dridex | b4f4e82ed5bd7d5b27af2ab1dd2a71f90c97012c53117841da6300f9e2882f85

Analysis

max time kernel
25s
max time network
119s
platform
windows10_x64
resource
win10v20210408
submitted
11-06-2021 03:31

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General

Target

b4f4e82ed5bd7d5b27af2ab1dd2a71f90c97012c53117841da6300f9e2882f85.dll
Size

170KB
MD5

060351ef5abb400fb9e916b5d91ceddc
SHA1

b3605c9cb634065fb137c02d03cb129248b09618
SHA256

b4f4e82ed5bd7d5b27af2ab1dd2a71f90c97012c53117841da6300f9e2882f85
SHA512

762d75b480e5dccf6aae19e69d6d9f51159234a9f790343fb8c6597ea03ae88e4be092f41747d3f8b9e185b1fcb24984b763a65e66db31adafd3b1a143987bf3

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

210.65.244.187:443

162.241.41.92:2303

46.231.204.10:8172

185.183.159.100:4125

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 1420 created 1480 1420 WerFault.exe rundll32.exe

description	pid	process	target process
PID 1420 created 1480	1420	WerFault.exe	rundll32.exe

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1480-115-0x00000000742C0000-0x00000000742EF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1420 1480 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1420	1480	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
1420	WerFault.exe
1420	WerFault.exe
1420	WerFault.exe
1420	WerFault.exe
1420	WerFault.exe
1420	WerFault.exe
1420	WerFault.exe
1420	WerFault.exe
1420	WerFault.exe
1420	WerFault.exe
1420	WerFault.exe
1420	WerFault.exe
1420	WerFault.exe
1420	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1420 WerFault.exe
Token: SeBackupPrivilege 1420 WerFault.exe
Token: SeDebugPrivilege 1420 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	1420	WerFault.exe
Token: SeBackupPrivilege	1420	WerFault.exe
Token: SeDebugPrivilege	1420	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 672 wrote to memory of 1480	672	rundll32.exe	rundll32.exe
PID 672 wrote to memory of 1480	672	rundll32.exe	rundll32.exe
PID 672 wrote to memory of 1480	672	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4f4e82ed5bd7d5b27af2ab1dd2a71f90c97012c53117841da6300f9e2882f85.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:672

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4f4e82ed5bd7d5b27af2ab1dd2a71f90c97012c53117841da6300f9e2882f85.dll,#1
2⤵
PID:1480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1480 -s 648
3⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1420

MITRE ATT&CK Matrix

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Downloads

memory/1480-114-0x0000000000000000-mapping.dmp

Download
memory/1480-115-0x00000000742C0000-0x00000000742EF000-memory.dmp

Filesize
188KB

Download
memory/1480-117-0x0000000003450000-0x0000000003456000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads