dridex | 35f7bcf7f2de02f7f3d906b378e22cc985e60bffb88536b6ee3e035b5673a110

Analysis

max time kernel
125s
max time network
11s
platform
windows7_x64
resource
win7v20201028
submitted
29/03/2021, 14:32

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General

Target
35f7bcf7f2de02f7f3d906b378e22cc985e60bffb88536b6ee3e035b5673a110.dll
Size 196KB
Sample210329-aj1embvxvn
SHA256 35f7bcf7f2de02f7f3d906b378e22cc985e60bffb88536b6ee3e035b5673a110
MD5 ce6bf6cae1c612bf9fc307fd8d0f0a13
SHA1 09ef502e48faedbedf774eb26b733ae9b975a148
SHA512 e0f8ea55c4085b36f4a4b1f48ad8f510f37a8a8997ad71628900459dda3b349ba1e4c52a44e20c9e84262f17f4d3e6777e5e49b6112fb47bffa44cad0d7fc112
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

131.100.24.231:443
162.144.34.234:6601
5.189.181.107:2303

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1648-4-0x0000000074F90000-0x0000000074FC3000-memory.dmp	dridex_ldr
behavioral1/memory/1648-6-0x0000000074F90000-0x0000000074FB1000-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 544 wrote to memory of 1648	544	rundll32.exe	26
PID 544 wrote to memory of 1648	544	rundll32.exe	26
PID 544 wrote to memory of 1648	544	rundll32.exe	26
PID 544 wrote to memory of 1648	544	rundll32.exe	26
PID 544 wrote to memory of 1648	544	rundll32.exe	26
PID 544 wrote to memory of 1648	544	rundll32.exe	26
PID 544 wrote to memory of 1648	544	rundll32.exe	26

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\35f7bcf7f2de02f7f3d906b378e22cc985e60bffb88536b6ee3e035b5673a110.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:544
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\35f7bcf7f2de02f7f3d906b378e22cc985e60bffb88536b6ee3e035b5673a110.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1648

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/1648-3-0x0000000076881000-0x0000000076883000-memory.dmp

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memory/1648-4-0x0000000074F90000-0x0000000074FC3000-memory.dmp

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memory/1648-5-0x00000000001C0000-0x00000000001C6000-memory.dmp

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memory/1648-6-0x0000000074F90000-0x0000000074FB1000-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