dridex | 01877af61c3375efc1d123f1c8eea3f6a39ad95ce7b3a5cfdd5399d83c62fc06

Analysis

max time kernel
19s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
22/05/2021, 06:19

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General

Target
e2392c61_by_Libranalysis.dll
Size 162KB
Sample210522-b4d73st5ss
SHA256 01877af61c3375efc1d123f1c8eea3f6a39ad95ce7b3a5cfdd5399d83c62fc06
MD5 e2392c611ec6ba56df7ff6bcbb1b9dd9
SHA1 64c6a2d0c30c4c41a08e8314da6cc112c5fa5969
SHA512 f4bc307ba4c6ea91a96f18980f7f28e1b029a80a46f718138f2e123b7306abc2c3f931c7e375b7502fa2d256c65b44fc1b6f0f854ca1f6ba991ac717c3bf3e7a
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/436-115-0x0000000073EE0000-0x0000000073F0E000-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 4060 wrote to memory of 436	4060	rundll32.exe	70
PID 4060 wrote to memory of 436	4060	rundll32.exe	70
PID 4060 wrote to memory of 436	4060	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e2392c61_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4060
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e2392c61_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:436

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/436-115-0x0000000073EE0000-0x0000000073F0E000-memory.dmp

Download

memory/436-117-0x00000000005F0000-0x00000000005F6000-memory.dmp