dridex | 269a2d8f2563209d126be968b4912472ca5f22792007fef1a36bd26d53b5476e

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7v20210408
submitted
08/05/2021, 10:01

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General

Target
8f4d794e_by_Libranalysis.dll
Size 162KB
Sample210508-38c2rbkwln
SHA256 269a2d8f2563209d126be968b4912472ca5f22792007fef1a36bd26d53b5476e
MD5 8f4d794ec39522f2bd8a2b6837afe990
SHA1 47853a702dc4c836fa0ae44b3cfbaa0e9c790ddc
SHA512 dc9d9dd4aa7871d7f9f59066663d61dcfddb2b8db9d0697938812e3fa351f92b8cce1af013b2f2405fad91d18d1df2571d12ba39adbc305673e9206f0a39e98d
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/1988-62-0x0000000074D70000-0x0000000074D9E000-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 1820 wrote to memory of 1988	1820	rundll32.exe	25
PID 1820 wrote to memory of 1988	1820	rundll32.exe	25
PID 1820 wrote to memory of 1988	1820	rundll32.exe	25
PID 1820 wrote to memory of 1988	1820	rundll32.exe	25
PID 1820 wrote to memory of 1988	1820	rundll32.exe	25
PID 1820 wrote to memory of 1988	1820	rundll32.exe	25
PID 1820 wrote to memory of 1988	1820	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8f4d794e_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8f4d794e_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/1988-61-0x0000000076641000-0x0000000076643000-memory.dmp

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memory/1988-62-0x0000000074D70000-0x0000000074D9E000-memory.dmp

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memory/1988-64-0x00000000000B0000-0x00000000000B6000-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