dridex | 4c87290b48ac53e035498fabad32e4e5ca76edbc071ad987e8b335f564cf2763

Analysis

max time kernel
27s
max time network
67s
platform
windows10_x64
resource
win10v20210408
submitted
15/04/2021, 13:28

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General

Target
4c87290b48ac53e035498fabad32e4e5ca76edbc071ad987e8b335f564cf2763.dll
Size 162KB
Sample210415-esym86rvrx
SHA256 4c87290b48ac53e035498fabad32e4e5ca76edbc071ad987e8b335f564cf2763
MD5 f74ad55bfa220c0cbb8d7455724ce9a6
SHA1 cc70bf19d5801e40c3c6942477cd46e73914050a
SHA512 0f09e9d2e09e7fbd48ca306b1a8db2289aa378d1a0e08f2bf8c77672278444184b64760f95177ca813017fe25943785c06cdcf656d6e6f0f7b211f54647d3d63
MD5 SHA1 SHA512

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172

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

resource	yara_rule
behavioral2/memory/1444-115-0x00000000735F0000-0x000000007361E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 604 wrote to memory of 1444	604	rundll32.exe	71
PID 604 wrote to memory of 1444	604	rundll32.exe	71
PID 604 wrote to memory of 1444	604	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4c87290b48ac53e035498fabad32e4e5ca76edbc071ad987e8b335f564cf2763.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:604
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4c87290b48ac53e035498fabad32e4e5ca76edbc071ad987e8b335f564cf2763.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1444

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1444-115-0x00000000735F0000-0x000000007361E000-memory.dmp

Download

memory/1444-117-0x0000000002BD0000-0x0000000002BD6000-memory.dmp