dridex | 154e400a50d0681f64aceb8946b1ddc969fd0928b46023e0badf74dc949469c8

Analysis

max time kernel
31s
max time network
9s
platform
windows7_x64
resource
win7v20210410
submitted
07/05/2021, 08:02

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General

Target
b7dba81b_by_Libranalysis.dll
Size 162KB
Sample210507-j74hm7d8v2
SHA256 154e400a50d0681f64aceb8946b1ddc969fd0928b46023e0badf74dc949469c8
MD5 b7dba81b74b47f229832ef6ab2354f16
SHA1 e7bd5d80e8d3c321ef0c111e7dd1153eb7178ad7
SHA512 ebbfba82131532796b4080239dc5e07c90bdfa6fc1c396e346fecea2a17ef798ec6d051d6e1a00a548480b4c4c1f0a11a5e59efaeca739959eb8760554d8c87d
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
behavioral1/memory/1348-62-0x00000000754B0000-0x00000000754DE000-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 7 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 1348	2000	rundll32.exe	25
PID 2000 wrote to memory of 1348	2000	rundll32.exe	25
PID 2000 wrote to memory of 1348	2000	rundll32.exe	25
PID 2000 wrote to memory of 1348	2000	rundll32.exe	25
PID 2000 wrote to memory of 1348	2000	rundll32.exe	25
PID 2000 wrote to memory of 1348	2000	rundll32.exe	25
PID 2000 wrote to memory of 1348	2000	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7dba81b_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7dba81b_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1348

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

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Downloads

memory/1348-61-0x00000000765F1000-0x00000000765F3000-memory.dmp

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memory/1348-62-0x00000000754B0000-0x00000000754DE000-memory.dmp

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memory/1348-64-0x0000000000250000-0x0000000000256000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads