dridex | fc518839cf0beb8f6b204a7e6982f12f2fa337ef5008e7e6301d2c2d821c880b

Analysis

max time kernel
43s
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 20:54

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General

Target

JaffaCakes118_fc518839cf0beb8f6b204a7e6982f12f2fa337ef5008e7e6301d2c2d821c880b.dll
Size

204KB
MD5

e0132809e1fe22b002187de2fd51cc99
SHA1

c6b9c0700be41ae026291b432cf08a1ea359b5ff
SHA256

fc518839cf0beb8f6b204a7e6982f12f2fa337ef5008e7e6301d2c2d821c880b
SHA512

908b445ec225031cff82831e56497a767597f177ca0012f7d4801d6705bd5e150b605928a62769e3bd8d38697d2c09f54f6b56f39a36f1c4061fe3ffb9cf86cd
SSDEEP

3072:p6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:pZuX6pEaeEDheWa+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/2904-1-0x00000000746E0000-0x0000000074715000-memory.dmp	dridex_ldr
behavioral1/memory/2904-4-0x00000000746E0000-0x0000000074715000-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 2036 wrote to memory of 2904	2036	rundll32.exe	30
PID 2036 wrote to memory of 2904	2036	rundll32.exe	30
PID 2036 wrote to memory of 2904	2036	rundll32.exe	30
PID 2036 wrote to memory of 2904	2036	rundll32.exe	30
PID 2036 wrote to memory of 2904	2036	rundll32.exe	30
PID 2036 wrote to memory of 2904	2036	rundll32.exe	30
PID 2036 wrote to memory of 2904	2036	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fc518839cf0beb8f6b204a7e6982f12f2fa337ef5008e7e6301d2c2d821c880b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fc518839cf0beb8f6b204a7e6982f12f2fa337ef5008e7e6301d2c2d821c880b.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2904

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/2904-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2904-1-0x00000000746E0000-0x0000000074715000-memory.dmp

Filesize
212KB

Download
memory/2904-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2904-4-0x00000000746E0000-0x0000000074715000-memory.dmp

Filesize
212KB

Download