dridex | e4b081ac72283653e37c7d82ee9bc487ffd73759b8fd0721ece108ed839fee5b

Analysis

max time kernel
100s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2024, 19:31

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General

Target

JaffaCakes118_e4b081ac72283653e37c7d82ee9bc487ffd73759b8fd0721ece108ed839fee5b.dll
Size

162KB
MD5

35fd083caf593bc7cd7aa297528fb631
SHA1

ee4d3c087a6c08a7e0f14838218d2b02bdd03aba
SHA256

e4b081ac72283653e37c7d82ee9bc487ffd73759b8fd0721ece108ed839fee5b
SHA512

f5a666363cccf1e5fe73dd0f2e5398c1becb8cbb7c12b85b21247ea47b8a1d7bd42c820664a50a8d1a96178c2f59abe9826f9ffa84ab5056f4740fc316135a91
SSDEEP

3072:kmNFcsGvTmf9vOmoM0IZ5kPjBxYvdIL2KyOQaOP8+cMTH1PxsMYQnF1b1l:tLc7UtOpM1Z5k1xYO2LXjTH1pH5nF1p

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
behavioral2/memory/116-1-0x0000000074DA0000-0x0000000074DCE000-memory.dmp	dridex_ldr
behavioral2/memory/116-4-0x0000000074DA0000-0x0000000074DCE000-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 3 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 116	1856	rundll32.exe	82
PID 1856 wrote to memory of 116	1856	rundll32.exe	82
PID 1856 wrote to memory of 116	1856	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e4b081ac72283653e37c7d82ee9bc487ffd73759b8fd0721ece108ed839fee5b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e4b081ac72283653e37c7d82ee9bc487ffd73759b8fd0721ece108ed839fee5b.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:116

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/116-0-0x0000000001790000-0x0000000001796000-memory.dmp

Filesize
24KB

Download
memory/116-1-0x0000000074DA0000-0x0000000074DCE000-memory.dmp

Filesize
184KB

Download
memory/116-3-0x0000000001790000-0x0000000001796000-memory.dmp

Filesize
24KB

Download
memory/116-4-0x0000000074DA0000-0x0000000074DCE000-memory.dmp

Filesize
184KB

Download