dridex | eb3e4eeecafea0b44f2fa0ed4a0748b79a9b759ed256ac2b83ac08f399cec168

Analysis

max time kernel
101s
max time network
121s
platform
windows7_x64
resource
win7v20201028
submitted
17/03/2021, 18:07

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General

Target
eb3e4eeecafea0b44f2fa0ed4a0748b79a9b759ed256ac2b83ac08f399cec168.dll
Size 208KB
Sample210317-dfettyrdy2
SHA256 eb3e4eeecafea0b44f2fa0ed4a0748b79a9b759ed256ac2b83ac08f399cec168
MD5 a81e5877e1f8e7e704a266aec58985b5
SHA1 4d981fb3d4c9738e373e7080cbcfbc3fb259c6f9
SHA512 a53d8ee3fbae5487aafd32f971935a3cf3af7013ee722044b1bc11abb7346c7ba3eef3aa41692de4d368beba5aea49a3a9ff8571e81902adff3743a32a975694
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
behavioral1/memory/1888-4-0x0000000075380000-0x00000000753B6000-memory.dmp	dridex_ldr
behavioral1/memory/1888-6-0x0000000075380000-0x00000000753A1000-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 528 wrote to memory of 1888	528	rundll32.exe	25
PID 528 wrote to memory of 1888	528	rundll32.exe	25
PID 528 wrote to memory of 1888	528	rundll32.exe	25
PID 528 wrote to memory of 1888	528	rundll32.exe	25
PID 528 wrote to memory of 1888	528	rundll32.exe	25
PID 528 wrote to memory of 1888	528	rundll32.exe	25
PID 528 wrote to memory of 1888	528	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\eb3e4eeecafea0b44f2fa0ed4a0748b79a9b759ed256ac2b83ac08f399cec168.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:528
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\eb3e4eeecafea0b44f2fa0ed4a0748b79a9b759ed256ac2b83ac08f399cec168.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1888

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/1888-3-0x0000000075D01000-0x0000000075D03000-memory.dmp

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memory/1888-4-0x0000000075380000-0x00000000753B6000-memory.dmp

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memory/1888-5-0x0000000000190000-0x0000000000196000-memory.dmp

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memory/1888-6-0x0000000075380000-0x00000000753A1000-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