dridex | 5a075dc12060aac4e133919f21956d0684c31df72ea5bac1b1e543ffe3696f69

Analysis

max time kernel
120s
max time network
128s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 23:02

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General

Target

JaffaCakes118_5a075dc12060aac4e133919f21956d0684c31df72ea5bac1b1e543ffe3696f69.dll
Size

184KB
MD5

54d044b77337827b79c3c9a7881e5eef
SHA1

d44524df58cf7da9a4e13af71506160b70a11657
SHA256

5a075dc12060aac4e133919f21956d0684c31df72ea5bac1b1e543ffe3696f69
SHA512

06b2aa03c968524291bf2b713e59de2ff687dbc6ef34413ecc7cfb04559c83c4b5185ee42d652537fa392db57f90b3af789c04c2fd010d99da5a31a9fdb87767
SSDEEP

3072:siLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoMlzoxss7:siLVCIT4WK2z1W+CUHZj4Skq/eaoyoC

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

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/1736-0-0x0000000075090000-0x00000000750BF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2104	1736	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 1992 wrote to memory of 1736	1992	rundll32.exe	30
PID 1992 wrote to memory of 1736	1992	rundll32.exe	30
PID 1992 wrote to memory of 1736	1992	rundll32.exe	30
PID 1992 wrote to memory of 1736	1992	rundll32.exe	30
PID 1992 wrote to memory of 1736	1992	rundll32.exe	30
PID 1992 wrote to memory of 1736	1992	rundll32.exe	30
PID 1992 wrote to memory of 1736	1992	rundll32.exe	30
PID 1736 wrote to memory of 2104	1736	rundll32.exe	32
PID 1736 wrote to memory of 2104	1736	rundll32.exe	32
PID 1736 wrote to memory of 2104	1736	rundll32.exe	32
PID 1736 wrote to memory of 2104	1736	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5a075dc12060aac4e133919f21956d0684c31df72ea5bac1b1e543ffe3696f69.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5a075dc12060aac4e133919f21956d0684c31df72ea5bac1b1e543ffe3696f69.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1736
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1736 -s 220
    3⤵
    - Program crash
    PID:2104

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/1736-0-0x0000000075090000-0x00000000750BF000-memory.dmp

Filesize
188KB

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memory/1736-2-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

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