babf307f55dc4140a94f20b381c3a4d6898aa32da5f0b534863b61a3ac6990fa

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 02:23

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General

Target

babf307f55dc4140a94f20b381c3a4d6898aa32da5f0b534863b61a3ac6990fa.dll
Size

80KB
MD5

2ba098f5e421c6fa0fafcc4614166730
SHA1

d9c561597563c94b74deb864b454fc9bdff1beb8
SHA256

babf307f55dc4140a94f20b381c3a4d6898aa32da5f0b534863b61a3ac6990fa
SHA512

4818bad60a1915f01d6c140f72980ef86d6303b83c2837e8ac5bd2f30403a3c9873458fcdcb836970c8673d1fb0b37bc5a2637322570583c16e155175d98d675
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEpqr:5dbwovEVyqgoZmZXWfIdQdRaefP7

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1636-0-0x0000000010000000-0x0000000010033000-memory.dmp	UPX
behavioral2/memory/1636-1-0x0000000010000000-0x0000000010033000-memory.dmp	UPX

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1636-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/1636-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4920 1636 WerFault.exe rundll32.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

rundll32.exe

description pid process

Token: SeDebugPrivilege 1636 rundll32.exe

pid	pid_target	process	target process
4920	1636	WerFault.exe	rundll32.exe

description	pid	process
Token: SeDebugPrivilege	1636	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1448 wrote to memory of 1636	1448	rundll32.exe	rundll32.exe
PID 1448 wrote to memory of 1636	1448	rundll32.exe	rundll32.exe
PID 1448 wrote to memory of 1636	1448	rundll32.exe	rundll32.exe
PID 1636 wrote to memory of 3808	1636	rundll32.exe	arp.exe
PID 1636 wrote to memory of 3808	1636	rundll32.exe	arp.exe
PID 1636 wrote to memory of 3808	1636	rundll32.exe	arp.exe
PID 1636 wrote to memory of 3056	1636	rundll32.exe	arp.exe
PID 1636 wrote to memory of 3056	1636	rundll32.exe	arp.exe
PID 1636 wrote to memory of 3056	1636	rundll32.exe	arp.exe
PID 1636 wrote to memory of 3880	1636	rundll32.exe	arp.exe
PID 1636 wrote to memory of 3880	1636	rundll32.exe	arp.exe
PID 1636 wrote to memory of 3880	1636	rundll32.exe	arp.exe
PID 1636 wrote to memory of 4908	1636	rundll32.exe	arp.exe
PID 1636 wrote to memory of 4908	1636	rundll32.exe	arp.exe
PID 1636 wrote to memory of 4908	1636	rundll32.exe	arp.exe
PID 1636 wrote to memory of 2036	1636	rundll32.exe	arp.exe
PID 1636 wrote to memory of 2036	1636	rundll32.exe	arp.exe
PID 1636 wrote to memory of 2036	1636	rundll32.exe	arp.exe
PID 1636 wrote to memory of 2436	1636	rundll32.exe	arp.exe
PID 1636 wrote to memory of 2436	1636	rundll32.exe	arp.exe
PID 1636 wrote to memory of 2436	1636	rundll32.exe	arp.exe
PID 1636 wrote to memory of 3288	1636	rundll32.exe	arp.exe
PID 1636 wrote to memory of 3288	1636	rundll32.exe	arp.exe
PID 1636 wrote to memory of 3288	1636	rundll32.exe	arp.exe
PID 1636 wrote to memory of 2248	1636	rundll32.exe	arp.exe
PID 1636 wrote to memory of 2248	1636	rundll32.exe	arp.exe
PID 1636 wrote to memory of 2248	1636	rundll32.exe	arp.exe
PID 1636 wrote to memory of 4896	1636	rundll32.exe	arp.exe
PID 1636 wrote to memory of 4896	1636	rundll32.exe	arp.exe
PID 1636 wrote to memory of 4896	1636	rundll32.exe	arp.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\babf307f55dc4140a94f20b381c3a4d6898aa32da5f0b534863b61a3ac6990fa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1448

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\babf307f55dc4140a94f20b381c3a4d6898aa32da5f0b534863b61a3ac6990fa.dll,#1
2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1636

C:\Windows\SysWOW64\arp.exe
arp -a
3⤵
PID:3808

C:\Windows\SysWOW64\arp.exe
arp -s 10.127.0.1 46-87-b1-65-e3-7d
3⤵
PID:3056

C:\Windows\SysWOW64\arp.exe
arp -s 10.127.255.255 f7-e6-cc-a8-05-f7
3⤵
PID:3880

C:\Windows\SysWOW64\arp.exe
arp -s 37.27.61.181 b6-75-1b-19-58-db
3⤵
PID:4908

C:\Windows\SysWOW64\arp.exe
arp -s 224.0.0.22 45-a0-24-fc-4a-b9
3⤵
PID:2036

C:\Windows\SysWOW64\arp.exe
arp -s 224.0.0.251 24-99-9a-0e-11-3d
3⤵
PID:2436

C:\Windows\SysWOW64\arp.exe
arp -s 224.0.0.252 ae-79-80-a0-cc-9e
3⤵
PID:3288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 700
3⤵
- Program crash
PID:4920

C:\Windows\SysWOW64\arp.exe
arp -s 239.255.255.250 5c-ff-10-ca-47-e1
3⤵
PID:2248

C:\Windows\SysWOW64\arp.exe
arp -s 255.255.255.255 04-fc-6e-08-9d-72
3⤵
PID:4896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1636 -ip 1636
1⤵
PID:4036

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1636-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1636-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download