dridex | 4387a84a4f0ff30337c35ff0d7c5fff55aaff6aedc0be3e6022fa3b84e3d6f24

Analysis

max time kernel
29s
max time network
114s
platform
windows10_x64
resource
win10v20210410
submitted
27/04/2021, 10:48

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General

Target
e16b5881_by_Libranalysis.dll
Size 162KB
Sample210427-5dwfhd4b7a
SHA256 4387a84a4f0ff30337c35ff0d7c5fff55aaff6aedc0be3e6022fa3b84e3d6f24
MD5 e16b5881bb06a7f5d592973bfb2f2ffe
SHA1 c6efeca3736510fcf95de869070a39f354036591
SHA512 185392eb153d79dd010474a717187fd6f29d55b09c3d02ae6fba1cabdc6d814162dbe0ccb40a494fc472636cdd94dee17c30a5577903f2024f729b932bc4c5b1
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/740-115-0x0000000073860000-0x000000007388E000-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 2204 wrote to memory of 740	2204	rundll32.exe	70
PID 2204 wrote to memory of 740	2204	rundll32.exe	70
PID 2204 wrote to memory of 740	2204	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e16b5881_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e16b5881_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:740

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/740-115-0x0000000073860000-0x000000007388E000-memory.dmp

Download

memory/740-117-0x0000000001080000-0x0000000001086000-memory.dmp