dridex | 43b3e2cfbadc245021a17cba423a0e5f09253b84b3880a5574c3033c44b53e40

Analysis

max time kernel
80s
max time network
143s
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 23:04

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General

Target

JaffaCakes118_43b3e2cfbadc245021a17cba423a0e5f09253b84b3880a5574c3033c44b53e40.dll
Size

204KB
MD5

eb753817ec460c49687efe047dbb3e58
SHA1

d4fcdadd96170abe23b1e683d2f2d42782483827
SHA256

43b3e2cfbadc245021a17cba423a0e5f09253b84b3880a5574c3033c44b53e40
SHA512

86d19dfa01f4281703e87933001725f6f9cb6e0704edc260fc318c62cc1eb0b0fa08682b72f8310050b082c2c001202c72c9b582a58e2cd1df485cafdb4a95bb
SSDEEP

3072:U6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:UZuX6pEaeEDheWa+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
behavioral2/memory/3984-1-0x00000000755E0000-0x0000000075615000-memory.dmp	dridex_ldr
behavioral2/memory/3984-4-0x00000000755E0000-0x0000000075615000-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 1096 wrote to memory of 3984	1096	rundll32.exe	84
PID 1096 wrote to memory of 3984	1096	rundll32.exe	84
PID 1096 wrote to memory of 3984	1096	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43b3e2cfbadc245021a17cba423a0e5f09253b84b3880a5574c3033c44b53e40.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1096
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43b3e2cfbadc245021a17cba423a0e5f09253b84b3880a5574c3033c44b53e40.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:3984

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/3984-0-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/3984-1-0x00000000755E0000-0x0000000075615000-memory.dmp

Filesize
212KB

Download
memory/3984-3-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/3984-4-0x00000000755E0000-0x0000000075615000-memory.dmp

Filesize
212KB

Download