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Overview
overview
8Static
static
7office2019...us.exe
windows7-x64
1office2019...us.exe
windows10-2004-x64
1office2019...za.dll
windows7-x64
3office2019...za.dll
windows10-2004-x64
3office2019...za.exe
windows7-x64
1office2019...za.exe
windows10-2004-x64
1office2019...xa.dll
windows7-x64
3office2019...xa.dll
windows10-2004-x64
3office2019...rm.exe
windows7-x64
7office2019...rm.exe
windows10-2004-x64
7office2019...2c.exe
windows7-x64
1office2019...2c.exe
windows10-2004-x64
1office2019...71.dll
windows7-x64
1office2019...71.dll
windows10-2004-x64
1office2019...id.dll
windows7-x64
1office2019...id.dll
windows10-2004-x64
1office2019...ne.dll
windows7-x64
7office2019...ne.dll
windows10-2004-x64
7office2019...71.dll
windows7-x64
3office2019...71.dll
windows10-2004-x64
3office2019...71.dll
windows7-x64
3office2019...71.dll
windows10-2004-x64
3office2019...dl.dll
windows7-x64
7office2019...dl.dll
windows10-2004-x64
7office2019...b1.dll
windows7-x64
7office2019...b1.dll
windows10-2004-x64
7office2019...PP.vbs
windows7-x64
8office2019...PP.vbs
windows10-2004-x64
8office2019...cn.vbs
windows7-x64
8office2019...cn.vbs
windows10-2004-x64
8office2019...RM.exe
windows7-x64
1office2019...RM.exe
windows10-2004-x64
1Analysis
-
max time kernel
140s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
13/05/2024, 11:56
Behavioral task
behavioral1
Sample
office2019pjb_9435/office2019pjb/OTool/Office Tool Plus.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
office2019pjb_9435/office2019pjb/OTool/Office Tool Plus.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
office2019pjb_9435/office2019pjb/OTool/files/7-zip/7za.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
office2019pjb_9435/office2019pjb/OTool/files/7-zip/7za.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
office2019pjb_9435/office2019pjb/OTool/files/7-zip/7za.exe
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
office2019pjb_9435/office2019pjb/OTool/files/7-zip/7za.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
office2019pjb_9435/office2019pjb/OTool/files/7-zip/7zxa.dll
Resource
win7-20240215-en
Behavioral task
behavioral8
Sample
office2019pjb_9435/office2019pjb/OTool/files/7-zip/7zxa.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral9
Sample
office2019pjb_9435/office2019pjb/OTool/files/Thunder/MiniThunderPlatform.exe
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
office2019pjb_9435/office2019pjb/OTool/files/Thunder/MiniThunderPlatform.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral11
Sample
office2019pjb_9435/office2019pjb/OTool/files/Thunder/aria2c.exe
Resource
win7-20231129-en
Behavioral task
behavioral12
Sample
office2019pjb_9435/office2019pjb/OTool/files/Thunder/aria2c.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral13
Sample
office2019pjb_9435/office2019pjb/OTool/files/Thunder/atl71.dll
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
office2019pjb_9435/office2019pjb/OTool/files/Thunder/atl71.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral15
Sample
office2019pjb_9435/office2019pjb/OTool/files/Thunder/dl_peer_id.dll
Resource
win7-20240419-en
Behavioral task
behavioral16
Sample
office2019pjb_9435/office2019pjb/OTool/files/Thunder/dl_peer_id.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral17
Sample
office2019pjb_9435/office2019pjb/OTool/files/Thunder/download_engine.dll
Resource
win7-20240221-en
Behavioral task
behavioral18
Sample
office2019pjb_9435/office2019pjb/OTool/files/Thunder/download_engine.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral19
Sample
