dridex | 31aa83bb4b2b4c60ec541309a4958dc2dd4abe24c3daf07161afc233ab216a11

Analysis

max time kernel
134s
max time network
137s
platform
windows7_x64
resource
win7v20210408
submitted
28/04/2021, 01:01

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General

Target
01750bb6_by_Libranalysis.dll
Size 162KB
Sample210428-rxdexgmxtj
SHA256 31aa83bb4b2b4c60ec541309a4958dc2dd4abe24c3daf07161afc233ab216a11
MD5 01750bb6e83f1700690542779868c673
SHA1 1ae86656e775d16376c7a7c841b53c84963b1119
SHA512 857334be40bb522d3950a7d5293c1595b7baa64b4eccc0051b7ec70b928ff1157cbfafa81cf94e46503a33974b28eef7fce68bdb624b2c2d07d304700953ca80
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/1104-62-0x0000000074DC0000-0x0000000074DEE000-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 1920 wrote to memory of 1104	1920	rundll32.exe	25
PID 1920 wrote to memory of 1104	1920	rundll32.exe	25
PID 1920 wrote to memory of 1104	1920	rundll32.exe	25
PID 1920 wrote to memory of 1104	1920	rundll32.exe	25
PID 1920 wrote to memory of 1104	1920	rundll32.exe	25
PID 1920 wrote to memory of 1104	1920	rundll32.exe	25
PID 1920 wrote to memory of 1104	1920	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\01750bb6_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1920
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\01750bb6_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1104

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/1104-61-0x0000000076691000-0x0000000076693000-memory.dmp

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memory/1104-62-0x0000000074DC0000-0x0000000074DEE000-memory.dmp

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memory/1104-64-0x00000000001D0000-0x00000000001D6000-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