dridex | 933e88b439d0b41e0a49ebbd73d44d5e0f9650b5212af3e6b0158fe00b99f8a4

Analysis

max time kernel
42s
max time network
149s
platform
windows10_x64
resource
win10v20201028
submitted
18/03/2021, 07:11

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General

Target
933e88b439d0b41e0a49ebbd73d44d5e0f9650b5212af3e6b0158fe00b99f8a4.dll
Size 208KB
Sample210318-art48gff1j
SHA256 933e88b439d0b41e0a49ebbd73d44d5e0f9650b5212af3e6b0158fe00b99f8a4
MD5 0454ff70df60cf9aa4c25dad51135c04
SHA1 7f663b621ad467614b9c6ad57569fb1f02763047
SHA512 488d831e2e3217020b1be0da632b9bd55c5a9d7d91970477996aa8a791d0079e5b92f28fc070b5101e020bc35d41d5defed7e202816136239c570cc158ee2a2a
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

77.220.64.137:443
66.228.134.180:6601
199.204.214.26:7073

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
behavioral2/memory/4876-3-0x0000000073890000-0x00000000738C6000-memory.dmp	dridex_ldr
behavioral2/memory/4876-5-0x0000000073890000-0x00000000738B1000-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 4692 wrote to memory of 4876	4692	rundll32.exe	71
PID 4692 wrote to memory of 4876	4692	rundll32.exe	71
PID 4692 wrote to memory of 4876	4692	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\933e88b439d0b41e0a49ebbd73d44d5e0f9650b5212af3e6b0158fe00b99f8a4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4692
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\933e88b439d0b41e0a49ebbd73d44d5e0f9650b5212af3e6b0158fe00b99f8a4.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4876

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/4876-3-0x0000000073890000-0x00000000738C6000-memory.dmp

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memory/4876-4-0x0000000002620000-0x0000000002626000-memory.dmp

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memory/4876-5-0x0000000073890000-0x00000000738B1000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads