dridex | 3638a6f7c7f623f8589da9d8fc6da82cc5b9949cb18704e117ac2eb3ba94fae7

Analysis

max time kernel
50s
max time network
71s
platform
windows10_x64
resource
win10v20210408
submitted
24/05/2021, 20:04

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General

Target
1173ecd9_by_Libranalysis.dll
Size 162KB
Sample210524-sfb9pphcdj
SHA256 3638a6f7c7f623f8589da9d8fc6da82cc5b9949cb18704e117ac2eb3ba94fae7
MD5 1173ecd99f11573691f5d6bc3880bd92
SHA1 cb7872483b4cb2ae9b3f680d54cb329b44e4d25a
SHA512 20ed7f894edb442e48d5d003013facacf802af29cd491c3d4162211b49bffd6b9f3d2f962d97a1bb29448cc1305ad158caeb5d5ce2969166f6ade021eba7b0d4
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/908-115-0x00000000742C0000-0x00000000742EE000-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 672 wrote to memory of 908	672	rundll32.exe	49
PID 672 wrote to memory of 908	672	rundll32.exe	49
PID 672 wrote to memory of 908	672	rundll32.exe	49

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1173ecd9_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1173ecd9_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:908

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/908-115-0x00000000742C0000-0x00000000742EE000-memory.dmp

Download

memory/908-117-0x0000000000BD0000-0x0000000000BD6000-memory.dmp