dridex | ac1f2cf97449bcf4e36bd78d3cfdd6b8cc06c7f5a220ee7afea32cd72b728714

Analysis

max time kernel
64s
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, 22:32

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General

Target

JaffaCakes118_ac1f2cf97449bcf4e36bd78d3cfdd6b8cc06c7f5a220ee7afea32cd72b728714.dll
Size

204KB
MD5

9ad74a3e954d47228ce9c369b6ca2db5
SHA1

d0bd36ae9da082f88c160f4c06a77a7b1794abf0
SHA256

ac1f2cf97449bcf4e36bd78d3cfdd6b8cc06c7f5a220ee7afea32cd72b728714
SHA512

44fb58d555e48a23b2de7bcabd082c7b512bd24cf80276ca3ed3cc7ff5f7bdf3c73edaad21b1dd52fb7f185c14a37c3999cbc47beb9fab849865946c146f9fbf
SSDEEP

3072:86FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:8ZuX6pEaeEDheWa+Jc9bhorfTw

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

45.58.56.12:443

162.241.54.59:6601

51.91.76.89:2303

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
behavioral1/memory/2392-1-0x0000000074A10000-0x0000000074A45000-memory.dmp	dridex_ldr
behavioral1/memory/2392-2-0x0000000074A10000-0x0000000074A45000-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 2440 wrote to memory of 2392	2440	rundll32.exe	30
PID 2440 wrote to memory of 2392	2440	rundll32.exe	30
PID 2440 wrote to memory of 2392	2440	rundll32.exe	30
PID 2440 wrote to memory of 2392	2440	rundll32.exe	30
PID 2440 wrote to memory of 2392	2440	rundll32.exe	30
PID 2440 wrote to memory of 2392	2440	rundll32.exe	30
PID 2440 wrote to memory of 2392	2440	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ac1f2cf97449bcf4e36bd78d3cfdd6b8cc06c7f5a220ee7afea32cd72b728714.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ac1f2cf97449bcf4e36bd78d3cfdd6b8cc06c7f5a220ee7afea32cd72b728714.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2392

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/2392-0-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2392-1-0x0000000074A10000-0x0000000074A45000-memory.dmp

Filesize
212KB

Download
memory/2392-3-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2392-2-0x0000000074A10000-0x0000000074A45000-memory.dmp

Filesize
212KB

Download