dridex | ac152e73957a8cb702eb7f18bb38e2bf92e4702e108ac71d403b829600b2029f

Analysis

max time kernel
140s
max time network
121s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
18-08-2024 02:08

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General

Target

a4fac616a87e9b6a069d06bfc41e8dce_JaffaCakes118.dll
Size

920KB
MD5

a4fac616a87e9b6a069d06bfc41e8dce
SHA1

7539824aa549a6c1abdad3e4c96ea2184f654877
SHA256

ac152e73957a8cb702eb7f18bb38e2bf92e4702e108ac71d403b829600b2029f
SHA512

5fe79324231a84ba6497fa61c6a14b70b3b8073071e807e09f5d98089c1693b066953d2f26b385d59e78554d55e8ce7c05f875aacebacb3c434ed4850e9d374c
SSDEEP

24576:s8WfnaVoffEQmyO378WTkvEKT9Hgce1BHbogCm:/uaq34yDWTkvvT9HgdbogC

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

flow	pid	Process
3	2224	rundll32.exe
5	2224	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

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 2488 wrote to memory of 2224	2488	rundll32.exe	30
PID 2488 wrote to memory of 2224	2488	rundll32.exe	30
PID 2488 wrote to memory of 2224	2488	rundll32.exe	30
PID 2488 wrote to memory of 2224	2488	rundll32.exe	30
PID 2488 wrote to memory of 2224	2488	rundll32.exe	30
PID 2488 wrote to memory of 2224	2488	rundll32.exe	30
PID 2488 wrote to memory of 2224	2488	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a4fac616a87e9b6a069d06bfc41e8dce_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a4fac616a87e9b6a069d06bfc41e8dce_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2224

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

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Downloads

memory/2224-0-0x0000000074D85000-0x0000000074D89000-memory.dmp

Filesize
16KB

Download
memory/2224-3-0x0000000074CA0000-0x0000000074DE1000-memory.dmp

Filesize
1.3MB

Download
memory/2224-1-0x0000000074CA0000-0x0000000074DE1000-memory.dmp

Filesize
1.3MB

Download
memory/2224-4-0x0000000074CA0000-0x0000000074DE1000-memory.dmp

Filesize
1.3MB

Download
memory/2224-5-0x0000000074D85000-0x0000000074D89000-memory.dmp

Filesize
16KB

Download
memory/2224-6-0x0000000074CA0000-0x0000000074DE1000-memory.dmp

Filesize
1.3MB

Download