dridex | 80b857f5810ad6e1ac83c74e251c5a2d9ef40fc08a3edcfa532f7f3421ad984b

Analysis

max time kernel
75s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 23:28 UTC

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General

Target

JaffaCakes118_80b857f5810ad6e1ac83c74e251c5a2d9ef40fc08a3edcfa532f7f3421ad984b.dll
Size

162KB
MD5

694ada8a029a7d9691e5d65fe73a7e67
SHA1

0f5ab4aac7c644dff1f0c80138d98faf9f4d4ebd
SHA256

80b857f5810ad6e1ac83c74e251c5a2d9ef40fc08a3edcfa532f7f3421ad984b
SHA512

e8b7af3668ae33dfac732f15bb2d982ff7fda63ef3921b9265e05e16ad6fcb70f82af35391f5d709f98ed109a4a129c62450255944bd40ba7a841588d0cb6142
SSDEEP

3072:+mNFcsGvTmf9vOmoM0IZ5kPjBxYvdIL2KyOQaOP8+cMTH1PxsMYQnF1b1l:PLc7UtOpM1Z5k1xYO2LXjTH1pH5nF1p

Score

10^/10

dridex 40112 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

rc4.plain

1
AhGDjKatq8OVBsCNBxsJHbQSf84QZXMd170Lw0kGCrK

rc4.plain

1
ZZ9zhvNgYZKh5HVVVEDNPVdpdSY2d6pJ4ZBqsvPVEDjyOFNIkXQwmhTyNKiurfq

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/348-0-0x0000000074DA0000-0x0000000074DCE000-memory.dmp	dridex_ldr
behavioral1/memory/348-3-0x0000000074DA0000-0x0000000074DCE000-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

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 348	1520	rundll32.exe	30
PID 1520 wrote to memory of 348	1520	rundll32.exe	30
PID 1520 wrote to memory of 348	1520	rundll32.exe	30
PID 1520 wrote to memory of 348	1520	rundll32.exe	30
PID 1520 wrote to memory of 348	1520	rundll32.exe	30
PID 1520 wrote to memory of 348	1520	rundll32.exe	30
PID 1520 wrote to memory of 348	1520	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_80b857f5810ad6e1ac83c74e251c5a2d9ef40fc08a3edcfa532f7f3421ad984b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1520
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_80b857f5810ad6e1ac83c74e251c5a2d9ef40fc08a3edcfa532f7f3421ad984b.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:348

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/348-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/348-0-0x0000000074DA0000-0x0000000074DCE000-memory.dmp

Filesize
184KB

Download
memory/348-3-0x0000000074DA0000-0x0000000074DCE000-memory.dmp

Filesize
184KB

Download