e5dc68180e7f2e2c9a3835e0597cf612a31b837bb54acc4ac4695471908c2ad4

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2022, 13:17

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General

Target
e5dc68180e7f2e2c9a3835e0597cf612a31b837bb54acc4ac4695471908c2ad4.dll
Size 80KB
Sample221204-qjcd1acb78
SHA256 e5dc68180e7f2e2c9a3835e0597cf612a31b837bb54acc4ac4695471908c2ad4
MD5 d5c5051558b57df4508af53779a90e70
SHA1 3e13436cab78aee02435de1b3a9289b73c113aa9
SHA512 2c329387695a45e5e69ee5a9c840a40f835fe34ab8694d9c190d26c4f5a0d3b3bf56b7c590faf908dc009498ba86fb12d3a463e23ad020afb5e6bf9d495208ae
SSDEEP 1536:+cl8rn7ijEcqq0RRVDkey9C31SsxSS5Tvmu6GkkgpfSoQi/:X8YN0RQeVlcS5vjkkgpfHT
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4372-142-0x0000000010000000-0x0000000010032000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2680	4372	WerFault.exe	81

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4372	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 516 wrote to memory of 4372	516	rundll32.exe	81
PID 516 wrote to memory of 4372	516	rundll32.exe	81
PID 516 wrote to memory of 4372	516	rundll32.exe	81
PID 4372 wrote to memory of 3344	4372	rundll32.exe	82
PID 4372 wrote to memory of 3344	4372	rundll32.exe	82
PID 4372 wrote to memory of 3344	4372	rundll32.exe	82
PID 4372 wrote to memory of 4240	4372	rundll32.exe	85
PID 4372 wrote to memory of 4240	4372	rundll32.exe	85
PID 4372 wrote to memory of 4240	4372	rundll32.exe	85
PID 4372 wrote to memory of 544	4372	rundll32.exe	86
PID 4372 wrote to memory of 544	4372	rundll32.exe	86
PID 4372 wrote to memory of 544	4372	rundll32.exe	86
PID 4372 wrote to memory of 4608	4372	rundll32.exe	87
PID 4372 wrote to memory of 4608	4372	rundll32.exe	87
PID 4372 wrote to memory of 4608	4372	rundll32.exe	87
PID 4372 wrote to memory of 1752	4372	rundll32.exe	90
PID 4372 wrote to memory of 1752	4372	rundll32.exe	90
PID 4372 wrote to memory of 1752	4372	rundll32.exe	90
PID 4372 wrote to memory of 4212	4372	rundll32.exe	98
PID 4372 wrote to memory of 4212	4372	rundll32.exe	98
PID 4372 wrote to memory of 4212	4372	rundll32.exe	98
PID 4372 wrote to memory of 1136	4372	rundll32.exe	93
PID 4372 wrote to memory of 1136	4372	rundll32.exe	93
PID 4372 wrote to memory of 1136	4372	rundll32.exe	93
PID 4372 wrote to memory of 376	4372	rundll32.exe	94
PID 4372 wrote to memory of 376	4372	rundll32.exe	94
PID 4372 wrote to memory of 376	4372	rundll32.exe	94
PID 4372 wrote to memory of 4444	4372	rundll32.exe	99
PID 4372 wrote to memory of 4444	4372	rundll32.exe	99
PID 4372 wrote to memory of 4444	4372	rundll32.exe	99

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e5dc68180e7f2e2c9a3835e0597cf612a31b837bb54acc4ac4695471908c2ad4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:516
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e5dc68180e7f2e2c9a3835e0597cf612a31b837bb54acc4ac4695471908c2ad4.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4372
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    PID:3344
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 14-de-9c-42-39-04
    3⤵
    PID:4240
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 d8-dc-a1-d8-7c-b5
    3⤵
    PID:544
- - C:\Windows\SysWOW64\arp.exe
    arp -s 154.61.71.51 b6-f4-91-5c-5a-8e
    3⤵
    PID:4608
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 5c-bd-4a-47-6d-e4
    3⤵
    PID:1752
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 2e-66-2d-96-6d-d4
    3⤵
    PID:1136
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 86-1f-88-dd-13-2f
    3⤵
    PID:376
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 704
    3⤵
    - Program crash
    PID:2680
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 b9-97-01-a3-34-43
    3⤵
    PID:4212
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 25-dd-d8-65-02-fd
    3⤵
    PID:4444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4372 -ip 4372
1⤵
PID:2972

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4372-142-0x0000000010000000-0x0000000010032000-memory.dmp

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