dridex | 59370ef8df40c7efa857a1e021649e54246fbb54e084cbe5ff1086549af60891

Analysis

max time kernel
27s
max time network
116s
platform
windows10_x64
resource
win10v20210410
submitted
30/04/2021, 03:04

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General

Target
40fb1f85_by_Libranalysis.dll
Size 162KB
Sample210430-c1nr4zzxe2
SHA256 59370ef8df40c7efa857a1e021649e54246fbb54e084cbe5ff1086549af60891
MD5 40fb1f8502ae81bbbd10f788b84258c2
SHA1 6f7d9a1e1c10e9685770b236127e94627ee9a991
SHA512 4130a903406f85af8d68e970a4390f0965cc4a2d676035c24bea1424b1b01a05af363de2f5000172fa66d524a18cd889fbb27e77463c17613b28963b32a162dd
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/436-115-0x0000000073EE0000-0x0000000073F0E000-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 2672 wrote to memory of 436	2672	rundll32.exe	69
PID 2672 wrote to memory of 436	2672	rundll32.exe	69
PID 2672 wrote to memory of 436	2672	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\40fb1f85_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\40fb1f85_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:436

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/436-115-0x0000000073EE0000-0x0000000073F0E000-memory.dmp

Download

memory/436-117-0x00000000005F0000-0x00000000005F6000-memory.dmp