB
MD5

73e0ad58c3468f87e0260d5426c36e80
SHA1

664c27b76515347651d501ee680244856bd8f589
SHA256

dff6c689399a6d75f6dcd1a7f08d3e2a6faee4518ab9ae20dea34b5bb843f64a
SHA512

8a0e9f448ccce8094965c5bdb539795997d44010212c20b591b66fdfab09c7e6d52364e4350f1fa8e47a63c487c5dfde47825ac8125352cd1a21981b952c71dc

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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/1572-115-0x0000000073F50000-0x0000000073F7D000-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 1032 wrote to memory of 1572	1032	rundll32.exe	rundll32.exe
PID 1032 wrote to memory of 1572	1032	rundll32.exe	rundll32.exe
PID 1032 wrote to memory of 1572	1032	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dff6c689399a6d75f6dcd1a7f08d3e2a6faee4518ab9ae20dea34b5bb843f64a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1032

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dff6c689399a6d75f6dcd1a7f08d3e2a6faee4518ab9ae20dea34b5bb843f64a.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1572

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/1572-114-0x0000000000000000-mapping.dmp

Download
memory/1572-115-0x0000000073F50000-0x0000000073F7D000-memory.dmp

Filesize
180KB

Download
memory/1572-117-0x0000000000940000-0x0000000000946000-memory.dmp

Filesize
24KB

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