dridex | 2f99bf90a09ae50cd4b2b0990b6566653e29ff0eefe48b35faa34c8498a36f06

Analysis

max time kernel
53s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 19:31

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General

Target

JaffaCakes118_2f99bf90a09ae50cd4b2b0990b6566653e29ff0eefe48b35faa34c8498a36f06.dll
Size

204KB
MD5

2d7227da578cc7ce1a810516a7c3bfa2
SHA1

81d0b8cea42dd7788e3445f0a7cd412ebf4f06cd
SHA256

2f99bf90a09ae50cd4b2b0990b6566653e29ff0eefe48b35faa34c8498a36f06
SHA512

9d6bbc38dc30f72e863d95492f6c8f0428affd9ba342547cf128cb7a22fcc550565ecae9601d0f17b254e0f5d719e2b0d7218f18d3699d19fe2cd6ff25e74143
SSDEEP

3072:t6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:tZuX6pEaeEDheWa+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/2428-0-0x0000000074C60000-0x0000000074C95000-memory.dmp	dridex_ldr
behavioral1/memory/2428-3-0x0000000074C60000-0x0000000074C95000-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 1712 wrote to memory of 2428	1712	rundll32.exe	30
PID 1712 wrote to memory of 2428	1712	rundll32.exe	30
PID 1712 wrote to memory of 2428	1712	rundll32.exe	30
PID 1712 wrote to memory of 2428	1712	rundll32.exe	30
PID 1712 wrote to memory of 2428	1712	rundll32.exe	30
PID 1712 wrote to memory of 2428	1712	rundll32.exe	30
PID 1712 wrote to memory of 2428	1712	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2f99bf90a09ae50cd4b2b0990b6566653e29ff0eefe48b35faa34c8498a36f06.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2f99bf90a09ae50cd4b2b0990b6566653e29ff0eefe48b35faa34c8498a36f06.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2428

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/2428-2-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2428-0-0x0000000074C60000-0x0000000074C95000-memory.dmp

Filesize
212KB

Download
memory/2428-3-0x0000000074C60000-0x0000000074C95000-memory.dmp

Filesize
212KB

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