dridex | 641ec82d8a9935ba3aa4007db16d94e227f39ab968796dbc7b6dc0add9449361

Analysis

max time kernel
30s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
05/05/2021, 17:03

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General

Target
ed65d6e5_by_Libranalysis.dll
Size 162KB
Sample210505-c1fg52dax2
SHA256 641ec82d8a9935ba3aa4007db16d94e227f39ab968796dbc7b6dc0add9449361
MD5 ed65d6e5e9bbf46f1e62957aa60f3cc1
SHA1 fd6a78523919f9c962b46acf3e128615b8185de1
SHA512 153812ca52f57afb8a4170f68041c50fc7deeedc9aad72c0a2bed647f3d3e3428fc4eb9bac7d2bc9f679779edf4378080ee28d8ff0a6765ac956c6353cfd3f8f
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/1888-115-0x0000000073F10000-0x0000000073F3E000-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 472 wrote to memory of 1888	472	rundll32.exe	71
PID 472 wrote to memory of 1888	472	rundll32.exe	71
PID 472 wrote to memory of 1888	472	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ed65d6e5_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:472
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ed65d6e5_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1888

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/1888-115-0x0000000073F10000-0x0000000073F3E000-memory.dmp

Download

memory/1888-117-0x0000000000520000-0x0000000000526000-memory.dmp