dridex | 30a77ea833b490a46a89857d7eb08c85134a24f36f76cf2e53be74d2ce94c46f

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7v20210410
submitted
05/05/2021, 20:04

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General

Target
3ced355a_by_Libranalysis.dll
Size 162KB
Sample210505-bxpfm4hpb2
SHA256 30a77ea833b490a46a89857d7eb08c85134a24f36f76cf2e53be74d2ce94c46f
MD5 3ced355add46f79c315d379822fccea5
SHA1 1f49bcdbc5e62dff8ae1b4d23fb87ad6d6c60c1c
SHA512 a7ef65be516c32a110e1baafc92abb4e3c99811eb0e269e0671f4701b045a8d9f6f96113c96d4734115f89f0ab8e195952e6bae7d8531002f072204fb0e12d84
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/1988-61-0x0000000074EB0000-0x0000000074EDE000-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 788 wrote to memory of 1988	788	rundll32.exe	15
PID 788 wrote to memory of 1988	788	rundll32.exe	15
PID 788 wrote to memory of 1988	788	rundll32.exe	15
PID 788 wrote to memory of 1988	788	rundll32.exe	15
PID 788 wrote to memory of 1988	788	rundll32.exe	15
PID 788 wrote to memory of 1988	788	rundll32.exe	15
PID 788 wrote to memory of 1988	788	rundll32.exe	15

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ced355a_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:788
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ced355a_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1988

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/1988-60-0x0000000075551000-0x0000000075553000-memory.dmp

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memory/1988-61-0x0000000074EB0000-0x0000000074EDE000-memory.dmp

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memory/1988-63-0x00000000001C0000-0x00000000001C6000-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