dridex | 907ff045a01396b4ad0772fdb4ce4924a4ef216475b6b5b6b381e1f1e22035e1

Analysis

max time kernel
142s
max time network
145s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:18

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General

Target

907ff045a01396b4ad0772fdb4ce4924a4ef216475b6b5b6b381e1f1e22035e1.dll
Size

154KB
MD5

ba999a1020d47a65fc98d2ade57d1042
SHA1

32bb05f26465e9b4143abf7b454e4e61808f0c8e
SHA256

907ff045a01396b4ad0772fdb4ce4924a4ef216475b6b5b6b381e1f1e22035e1
SHA512

46b356ec7ba929c08fc53a277806ac2e64e3f38483c21a02e77108613683cba57d63d1a8988ecb5f66f507b29d2a66566c6cd482bbd4fd8446f64ba813d4a5cb

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
behavioral2/memory/852-115-0x0000000074310000-0x000000007433D000-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 636 wrote to memory of 852	636	rundll32.exe	rundll32.exe
PID 636 wrote to memory of 852	636	rundll32.exe	rundll32.exe
PID 636 wrote to memory of 852	636	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\907ff045a01396b4ad0772fdb4ce4924a4ef216475b6b5b6b381e1f1e22035e1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:636

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\907ff045a01396b4ad0772fdb4ce4924a4ef216475b6b5b6b381e1f1e22035e1.dll,#1
2⤵
- Checks whether UAC is enabled
PID:852

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/852-114-0x0000000000000000-mapping.dmp

Download
memory/852-115-0x0000000074310000-0x000000007433D000-memory.dmp

Filesize
180KB

Download
memory/852-117-0x0000000000BA0000-0x0000000000BA6000-memory.dmp

Filesize
24KB

Download