dridex | 39174b5cc7e1f6a79b6bf727ace6b98991c66918e93fb65adb03d24e1cfc4e2c

Analysis

max time kernel
35s
max time network
45s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 23:12

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General

Target

39174b5cc7e1f6a79b6bf727ace6b98991c66918e93fb65adb03d24e1cfc4e2c.dll
Size

158KB
MD5

92c9683a1c7fcf686c03c2ae359eb85c
SHA1

99064e59a4802376b40fe64e9bbca7bea37d4eca
SHA256

39174b5cc7e1f6a79b6bf727ace6b98991c66918e93fb65adb03d24e1cfc4e2c
SHA512

11cd30cf2d290f90f10e3291a4dd8a0fd6076e0b62d14fd096a842f2a7b55e879ae94618dfe103a5f8cb52a2c97b3ca13d91e4730d668b28e6654145b3941bc6

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/608-115-0x0000000073550000-0x000000007357D000-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 800 wrote to memory of 608	800	rundll32.exe	rundll32.exe
PID 800 wrote to memory of 608	800	rundll32.exe	rundll32.exe
PID 800 wrote to memory of 608	800	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\39174b5cc7e1f6a79b6bf727ace6b98991c66918e93fb65adb03d24e1cfc4e2c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:800

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\39174b5cc7e1f6a79b6bf727ace6b98991c66918e93fb65adb03d24e1cfc4e2c.dll,#1
2⤵
- Checks whether UAC is enabled
PID:608

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/608-114-0x0000000000000000-mapping.dmp

Download
memory/608-115-0x0000000073550000-0x000000007357D000-memory.dmp

Filesize
180KB

Download
memory/608-117-0x0000000002F90000-0x0000000002F96000-memory.dmp

Filesize
24KB

Download