dridex | 691a96b20b7f10db38aff076a14e09a2b2bc63a4e72dabcfda1290a50223aa77

Analysis

max time kernel
126s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:52

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General

Target

JaffaCakes118_691a96b20b7f10db38aff076a14e09a2b2bc63a4e72dabcfda1290a50223aa77.dll
Size

162KB
MD5

b65aaf7f4e481bf168685e53705dee86
SHA1

c0acdf6f0ec450dee0a8993d6f096838913a0ae6
SHA256

691a96b20b7f10db38aff076a14e09a2b2bc63a4e72dabcfda1290a50223aa77
SHA512

b1b7d441eba2c24add9b05caf70de9340435daec6de63a285994a51757302037a87b567a12f4e764a7db09aae9c73fd0086a29e9fd91e61fdbcc397f1becb357
SSDEEP

3072:smNFcsGvTmf9vOmoM0IZ5kPjBxYvdIL2KyOQaOP8+cMTH1PxsMYQnF1b1l:1Lc7UtOpM1Z5k1xYO2LXjTH1pH5nF1p

Score

10^/10

dridex 40112 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1944-1-0x00000000752A0000-0x00000000752CE000-memory.dmp	dridex_ldr
behavioral1/memory/1944-4-0x00000000752A0000-0x00000000752CE000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

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 7 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 1944	1984	rundll32.exe	30
PID 1984 wrote to memory of 1944	1984	rundll32.exe	30
PID 1984 wrote to memory of 1944	1984	rundll32.exe	30
PID 1984 wrote to memory of 1944	1984	rundll32.exe	30
PID 1984 wrote to memory of 1944	1984	rundll32.exe	30
PID 1984 wrote to memory of 1944	1984	rundll32.exe	30
PID 1984 wrote to memory of 1944	1984	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_691a96b20b7f10db38aff076a14e09a2b2bc63a4e72dabcfda1290a50223aa77.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_691a96b20b7f10db38aff076a14e09a2b2bc63a4e72dabcfda1290a50223aa77.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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/1944-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1944-1-0x00000000752A0000-0x00000000752CE000-memory.dmp

Filesize
184KB

Download
memory/1944-3-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1944-4-0x00000000752A0000-0x00000000752CE000-memory.dmp

Filesize
184KB

Download