dridex | dd5173abdb268c5833e6d1945dc61f87fd9aa807e3b610f547b47fc802f9f2b1

Analysis

max time kernel
157s
max time network
168s
platform
windows10_x64
resource
win10-en-20211208
submitted
20-12-2021 23:19

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General

Target

SecuriteInfo.com.W32.AIDetect.malware1.25325.29304.dll
Size

468KB
MD5

2afe138da2e9a343764ff68bb3c452d9
SHA1

60d14085697fa9efb4bf6e8d72717f2684866b2e
SHA256

dd5173abdb268c5833e6d1945dc61f87fd9aa807e3b610f547b47fc802f9f2b1
SHA512

a27af87e34bce750f0ef0a65812926d7bbc05bab31e68057240861157237b917052ad213426fd365058beb8fbacbf1e95ff0f3d4720c802b5ade905d99951a14

Score

10^/10

dridex 22206 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22206

120.50.40.185:443

139.59.14.223:8172

121.40.104.209:6602

139.162.113.169:593

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
behavioral2/memory/2040-119-0x00000000739F0000-0x0000000073A66000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1384 2040 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1384	2040	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

WerFault.exe

pid	process
1384	WerFault.exe
1384	WerFault.exe
1384	WerFault.exe
1384	WerFault.exe
1384	WerFault.exe
1384	WerFault.exe
1384	WerFault.exe
1384	WerFault.exe
1384	WerFault.exe
1384	WerFault.exe
1384	WerFault.exe
1384	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1384 WerFault.exe
Token: SeBackupPrivilege 1384 WerFault.exe
Token: SeDebugPrivilege 1384 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	1384	WerFault.exe
Token: SeBackupPrivilege	1384	WerFault.exe
Token: SeDebugPrivilege	1384	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3828 wrote to memory of 2040	3828	rundll32.exe	rundll32.exe
PID 3828 wrote to memory of 2040	3828	rundll32.exe	rundll32.exe
PID 3828 wrote to memory of 2040	3828	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetect.malware1.25325.29304.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3828

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetect.malware1.25325.29304.dll,#1
2⤵
PID:2040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 644
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1384

MITRE ATT&CK Matrix

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Downloads

memory/2040-118-0x0000000000000000-mapping.dmp

Download
memory/2040-119-0x00000000739F0000-0x0000000073A66000-memory.dmp

Filesize
472KB

Download
memory/2040-121-0x0000000000C80000-0x0000000000C86000-memory.dmp

Filesize
24KB

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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