dridex | 0c262ad9b5f041419149ee032e82abe2f7d06d263de648214c2a484436587d9a

Analysis

max time kernel
140s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
27-06-2024 12:27

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General

Target

16017353e67868fd3b785aa22db51efb_JaffaCakes118.dll
Size

168KB
MD5

16017353e67868fd3b785aa22db51efb
SHA1

c85f9fca75fab04d74bbece3c180f318d55581dd
SHA256

0c262ad9b5f041419149ee032e82abe2f7d06d263de648214c2a484436587d9a
SHA512

ac6e5395d17aa97fd0fd2b7748c7525b139a339b9f86e14a714bc57d193af4c825c0584a446830a3fb51d68687be6f193412bab7d3c86efc5e32836454a56586
SSDEEP

3072:p+rGFFRCMcyzAAykMPqIaXpZYnvf3gx4wblxLSoIm/H2QKGB2gC:p+rGFFlXAAcqj8nHgfOoIdG

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

173.203.78.138:443

217.160.107.189:6601

77.220.64.150:5037

rc4.plain

Signatures

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

Dridex Loader 3 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/1200-0-0x0000000075250000-0x000000007527C000-memory.dmp	dridex_ldr
behavioral2/memory/1200-2-0x0000000075250000-0x000000007527C000-memory.dmp	dridex_ldr
behavioral2/memory/1200-3-0x0000000075250000-0x000000007527C000-memory.dmp	dridex_ldr

Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

31 1200 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

flow	pid	process
31	1200	rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2376 wrote to memory of 1200	2376	rundll32.exe	rundll32.exe
PID 2376 wrote to memory of 1200	2376	rundll32.exe	rundll32.exe
PID 2376 wrote to memory of 1200	2376	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\16017353e67868fd3b785aa22db51efb_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2376

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\16017353e67868fd3b785aa22db51efb_JaffaCakes118.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1200

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1200-0-0x0000000075250000-0x000000007527C000-memory.dmp

Filesize
176KB

Download
memory/1200-1-0x0000000000D40000-0x0000000000D46000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000075250000-0x000000007527C000-memory.dmp

Filesize
176KB

Download
memory/1200-3-0x0000000075250000-0x000000007527C000-memory.dmp

Filesize
176KB

Download