dridex | eb8f365ee1bb791c7a10c9dfdf7f689e5145f9be6cbb2a5f139e518364de99b5

Analysis

max time kernel
25s
max time network
116s
platform
windows10_x64
resource
win10v20210410
submitted
03/05/2021, 03:02

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General

Target
7e29b7c1_by_Libranalysis.dll
Size 162KB
Sample210503-rrvyhm75g6
SHA256 eb8f365ee1bb791c7a10c9dfdf7f689e5145f9be6cbb2a5f139e518364de99b5
MD5 7e29b7c19c2fc3c1a895c0865996497c
SHA1 6b8cb290acc0850d5abbcc051f1b2062ca697c89
SHA512 93a45252dac2ef97cbc3ca448fa64c7398a07be15728c0e816449fa773657a1b1d11effd25182282ee98d25a4f630ecf8df7766db3d95cbb3511c51eb7530536
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/2856-115-0x00000000741E0000-0x000000007420E000-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 1016 wrote to memory of 2856	1016	rundll32.exe	70
PID 1016 wrote to memory of 2856	1016	rundll32.exe	70
PID 1016 wrote to memory of 2856	1016	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7e29b7c1_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7e29b7c1_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2856

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/2856-115-0x00000000741E0000-0x000000007420E000-memory.dmp

Download

memory/2856-117-0x0000000001190000-0x0000000001196000-memory.dmp