dridex | 391208225c173d79026f69b45a2b1e495088d066bfd428aca74d571b4945418f

Analysis

max time kernel
16s
max time network
122s
platform
windows10_x64
resource
win10v20210410
submitted
11-06-2021 03:00

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General

Target

391208225c173d79026f69b45a2b1e495088d066bfd428aca74d571b4945418f.dll
Size

170KB
MD5

8a7b91c2f8ec8cba216727f307e3c9a9
SHA1

e04be849f966b6da7650db0c026052941660d7fb
SHA256

391208225c173d79026f69b45a2b1e495088d066bfd428aca74d571b4945418f
SHA512

d8da6c5106bfa6de015fd6a667fa71021b1982d80b0db66acfc96ac51c520c5ecf99bf83c43f3586d3dd9ded3563c07015bd4148ad128bb0a50c3bfed91f5499

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 1108 created 3592 1108 WerFault.exe rundll32.exe

description	pid	process	target process
PID 1108 created 3592	1108	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/3592-115-0x00000000736D0000-0x00000000736FF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1108 3592 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1108	3592	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
1108	WerFault.exe
1108	WerFault.exe
1108	WerFault.exe
1108	WerFault.exe
1108	WerFault.exe
1108	WerFault.exe
1108	WerFault.exe
1108	WerFault.exe
1108	WerFault.exe
1108	WerFault.exe
1108	WerFault.exe
1108	WerFault.exe
1108	WerFault.exe
1108	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1108 WerFault.exe
Token: SeBackupPrivilege 1108 WerFault.exe
Token: SeDebugPrivilege 1108 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	1108	WerFault.exe
Token: SeBackupPrivilege	1108	WerFault.exe
Token: SeDebugPrivilege	1108	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3172 wrote to memory of 3592	3172	rundll32.exe	rundll32.exe
PID 3172 wrote to memory of 3592	3172	rundll32.exe	rundll32.exe
PID 3172 wrote to memory of 3592	3172	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\391208225c173d79026f69b45a2b1e495088d066bfd428aca74d571b4945418f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3172

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\391208225c173d79026f69b45a2b1e495088d066bfd428aca74d571b4945418f.dll,#1
2⤵
PID:3592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 648
3⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1108

MITRE ATT&CK Matrix

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Downloads

memory/3592-114-0x0000000000000000-mapping.dmp

Download
memory/3592-115-0x00000000736D0000-0x00000000736FF000-memory.dmp

Filesize
188KB

Download
memory/3592-117-0x0000000000D10000-0x0000000000D16000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads