dridex | 332cf63749f3d0d774dd96b408c170846c6cb8ab4c476a91b82cbc379d44d690

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
23-08-2024 05:57

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General

Target

ba9c15b074368f545da5e615c81219ae_JaffaCakes118.dll
Size

168KB
MD5

ba9c15b074368f545da5e615c81219ae
SHA1

b079f2a8e4c06118693e52b8e278b2ae7ef5384e
SHA256

332cf63749f3d0d774dd96b408c170846c6cb8ab4c476a91b82cbc379d44d690
SHA512

63b6582db33a6d628517463d03ab077b9c8918e854df935e6312f2165b160c29aba01c98723ccdef4ba0bf13b67b9743104f1f8630febcbf759f8b7ae94df59b
SSDEEP

3072:z+rGFFRCMcyzAAykMPqIaXpZYnvf3gx4wblxLSoIm/H2QKGB2gC:z+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
behavioral1/memory/2820-1-0x00000000750D0000-0x00000000750FC000-memory.dmp	dridex_ldr
behavioral1/memory/2820-2-0x00000000750D0000-0x00000000750FC000-memory.dmp	dridex_ldr
behavioral1/memory/2820-7-0x00000000750D0000-0x00000000750FC000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow	pid	Process
3	2820	rundll32.exe
7	2820	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 2364 wrote to memory of 2820	2364	rundll32.exe	30
PID 2364 wrote to memory of 2820	2364	rundll32.exe	30
PID 2364 wrote to memory of 2820	2364	rundll32.exe	30
PID 2364 wrote to memory of 2820	2364	rundll32.exe	30
PID 2364 wrote to memory of 2820	2364	rundll32.exe	30
PID 2364 wrote to memory of 2820	2364	rundll32.exe	30
PID 2364 wrote to memory of 2820	2364	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ba9c15b074368f545da5e615c81219ae_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ba9c15b074368f545da5e615c81219ae_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2820

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/2820-0-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/2820-1-0x00000000750D0000-0x00000000750FC000-memory.dmp

Filesize
176KB

Download
memory/2820-2-0x00000000750D0000-0x00000000750FC000-memory.dmp

Filesize
176KB

Download
memory/2820-3-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/2820-7-0x00000000750D0000-0x00000000750FC000-memory.dmp

Filesize
176KB

Download