dridex | 1a1f15119164d78186eecb1265277544c2c12d1010d976bc826b51846b2c3c1f

Analysis

max time kernel
17s
max time network
116s
platform
windows10_x64
resource
win10v20210410
submitted
11-06-2021 00:36

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General

Target

1a1f15119164d78186eecb1265277544c2c12d1010d976bc826b51846b2c3c1f.dll
Size

174KB
MD5

e181d0d95976653deb930fc1de0347e3
SHA1

8fb9d94ad3381d9b0c24087f659a7ca6d6401a15
SHA256

1a1f15119164d78186eecb1265277544c2c12d1010d976bc826b51846b2c3c1f
SHA512

bd85d1615b2750ef56449719f8d2fdf906bce7f5b4d2db61262267da2dbcea2722dd1c1b8333523670802c27605f46ef8d51ce565e1d0f50ce30d611f0ff760a

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

178.128.220.64:30333

45.79.91.89:9987

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/500-115-0x0000000073BF0000-0x0000000073C20000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2216 500 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2216	500	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
2216	WerFault.exe
2216	WerFault.exe
2216	WerFault.exe
2216	WerFault.exe
2216	WerFault.exe
2216	WerFault.exe
2216	WerFault.exe
2216	WerFault.exe
2216	WerFault.exe
2216	WerFault.exe
2216	WerFault.exe
2216	WerFault.exe
2216	WerFault.exe
2216	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2216 WerFault.exe
Token: SeBackupPrivilege 2216 WerFault.exe
Token: SeDebugPrivilege 2216 WerFault.exe

description	pid	process
Token: SeRestorePrivilege	2216	WerFault.exe
Token: SeBackupPrivilege	2216	WerFault.exe
Token: SeDebugPrivilege	2216	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2680 wrote to memory of 500	2680	rundll32.exe	rundll32.exe
PID 2680 wrote to memory of 500	2680	rundll32.exe	rundll32.exe
PID 2680 wrote to memory of 500	2680	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a1f15119164d78186eecb1265277544c2c12d1010d976bc826b51846b2c3c1f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2680

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a1f15119164d78186eecb1265277544c2c12d1010d976bc826b51846b2c3c1f.dll,#1
2⤵
PID:500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 500 -s 648
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2216

MITRE ATT&CK Matrix

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Downloads

memory/500-114-0x0000000000000000-mapping.dmp

Download
memory/500-115-0x0000000073BF0000-0x0000000073C20000-memory.dmp

Filesize
192KB

Download
memory/500-117-0x0000000003120000-0x0000000003126000-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