dridex | bad77309f398257a6d80ecd62f6ac8b3be35a234b7039a36e6e3903aed03a533

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 18:16

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General

Target

JaffaCakes118_bad77309f398257a6d80ecd62f6ac8b3be35a234b7039a36e6e3903aed03a533.dll
Size

177KB
MD5

618f36d1185a433c86522321da9ab7ad
SHA1

f5a535f19b7f0ff7979e3d25032eca551d9a61e8
SHA256

bad77309f398257a6d80ecd62f6ac8b3be35a234b7039a36e6e3903aed03a533
SHA512

411b4b9d24c0f50d84d217b5015352539d0b216a282b7b2c25b284570645f82856d9b4babfdc0078797fa40719bfde0822e568b97ffeb826a2f4ef7a74087a5f
SSDEEP

3072:6uCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJ:WzWxkOP4p2EesvcDi6DOHPJ

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2576-1-0x0000000074DA0000-0x0000000074DD1000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1724	2576	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 2620 wrote to memory of 2576	2620	rundll32.exe	30
PID 2620 wrote to memory of 2576	2620	rundll32.exe	30
PID 2620 wrote to memory of 2576	2620	rundll32.exe	30
PID 2620 wrote to memory of 2576	2620	rundll32.exe	30
PID 2620 wrote to memory of 2576	2620	rundll32.exe	30
PID 2620 wrote to memory of 2576	2620	rundll32.exe	30
PID 2620 wrote to memory of 2576	2620	rundll32.exe	30
PID 2576 wrote to memory of 1724	2576	rundll32.exe	32
PID 2576 wrote to memory of 1724	2576	rundll32.exe	32
PID 2576 wrote to memory of 1724	2576	rundll32.exe	32
PID 2576 wrote to memory of 1724	2576	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bad77309f398257a6d80ecd62f6ac8b3be35a234b7039a36e6e3903aed03a533.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2620
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bad77309f398257a6d80ecd62f6ac8b3be35a234b7039a36e6e3903aed03a533.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2576
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2576 -s 220
    3⤵
    - Program crash
    PID:1724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2576-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2576-1-0x0000000074DA0000-0x0000000074DD1000-memory.dmp

Filesize
196KB

Download
memory/2576-4-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download