dridex | 2f25761d274d62a434d70685776d9df7ecc021e9785665bfacfe46650da43c43

Analysis

max time kernel
60s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 20:09

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General

Target

JaffaCakes118_2f25761d274d62a434d70685776d9df7ecc021e9785665bfacfe46650da43c43.dll
Size

159KB
MD5

c71b8b788cea86dfbb51fb52e6802c61
SHA1

8fa5d1b80ece76c0f3240bd7be5747a342e900d2
SHA256

2f25761d274d62a434d70685776d9df7ecc021e9785665bfacfe46650da43c43
SHA512

b7748d4a9dacf7668be743e37d59d8c8db9df6fe57a38f176a5d84acb271732760c5c1e87ee70707e3ea484f49bd58599809c944a91554a0a55b6d55ef5efd95
SSDEEP

3072:R78CMtKJlXoDFwXrdV/9/uWIdojDZl4epTGmoAc7iTRilfn6wlYYOZwd:6nClX8WZ7/HrRCADTR0VlIZw

Score

10^/10

dridex 22203 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

22203

78.46.73.125:443

185.148.168.26:2303

66.113.160.126:8172

rc4.plain

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
behavioral2/memory/1668-1-0x0000000010000000-0x000000001002D000-memory.dmp	dridex_ldr
behavioral2/memory/1668-4-0x0000000010000000-0x000000001002D000-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 3 IoCs

description	pid	Process	procid_target
PID 1664 wrote to memory of 1668	1664	rundll32.exe	84
PID 1664 wrote to memory of 1668	1664	rundll32.exe	84
PID 1664 wrote to memory of 1668	1664	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2f25761d274d62a434d70685776d9df7ecc021e9785665bfacfe46650da43c43.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1664
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2f25761d274d62a434d70685776d9df7ecc021e9785665bfacfe46650da43c43.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1668

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/1668-0-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/1668-1-0x0000000010000000-0x000000001002D000-memory.dmp

Filesize
180KB

Download
memory/1668-3-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/1668-4-0x0000000010000000-0x000000001002D000-memory.dmp

Filesize
180KB

Download