dridex | 83545f5901b6a3d21ecee04059a75d1966f861fa6b2bfa4bdbd3b83ee3b12f5c

Analysis

max time kernel
63s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:52

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General

Target

JaffaCakes118_83545f5901b6a3d21ecee04059a75d1966f861fa6b2bfa4bdbd3b83ee3b12f5c.dll
Size

204KB
MD5

70dcb18ec862322fd36ea26c1aef7280
SHA1

cfe218680ef41b9d0b584f45c2f4f643bb23d31a
SHA256

83545f5901b6a3d21ecee04059a75d1966f861fa6b2bfa4bdbd3b83ee3b12f5c
SHA512

1fb02c83ad93ae147f9ecef4d87bc97e8cf8c511f567e8e50f36571670d88dc5336132d1526b2d51fe64858d379816ce9d278695e9ba9c4d471b75fcf5982698
SSDEEP

3072:V6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:VZuX6pEaeEDheWa+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/2128-0-0x0000000074690000-0x00000000746C5000-memory.dmp	dridex_ldr
behavioral1/memory/2128-2-0x0000000074690000-0x00000000746C5000-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 764 wrote to memory of 2128	764	rundll32.exe	30
PID 764 wrote to memory of 2128	764	rundll32.exe	30
PID 764 wrote to memory of 2128	764	rundll32.exe	30
PID 764 wrote to memory of 2128	764	rundll32.exe	30
PID 764 wrote to memory of 2128	764	rundll32.exe	30
PID 764 wrote to memory of 2128	764	rundll32.exe	30
PID 764 wrote to memory of 2128	764	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_83545f5901b6a3d21ecee04059a75d1966f861fa6b2bfa4bdbd3b83ee3b12f5c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:764
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_83545f5901b6a3d21ecee04059a75d1966f861fa6b2bfa4bdbd3b83ee3b12f5c.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2128

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

Replay Monitor

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Downloads

memory/2128-0-0x0000000074690000-0x00000000746C5000-memory.dmp

Filesize
212KB

Download
memory/2128-1-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2128-2-0x0000000074690000-0x00000000746C5000-memory.dmp

Filesize
212KB

Download