dridex | d34289f82d47d757bf7f5eec58f2a138983c0f41e450fff56c64dc3ab3bb2b25

Analysis

max time kernel
142s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19/12/2023, 10:51

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General

Target

0d7b5a19cb7ce9d10661a0b61ab0722e.dll
Size

608KB
MD5

0d7b5a19cb7ce9d10661a0b61ab0722e
SHA1

e6a298b811b71269579bd63af77650ee4c9728bc
SHA256

d34289f82d47d757bf7f5eec58f2a138983c0f41e450fff56c64dc3ab3bb2b25
SHA512

3fc8667211ae1cf85deb6889b0eded4c4cfe417e19ff7a17561909b8e0b257f63e9de84eb9a34f786d1542279d2ec69c6f17e12e02f912f02a0ef57c777d57c2
SSDEEP

12288:KZGQdqOG2VJqydLqQSeCqsVK8kPRGO35N9mVNzXc6:KZ0OWjeCVVK8kP9N9oR

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

174.128.245.202:443

51.83.3.52:13786

69.64.50.41:6602

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	2672	rundll32.exe
5	2672	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

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 2672	1760	rundll32.exe	28
PID 1760 wrote to memory of 2672	1760	rundll32.exe	28
PID 1760 wrote to memory of 2672	1760	rundll32.exe	28
PID 1760 wrote to memory of 2672	1760	rundll32.exe	28
PID 1760 wrote to memory of 2672	1760	rundll32.exe	28
PID 1760 wrote to memory of 2672	1760	rundll32.exe	28
PID 1760 wrote to memory of 2672	1760	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0d7b5a19cb7ce9d10661a0b61ab0722e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0d7b5a19cb7ce9d10661a0b61ab0722e.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:2672

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2672-0-0x0000000001DF0000-0x0000000001F24000-memory.dmp

Filesize
1.2MB

Download
memory/2672-2-0x0000000001DF0000-0x0000000001F24000-memory.dmp

Filesize
1.2MB

Download
memory/2672-4-0x0000000001DF0000-0x0000000001F24000-memory.dmp

Filesize
1.2MB

Download
memory/2672-6-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/2672-3-0x0000000001DF0000-0x0000000001F24000-memory.dmp

Filesize
1.2MB

Download
memory/2672-7-0x0000000001DF0000-0x0000000001F24000-memory.dmp

Filesize
1.2MB

Download
memory/2672-9-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download