dridex | a0005c52d3f6bbdffa318707546743a6839d35450443b8d6ac73b5a9ba7c309d

Analysis

max time kernel
17s
max time network
116s
platform
windows10_x64
resource
win10v20210410
submitted
11-06-2021 03:29

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General

Target

a0005c52d3f6bbdffa318707546743a6839d35450443b8d6ac73b5a9ba7c309d.dll
Size

170KB
MD5

b540ecdb806c2aab38cf91e40898ac5a
SHA1

54e707b17d4ab12eb209183b17d35614711ea5d8
SHA256

a0005c52d3f6bbdffa318707546743a6839d35450443b8d6ac73b5a9ba7c309d
SHA512

324d40b6a7d814bf8205b8dcbc820f54c297ebc96fc36e65c0ef7af4a2429e831b11661ddbd5a9b9a272a62b6687158130326cd67000edb1cd63730757cc30a5

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 4072 created 2152 4072 WerFault.exe rundll32.exe

description	pid	process	target process
PID 4072 created 2152	4072	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/2152-115-0x00000000736D0000-0x00000000736FF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4072 2152 WerFault.exe rundll32.exe

pid	pid_target	process	target process
4072	2152	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
4072	WerFault.exe
4072	WerFault.exe
4072	WerFault.exe
4072	WerFault.exe
4072	WerFault.exe
4072	WerFault.exe
4072	WerFault.exe
4072	WerFault.exe
4072	WerFault.exe
4072	WerFault.exe
4072	WerFault.exe
4072	WerFault.exe
4072	WerFault.exe
4072	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 4072 WerFault.exe
Token: SeBackupPrivilege 4072 WerFault.exe
Token: SeDebugPrivilege 4072 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	4072	WerFault.exe
Token: SeBackupPrivilege	4072	WerFault.exe
Token: SeDebugPrivilege	4072	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3176 wrote to memory of 2152	3176	rundll32.exe	rundll32.exe
PID 3176 wrote to memory of 2152	3176	rundll32.exe	rundll32.exe
PID 3176 wrote to memory of 2152	3176	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a0005c52d3f6bbdffa318707546743a6839d35450443b8d6ac73b5a9ba7c309d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3176

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a0005c52d3f6bbdffa318707546743a6839d35450443b8d6ac73b5a9ba7c309d.dll,#1
2⤵
PID:2152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 648
3⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4072

MITRE ATT&CK Matrix

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Downloads

memory/2152-114-0x0000000000000000-mapping.dmp

Download
memory/2152-115-0x00000000736D0000-0x00000000736FF000-memory.dmp

Filesize
188KB

Download
memory/2152-117-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads