dridex | fc0deffd66bc9a211d7b243c996306e3629ad3bdfb8db552ba67965ce3ae629b

Analysis

max time kernel
57s
max time network
49s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
10-03-2023 11:30

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General

Target

13c5b33339522f8f96d091708e7a8a64b0939daa6225732352fbe44cb2950e67.exe
Size

228KB
MD5

07b0ce2dd0370392eedb0fc161c99dc7
SHA1

abf30fe414f07060b95e49034f05f3e4698d71d8
SHA256

13c5b33339522f8f96d091708e7a8a64b0939daa6225732352fbe44cb2950e67
SHA512

cada09b81bb4d065d27b9293e5a87a04735b279f48fef22f0ea7e5c94af91798dd257d356585b3e71735e90288a364b38831071f5443a61fd29677fd4f1a907d
SSDEEP

3072:2OiQhEurPRvwXXgtxshEo8bXBkAPz/oEqlDq1vnPMqDPeyw+shR39BqWk:2Oi4EQSXWxsaxhrQ5lsXwj

Score

10^/10

dridex botnet evasion trojan

Malware Config

Extracted

Family

dridex

107.191.111.143:443

91.235.129.113:443

185.16.41.224:443

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Deletes itself 1 IoCs

Processes:

msra.exe

pid process

1724 msra.exe

pid	process
1724	msra.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

13c5b33339522f8f96d091708e7a8a64b0939daa6225732352fbe44cb2950e67.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	13c5b33339522f8f96d091708e7a8a64b0939daa6225732352fbe44cb2950e67.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

13c5b33339522f8f96d091708e7a8a64b0939daa6225732352fbe44cb2950e67.exemsra.exe

pid	process
1048	13c5b33339522f8f96d091708e7a8a64b0939daa6225732352fbe44cb2950e67.exe
1048	13c5b33339522f8f96d091708e7a8a64b0939daa6225732352fbe44cb2950e67.exe
1724	msra.exe
1724	msra.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

13c5b33339522f8f96d091708e7a8a64b0939daa6225732352fbe44cb2950e67.exe

description pid process

Token: SeRestorePrivilege 1048 13c5b33339522f8f96d091708e7a8a64b0939daa6225732352fbe44cb2950e67.exe

description	pid	process
Token: SeRestorePrivilege	1048	13c5b33339522f8f96d091708e7a8a64b0939daa6225732352fbe44cb2950e67.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

13c5b33339522f8f96d091708e7a8a64b0939daa6225732352fbe44cb2950e67.exe

description	pid	process	target process
PID 1048 wrote to memory of 1724	1048	13c5b33339522f8f96d091708e7a8a64b0939daa6225732352fbe44cb2950e67.exe	msra.exe
PID 1048 wrote to memory of 1724	1048	13c5b33339522f8f96d091708e7a8a64b0939daa6225732352fbe44cb2950e67.exe	msra.exe
PID 1048 wrote to memory of 1724	1048	13c5b33339522f8f96d091708e7a8a64b0939daa6225732352fbe44cb2950e67.exe	msra.exe
PID 1048 wrote to memory of 1724	1048	13c5b33339522f8f96d091708e7a8a64b0939daa6225732352fbe44cb2950e67.exe	msra.exe
PID 1048 wrote to memory of 1724	1048	13c5b33339522f8f96d091708e7a8a64b0939daa6225732352fbe44cb2950e67.exe	msra.exe

C:\Users\Admin\AppData\Local\Temp\13c5b33339522f8f96d091708e7a8a64b0939daa6225732352fbe44cb2950e67.exe
"C:\Users\Admin\AppData\Local\Temp\13c5b33339522f8f96d091708e7a8a64b0939daa6225732352fbe44cb2950e67.exe"
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1048

C:\Windows\SysWOW64\msra.exe
C:\Windows\SysWOW64\msra.exe "C:\Users\Admin\AppData\Local\Temp\13c5b33339522f8f96d091708e7a8a64b0939daa6225732352fbe44cb2950e67.exe"
2⤵
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
PID:1724

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1048-54-0x00000000011F0000-0x000000000122A000-memory.dmp

Filesize
232KB

Download
memory/1048-55-0x00000000000B0000-0x00000000000B7000-memory.dmp

Filesize
28KB

Download
memory/1048-58-0x00000000011F0000-0x000000000122A000-memory.dmp

Filesize
232KB

Download
memory/1724-59-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1724-60-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1724-61-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1724-56-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/1724-62-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1724-63-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1724-64-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1724-65-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1724-66-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1724-72-0x0000000000190000-0x0000000000197000-memory.dmp

Filesize
28KB

Download