dridex | e0bdc9881ce6a55b4afcf6e7405b0287d7f8c7195f7433d0fb306ddac628d834

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
21-08-2024 05:20

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General

Target

b23c2e9a3109113726d429c974e58d53_JaffaCakes118.dll
Size

1.0MB
MD5

b23c2e9a3109113726d429c974e58d53
SHA1

826b23acd3fa4840383a4ca912b30417adb3ad57
SHA256

e0bdc9881ce6a55b4afcf6e7405b0287d7f8c7195f7433d0fb306ddac628d834
SHA512

9d2b91fc0581729f1e4c559b14b731d6c6457cef54deedec90a771985ae7f754bca24ee8a27d4194522db09002b07e9e1e9776d8995d19608543cfb4983f48eb
SSDEEP

24576:X9umPtwAiyvA/7bGIkFXNr9ypZQf3E/DzLhukd5TkWCfgZgugu:t3Pvo/3G9XNr2A38XhDTkpfgZgugu

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

209.20.87.138:443

198.1.115.153:8172

151.236.29.248:6516

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow	pid	Process
3	2692	rundll32.exe
5	2692	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

rundll32.exe

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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 1988 wrote to memory of 2692	1988	rundll32.exe	30
PID 1988 wrote to memory of 2692	1988	rundll32.exe	30
PID 1988 wrote to memory of 2692	1988	rundll32.exe	30
PID 1988 wrote to memory of 2692	1988	rundll32.exe	30
PID 1988 wrote to memory of 2692	1988	rundll32.exe	30
PID 1988 wrote to memory of 2692	1988	rundll32.exe	30
PID 1988 wrote to memory of 2692	1988	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b23c2e9a3109113726d429c974e58d53_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1988
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b23c2e9a3109113726d429c974e58d53_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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/2692-0-0x000000007462A000-0x000000007462E000-memory.dmp

Filesize
16KB

Download
memory/2692-3-0x0000000074520000-0x000000007468A000-memory.dmp

Filesize
1.4MB

Download
memory/2692-1-0x0000000074520000-0x000000007468A000-memory.dmp

Filesize
1.4MB

Download
memory/2692-4-0x000000007462A000-0x000000007462E000-memory.dmp

Filesize
16KB

Download
memory/2692-5-0x0000000074520000-0x000000007468A000-memory.dmp

Filesize
1.4MB

Download