dridex | f77e8dd84fa7af999356cc12cb682c619ddb79abe4b7d6bbc2d4a82ebc10704e

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 19:57 UTC

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General

Target

JaffaCakes118_f77e8dd84fa7af999356cc12cb682c619ddb79abe4b7d6bbc2d4a82ebc10704e.dll
Size

184KB
MD5

849632f274bacfae70fbc631a0a05050
SHA1

4b31bba6dfa43684586006fb9fd3a880f5abd99a
SHA256

f77e8dd84fa7af999356cc12cb682c619ddb79abe4b7d6bbc2d4a82ebc10704e
SHA512

c2192f8a9907f6e0cd980f4bf88975c1c2205f2c891880383ebbaf77843227120e2d981909ef34ed981fd168c01ceea2b205bfe85eac9a7dc99263c8875babef
SSDEEP

3072:BiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoQlzoxss7:BiLVCIT4WK2z1W+CUHZj4Skq/eaouoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

rc4.plain

1
XH2KyJtcJ7RSk5n0Ak2zUIsoefdhHZlKRYf

rc4.plain

1
4kmGii2PxD0nUmTK0vPB5SKEDW52nDGZTaRL4tBBLTmujo5lrSKFODpSSewAaVVxr3oshb5

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/1832-1-0x0000000074FA0000-0x0000000074FCF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2420	1832	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 2416 wrote to memory of 1832	2416	rundll32.exe	30
PID 2416 wrote to memory of 1832	2416	rundll32.exe	30
PID 2416 wrote to memory of 1832	2416	rundll32.exe	30
PID 2416 wrote to memory of 1832	2416	rundll32.exe	30
PID 2416 wrote to memory of 1832	2416	rundll32.exe	30
PID 2416 wrote to memory of 1832	2416	rundll32.exe	30
PID 2416 wrote to memory of 1832	2416	rundll32.exe	30
PID 1832 wrote to memory of 2420	1832	rundll32.exe	31
PID 1832 wrote to memory of 2420	1832	rundll32.exe	31
PID 1832 wrote to memory of 2420	1832	rundll32.exe	31
PID 1832 wrote to memory of 2420	1832	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f77e8dd84fa7af999356cc12cb682c619ddb79abe4b7d6bbc2d4a82ebc10704e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f77e8dd84fa7af999356cc12cb682c619ddb79abe4b7d6bbc2d4a82ebc10704e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1832
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1832 -s 220
    3⤵
    - Program crash
    PID:2420

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/1832-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1832-1-0x0000000074FA0000-0x0000000074FCF000-memory.dmp

Filesize
188KB

Download
memory/1832-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

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