dridex | 4f8e715b421a38e6e33e80cb77a98728bc670f08d2afa1e297a52cfff8b54bcc

Analysis

max time kernel
17s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
10-06-2021 22:58

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General

Target

4f8e715b421a38e6e33e80cb77a98728bc670f08d2afa1e297a52cfff8b54bcc.dll
Size

170KB
MD5

54e206539fa96107dfdef5f160d7400a
SHA1

d686b5223e074ff3988670bb8dff140cdd183ab4
SHA256

4f8e715b421a38e6e33e80cb77a98728bc670f08d2afa1e297a52cfff8b54bcc
SHA512

7ab24cafa07e6956f4dfa98caabca09ebc77604a5ef05b1da1086a1076613950622eb63d112347fb0fe89f2a0cebd2bdfee75e11319e253fd637ecd043995eef

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 2668 created 3876 2668 WerFault.exe rundll32.exe

description	pid	process	target process
PID 2668 created 3876	2668	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/3876-115-0x0000000073A10000-0x0000000073A3F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2668 3876 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2668	3876	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
2668	WerFault.exe
2668	WerFault.exe
2668	WerFault.exe
2668	WerFault.exe
2668	WerFault.exe
2668	WerFault.exe
2668	WerFault.exe
2668	WerFault.exe
2668	WerFault.exe
2668	WerFault.exe
2668	WerFault.exe
2668	WerFault.exe
2668	WerFault.exe
2668	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2668 WerFault.exe
Token: SeBackupPrivilege 2668 WerFault.exe
Token: SeDebugPrivilege 2668 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	2668	WerFault.exe
Token: SeBackupPrivilege	2668	WerFault.exe
Token: SeDebugPrivilege	2668	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3916 wrote to memory of 3876	3916	rundll32.exe	rundll32.exe
PID 3916 wrote to memory of 3876	3916	rundll32.exe	rundll32.exe
PID 3916 wrote to memory of 3876	3916	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f8e715b421a38e6e33e80cb77a98728bc670f08d2afa1e297a52cfff8b54bcc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3916

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f8e715b421a38e6e33e80cb77a98728bc670f08d2afa1e297a52cfff8b54bcc.dll,#1
2⤵
PID:3876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3876 -s 616
3⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2668

MITRE ATT&CK Matrix

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Downloads

memory/3876-114-0x0000000000000000-mapping.dmp

Download
memory/3876-115-0x0000000073A10000-0x0000000073A3F000-memory.dmp

Filesize
188KB

Download
memory/3876-117-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads