dridex | a19db094d86a8dcc470bebd1551df37407ee9111143082dc9f937cc5379e85fa

Analysis

max time kernel
30s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
14/05/2021, 22:02

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General

Target
e4c19ca4_by_Libranalysis.dll
Size 162KB
Sample210514-tb598dla32
SHA256 a19db094d86a8dcc470bebd1551df37407ee9111143082dc9f937cc5379e85fa
MD5 e4c19ca46b88bcff8a871bc333775df3
SHA1 b045ea92d0a22d29e5177a0be9368856ba5a5699
SHA512 fa894e2a013a5b2442feaf8a1925f670c568838f3b86f1b4b1c88a8a912719c568be4c99dfda38bba871af50d9b9c70cd0b3df45def732901001d2d6a4a606bb
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/3960-115-0x0000000073620000-0x000000007364E000-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 644 wrote to memory of 3960	644	rundll32.exe	69
PID 644 wrote to memory of 3960	644	rundll32.exe	69
PID 644 wrote to memory of 3960	644	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4c19ca4_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:644
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4c19ca4_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3960

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/3960-115-0x0000000073620000-0x000000007364E000-memory.dmp

Download

memory/3960-117-0x0000000000E00000-0x0000000000E06000-memory.dmp