dridex | 7ff79d235ca95a99deeea7daf8b2e587d2e4228e4d059eef3361d335d9152f34

Analysis

max time kernel
31s
max time network
18s
platform
windows7_x64
resource
win7v20210408
submitted
03/05/2021, 04:02

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General

Target
3077356a_by_Libranalysis.dll
Size 162KB
Sample210503-j71fqsvljs
SHA256 7ff79d235ca95a99deeea7daf8b2e587d2e4228e4d059eef3361d335d9152f34
MD5 3077356a1bc8b6a179f988dd25add5dd
SHA1 439ebd9fbe4f15d77b6a1d8540439d69e9061a20
SHA512 66c7279eae9559e3bc1a38414ed0f973ff24fc0a77ec8b2d9a1addd25a294edf5586601a89e566b635037f3249b6b47e56ab607ae3ac8bf8f43bb880ca3756d1
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
behavioral1/memory/1496-62-0x0000000074CE0000-0x0000000074D0E000-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 7 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 1496	1096	rundll32.exe	25
PID 1096 wrote to memory of 1496	1096	rundll32.exe	25
PID 1096 wrote to memory of 1496	1096	rundll32.exe	25
PID 1096 wrote to memory of 1496	1096	rundll32.exe	25
PID 1096 wrote to memory of 1496	1096	rundll32.exe	25
PID 1096 wrote to memory of 1496	1096	rundll32.exe	25
PID 1096 wrote to memory of 1496	1096	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3077356a_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1096
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3077356a_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1496

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

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Downloads

memory/1496-61-0x0000000075201000-0x0000000075203000-memory.dmp

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memory/1496-62-0x0000000074CE0000-0x0000000074D0E000-memory.dmp

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memory/1496-64-0x00000000001D0000-0x00000000001D6000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads