dridex | b633c347e08e28fb3f88ef91e467d6c482476ab8ad77cd3443a9cb76a34ba444

Analysis

max time kernel
25s
max time network
119s
platform
windows10_x64
resource
win10v20210408
submitted
20-06-2021 22:54

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General

Target

b633c347e08e28fb3f88ef91e467d6c482476ab8ad77cd3443a9cb76a34ba444.dll
Size

173KB
MD5

f24942f4164213e0579f35767466fba6
SHA1

75d185cf11c73da176ba1f37c09180cd1d4496fe
SHA256

b633c347e08e28fb3f88ef91e467d6c482476ab8ad77cd3443a9cb76a34ba444
SHA512

ff3f79c724b8355d80f28c459a668f23ea19a6d4a8febf718a17c690334d35eb9bb439ba3acf7305dd959dd1cfe7beba381fd22f9c267a64bd7d2426745e122b

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

94.23.86.141:13783

62.75.161.205:2303

162.214.188.105:8172

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/3396-115-0x0000000073F20000-0x0000000073F50000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3720 3396 WerFault.exe rundll32.exe

pid	pid_target	process	target process
3720	3396	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
3720	WerFault.exe
3720	WerFault.exe
3720	WerFault.exe
3720	WerFault.exe
3720	WerFault.exe
3720	WerFault.exe
3720	WerFault.exe
3720	WerFault.exe
3720	WerFault.exe
3720	WerFault.exe
3720	WerFault.exe
3720	WerFault.exe
3720	WerFault.exe
3720	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 3720 WerFault.exe
Token: SeBackupPrivilege 3720 WerFault.exe
Token: SeDebugPrivilege 3720 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	3720	WerFault.exe
Token: SeBackupPrivilege	3720	WerFault.exe
Token: SeDebugPrivilege	3720	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3728 wrote to memory of 3396	3728	rundll32.exe	rundll32.exe
PID 3728 wrote to memory of 3396	3728	rundll32.exe	rundll32.exe
PID 3728 wrote to memory of 3396	3728	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b633c347e08e28fb3f88ef91e467d6c482476ab8ad77cd3443a9cb76a34ba444.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3728

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b633c347e08e28fb3f88ef91e467d6c482476ab8ad77cd3443a9cb76a34ba444.dll,#1
2⤵
PID:3396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3396 -s 644
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3720

MITRE ATT&CK Matrix

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Downloads

memory/3396-114-0x0000000000000000-mapping.dmp

Download
memory/3396-115-0x0000000073F20000-0x0000000073F50000-memory.dmp

Filesize
192KB

Download
memory/3396-117-0x0000000000400000-0x000000000054A000-memory.dmp

Filesize
1.3MB

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads