dridex | a5b38e271468b2b59622e1a2339d100eeeb3cb0fbaede35a2c6a4a807145211c

Analysis

max time kernel
75s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:05

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General

Target

JaffaCakes118_a5b38e271468b2b59622e1a2339d100eeeb3cb0fbaede35a2c6a4a807145211c.dll
Size

160KB
MD5

64b2b5d985a26cd1607f3d469cd92474
SHA1

e8e4569f678f367368f98ce27072b26467203355
SHA256

a5b38e271468b2b59622e1a2339d100eeeb3cb0fbaede35a2c6a4a807145211c
SHA512

317eecfd99ef3cf0a452ce2961a414a2ee0a551e8774b58d829c41c6b551d23b06f5c56079d400ebeb81c74908db0754e678ce63b73fdd1a710b09f78c9dd0a1
SSDEEP

3072:aWX2IjzzpM+PncPeY8+O3AU3HRIHPh3UGfXy0BHNkIv/ScbQQ2y0iNM0+y+N0tc:a42IfzNPnoeY8j3AsHGPXpHNj6rByM3

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/1692-1-0x00000000753E0000-0x000000007540E000-memory.dmp	dridex_ldr
behavioral1/memory/1692-4-0x00000000753E0000-0x000000007540E000-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 1600 wrote to memory of 1692	1600	rundll32.exe	30
PID 1600 wrote to memory of 1692	1600	rundll32.exe	30
PID 1600 wrote to memory of 1692	1600	rundll32.exe	30
PID 1600 wrote to memory of 1692	1600	rundll32.exe	30
PID 1600 wrote to memory of 1692	1600	rundll32.exe	30
PID 1600 wrote to memory of 1692	1600	rundll32.exe	30
PID 1600 wrote to memory of 1692	1600	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a5b38e271468b2b59622e1a2339d100eeeb3cb0fbaede35a2c6a4a807145211c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a5b38e271468b2b59622e1a2339d100eeeb3cb0fbaede35a2c6a4a807145211c.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1692

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/1692-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1692-1-0x00000000753E0000-0x000000007540E000-memory.dmp

Filesize
184KB

Download
memory/1692-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1692-4-0x00000000753E0000-0x000000007540E000-memory.dmp

Filesize
184KB

Download