dridex | 3a9ebbe93fbdac80628a8e74c81b02993a491585d2e03f1e29bdc5eca935339a

Analysis

max time kernel
17s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
11-06-2021 02:16

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General

Target

3a9ebbe93fbdac80628a8e74c81b02993a491585d2e03f1e29bdc5eca935339a.dll
Size

163KB
MD5

fe367395a77d43491a3a4ccce1194842
SHA1

1f96f487ebf5360fb060e622be1e2453d7e43aba
SHA256

3a9ebbe93fbdac80628a8e74c81b02993a491585d2e03f1e29bdc5eca935339a
SHA512

f3d66bf137c349c43cffee40981ab234e2af2ec2b6447f376698d9f5b3d0852d4650ff1460f413b3c27d7b6125b6ad85d25243ec787cfe133654b3353093fdd4

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

43.229.206.212:443

82.209.17.209:8172

162.241.209.225:4125

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/3964-115-0x0000000010000000-0x000000001002E000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3196 3964 WerFault.exe rundll32.exe

pid	pid_target	process	target process
3196	3964	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe
3196	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 3196 WerFault.exe
Token: SeBackupPrivilege 3196 WerFault.exe
Token: SeDebugPrivilege 3196 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	3196	WerFault.exe
Token: SeBackupPrivilege	3196	WerFault.exe
Token: SeDebugPrivilege	3196	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3912 wrote to memory of 3964	3912	rundll32.exe	rundll32.exe
PID 3912 wrote to memory of 3964	3912	rundll32.exe	rundll32.exe
PID 3912 wrote to memory of 3964	3912	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a9ebbe93fbdac80628a8e74c81b02993a491585d2e03f1e29bdc5eca935339a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3912

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a9ebbe93fbdac80628a8e74c81b02993a491585d2e03f1e29bdc5eca935339a.dll,#1
2⤵
PID:3964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 732
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3196

MITRE ATT&CK Matrix

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Downloads

memory/3964-114-0x0000000000000000-mapping.dmp

Download
memory/3964-115-0x0000000010000000-0x000000001002E000-memory.dmp

Filesize
184KB

Download
memory/3964-117-0x0000000000F40000-0x0000000000F46000-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