dridex | bf475e6f6d8ec17d490859b5a1dcab8ffe5d7297ae7bb61765b5d015e61663cd

Analysis

max time kernel
27s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
16/04/2021, 19:21

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General

Target
bf475e6f6d8ec17d490859b5a1dcab8ffe5d7297ae7bb61765b5d015e61663cd.dll
Size 162KB
Sample210416-ae6cw6rs72
SHA256 bf475e6f6d8ec17d490859b5a1dcab8ffe5d7297ae7bb61765b5d015e61663cd
MD5 1326736947ed6d7e7cdb32279d28e2a9
SHA1 1dd5948221db8dfa95652dd26270412ca78437fd
SHA512 6daa93db37b468f26ea88a234b52315784d7bb288b7635df504b7c77b80e2b8c0cdf623074acca5da33748a3e14a383f957751a89ba47996328956a035765df2
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/1496-115-0x0000000073FB0000-0x0000000073FDE000-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 668 wrote to memory of 1496	668	rundll32.exe	70
PID 668 wrote to memory of 1496	668	rundll32.exe	70
PID 668 wrote to memory of 1496	668	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bf475e6f6d8ec17d490859b5a1dcab8ffe5d7297ae7bb61765b5d015e61663cd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:668
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bf475e6f6d8ec17d490859b5a1dcab8ffe5d7297ae7bb61765b5d015e61663cd.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

Replay Monitor

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Downloads

memory/1496-115-0x0000000073FB0000-0x0000000073FDE000-memory.dmp

Download

memory/1496-117-0x0000000003310000-0x0000000003316000-memory.dmp