dridex | 41b452096fc54346337203cf0d796cb25b3016afeaa0149fd77f7befb9256190

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 20:10

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General

Target

JaffaCakes118_41b452096fc54346337203cf0d796cb25b3016afeaa0149fd77f7befb9256190.dll
Size

172KB
MD5

f066900f9e9ba0330dafde52adb7e0ad
SHA1

b6441b3fa77e25c9ada1cc21cfbdedd802bffa9c
SHA256

41b452096fc54346337203cf0d796cb25b3016afeaa0149fd77f7befb9256190
SHA512

85c5ccdda8a3c98828fd00e03760486c6f2d602b5db8d0b0542cc70abf8df47c58dbcfb662a5454b1ba0a5f9fb227e1d3c30b71bd2832f6747460001c2ad3938
SSDEEP

3072:nWpY/Syz2ita3Un6oaxewXvR2GNYHj8z+7/VczU9vh46WIOY4zmo3zAGW+r:nWpY/S8Z83VewfR2GyxVcA5hvjRCmikG

Score

10^/10

dridex 40112 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

40112

210.65.244.187:443

162.241.41.92:2303

46.231.204.10:8172

185.183.159.100:4125

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/988-1-0x0000000074A90000-0x0000000074AC0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2792	988	WerFault.exe	31

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 11 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 988	1668	rundll32.exe	31
PID 1668 wrote to memory of 988	1668	rundll32.exe	31
PID 1668 wrote to memory of 988	1668	rundll32.exe	31
PID 1668 wrote to memory of 988	1668	rundll32.exe	31
PID 1668 wrote to memory of 988	1668	rundll32.exe	31
PID 1668 wrote to memory of 988	1668	rundll32.exe	31
PID 1668 wrote to memory of 988	1668	rundll32.exe	31
PID 988 wrote to memory of 2792	988	rundll32.exe	32
PID 988 wrote to memory of 2792	988	rundll32.exe	32
PID 988 wrote to memory of 2792	988	rundll32.exe	32
PID 988 wrote to memory of 2792	988	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41b452096fc54346337203cf0d796cb25b3016afeaa0149fd77f7befb9256190.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41b452096fc54346337203cf0d796cb25b3016afeaa0149fd77f7befb9256190.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:988
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 988 -s 256
    3⤵
    - Program crash
    PID:2792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/988-0-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/988-1-0x0000000074A90000-0x0000000074AC0000-memory.dmp

Filesize
192KB

Download
memory/988-3-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download