dridex | dbe1c504a2f915360f1a6e397b06728360338c219c5d702f58e7f27619d938e0

Analysis

max time kernel
106s
max time network
106s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:01

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General

Target

dbe1c504a2f915360f1a6e397b06728360338c219c5d702f58e7f27619d938e0.dll
Size

157KB
MD5

d7d66515f85d0ceec78995dee837b1d9
SHA1

b7f36b1168895c015a82dd30f46d2376a805cb2b
SHA256

dbe1c504a2f915360f1a6e397b06728360338c219c5d702f58e7f27619d938e0
SHA512

9c47cba79b63527907dd6c88a834bb0eca572ba282661f1d8c580204b651f10d756dbd11967b0182d206b91cb5845aa1d2769b2bf8d21f9a6c23dc5ec3d2fd4d

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/2204-115-0x0000000073D70000-0x0000000073D9D000-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 3768 wrote to memory of 2204	3768	rundll32.exe	rundll32.exe
PID 3768 wrote to memory of 2204	3768	rundll32.exe	rundll32.exe
PID 3768 wrote to memory of 2204	3768	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dbe1c504a2f915360f1a6e397b06728360338c219c5d702f58e7f27619d938e0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3768

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dbe1c504a2f915360f1a6e397b06728360338c219c5d702f58e7f27619d938e0.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2204

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/2204-114-0x0000000000000000-mapping.dmp

Download
memory/2204-115-0x0000000073D70000-0x0000000073D9D000-memory.dmp

Filesize
180KB

Download
memory/2204-117-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download