dridex | 31f8755bc0334c23f4fb15f0619a1cf0d0c2e591dad9a7b91cd3ebc5d6f7b199

Analysis

max time kernel
26s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 05:26

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General

Target

JaffaCakes118_31f8755bc0334c23f4fb15f0619a1cf0d0c2e591dad9a7b91cd3ebc5d6f7b199.dll
Size

166KB
MD5

9781daf754a541ae00d0b4481eee374d
SHA1

66f3eb523b3670abadd91da24258d59a849fb4f9
SHA256

31f8755bc0334c23f4fb15f0619a1cf0d0c2e591dad9a7b91cd3ebc5d6f7b199
SHA512

68ac9e1c3d22ec277de72d32ab4ee560a3edd845bbed28c3a6e59a639d1ff25a880833d78f1e6e1cd1261a35899ef571373ee825ce88ebf1d6bd28c06dad65d4
SSDEEP

3072:NuFbQtsYQcjxanytIp92/l1iPPqs1/whG68DaHrnpDZ+eE:N0czbty9uiaJlHE

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

131.100.24.202:443

193.160.214.95:4125

67.43.4.76:8172

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/3000-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2948	3000	WerFault.exe	30

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 2248 wrote to memory of 3000	2248	rundll32.exe	30
PID 2248 wrote to memory of 3000	2248	rundll32.exe	30
PID 2248 wrote to memory of 3000	2248	rundll32.exe	30
PID 2248 wrote to memory of 3000	2248	rundll32.exe	30
PID 2248 wrote to memory of 3000	2248	rundll32.exe	30
PID 2248 wrote to memory of 3000	2248	rundll32.exe	30
PID 2248 wrote to memory of 3000	2248	rundll32.exe	30
PID 3000 wrote to memory of 2948	3000	rundll32.exe	31
PID 3000 wrote to memory of 2948	3000	rundll32.exe	31
PID 3000 wrote to memory of 2948	3000	rundll32.exe	31
PID 3000 wrote to memory of 2948	3000	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31f8755bc0334c23f4fb15f0619a1cf0d0c2e591dad9a7b91cd3ebc5d6f7b199.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31f8755bc0334c23f4fb15f0619a1cf0d0c2e591dad9a7b91cd3ebc5d6f7b199.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3000
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3000 -s 264
    3⤵
    - Program crash
    PID:2948

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

Replay Monitor

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Downloads

memory/3000-0-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/3000-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/3000-3-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

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