e68ef0887314755923ef3d0a097420afe96df0f834ab311f6d3c50aa78c42a32

Analysis

max time kernel
168s
max time network
143s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
24/12/2023, 20:02

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General

Target

0f833d87ac238f440078237cee14ba37.exe
Size

314KB
MD5

0f833d87ac238f440078237cee14ba37
SHA1

4c1a95efda2b5c7f2c0ad0d5f024317096110536
SHA256

e68ef0887314755923ef3d0a097420afe96df0f834ab311f6d3c50aa78c42a32
SHA512

1c2837f1feb38a2cad14d8390269998407c904cf06bf409690930e064d087d49ef5b76c55dd0e4eb40ef76c72e69636f47285d7387e0989b66b56b571490a5a3
SSDEEP

6144:e455h1Ac5RGffk9NCEqNcrWJYmzGPfsf0b2JcjXufn2fdDykh:l5ocWff0riYmCPXLK2F/h

Score

7^/10

persistence upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1564	oFhJnOb15403.exe

Executes dropped EXE 1 IoCs

pid	Process
1564	oFhJnOb15403.exe

Loads dropped DLL 2 IoCs

pid	Process
2016	0f833d87ac238f440078237cee14ba37.exe
2016	0f833d87ac238f440078237cee14ba37.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2016-1-0x0000000000400000-0x00000000004B3000-memory.dmp	upx
behavioral1/memory/2016-3-0x0000000000400000-0x00000000004B3000-memory.dmp	upx
behavioral1/memory/2016-4-0x0000000000400000-0x00000000004B3000-memory.dmp	upx
behavioral1/memory/2016-5-0x0000000000400000-0x00000000004B3000-memory.dmp	upx
behavioral1/memory/1564-23-0x0000000000400000-0x00000000004B3000-memory.dmp	upx
behavioral1/memory/1564-24-0x0000000000400000-0x00000000004B3000-memory.dmp	upx
behavioral1/memory/2016-27-0x0000000000400000-0x00000000004B3000-memory.dmp	upx
behavioral1/memory/1564-28-0x0000000000400000-0x00000000004B3000-memory.dmp	upx
behavioral1/memory/2016-33-0x0000000000400000-0x00000000004B3000-memory.dmp	upx
behavioral1/memory/1564-35-0x0000000000400000-0x00000000004B3000-memory.dmp	upx
behavioral1/memory/1564-40-0x0000000000400000-0x00000000004B3000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\oFhJnOb15403 = "C:\\ProgramData\\oFhJnOb15403\\oFhJnOb15403.exe"	oFhJnOb15403.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Internet Explorer\Main	oFhJnOb15403.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2016	0f833d87ac238f440078237cee14ba37.exe
2016	0f833d87ac238f440078237cee14ba37.exe
2016	0f833d87ac238f440078237cee14ba37.exe
2016	0f833d87ac238f440078237cee14ba37.exe
2016	0f833d87ac238f440078237cee14ba37.exe
2016	0f833d87ac238f440078237cee14ba37.exe
2016	0f833d87ac238f440078237cee14ba37.exe
2016	0f833d87ac238f440078237cee14ba37.exe
2016	0f833d87ac238f440078237cee14ba37.exe
2016	0f833d87ac238f440078237cee14ba37.exe
2016	0f833d87ac238f440078237cee14ba37.exe
2016	0f833d87ac238f440078237cee14ba37.exe
2016	0f833d87ac238f440078237cee14ba37.exe
2016	0f833d87ac238f440078237cee14ba37.exe
2016	0f833d87ac238f440078237cee14ba37.exe
1564	oFhJnOb15403.exe
2016	0f833d87ac238f440078237cee14ba37.exe
1564	oFhJnOb15403.exe
2016	0f833d87ac238f440078237cee14ba37.exe
1564	oFhJnOb15403.exe
2016	0f833d87ac238f440078237cee14ba37.exe
1564	oFhJnOb15403.exe
2016	0f833d87ac238f440078237cee14ba37.exe
1564	oFhJnOb15403.exe
2016	0f833d87ac238f440078237cee14ba37.exe
1564	oFhJnOb15403.exe
2016	0f833d87ac238f440078237cee14ba37.exe
1564	oFhJnOb15403.exe
2016	0f833d87ac238f440078237cee14ba37.exe
1564	oFhJnOb15403.exe
2016	0f833d87ac238f440078237cee14ba37.exe
1564	oFhJnOb15403.exe
2016	0f833d87ac238f440078237cee14ba37.exe
1564	oFhJnOb15403.exe
2016	0f833d87ac238f440078237cee14ba37.exe
1564	oFhJnOb15403.exe
2016	0f833d87ac238f440078237cee14ba37.exe
1564	oFhJnOb15403.exe
2016	0f833d87ac238f440078237cee14ba37.exe
1564	oFhJnOb15403.exe
2016	0f833d87ac238f440078237cee14ba37.exe
1564	oFhJnOb15403.exe
2016	0f833d87ac238f440078237cee14ba37.exe
1564	oFhJnOb15403.exe
2016	0f833d87ac238f440078237cee14ba37.exe
1564	oFhJnOb15403.exe
2016	0f833d87ac238f440078237cee14ba37.exe
1564	oFhJnOb15403.exe
2016	0f833d87ac238f440078237cee14ba37.exe
1564	oFhJnOb15403.exe
2016	0f833d87ac238f440078237cee14ba37.exe
1564	oFhJnOb15403.exe
2016	0f833d87ac238f440078237cee14ba37.exe
1564	oFhJnOb15403.exe
2016	0f833d87ac238f440078237cee14ba37.exe
1564	oFhJnOb15403.exe
2016	0f833d87ac238f440078237cee14ba37.exe
1564	oFhJnOb15403.exe
2016	0f833d87ac238f440078237cee14ba37.exe
1564	oFhJnOb15403.exe
2016	0f833d87ac238f440078237cee14ba37.exe
1564	oFhJnOb15403.exe
2016	0f833d87ac238f440078237cee14ba37.exe
1564	oFhJnOb15403.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2016	0f833d87ac238f440078237cee14ba37.exe
Token: SeDebugPrivilege	1564	oFhJnOb15403.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1564	oFhJnOb15403.exe
1564	oFhJnOb15403.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1564	oFhJnOb15403.exe
1564	oFhJnOb15403.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1564	oFhJnOb15403.exe
1564	oFhJnOb15403.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 1564	2016	0f833d87ac238f440078237cee14ba37.exe	30
PID 2016 wrote to memory of 1564	2016	0f833d87ac238f440078237cee14ba37.exe	30
PID 2016 wrote to memory of 1564	2016	0f833d87ac238f440078237cee14ba37.exe	30
PID 2016 wrote to memory of 1564	2016	0f833d87ac238f440078237cee14ba37.exe	30

C:\Users\Admin\AppData\Local\Temp\0f833d87ac238f440078237cee14ba37.exe
"C:\Users\Admin\AppData\Local\Temp\0f833d87ac238f440078237cee14ba37.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2016
- C:\ProgramData\oFhJnOb15403\oFhJnOb15403.exe
  "C:\ProgramData\oFhJnOb15403\oFhJnOb15403.exe" "C:\Users\Admin\AppData\Local\Temp\0f833d87ac238f440078237cee14ba37.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:1564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\ProgramData\oFhJnOb15403\oFhJnOb15403.exe

Filesize
314KB

MD5
ab9d55bf37c16696103a78ad62e1ea1f

SHA1
deefb6983f90b60e267977e64aa07b67c7b7265d

SHA256
b64338a6e72bac19334a1619f588b6069def401472d08ca211c756b99d8b4142

SHA512
a528e7f2c0c1849bb126c207fbf34278b0b93227c444b5ac1c5dbb1f4d74641ba223cf49df104fdc8c159ecac2e516257b1257b9f0e3e88721c9d8fb5dba747b

Download Submit
memory/1564-23-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1564-40-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1564-35-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1564-28-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1564-24-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1564-20-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2016-4-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2016-5-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2016-27-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2016-0-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2016-33-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2016-3-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2016-1-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download