dridex | 0341b7e0b66e27bee166ba1fd9fad700d85e58a257bbfed1b60a662d97fc1617

Analysis

max time kernel
120s
max time network
121s
platform
windows10_x64
resource
win10-en-20211208
submitted
27-12-2021 09:17

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General

Target

tmp/0341b7e0b66e27bee166ba1fd9fad700d85e58a257bbfed1b60a662d97fc1617.exe.dll
Size

524KB
MD5

8337dd22aa86bc357f8bc573441a97c7
SHA1

6dc2600455a42651c95c3b612406dabd1182bfee
SHA256

0341b7e0b66e27bee166ba1fd9fad700d85e58a257bbfed1b60a662d97fc1617
SHA512

6a2572851e1ef774c35bf733455db6450f0c668d907f6617363037cb92277a022878c6fe7e652d035ed08f75f60c4a6463508a5feb7afb9a866c28d13577748c

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

104.36.167.47:443

188.40.48.93:4664

162.241.33.132:9217

217.160.5.104:593

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/3444-116-0x0000000073650000-0x00000000736D5000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

8 3444 WerFault.exe rundll32.exe

pid	pid_target	process	target process
8	3444	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

WerFault.exe

pid	process
8	WerFault.exe
8	WerFault.exe
8	WerFault.exe
8	WerFault.exe
8	WerFault.exe
8	WerFault.exe
8	WerFault.exe
8	WerFault.exe
8	WerFault.exe
8	WerFault.exe
8	WerFault.exe
8	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 8 WerFault.exe
Token: SeBackupPrivilege 8 WerFault.exe
Token: SeDebugPrivilege 8 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	8	WerFault.exe
Token: SeBackupPrivilege	8	WerFault.exe
Token: SeDebugPrivilege	8	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3404 wrote to memory of 3444	3404	rundll32.exe	rundll32.exe
PID 3404 wrote to memory of 3444	3404	rundll32.exe	rundll32.exe
PID 3404 wrote to memory of 3444	3404	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\tmp\0341b7e0b66e27bee166ba1fd9fad700d85e58a257bbfed1b60a662d97fc1617.exe.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3404

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\tmp\0341b7e0b66e27bee166ba1fd9fad700d85e58a257bbfed1b60a662d97fc1617.exe.dll,#1
2⤵
PID:3444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3444 -s 688
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:8

Network

MITRE ATT&CK Matrix

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Downloads

memory/3444-115-0x0000000000000000-mapping.dmp

Download
memory/3444-116-0x0000000073650000-0x00000000736D5000-memory.dmp

Filesize
532KB

Download
memory/3444-118-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download