dridex | 55b4c7f19dc10e5a82b0914c45ebf7092501c00e3097f09bd176fd38e14961cd

Analysis

max time kernel
109s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 21:14

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General

Target

JaffaCakes118_55b4c7f19dc10e5a82b0914c45ebf7092501c00e3097f09bd176fd38e14961cd.dll
Size

162KB
MD5

698b0fe6bb6ec30081df1c2f74eb7bd1
SHA1

a8bbcb6be13c1db63b3aeba32a919530a2fe5645
SHA256

55b4c7f19dc10e5a82b0914c45ebf7092501c00e3097f09bd176fd38e14961cd
SHA512

94acfb307d8cac4051807e3416025305646f042023a238e1ab9eb6aa6b8d09527ad693ae7a9a0fa867eec8811a2aa5127d854153bd4b6d6353ee1f914210760b
SSDEEP

3072:XmNFcsGvTmf9vOmoM0IZ5kPjBxYvdIL2KyOQaOP8+cMTH1PxsMYQnF1b1l:2Lc7UtOpM1Z5k1xYO2LXjTH1pH5nF1p

Score

10^/10

dridex 40112 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

rc4.plain

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2360-1-0x0000000074590000-0x00000000745BE000-memory.dmp	dridex_ldr
behavioral1/memory/2360-3-0x0000000074590000-0x00000000745BE000-memory.dmp	dridex_ldr

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 2372 wrote to memory of 2360	2372	rundll32.exe	30
PID 2372 wrote to memory of 2360	2372	rundll32.exe	30
PID 2372 wrote to memory of 2360	2372	rundll32.exe	30
PID 2372 wrote to memory of 2360	2372	rundll32.exe	30
PID 2372 wrote to memory of 2360	2372	rundll32.exe	30
PID 2372 wrote to memory of 2360	2372	rundll32.exe	30
PID 2372 wrote to memory of 2360	2372	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_55b4c7f19dc10e5a82b0914c45ebf7092501c00e3097f09bd176fd38e14961cd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_55b4c7f19dc10e5a82b0914c45ebf7092501c00e3097f09bd176fd38e14961cd.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2360

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/2360-0-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2360-1-0x0000000074590000-0x00000000745BE000-memory.dmp

Filesize
184KB

Download
memory/2360-4-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2360-3-0x0000000074590000-0x00000000745BE000-memory.dmp

Filesize
184KB

Download