dridex | 41522735eca45af9769505dc3cb1558c73a96a447cdfbc71ba2bcdf70c661bd5

Analysis

max time kernel
120s
max time network
105s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:02

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General

Target

41522735eca45af9769505dc3cb1558c73a96a447cdfbc71ba2bcdf70c661bd5.dll
Size

157KB
MD5

bbc8e463be5f746f0c62393abc12de87
SHA1

e0ce4e3f5af106718f94833c4a4934f56c8eebd2
SHA256

41522735eca45af9769505dc3cb1558c73a96a447cdfbc71ba2bcdf70c661bd5
SHA512

f16b10eb6596379668843a685d32012ce27a8ac00d277ba0dc9ae140a6e76f03d9f880455d625ee9b6bf7b51e7e9cf3e04d2268f5255567c4bdb956731766cd8

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/364-115-0x0000000074430000-0x000000007445D000-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 764 wrote to memory of 364	764	rundll32.exe	rundll32.exe
PID 764 wrote to memory of 364	764	rundll32.exe	rundll32.exe
PID 764 wrote to memory of 364	764	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\41522735eca45af9769505dc3cb1558c73a96a447cdfbc71ba2bcdf70c661bd5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:764

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\41522735eca45af9769505dc3cb1558c73a96a447cdfbc71ba2bcdf70c661bd5.dll,#1
2⤵
- Checks whether UAC is enabled
PID:364

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/364-114-0x0000000000000000-mapping.dmp

Download
memory/364-115-0x0000000074430000-0x000000007445D000-memory.dmp

Filesize
180KB

Download
memory/364-117-0x00000000008A0000-0x00000000008A6000-memory.dmp

Filesize
24KB

Download