dridex | e17a5a8bcc1104da7a0fa495033044e67b79516cf6d9f9110c2da1a018bf5f45

Analysis

max time kernel
73s
max time network
137s
platform
windows10_x64
resource
win10v20210408
submitted
30/04/2021, 04:04

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General

Target
99e20fbe_by_Libranalysis.dll
Size 162KB
Sample210430-3v3seq9afe
SHA256 e17a5a8bcc1104da7a0fa495033044e67b79516cf6d9f9110c2da1a018bf5f45
MD5 99e20fbe39f7c4577726c3aad77206f3
SHA1 761d963efcefea3fe062269b687d0aaf694ce098
SHA512 8330923c1587bb17a63af86c8f6d49cfc01440d81cdf3673eef38dfd7779f4f9d0494078c90b5600f54e19c7d45b4a1a24e5e168ed1a69e89970d211ffcc2c52
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/3932-115-0x0000000073620000-0x000000007364E000-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 584 wrote to memory of 3932	584	rundll32.exe	71
PID 584 wrote to memory of 3932	584	rundll32.exe	71
PID 584 wrote to memory of 3932	584	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\99e20fbe_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:584
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\99e20fbe_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3932

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/3932-115-0x0000000073620000-0x000000007364E000-memory.dmp

Download

memory/3932-117-0x0000000000740000-0x0000000000746000-memory.dmp