dridex | 1bd8fc5688c0c0e16b0ef5e5aae9b24aee0a7bd7336ff019c9350a0cd4dbaea1

Analysis

max time kernel
100s
max time network
101s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:10

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General

Target

1bd8fc5688c0c0e16b0ef5e5aae9b24aee0a7bd7336ff019c9350a0cd4dbaea1.dll
Size

157KB
MD5

eed351ef5a9703a9ddf669c152a21f6e
SHA1

19d5ed5f046b72f83927706f5e30d8ec266d9750
SHA256

1bd8fc5688c0c0e16b0ef5e5aae9b24aee0a7bd7336ff019c9350a0cd4dbaea1
SHA512

08fe9fbdb072fbe0b84c49f2f488b255dfc429e4e5b1bcb1a8b121b50d81a23cea9124dcf97eeb9e8dbc08c7960dbb261250ed8f884ed76eb95d96e6f3529c6c

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/3768-115-0x0000000073E80000-0x0000000073EAD000-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 1852 wrote to memory of 3768	1852	rundll32.exe	rundll32.exe
PID 1852 wrote to memory of 3768	1852	rundll32.exe	rundll32.exe
PID 1852 wrote to memory of 3768	1852	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1bd8fc5688c0c0e16b0ef5e5aae9b24aee0a7bd7336ff019c9350a0cd4dbaea1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1852

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1bd8fc5688c0c0e16b0ef5e5aae9b24aee0a7bd7336ff019c9350a0cd4dbaea1.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3768

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/3768-114-0x0000000000000000-mapping.dmp

Download
memory/3768-115-0x0000000073E80000-0x0000000073EAD000-memory.dmp

Filesize
180KB

Download
memory/3768-117-0x0000000000D00000-0x0000000000D06000-memory.dmp

Filesize
24KB

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