dridex | a337fc9cda021b86405b5ef1dbe46f2ed88b9f43083702e1dff20b2b3fa529d9

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 00:15

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General

Target

JaffaCakes118_a337fc9cda021b86405b5ef1dbe46f2ed88b9f43083702e1dff20b2b3fa529d9.dll
Size

177KB
MD5

a745ca21acc73a70721ebeb2aa49e23c
SHA1

a7e589839a8762ff1226ffe1d1ef2be32a2f433f
SHA256

a337fc9cda021b86405b5ef1dbe46f2ed88b9f43083702e1dff20b2b3fa529d9
SHA512

57552e9289d26fe6497804c8db15b33b5f5cd2293839ec875b67d5eb1058c96fb20c04dcb0afa2f272fd062c921eff73a2496f29cc70430d8c99ed97dd4d8309
SSDEEP

3072:KoNQK/z2dvUgKrjbeSUAjnERwDkCWptcvcb8qgAE0A2C8FQUVac8SurKI6bl/g:FaIzLgKrjbvUAjERycp6c8qgATA2TQUr

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

45.79.91.89:9987

157.245.231.228:6051

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/2308-1-0x0000000074CE0000-0x0000000074D10000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2792	2308	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 2392 wrote to memory of 2308	2392	rundll32.exe	31
PID 2392 wrote to memory of 2308	2392	rundll32.exe	31
PID 2392 wrote to memory of 2308	2392	rundll32.exe	31
PID 2392 wrote to memory of 2308	2392	rundll32.exe	31
PID 2392 wrote to memory of 2308	2392	rundll32.exe	31
PID 2392 wrote to memory of 2308	2392	rundll32.exe	31
PID 2392 wrote to memory of 2308	2392	rundll32.exe	31
PID 2308 wrote to memory of 2792	2308	rundll32.exe	32
PID 2308 wrote to memory of 2792	2308	rundll32.exe	32
PID 2308 wrote to memory of 2792	2308	rundll32.exe	32
PID 2308 wrote to memory of 2792	2308	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a337fc9cda021b86405b5ef1dbe46f2ed88b9f43083702e1dff20b2b3fa529d9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a337fc9cda021b86405b5ef1dbe46f2ed88b9f43083702e1dff20b2b3fa529d9.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2308
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 232
    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/2308-0-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/2308-1-0x0000000074CE0000-0x0000000074D10000-memory.dmp

Filesize
192KB

Download
memory/2308-4-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download