dridex | 7d4211155028cf714c9bcdb899a359c4ae024b85fa464780a2b6a625ca93a3bf

Analysis

max time kernel
74s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
19/04/2021, 16:11

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General

Target
7d4211155028cf714c9bcdb899a359c4ae024b85fa464780a2b6a625ca93a3bf.dll
Size 162KB
Sample210419-1313h66dba
SHA256 7d4211155028cf714c9bcdb899a359c4ae024b85fa464780a2b6a625ca93a3bf
MD5 43205384922707eabb2346e8c44f0528
SHA1 2ba72abad3ead05b079609f364a579505866858c
SHA512 267b16930bde78a0d360138867951ef24c8a545cb64368d1dc22619af599051a2697b8480d75df7122720b1baef781ced439bbf42b9590bbf6b420c23fab09f9
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/3172-115-0x0000000073AA0000-0x0000000073ACE000-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 3992 wrote to memory of 3172	3992	rundll32.exe	71
PID 3992 wrote to memory of 3172	3992	rundll32.exe	71
PID 3992 wrote to memory of 3172	3992	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7d4211155028cf714c9bcdb899a359c4ae024b85fa464780a2b6a625ca93a3bf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3992
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7d4211155028cf714c9bcdb899a359c4ae024b85fa464780a2b6a625ca93a3bf.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3172

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/3172-115-0x0000000073AA0000-0x0000000073ACE000-memory.dmp

Download

memory/3172-117-0x0000000000950000-0x0000000000A9A000-memory.dmp