dridex | 1f533244cfbc8502ccd5cc45acc3297c831b439ef34429f6f62c0963e3f4a00b

Analysis

max time kernel
19s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
10-06-2021 22:24

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General

Target

1f533244cfbc8502ccd5cc45acc3297c831b439ef34429f6f62c0963e3f4a00b.dll
Size

160KB
MD5

267444943eb4922f927e1627684bc3d5
SHA1

706f3bb1e5c62b19b18e92fc7dfb0979acee7c52
SHA256

1f533244cfbc8502ccd5cc45acc3297c831b439ef34429f6f62c0963e3f4a00b
SHA512

be38050d70d3e739d37139dc2e3571c29cbc2d9196fc4ba7150ebb7ae4dc27c788bfd0393e3cdda299ead7cc3bc868106e5d955830a394e443af78226a1d028a

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

rc4.plain

Signatures

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

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/3872-115-0x0000000073A10000-0x0000000073A3E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3896 wrote to memory of 3872	3896	rundll32.exe	rundll32.exe
PID 3896 wrote to memory of 3872	3896	rundll32.exe	rundll32.exe
PID 3896 wrote to memory of 3872	3896	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1f533244cfbc8502ccd5cc45acc3297c831b439ef34429f6f62c0963e3f4a00b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3896
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1f533244cfbc8502ccd5cc45acc3297c831b439ef34429f6f62c0963e3f4a00b.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3872

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/3872-114-0x0000000000000000-mapping.dmp

Download
memory/3872-115-0x0000000073A10000-0x0000000073A3E000-memory.dmp

Filesize
184KB

Download
memory/3872-117-0x00000000032B0000-0x00000000032B6000-memory.dmp

Filesize
24KB

Download