2be652d5bf6494a329b2a1087b7c8d27030c974d69a115924466a217d5cee517

Analysis

max time kernel
134s
max time network
148s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 04:01

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General

Target

0dbf4a53a709516a9c1c362fd727b7ef.exe
Size

649KB
MD5

0dbf4a53a709516a9c1c362fd727b7ef
SHA1

bdc9a44903c006b3b86797e715f46d3930365e79
SHA256

2be652d5bf6494a329b2a1087b7c8d27030c974d69a115924466a217d5cee517
SHA512

1a5c010df670ce162c574616c9a7a9309e09d3efbedf3a7846c9420a7dbb8c59a375348828cc16b93b9fbf4e88db401dd37ea322a1b57f71d2fbbcd98ed4486e
SSDEEP

12288:gREX7F/rNTTCY1ZfFZueHVtxnW7xRypQLR2+huboz:gRO7lP1ZdfH9wRcQLR2bUz

Score

8^/10

persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	sgcxcxxaspf080930.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\mainyust = "C:\\Windows\\system32\\inf\\svchoct.exe C:\\Windows\\wftadfi16_080930a.dll tan16d"	sgcxcxxaspf080930.exe

Deletes itself 1 IoCs

pid	Process
2740	svchoct.exe

Executes dropped EXE 3 IoCs

pid	Process
2740	svchoct.exe
2652	sgcxcxxaspf080930.exe
2880	sgcxcxxaspf080930.exe

Loads dropped DLL 4 IoCs

pid	Process
2236	0dbf4a53a709516a9c1c362fd727b7ef.exe
2828	cmd.exe
2828	cmd.exe
2116	cmd.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\inf\scsys16_080930.dll	0dbf4a53a709516a9c1c362fd727b7ef.exe
File created	C:\Windows\SysWOW64\inf\svchoct.exe	0dbf4a53a709516a9c1c362fd727b7ef.exe
File opened for modification	C:\Windows\SysWOW64\inf\svchoct.exe	0dbf4a53a709516a9c1c362fd727b7ef.exe
File created	C:\Windows\SysWOW64\inf\sppdcrs080930.scr	0dbf4a53a709516a9c1c362fd727b7ef.exe

Drops file in Windows directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\tawisys.ini	0dbf4a53a709516a9c1c362fd727b7ef.exe
File created	C:\Windows\system\sgcxcxxaspf080930.exe	0dbf4a53a709516a9c1c362fd727b7ef.exe
File opened for modification	C:\Windows\tawisys.ini	svchoct.exe
File opened for modification	C:\Windows\tawisys.ini	sgcxcxxaspf080930.exe
File created	C:\Windows\dcbdcatys32_080930a.dll	0dbf4a53a709516a9c1c362fd727b7ef.exe
File created	C:\Windows\wftadfi16_080930a.dll	0dbf4a53a709516a9c1c362fd727b7ef.exe
File created	C:\Windows\dcbdcatys32_080930a.dll	sgcxcxxaspf080930.exe
File created	C:\Windows\dcbdcatys32_080930a.dll	sgcxcxxaspf080930.exe
File opened for modification	C:\Windows\tawisys.ini	sgcxcxxaspf080930.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 15 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\PageSetup	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main\Check_Associations = "no"	sgcxcxxaspf080930.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\InternetRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Zoom	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\IntelliForms	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2236	0dbf4a53a709516a9c1c362fd727b7ef.exe
2236	0dbf4a53a709516a9c1c362fd727b7ef.exe
2652	sgcxcxxaspf080930.exe
2652	sgcxcxxaspf080930.exe
2652	sgcxcxxaspf080930.exe
2652	sgcxcxxaspf080930.exe
2652	sgcxcxxaspf080930.exe
2652	sgcxcxxaspf080930.exe
2880	sgcxcxxaspf080930.exe
2880	sgcxcxxaspf080930.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeDebugPrivilege	2236	0dbf4a53a709516a9c1c362fd727b7ef.exe
Token: SeDebugPrivilege	2236	0dbf4a53a709516a9c1c362fd727b7ef.exe
Token: SeDebugPrivilege	2652	sgcxcxxaspf080930.exe
Token: SeDebugPrivilege	2652	sgcxcxxaspf080930.exe
Token: SeDebugPrivilege	2652	sgcxcxxaspf080930.exe
Token: SeDebugPrivilege	2652	sgcxcxxaspf080930.exe
Token: SeDebugPrivilege	2652	sgcxcxxaspf080930.exe
Token: SeDebugPrivilege	2652	sgcxcxxaspf080930.exe
Token: SeDebugPrivilege	2880	sgcxcxxaspf080930.exe
Token: SeDebugPrivilege	2880	sgcxcxxaspf080930.exe
Token: SeDebugPrivilege	2880	sgcxcxxaspf080930.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 2740	2236	0dbf4a53a709516a9c1c362fd727b7ef.exe	28
PID 2236 wrote to memory of 2740	2236	0dbf4a53a709516a9c1c362fd727b7ef.exe	28
PID 2236 wrote to memory of 2740	2236	0dbf4a53a709516a9c1c362fd727b7ef.exe	28
PID 2236 wrote to memory of 2740	2236	0dbf4a53a709516a9c1c362fd727b7ef.exe	28
PID 2740 wrote to memory of 2828	2740	svchoct.exe	31
PID 2740 wrote to memory of 2828	2740	svchoct.exe	31
PID 2740 wrote to memory of 2828	2740	svchoct.exe	31
PID 2740 wrote to memory of 2828	2740	svchoct.exe	31
PID 2828 wrote to memory of 2652	2828	cmd.exe	29
PID 2828 wrote to memory of 2652	2828	cmd.exe	29
PID 2828 wrote to memory of 2652	2828	cmd.exe	29
PID 2828 wrote to memory of 2652	2828	cmd.exe	29
PID 2740 wrote to memory of 2116	2740	svchoct.exe	34
PID 2740 wrote to memory of 2116	2740	svchoct.exe	34
PID 2740 wrote to memory of 2116	2740	svchoct.exe	34
PID 2740 wrote to memory of 2116	2740	svchoct.exe	34
PID 2116 wrote to memory of 2880	2116	cmd.exe	36
PID 2116 wrote to memory of 2880	2116	cmd.exe	36
PID 2116 wrote to memory of 2880	2116	cmd.exe	36
PID 2116 wrote to memory of 2880	2116	cmd.exe	36
PID 2880 wrote to memory of 108	2880	sgcxcxxaspf080930.exe	37
PID 2880 wrote to memory of 108	2880	sgcxcxxaspf080930.exe	37
PID 2880 wrote to memory of 108	2880	sgcxcxxaspf080930.exe	37
PID 2880 wrote to memory of 108	2880	sgcxcxxaspf080930.exe	37

C:\Users\Admin\AppData\Local\Temp\0dbf4a53a709516a9c1c362fd727b7ef.exe
"C:\Users\Admin\AppData\Local\Temp\0dbf4a53a709516a9c1c362fd727b7ef.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Windows\SysWOW64\inf\svchoct.exe
  "C:\Windows\system32\inf\svchoct.exe" C:\Windows\wftadfi16_080930a.dll tan16d
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:2740
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c "c:\myls3tecj.bat"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2828
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c "c:\myls3tecj.bat"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2116
  - - C:\Windows\system\sgcxcxxaspf080930.exe
      "C:\Windows\system\sgcxcxxaspf080930.exe" i
      4⤵
      Executes dropped EXE
      Drops file in Windows directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2880
    - - C:\Program Files\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
        5⤵
        Modifies Internet Explorer settings
        
        PID:108
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:108 CREDAT:275457 /prefetch:2
        6⤵
        
        PID:1308

C:\Windows\system\sgcxcxxaspf080930.exe
"C:\Windows\system\sgcxcxxaspf080930.exe" i
1⤵
- Adds policy Run key to start application
- Executes dropped EXE
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2652

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

Filesize
1KB

MD5
a266bb7dcc38a562631361bbf61dd11b

SHA1
3b1efd3a66ea28b16697394703a72ca340a05bd5

SHA256
df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

SHA512
0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

Filesize
242B

MD5
c59659fccc16dbc1a0f13751384cfe26

SHA1
208b4c35b4c758addb12e6bdb099e127389a032a

SHA256
ce42b3db0885dba0ad1c8331943aff5a34aa3dfa94b8d87f0cb61e506cf673e3

SHA512
98a04b9d7fb8f9bf9c11b629d9db685a12dd10421ab0ecc9c4d61662614c5964adbf257e084b6b65e067274e0bc2abd14eaa1477636ad404381acb3961fb3a58

Download Submit
C:\Windows\system\sgcxcxxaspf080930.exe

Filesize
649KB

MD5
0dbf4a53a709516a9c1c362fd727b7ef

SHA1
bdc9a44903c006b3b86797e715f46d3930365e79

SHA256
2be652d5bf6494a329b2a1087b7c8d27030c974d69a115924466a217d5cee517

SHA512
1a5c010df670ce162c574616c9a7a9309e09d3efbedf3a7846c9420a7dbb8c59a375348828cc16b93b9fbf4e88db401dd37ea322a1b57f71d2fbbcd98ed4486e

Download Submit
C:\Windows\tawisys.ini

Filesize
61B

MD5
927d810ed85ae51acd034172f6745148

SHA1
98064b5b0cf4f5118312690abb28f20b35dc8c60

SHA256
acc387ef5a53e20850cbe01cd7ab7f6e7ee2033aa42789ee08d0082571354361

SHA512
adc4200a3d4f1404be2105b65b8a26b15369bad8b298d95decddd28a61be428e80495400c43966a86244b518a0258f15eed4d6530a25e555d514363c7517cb06

Download Submit
C:\Windows\tawisys.ini

Filesize
427B

MD5
4c63fda7968d68e6b8de970c18b473fe

SHA1
4ef9f3af94dd4ebfc8e8436ab6ab8ad187eced39

SHA256
9210246c7f0a2f01fe698b9c123428c6c55990e8bf8be9ea8ff7c2052fa58aac

SHA512
1c575e199af8eef5747b908b133aad0f67f6ee0c00ea76055a2afbe9a44152e718efc04b196c081d65c1c578a9bee191ec59cbaaa813e82633198cfcae810c2a

Download Submit
C:\Windows\tawisys.ini

Filesize
460B

MD5
f0347fb28ea1f4a7e1eb6ec9551019d0

SHA1
4ad3cfefc77710b83dde84394df28cd27ddf9052

SHA256
fd13671e9b50bf4cfd7c44652ee3b13e4ddb466ae3caf2581a1b2883dfaf3ff4

SHA512
8944a9ac00390d69ab61d65a4dbebbbc5de6ae4767cfe42081c9c202c52c24e6d2abbf6264f8bdd1cee235bdad686d3dc70850c61ee3ece340daff9019d6a23a

Download Submit
C:\Windows\tawisys.ini

Filesize
487B

MD5
a933dae74401cbb9166b7fdc59ccc5de

SHA1
ef1ee10681ca603a7be16303de182b2c573dba83

SHA256
cc3b06bfae8da37e06b021948181038111c1ee72059c8a1e08c63e8d81e62ab2

SHA512
2d757f2b7e9c60614e8aeab64973245a98bf9dd2a6392f7a67187113841302b18a6a64f40ed7195fbcfc54874f6ed1460cca29b1bb520d9cee970d4f37296e95

Download Submit
\??\c:\myls3tecj.bat

Filesize
53B

MD5
5f3cd89461f7fb82092309fee54d928a

SHA1
208ddb61cd3b5b9cab6575e9c3b084cd8a762c31

SHA256
c4990862886b349f59c8a2d10ce1e84c39f6bc3cf50ba3bc2a97287c3becbedf

SHA512
047b175cd2c061a5d0d492674108febc10ef03b05691a7d89717b626c794b778534e013fcb509628260d5625954d2688faeef5a454fe311ebe0560064340a952

Download Submit
memory/2236-48-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2652-72-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2652-71-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2880-91-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2880-102-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download