office2019pjb_9435/office2019pjb/OTool/files/Thunder/msvcp71.dll
Resource
win7-20240419-en
Behavioral task
behavioral20
Sample
office2019pjb_9435/office2019pjb/OTool/files/Thunder/msvcp71.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral21
Sample
office2019pjb_9435/office2019pjb/OTool/files/Thunder/msvcr71.dll
Resource
win7-20240508-en
Behavioral task
behavioral22
Sample
office2019pjb_9435/office2019pjb/OTool/files/Thunder/msvcr71.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral23
Sample
office2019pjb_9435/office2019pjb/OTool/files/Thunder/xldl.dll
Resource
win7-20240221-en
Behavioral task
behavioral24
Sample
office2019pjb_9435/office2019pjb/OTool/files/Thunder/xldl.dll
Resource
win10v2004-20240508-en
Behavioral task
behavioral25
Sample
office2019pjb_9435/office2019pjb/OTool/files/Thunder/zlib1.dll
Resource
win7-20231129-en
Behavioral task
behavioral26
Sample
office2019pjb_9435/office2019pjb/OTool/files/Thunder/zlib1.dll
Resource
win10v2004-20240426-en
Behavioral task
behavioral27
Sample
office2019pjb_9435/office2019pjb/OTool/files/activate/OSPP.vbs
Resource
win7-20240221-en
Behavioral task
behavioral28
Sample
office2019pjb_9435/office2019pjb/OTool/files/activate/OSPP.vbs
Resource
win10v2004-20240508-en
Behavioral task
behavioral29
Sample
office2019pjb_9435/office2019pjb/OTool/files/activate/OSPP.zh-cn.vbs
Resource
win7-20240221-en
Behavioral task
behavioral30
Sample
office2019pjb_9435/office2019pjb/OTool/files/activate/OSPP.zh-cn.vbs
Resource
win10v2004-20240226-en
Behavioral task
behavioral31
Sample
office2019pjb_9435/office2019pjb/OTool/files/activate/OSPPREARM.exe
Resource
win7-20240221-en
Behavioral task
behavioral32
Sample
office2019pjb_9435/office2019pjb/OTool/files/activate/OSPPREARM.exe
Resource
win10v2004-20240508-en
General
-
Target
office2019pjb_9435/office2019pjb/OTool/files/Thunder/zlib1.dll
-
Size
35KB
-
MD5
57e11cb59cff3bce88681847d807cf06
-
SHA1
44e79ea0787acfecba8f73360529d760a8e41cf9
-
SHA256
a21616050ed5f1bb9e1325089b5d1411da8f12e0060280e5ef41f80eed214066
-
SHA512
fd43895c72d9c2f001dc1105d2d76288df21fa46b7b8bce8ba9c48f49c48d21f49e9da00906844cee465270739a7c5c024ba04399801b515705a343c7209330f
-
SSDEEP
768:YR6aROh/8QQAwMydtssQfHFfxKmbK6PAraKBHsEoJKSnnbcuyD7UT9rRK:4c8n7bdt4flfxfKvlBHjoJKSnnouy8Ty
Malware Config
Signatures
-
resource yara_rule behavioral25/memory/1652-1-0x00000000215B0000-0x00000000215C6000-memory.dmp upx behavioral25/memory/1652-2-0x00000000215B0000-0x00000000215C6000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 2196 1652 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2316 wrote to memory of 1652 2316 rundll32.exe 28 PID 2316 wrote to memory of 1652 2316 rundll32.exe 28 PID 2316 wrote to memory of 1652 2316 rundll32.exe 28 PID 2316 wrote to memory of 1652 2316 rundll32.exe 28 PID 2316 wrote to memory of 1652 2316 rundll32.exe 28 PID 2316 wrote to memory of 1652 2316 rundll32.exe 28 PID 2316 wrote to memory of 1652 2316 rundll32.exe 28 PID 1652 wrote to memory of 2196 1652 rundll32.exe 29 PID 1652 wrote to memory of 2196 1652 rundll32.exe 29 PID 1652 wrote to memory of 2196 1652 rundll32.exe 29 PID 1652 wrote to memory of 2196 1652 rundll32.exe 29
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\office2019pjb_9435\office2019pjb\OTool\files\Thunder\zlib1.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2316 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\office2019pjb_9435\office2019pjb\OTool\files\Thunder\zlib1.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1652 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1652 -s 2243⤵
- Program crash
PID:2196
-
-