dccca60d7f67e773dce519de7e535f95880d08c6692966693592467fdfedc72b

Analysis

max time kernel
151s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 06:08

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General

Target

a1234afaf3fec88126e282ddb4ccb052.exe
Size

687KB
MD5

a1234afaf3fec88126e282ddb4ccb052
SHA1

8c00e0df60feec0254a54cd0edb4327cdac2cdb8
SHA256

dccca60d7f67e773dce519de7e535f95880d08c6692966693592467fdfedc72b
SHA512

c0ecb2ff756225c446f34abb45503ecd52547dc63da42db5229f759fb30001fa42b1c7a877740fe23095fa0b6e367f6cbc38f34d53d9de20b328d4e70b3479e3
SSDEEP

12288:rKqI/NVA4LuX1rTcMYWnXUOC+0b4ZCOh+F3Z4mxxODRw2RaeoWgxRBuMr:rZI/NulfXYeU/Tc0Oh+QmX8RwaaeqTxr

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2280	4.exe
4008	server.exe

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	a1234afaf3fec88126e282ddb4ccb052.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\server.exe	4.exe
File created	C:\Windows\uninstal.bat	4.exe
File created	C:\Windows\server.exe	4.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	server.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	server.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	server.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	server.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	server.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2280	4.exe
Token: SeDebugPrivilege	4008	server.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4008	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3780 wrote to memory of 2280	3780	a1234afaf3fec88126e282ddb4ccb052.exe	89
PID 3780 wrote to memory of 2280	3780	a1234afaf3fec88126e282ddb4ccb052.exe	89
PID 3780 wrote to memory of 2280	3780	a1234afaf3fec88126e282ddb4ccb052.exe	89
PID 4008 wrote to memory of 1652	4008	server.exe	91
PID 4008 wrote to memory of 1652	4008	server.exe	91
PID 2280 wrote to memory of 4520	2280	4.exe	92
PID 2280 wrote to memory of 4520	2280	4.exe	92
PID 2280 wrote to memory of 4520	2280	4.exe	92

C:\Users\Admin\AppData\Local\Temp\a1234afaf3fec88126e282ddb4ccb052.exe
"C:\Users\Admin\AppData\Local\Temp\a1234afaf3fec88126e282ddb4ccb052.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3780
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2280
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\uninstal.bat
    3⤵
    PID:4520

C:\Windows\server.exe
C:\Windows\server.exe
1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4008
- C:\Program Files\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
  2⤵
  PID:1652

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

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe

Filesize
449KB

MD5
eff865c27a4ab96bc5f0ba832a93b803

SHA1
358b2b529d381acf718853de300252d4733140e2

SHA256
6a372078a02a7c49886262c69123d209d8308ca8b8b2107c551c28f90626f8ef

SHA512
933a024d2dfba32eead85eea7cfc1b436f5dd939d04d933e2eb546603b9542454ccb4a86503fb80cd2525763ac22383e903c2ea01ee11851bae05245655ee532

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe

Filesize
57KB

MD5
dad3ecac9a41a91890ffcc1892b7d769

SHA1
ea176c891080efe72ecef31a9de2daa4c0d0d17a

SHA256
701ab2d922ee3e1ce488046482b3b6054da69d64eca32437636440ae2345b9e7

SHA512
ebc634847e57ed83615aef3096b498ea55d8752c337b9fd51b1f0c1092a99beb4171cbc2cd28d4b54699aef12663e3b648472045ed24224b0b3bfebf9485c912

Download Submit
C:\Windows\server.exe

Filesize
775KB

MD5
dae06df43424b36cb828a7f6e7ff5f6a

SHA1
c29eb9c664b0370a98869b6380f8777ac0018c05

SHA256
4a08e89e44a7c7f333f5716120a3cb0fa8f14ae3559adc8f1bd7eadcc0ac5d63

SHA512
9648ca7578133a5ee62666426a1c53b5a20ac59f9f204d826b6bce2df46a4340086ac259ab6b9d096c633f32af840ced3dfb3bb6029984095ff9762a302cc300

Download Submit
C:\Windows\uninstal.bat

Filesize
150B

MD5
5edd682a8b1f2bf873300774f954ab03

SHA1
2cca4e743d02dbccf31b784ea26a60c03dcc9637

SHA256
a34c51ec5d2ac66ef75719e7dee61b6e89e74d054712438da2585ec92ce0865a

SHA512
916f0e846a38f63aae996e2a3957fa24fed3bcaa6add68c529e3cc0aa063dca49b98d42c92317bfc2f43d745c492e1e1e6f5db0c986b9682f4b9b0cf0afd7bd2

