dridex | 766602e2c755b0dda8b51d35f358b4a17c13484e3700434b7f007fc39e2639b6

Analysis

max time kernel
69s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 23:32

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General

Target

JaffaCakes118_766602e2c755b0dda8b51d35f358b4a17c13484e3700434b7f007fc39e2639b6.dll
Size

160KB
MD5

5f50eaaba56f0af63ba506024c0cc86f
SHA1

7c93cc588378871709fb2688b12d4c889d752db9
SHA256

766602e2c755b0dda8b51d35f358b4a17c13484e3700434b7f007fc39e2639b6
SHA512

61691449dcf5a4ebef5e76cdbe1a77705940dcf4ad9ea8e5cb22d57035e2b9df26cccba737edcecde4a1cf2bac1386939dbb7e245da1558e924c547165a84bf0
SSDEEP

3072:iIT2d85tleLD51fC5AHYEoefukoTFMpGmje8D:8y5tAL11fNHYafoMpX

Score

10^/10

dridex 22201 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

22201

78.46.73.125:443

185.148.168.26:2303

66.113.160.126:8172

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/2100-1-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr
behavioral1/memory/2100-2-0x0000000010000000-0x000000001002E000-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 2128 wrote to memory of 2100	2128	rundll32.exe	30
PID 2128 wrote to memory of 2100	2128	rundll32.exe	30
PID 2128 wrote to memory of 2100	2128	rundll32.exe	30
PID 2128 wrote to memory of 2100	2128	rundll32.exe	30
PID 2128 wrote to memory of 2100	2128	rundll32.exe	30
PID 2128 wrote to memory of 2100	2128	rundll32.exe	30
PID 2128 wrote to memory of 2100	2128	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_766602e2c755b0dda8b51d35f358b4a17c13484e3700434b7f007fc39e2639b6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_766602e2c755b0dda8b51d35f358b4a17c13484e3700434b7f007fc39e2639b6.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2100

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

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Downloads

memory/2100-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2100-1-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2100-2-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/2100-3-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download