071ef94f61b04836c1d9f1d51261f7374db152565052a23d07a09cb1ea356417

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 03:46

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General

Target

8b501f7de309b25a1628d7c15804ef81.exe
Size

655KB
MD5

8b501f7de309b25a1628d7c15804ef81
SHA1

63dada412cf160bff55bf921910668b600aac72a
SHA256

071ef94f61b04836c1d9f1d51261f7374db152565052a23d07a09cb1ea356417
SHA512

1aad4678c3bfc3bea5a111178e018163d185ffe18517ed03159c016d6fd2212891305224bb76c5ef922347847dfd49b75d0b246863887226f9f74abd99a1bc27
SSDEEP

12288:UaKWrTjY4RICctN/uscqta6g/MnTz+m4P01vuOXKFsWMX1Rg:FKUTjYoICczmscOaKTiDPX1zv

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2964	Server.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2964 set thread context of 400	2964	Server.exe	83
PID 2964 set thread context of 1452	2964	Server.exe	85

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files\Delet.bat	8b501f7de309b25a1628d7c15804ef81.exe
File created	C:\Program Files\Server.exe	8b501f7de309b25a1628d7c15804ef81.exe
File opened for modification	C:\Program Files\Server.exe	8b501f7de309b25a1628d7c15804ef81.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\_Server.exe	Server.exe
File opened for modification	C:\Windows\_Server.exe	Server.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3672	400	WerFault.exe	83

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31086163"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "413696952"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2640598552"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2647943592"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{C8D23E34-C246-11EE-9A4E-4ECC77D3B663} = "0"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31086163"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2640598552"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31086163"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1452	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1452	IEXPLORE.EXE
1452	IEXPLORE.EXE
2828	IEXPLORE.EXE
2828	IEXPLORE.EXE
2828	IEXPLORE.EXE
2828	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4104 wrote to memory of 2964	4104	8b501f7de309b25a1628d7c15804ef81.exe	82
PID 4104 wrote to memory of 2964	4104	8b501f7de309b25a1628d7c15804ef81.exe	82
PID 4104 wrote to memory of 2964	4104	8b501f7de309b25a1628d7c15804ef81.exe	82
PID 2964 wrote to memory of 400	2964	Server.exe	83
PID 2964 wrote to memory of 400	2964	Server.exe	83
PID 2964 wrote to memory of 400	2964	Server.exe	83
PID 2964 wrote to memory of 400	2964	Server.exe	83
PID 2964 wrote to memory of 400	2964	Server.exe	83
PID 2964 wrote to memory of 1452	2964	Server.exe	85
PID 2964 wrote to memory of 1452	2964	Server.exe	85
PID 2964 wrote to memory of 1452	2964	Server.exe	85
PID 4104 wrote to memory of 3540	4104	8b501f7de309b25a1628d7c15804ef81.exe	87
PID 4104 wrote to memory of 3540	4104	8b501f7de309b25a1628d7c15804ef81.exe	87
PID 4104 wrote to memory of 3540	4104	8b501f7de309b25a1628d7c15804ef81.exe	87
PID 1452 wrote to memory of 2828	1452	IEXPLORE.EXE	90
PID 1452 wrote to memory of 2828	1452	IEXPLORE.EXE	90
PID 1452 wrote to memory of 2828	1452	IEXPLORE.EXE	90

C:\Users\Admin\AppData\Local\Temp\8b501f7de309b25a1628d7c15804ef81.exe
"C:\Users\Admin\AppData\Local\Temp\8b501f7de309b25a1628d7c15804ef81.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4104
- C:\Program Files\Server.exe
  "C:\Program Files\Server.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:2964
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    PID:400
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 12
      4⤵
      Program crash
      PID:3672
- - C:\program files\internet explorer\IEXPLORE.EXE
    "C:\program files\internet explorer\IEXPLORE.EXE"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1452
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1452 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:2828
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Program Files\Delet.bat""
  2⤵
  PID:3540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 400 -ip 400
1⤵
PID:2204

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\Delet.bat

Filesize
184B

MD5
db1129d0b8e0283be8a8ebec352a740e

SHA1
7c70d93f4cff4fb3a8af142ed35f9c38ad6c5408

SHA256
37613ef10a2ed7ff5fe468f1528ff2b2ad7aca6edd90907291797cee41f20b04

SHA512
78c88c1cfb6f1f463eaf0a2f80bf3dd6d833af5db56bdc131228e515b26320452e77b04d46d97f1d3fbc13f7f4f0180ba2a3862ee173727b882ffcbc1eff374e

Download Submit
C:\Program Files\Server.exe

Filesize
655KB

MD5
8b501f7de309b25a1628d7c15804ef81

SHA1
63dada412cf160bff55bf921910668b600aac72a

SHA256
071ef94f61b04836c1d9f1d51261f7374db152565052a23d07a09cb1ea356417

SHA512
1aad4678c3bfc3bea5a111178e018163d185ffe18517ed03159c016d6fd2212891305224bb76c5ef922347847dfd49b75d0b246863887226f9f74abd99a1bc27

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
cb99b6d5040641081530ef8f6049f1aa

SHA1
3fa9e3148cbee0e561da3787919043483ee5e5c0

SHA256
3e1607026f332ae19539f0621c8b18c820245d196febf8bf258253667ebc94d8

SHA512
13cdc5995fa4741d474c00491ea55b26101a88ee3495327950249e8bef1e16de29f46d0c1ffef3682eac0e041f0b06545d51ef8152a33606f0e13fe35e6a1d83

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
5543a664c488a28b5e92a91f214d7f97

SHA1
4bac04b452d1af3398f60801053623e37b4da064

SHA256
bb92e7edbbcd811196dcc912446eb94030f7e4f3e2901e7aa5cc1feef00e33b6

SHA512
f1c58dda3514c984fb29130e9e35c2e1a4a1ef7c36ec6a3424e5d21990764cde0168a645d7fc8a892d87af92cd628fc7e425cc77be6f7dea46597902c230db02

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6AXLYU2E\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/400-108-0x0000000000500000-0x00000000006C6000-memory.dmp

Filesize
1.8MB

Download
memory/1452-113-0x00000000003F0000-0x00000000005B6000-memory.dmp

Filesize
1.8MB

Download
memory/4104-56-0x0000000003A90000-0x0000000003A91000-memory.dmp

Filesize
4KB

Download
memory/4104-50-0x0000000003A00000-0x0000000003A01000-memory.dmp

Filesize
4KB

Download
memory/4104-12-0x00000000035C0000-0x00000000035C1000-memory.dmp

Filesize
4KB

Download
memory/4104-11-0x00000000025E0000-0x00000000025E1000-memory.dmp

Filesize
4KB

Download
memory/4104-9-0x0000000002620000-0x0000000002621000-memory.dmp

Filesize
4KB

Download
memory/4104-13-0x00000000035B0000-0x00000000035B3000-memory.dmp

Filesize
12KB

Download
memory/4104-14-0x00000000036B0000-0x00000000036B1000-memory.dmp

Filesize
4KB

Download
memory/4104-8-0x0000000002630000-0x0000000002631000-memory.dmp

Filesize
4KB

Download
memory/4104-7-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/4104-6-0x00000000025D0000-0x00000000025D1000-memory.dmp

Filesize
4KB

Download
memory/4104-5-0x0000000002640000-0x0000000002641000-memory.dmp

Filesize
4KB

Download
memory/4104-4-0x00000000025F0000-0x00000000025F1000-memory.dmp

Filesize
4KB

Download
memory/4104-15-0x0000000003600000-0x0000000003601000-memory.dmp

Filesize
4KB

Download
memory/4104-31-0x0000000003650000-0x0000000003651000-memory.dmp

Filesize
4KB

Download
memory/4104-30-0x0000000003660000-0x0000000003661000-memory.dmp

Filesize
4KB

Download
memory/4104-36-0x00000000036C0000-0x00000000036C1000-memory.dmp

Filesize
4KB

Download
memory/4104-38-0x00000000037D0000-0x00000000037D1000-memory.dmp

Filesize
4KB

Download
memory/4104-42-0x0000000003810000-0x0000000003811000-memory.dmp

Filesize
4KB

Download
memory/4104-51-0x0000000003A30000-0x0000000003A31000-memory.dmp

Filesize
4KB

Download
memory/4104-65-0x0000000003A40000-0x0000000003A41000-memory.dmp

Filesize
4KB

Download
memory/4104-64-0x00000000039F0000-0x00000000039F1000-memory.dmp

Filesize
4KB

Download
memory/4104-63-0x0000000003A10000-0x0000000003A11000-memory.dmp

Filesize
4KB

Download
memory/4104-62-0x00000000039E0000-0x00000000039E1000-memory.dmp

Filesize
4KB

Download
memory/4104-61-0x0000000003B10000-0x0000000003B11000-memory.dmp

Filesize
4KB

Download
memory/4104-60-0x0000000003B20000-0x0000000003B21000-memory.dmp

Filesize
4KB

Download
memory/4104-59-0x0000000003AF0000-0x0000000003AF1000-memory.dmp

Filesize
4KB

Download
memory/4104-58-0x0000000003AD0000-0x0000000003AD1000-memory.dmp

Filesize
4KB

Download
memory/4104-57-0x0000000003AB0000-0x0000000003AB1000-memory.dmp

Filesize
4KB

Download
memory/4104-3-0x0000000002610000-0x0000000002611000-memory.dmp

Filesize
4KB

Download
memory/4104-54-0x0000000003A70000-0x0000000003A71000-memory.dmp

Filesize
4KB

Download
memory/4104-10-0x0000000002650000-0x0000000002651000-memory.dmp

Filesize
4KB

Download
memory/4104-55-0x0000000003AA0000-0x0000000003AA1000-memory.dmp

Filesize
4KB

Download
memory/4104-43-0x0000000003850000-0x0000000003851000-memory.dmp

Filesize
4KB

Download
memory/4104-53-0x0000000003A80000-0x0000000003A81000-memory.dmp

Filesize
4KB

Download
memory/4104-49-0x00000000039D0000-0x00000000039D1000-memory.dmp

Filesize
4KB

Download
memory/4104-48-0x0000000003880000-0x0000000003881000-memory.dmp

Filesize
4KB

Download
memory/4104-47-0x0000000003890000-0x0000000003891000-memory.dmp

Filesize
4KB

Download
memory/4104-46-0x0000000003860000-0x0000000003861000-memory.dmp

Filesize
4KB

Download
memory/4104-45-0x0000000003870000-0x0000000003871000-memory.dmp

Filesize
4KB

Download
memory/4104-44-0x0000000003840000-0x0000000003841000-memory.dmp

Filesize
4KB

Download
memory/4104-52-0x0000000003A50000-0x0000000003A51000-memory.dmp

Filesize
4KB

Download
memory/4104-41-0x0000000003820000-0x0000000003821000-memory.dmp

Filesize
4KB

Download
memory/4104-40-0x00000000037F0000-0x00000000037F1000-memory.dmp

Filesize
4KB

Download
memory/4104-39-0x0000000003800000-0x0000000003801000-memory.dmp

Filesize
4KB

Download
memory/4104-37-0x00000000037E0000-0x00000000037E1000-memory.dmp

Filesize
4KB

Download
memory/4104-35-0x0000000003690000-0x0000000003691000-memory.dmp

Filesize
4KB

Download
memory/4104-34-0x00000000036A0000-0x00000000036A1000-memory.dmp

Filesize
4KB

Download
memory/4104-33-0x0000000003670000-0x0000000003671000-memory.dmp

Filesize
4KB

Download
memory/4104-32-0x0000000003680000-0x0000000003681000-memory.dmp

Filesize
4KB

Download
memory/4104-29-0x0000000003630000-0x0000000003631000-memory.dmp

Filesize
4KB

Download
memory/4104-28-0x0000000003640000-0x0000000003641000-memory.dmp

Filesize
4KB

Download
memory/4104-27-0x0000000003610000-0x0000000003611000-memory.dmp

Filesize
4KB

Download
memory/4104-26-0x0000000003620000-0x0000000003621000-memory.dmp

Filesize
4KB

Download
memory/4104-25-0x0000000002930000-0x0000000002931000-memory.dmp

Filesize
4KB

Download
memory/4104-24-0x0000000002720000-0x0000000002721000-memory.dmp

Filesize
4KB

Download
memory/4104-23-0x00000000027D0000-0x00000000027D1000-memory.dmp

Filesize
4KB

Download
memory/4104-2-0x00000000023C0000-0x0000000002414000-memory.dmp

Filesize
336KB

Download
memory/4104-1-0x0000000000B90000-0x0000000000B91000-memory.dmp

Filesize
4KB

Download
memory/4104-0-0x0000000000400000-0x00000000005C6000-memory.dmp

Filesize
1.8MB

Download
memory/4104-22-0x00000000035D0000-0x00000000035D1000-memory.dmp

Filesize
4KB

Download
memory/4104-21-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

Filesize
4KB

Download
memory/4104-20-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

Filesize
4KB

Download
memory/4104-19-0x0000000002670000-0x0000000002671000-memory.dmp

Filesize
4KB

Download
memory/4104-16-0x00000000025B0000-0x00000000025B1000-memory.dmp

Filesize
4KB

Download