Download Submit
memory/2280-93-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/3780-29-0x0000000000CF0000-0x0000000000CF1000-memory.dmp

Filesize
4KB

Download
memory/3780-34-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-2-0x0000000000AC0000-0x0000000000AC1000-memory.dmp

Filesize
4KB

Download
memory/3780-3-0x0000000000AA0000-0x0000000000AA1000-memory.dmp

Filesize
4KB

Download
memory/3780-4-0x0000000000AF0000-0x0000000000AF1000-memory.dmp

Filesize
4KB

Download
memory/3780-5-0x0000000000A80000-0x0000000000A81000-memory.dmp

Filesize
4KB

Download
memory/3780-6-0x0000000000A70000-0x0000000000A71000-memory.dmp

Filesize
4KB

Download
memory/3780-7-0x0000000000AE0000-0x0000000000AE1000-memory.dmp

Filesize
4KB

Download
memory/3780-8-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

Filesize
4KB

Download
memory/3780-9-0x0000000003160000-0x0000000003161000-memory.dmp

Filesize
4KB

Download
memory/3780-10-0x0000000000B00000-0x0000000000B01000-memory.dmp

Filesize
4KB

Download
memory/3780-11-0x0000000003160000-0x0000000003161000-memory.dmp

Filesize
4KB

Download
memory/3780-12-0x0000000003160000-0x0000000003161000-memory.dmp

Filesize
4KB

Download
memory/3780-13-0x0000000003160000-0x0000000003161000-memory.dmp

Filesize
4KB

Download
memory/3780-14-0x0000000003160000-0x0000000003161000-memory.dmp

Filesize
4KB

Download
memory/3780-15-0x0000000003160000-0x0000000003161000-memory.dmp

Filesize
4KB

Download
memory/3780-16-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-17-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-18-0x0000000000C80000-0x0000000000C81000-memory.dmp

Filesize
4KB

Download
memory/3780-20-0x0000000000CB0000-0x0000000000CB1000-memory.dmp

Filesize
4KB

Download
memory/3780-19-0x0000000000C60000-0x0000000000C61000-memory.dmp

Filesize
4KB

Download
memory/3780-21-0x0000000000B30000-0x0000000000B31000-memory.dmp

Filesize
4KB

Download
memory/3780-22-0x0000000000B20000-0x0000000000B21000-memory.dmp

Filesize
4KB

Download
memory/3780-23-0x0000000000CA0000-0x0000000000CA1000-memory.dmp

Filesize
4KB

Download
memory/3780-24-0x0000000000C90000-0x0000000000C91000-memory.dmp

Filesize
4KB

Download
memory/3780-25-0x0000000000CC0000-0x0000000000CC1000-memory.dmp

Filesize
4KB

Download
memory/3780-26-0x0000000000C50000-0x0000000000C51000-memory.dmp

Filesize
4KB

Download
memory/3780-27-0x0000000000D30000-0x0000000000D31000-memory.dmp

Filesize
4KB

Download
memory/3780-28-0x0000000000D10000-0x0000000000D11000-memory.dmp

Filesize
4KB

Download
memory/3780-0-0x0000000001000000-0x0000000001113000-memory.dmp

Filesize
1.1MB

Download
memory/3780-30-0x0000000000CE0000-0x0000000000CE1000-memory.dmp

Filesize
4KB

Download
memory/3780-31-0x0000000000D40000-0x0000000000D41000-memory.dmp

Filesize
4KB

Download
memory/3780-1-0x0000000000670000-0x00000000006C4000-memory.dmp

Filesize
336KB

Download
memory/3780-33-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-32-0x0000000003160000-0x0000000003161000-memory.dmp

Filesize
4KB

Download
memory/3780-35-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-36-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-37-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-38-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-40-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-41-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-39-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-42-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-43-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-44-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-45-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-46-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-47-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-48-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-49-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-50-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-51-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-52-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-53-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-54-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-55-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-56-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-57-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-58-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-59-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-60-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-61-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-62-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-63-0x0000000003150000-0x0000000003151000-memory.dmp

Filesize
4KB

Download
memory/3780-95-0x0000000001000000-0x0000000001113000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads