dridex | 4b6327fde87295f4d0a1a6b2f24dfeaffa75668e53b598a4dd912d1792f61c1c

Analysis

max time kernel
26s
max time network
116s
platform
windows10_x64
resource
win10v20210408
submitted
10-06-2021 22:51

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General

Target

4b6327fde87295f4d0a1a6b2f24dfeaffa75668e53b598a4dd912d1792f61c1c.dll
Size

170KB
MD5

29262ef72798b020df30baca88200166
SHA1

6a653a35997d81af146db6884105bce66ff73ad6
SHA256

4b6327fde87295f4d0a1a6b2f24dfeaffa75668e53b598a4dd912d1792f61c1c
SHA512

ff90bcf4b9882d117b61a38fa94a9b2d20a777fc18fcea3808b836c373d52954465b798fbb57847efd2eadc2adb21dddeb306105fd3464d1342510f8d5af7bd1

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 2948 created 1168 2948 WerFault.exe rundll32.exe

description	pid	process	target process
PID 2948 created 1168	2948	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/1168-115-0x0000000073ED0000-0x0000000073EFF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2948 1168 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2948	1168	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
2948	WerFault.exe
2948	WerFault.exe
2948	WerFault.exe
2948	WerFault.exe
2948	WerFault.exe
2948	WerFault.exe
2948	WerFault.exe
2948	WerFault.exe
2948	WerFault.exe
2948	WerFault.exe
2948	WerFault.exe
2948	WerFault.exe
2948	WerFault.exe
2948	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2948 WerFault.exe
Token: SeBackupPrivilege 2948 WerFault.exe
Token: SeDebugPrivilege 2948 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	2948	WerFault.exe
Token: SeBackupPrivilege	2948	WerFault.exe
Token: SeDebugPrivilege	2948	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 852 wrote to memory of 1168	852	rundll32.exe	rundll32.exe
PID 852 wrote to memory of 1168	852	rundll32.exe	rundll32.exe
PID 852 wrote to memory of 1168	852	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b6327fde87295f4d0a1a6b2f24dfeaffa75668e53b598a4dd912d1792f61c1c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:852

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b6327fde87295f4d0a1a6b2f24dfeaffa75668e53b598a4dd912d1792f61c1c.dll,#1
2⤵
PID:1168

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1168 -s 648
3⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2948

MITRE ATT&CK Matrix

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Downloads

memory/1168-114-0x0000000000000000-mapping.dmp

Download
memory/1168-115-0x0000000073ED0000-0x0000000073EFF000-memory.dmp

Filesize
188KB

Download
memory/1168-117-0x0000000000DC0000-0x0000000000DE3000-memory.dmp

Filesize
140KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads