dridex | 623712580ac614737e98043b503ea593b050c099a0f2a67e24c4d168c27e4e55

Analysis

max time kernel
18s
max time network
128s
platform
windows10_x64
resource
win10v20210410
submitted
11-06-2021 02:21

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General

Target

623712580ac614737e98043b503ea593b050c099a0f2a67e24c4d168c27e4e55.dll
Size

170KB
MD5

e90da6030f64b2092bcda49fdcb376e3
SHA1

23d301988059d54b47042f76c91c51510dc647d5
SHA256

623712580ac614737e98043b503ea593b050c099a0f2a67e24c4d168c27e4e55
SHA512

79d82216e82f69af75706338d9b0fc006b843bb0db30898e35edc95de646531cfcafe72a5d811e7ef788164be916d40e0a6894857a84b4251b8b1cf0ed61e145

Score

10^/10

dridex 40112 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

40112

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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/3860-115-0x0000000073A10000-0x0000000073A40000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1976 3860 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1976	3860	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
1976	WerFault.exe
1976	WerFault.exe
1976	WerFault.exe
1976	WerFault.exe
1976	WerFault.exe
1976	WerFault.exe
1976	WerFault.exe
1976	WerFault.exe
1976	WerFault.exe
1976	WerFault.exe
1976	WerFault.exe
1976	WerFault.exe
1976	WerFault.exe
1976	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1976 WerFault.exe
Token: SeBackupPrivilege 1976 WerFault.exe
Token: SeDebugPrivilege 1976 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	1976	WerFault.exe
Token: SeBackupPrivilege	1976	WerFault.exe
Token: SeDebugPrivilege	1976	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3892 wrote to memory of 3860	3892	rundll32.exe	rundll32.exe
PID 3892 wrote to memory of 3860	3892	rundll32.exe	rundll32.exe
PID 3892 wrote to memory of 3860	3892	rundll32.exe	rundll32.exe

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\623712580ac614737e98043b503ea593b050c099a0f2a67e24c4d168c27e4e55.dll,#1
1⤵
PID:3860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3860 -s 684
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1976

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\623712580ac614737e98043b503ea593b050c099a0f2a67e24c4d168c27e4e55.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3892

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3860-114-0x0000000000000000-mapping.dmp

Download
memory/3860-115-0x0000000073A10000-0x0000000073A40000-memory.dmp

Filesize
192KB

Download
memory/3860-117-0x00000000028B0000-0x00000000029FA000-memory.dmp

Filesize
1.3MB

Download