dridex | e4af7d45669377f0e7c5b7af068759d730c9cf97419d2c09e5574fa4eab23eb0

Analysis

max time kernel
91s
max time network
24s
platform
windows7_x64
resource
win7v20201028
submitted
17/03/2021, 18:07

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General

Target
e4af7d45669377f0e7c5b7af068759d730c9cf97419d2c09e5574fa4eab23eb0.dll
Size 208KB
Sample210317-xc9p85jb4e
SHA256 e4af7d45669377f0e7c5b7af068759d730c9cf97419d2c09e5574fa4eab23eb0
MD5 dba8b96c0b942b5048fdbbee6f5028ed
SHA1 cab01a05183d1a0dba0a5ec88f720e1fd40b3c6b
SHA512 170e0dce0f93ba69712447539679aa51d688e52a5a8bbf401ccec35cc25a7d0c0498ddcb722a89cfa083df6eb41203df7fd5165f4a5e14c8666b19e21d948a28
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/1852-4-0x00000000749B0000-0x00000000749E6000-memory.dmp	dridex_ldr
behavioral1/memory/1852-6-0x00000000749B0000-0x00000000749D1000-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 892 wrote to memory of 1852	892	rundll32.exe	25
PID 892 wrote to memory of 1852	892	rundll32.exe	25
PID 892 wrote to memory of 1852	892	rundll32.exe	25
PID 892 wrote to memory of 1852	892	rundll32.exe	25
PID 892 wrote to memory of 1852	892	rundll32.exe	25
PID 892 wrote to memory of 1852	892	rundll32.exe	25
PID 892 wrote to memory of 1852	892	rundll32.exe	25

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4af7d45669377f0e7c5b7af068759d730c9cf97419d2c09e5574fa4eab23eb0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:892
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4af7d45669377f0e7c5b7af068759d730c9cf97419d2c09e5574fa4eab23eb0.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1852

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/1852-3-0x0000000074D91000-0x0000000074D93000-memory.dmp

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memory/1852-4-0x00000000749B0000-0x00000000749E6000-memory.dmp

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memory/1852-5-0x0000000000190000-0x0000000000196000-memory.dmp

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memory/1852-6-0x00000000749B0000-0x00000000749D1000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads