0060f4b284311a1d9ada6de85715edfe17ff4cf9eb017f5dd8062a6f78c9e1af

Resubmissions

01-10-2023 16:32

231001-t2a6faca4y 10

28-09-2023 14:22

230928-rpyd4abh6w 7

Analysis

max time kernel
33s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
28-09-2023 14:22

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General

Target

Skype_8.100.210.exe
Size

128.9MB
MD5

d3c3efb0780a89f422ec534b2b074c46
SHA1

d1ff15bd023db94036f9be3c4a2f940637fe01ba
SHA256

0060f4b284311a1d9ada6de85715edfe17ff4cf9eb017f5dd8062a6f78c9e1af
SHA512

d1199375f7247b8d3e2b2030e42178feb02c454f562ce74e36f70c9d755e82c6acaf0f239a73dffd47c935feb5961ff006d5e882690b08a5273adfb939954c15
SSDEEP

3145728:OIw/6LnbjoLzQf7gMbmaBZQvS+IoqBCqJo2Wy9T4If:1hLnIQfkKCPqWEp

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 6 IoCs

pid	Process
1780	MsiExec.exe
2712	MsiExec.exe
2712	MsiExec.exe
2712	MsiExec.exe
2712	MsiExec.exe
2712	MsiExec.exe

Enumerates connected drives 3 TTPs 64 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\M:	Skype_8.100.210.exe
File opened (read-only)	\??\T:	Skype_8.100.210.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\B:	Skype_8.100.210.exe
File opened (read-only)	\??\K:	Skype_8.100.210.exe
File opened (read-only)	\??\P:	Skype_8.100.210.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\E:	Skype_8.100.210.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\O:	Skype_8.100.210.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\A:	Skype_8.100.210.exe
File opened (read-only)	\??\H:	Skype_8.100.210.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\N:	Skype_8.100.210.exe
File opened (read-only)	\??\R:	Skype_8.100.210.exe
File opened (read-only)	\??\Q:	Skype_8.100.210.exe
File opened (read-only)	\??\U:	Skype_8.100.210.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\G:	Skype_8.100.210.exe
File opened (read-only)	\??\W:	Skype_8.100.210.exe
File opened (read-only)	\??\Y:	Skype_8.100.210.exe
File opened (read-only)	\??\Z:	Skype_8.100.210.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\L:	Skype_8.100.210.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\I:	Skype_8.100.210.exe
File opened (read-only)	\??\J:	Skype_8.100.210.exe
File opened (read-only)	\??\X:	Skype_8.100.210.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\S:	Skype_8.100.210.exe
File opened (read-only)	\??\V:	Skype_8.100.210.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeSecurityPrivilege	3152	msiexec.exe
Token: SeCreateTokenPrivilege	3760	Skype_8.100.210.exe
Token: SeAssignPrimaryTokenPrivilege	3760	Skype_8.100.210.exe
Token: SeLockMemoryPrivilege	3760	Skype_8.100.210.exe
Token: SeIncreaseQuotaPrivilege	3760	Skype_8.100.210.exe
Token: SeMachineAccountPrivilege	3760	Skype_8.100.210.exe
Token: SeTcbPrivilege	3760	Skype_8.100.210.exe
Token: SeSecurityPrivilege	3760	Skype_8.100.210.exe
Token: SeTakeOwnershipPrivilege	3760	Skype_8.100.210.exe
Token: SeLoadDriverPrivilege	3760	Skype_8.100.210.exe
Token: SeSystemProfilePrivilege	3760	Skype_8.100.210.exe
Token: SeSystemtimePrivilege	3760	Skype_8.100.210.exe
Token: SeProfSingleProcessPrivilege	3760	Skype_8.100.210.exe
Token: SeIncBasePriorityPrivilege	3760	Skype_8.100.210.exe
Token: SeCreatePagefilePrivilege	3760	Skype_8.100.210.exe
Token: SeCreatePermanentPrivilege	3760	Skype_8.100.210.exe
Token: SeBackupPrivilege	3760	Skype_8.100.210.exe
Token: SeRestorePrivilege	3760	Skype_8.100.210.exe
Token: SeShutdownPrivilege	3760	Skype_8.100.210.exe
Token: SeDebugPrivilege	3760	Skype_8.100.210.exe
Token: SeAuditPrivilege	3760	Skype_8.100.210.exe
Token: SeSystemEnvironmentPrivilege	3760	Skype_8.100.210.exe
Token: SeChangeNotifyPrivilege	3760	Skype_8.100.210.exe
Token: SeRemoteShutdownPrivilege	3760	Skype_8.100.210.exe
Token: SeUndockPrivilege	3760	Skype_8.100.210.exe
Token: SeSyncAgentPrivilege	3760	Skype_8.100.210.exe
Token: SeEnableDelegationPrivilege	3760	Skype_8.100.210.exe
Token: SeManageVolumePrivilege	3760	Skype_8.100.210.exe
Token: SeImpersonatePrivilege	3760	Skype_8.100.210.exe
Token: SeCreateGlobalPrivilege	3760	Skype_8.100.210.exe
Token: SeCreateTokenPrivilege	3760	Skype_8.100.210.exe
Token: SeAssignPrimaryTokenPrivilege	3760	Skype_8.100.210.exe
Token: SeLockMemoryPrivilege	3760	Skype_8.100.210.exe
Token: SeIncreaseQuotaPrivilege	3760	Skype_8.100.210.exe
Token: SeMachineAccountPrivilege	3760	Skype_8.100.210.exe
Token: SeTcbPrivilege	3760	Skype_8.100.210.exe
Token: SeSecurityPrivilege	3760	Skype_8.100.210.exe
Token: SeTakeOwnershipPrivilege	3760	Skype_8.100.210.exe
Token: SeLoadDriverPrivilege	3760	Skype_8.100.210.exe
Token: SeSystemProfilePrivilege	3760	Skype_8.100.210.exe
Token: SeSystemtimePrivilege	3760	Skype_8.100.210.exe
Token: SeProfSingleProcessPrivilege	3760	Skype_8.100.210.exe
Token: SeIncBasePriorityPrivilege	3760	Skype_8.100.210.exe
Token: SeCreatePagefilePrivilege	3760	Skype_8.100.210.exe
Token: SeCreatePermanentPrivilege	3760	Skype_8.100.210.exe
Token: SeBackupPrivilege	3760	Skype_8.100.210.exe
Token: SeRestorePrivilege	3760	Skype_8.100.210.exe
Token: SeShutdownPrivilege	3760	Skype_8.100.210.exe
Token: SeDebugPrivilege	3760	Skype_8.100.210.exe
Token: SeAuditPrivilege	3760	Skype_8.100.210.exe
Token: SeSystemEnvironmentPrivilege	3760	Skype_8.100.210.exe
Token: SeChangeNotifyPrivilege	3760	Skype_8.100.210.exe
Token: SeRemoteShutdownPrivilege	3760	Skype_8.100.210.exe
Token: SeUndockPrivilege	3760	Skype_8.100.210.exe
Token: SeSyncAgentPrivilege	3760	Skype_8.100.210.exe
Token: SeEnableDelegationPrivilege	3760	Skype_8.100.210.exe
Token: SeManageVolumePrivilege	3760	Skype_8.100.210.exe
Token: SeImpersonatePrivilege	3760	Skype_8.100.210.exe
Token: SeCreateGlobalPrivilege	3760	Skype_8.100.210.exe
Token: SeCreateTokenPrivilege	3760	Skype_8.100.210.exe
Token: SeAssignPrimaryTokenPrivilege	3760	Skype_8.100.210.exe
Token: SeLockMemoryPrivilege	3760	Skype_8.100.210.exe
Token: SeIncreaseQuotaPrivilege	3760	Skype_8.100.210.exe
Token: SeMachineAccountPrivilege	3760	Skype_8.100.210.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3760	Skype_8.100.210.exe
4640	msiexec.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3152 wrote to memory of 1780	3152	msiexec.exe	92
PID 3152 wrote to memory of 1780	3152	msiexec.exe	92
PID 3152 wrote to memory of 1780	3152	msiexec.exe	92
PID 3760 wrote to memory of 4640	3760	Skype_8.100.210.exe	93
PID 3760 wrote to memory of 4640	3760	Skype_8.100.210.exe	93
PID 3760 wrote to memory of 4640	3760	Skype_8.100.210.exe	93
PID 3152 wrote to memory of 2712	3152	msiexec.exe	95
PID 3152 wrote to memory of 2712	3152	msiexec.exe	95
PID 3152 wrote to memory of 2712	3152	msiexec.exe	95

C:\Users\Admin\AppData\Local\Temp\Skype_8.100.210.exe
"C:\Users\Admin\AppData\Local\Temp\Skype_8.100.210.exe"
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3760
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\system32\msiexec.exe" /i "C:\Users\Admin\AppData\Roaming\Skype\Skype 07\install\Skype.msi" AI_SETUPEXEPATH=C:\Users\Admin\AppData\Local\Temp\Skype_8.100.210.exe SETUPEXEDIR=C:\Users\Admin\AppData\Local\Temp\ EXE_CMD_LINE="/exenoupdates /forcecleanup /wintime 1695670460 "
  2⤵
  - Enumerates connected drives
  - Suspicious use of FindShellTrayWindow
  PID:4640

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3152
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 0E109CE64CBA4769FE508A8F276368A6 C
  2⤵
  - Loads dropped DLL
  PID:1780
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 74D7F2235706BB7462E79133632A4E35 C
  2⤵
  - Loads dropped DLL
  PID:2712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\MSI9358.tmp

Filesize
374KB

MD5
5e33a5224c4d523a2517ba8a96aaff42

SHA1
12e41a9380cc890053b5c7e19769c76bfa1608d4

SHA256
d64407a6d5a5d48ddefd8376d8e7732f6e5d2318cf1671cb367302d566ed958c

SHA512
bdb2d57de5104db15c06e5aa4b852a007ef29139750eec050cd3ee013b7df1e15376b01528e32a1859a2132452032f27a4fcd58d163dd927b4b00a6b1b2ad8f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSI9358.tmp

Filesize
374KB

MD5
5e33a5224c4d523a2517ba8a96aaff42

SHA1
12e41a9380cc890053b5c7e19769c76bfa1608d4

SHA256
d64407a6d5a5d48ddefd8376d8e7732f6e5d2318cf1671cb367302d566ed958c

SHA512
bdb2d57de5104db15c06e5aa4b852a007ef29139750eec050cd3ee013b7df1e15376b01528e32a1859a2132452032f27a4fcd58d163dd927b4b00a6b1b2ad8f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSI9664.tmp

Filesize
374KB

MD5
5e33a5224c4d523a2517ba8a96aaff42

SHA1
12e41a9380cc890053b5c7e19769c76bfa1608d4

SHA256
d64407a6d5a5d48ddefd8376d8e7732f6e5d2318cf1671cb367302d566ed958c

SHA512
bdb2d57de5104db15c06e5aa4b852a007ef29139750eec050cd3ee013b7df1e15376b01528e32a1859a2132452032f27a4fcd58d163dd927b4b00a6b1b2ad8f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSI9664.tmp

Filesize
374KB

MD5
5e33a5224c4d523a2517ba8a96aaff42

SHA1
12e41a9380cc890053b5c7e19769c76bfa1608d4

SHA256
d64407a6d5a5d48ddefd8376d8e7732f6e5d2318cf1671cb367302d566ed958c

SHA512
bdb2d57de5104db15c06e5aa4b852a007ef29139750eec050cd3ee013b7df1e15376b01528e32a1859a2132452032f27a4fcd58d163dd927b4b00a6b1b2ad8f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSI9701.tmp

Filesize
374KB

MD5
5e33a5224c4d523a2517ba8a96aaff42

SHA1
12e41a9380cc890053b5c7e19769c76bfa1608d4

SHA256
d64407a6d5a5d48ddefd8376d8e7732f6e5d2318cf1671cb367302d566ed958c

SHA512
bdb2d57de5104db15c06e5aa4b852a007ef29139750eec050cd3ee013b7df1e15376b01528e32a1859a2132452032f27a4fcd58d163dd927b4b00a6b1b2ad8f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSI9701.tmp

Filesize
374KB

MD5
5e33a5224c4d523a2517ba8a96aaff42

SHA1
12e41a9380cc890053b5c7e19769c76bfa1608d4

SHA256
d64407a6d5a5d48ddefd8376d8e7732f6e5d2318cf1671cb367302d566ed958c

SHA512
bdb2d57de5104db15c06e5aa4b852a007ef29139750eec050cd3ee013b7df1e15376b01528e32a1859a2132452032f27a4fcd58d163dd927b4b00a6b1b2ad8f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSI9701.tmp

Filesize
374KB

MD5
5e33a5224c4d523a2517ba8a96aaff42

SHA1
12e41a9380cc890053b5c7e19769c76bfa1608d4

SHA256
d64407a6d5a5d48ddefd8376d8e7732f6e5d2318cf1671cb367302d566ed958c

SHA512
bdb2d57de5104db15c06e5aa4b852a007ef29139750eec050cd3ee013b7df1e15376b01528e32a1859a2132452032f27a4fcd58d163dd927b4b00a6b1b2ad8f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSI9750.tmp

Filesize
374KB

MD5
5e33a5224c4d523a2517ba8a96aaff42

SHA1
12e41a9380cc890053b5c7e19769c76bfa1608d4

SHA256
d64407a6d5a5d48ddefd8376d8e7732f6e5d2318cf1671cb367302d566ed958c

SHA512
bdb2d57de5104db15c06e5aa4b852a007ef29139750eec050cd3ee013b7df1e15376b01528e32a1859a2132452032f27a4fcd58d163dd927b4b00a6b1b2ad8f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSI9750.tmp

Filesize
374KB

MD5
5e33a5224c4d523a2517ba8a96aaff42

SHA1
12e41a9380cc890053b5c7e19769c76bfa1608d4

SHA256
d64407a6d5a5d48ddefd8376d8e7732f6e5d2318cf1671cb367302d566ed958c

SHA512
bdb2d57de5104db15c06e5aa4b852a007ef29139750eec050cd3ee013b7df1e15376b01528e32a1859a2132452032f27a4fcd58d163dd927b4b00a6b1b2ad8f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSI9780.tmp

Filesize
374KB

MD5
5e33a5224c4d523a2517ba8a96aaff42

SHA1
12e41a9380cc890053b5c7e19769c76bfa1608d4

SHA256
d64407a6d5a5d48ddefd8376d8e7732f6e5d2318cf1671cb367302d566ed958c

SHA512
bdb2d57de5104db15c06e5aa4b852a007ef29139750eec050cd3ee013b7df1e15376b01528e32a1859a2132452032f27a4fcd58d163dd927b4b00a6b1b2ad8f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSI9780.tmp

Filesize
374KB

MD5
5e33a5224c4d523a2517ba8a96aaff42

SHA1
12e41a9380cc890053b5c7e19769c76bfa1608d4

SHA256
d64407a6d5a5d48ddefd8376d8e7732f6e5d2318cf1671cb367302d566ed958c

SHA512
bdb2d57de5104db15c06e5aa4b852a007ef29139750eec050cd3ee013b7df1e15376b01528e32a1859a2132452032f27a4fcd58d163dd927b4b00a6b1b2ad8f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSI988B.tmp

Filesize
374KB

MD5
5e33a5224c4d523a2517ba8a96aaff42

SHA1
12e41a9380cc890053b5c7e19769c76bfa1608d4

SHA256
d64407a6d5a5d48ddefd8376d8e7732f6e5d2318cf1671cb367302d566ed958c

SHA512
bdb2d57de5104db15c06e5aa4b852a007ef29139750eec050cd3ee013b7df1e15376b01528e32a1859a2132452032f27a4fcd58d163dd927b4b00a6b1b2ad8f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSI988B.tmp

Filesize
374KB

MD5
5e33a5224c4d523a2517ba8a96aaff42

SHA1
12e41a9380cc890053b5c7e19769c76bfa1608d4

SHA256
d64407a6d5a5d48ddefd8376d8e7732f6e5d2318cf1671cb367302d566ed958c

SHA512
bdb2d57de5104db15c06e5aa4b852a007ef29139750eec050cd3ee013b7df1e15376b01528e32a1859a2132452032f27a4fcd58d163dd927b4b00a6b1b2ad8f1

Download Submit
C:\Users\Admin\AppData\Roaming\Skype\Skype 07\install\Skype.msi

Filesize
1.7MB

MD5
18194177dadf1e551a3c597f0c25f08c

SHA1
8523271b94c2d974535c0365e7856f625d79970a

SHA256
e93352a2cb8c988beb482ae4d6adeffb7ee2e9e3d4bb7261ef39d9db845bdcd2

SHA512
1ad4507207b36c9c1737e8e63d71cefaac13ed7c6f666ea6600a5df730520520abb3eda467cc16dfca92e860e0a74464909e503ce5b4900419bd2b8ab608f3c6

Download Submit
C:\Users\Admin\AppData\Roaming\Skype\Skype 07\install\Skype.msi

Filesize
1.7MB

MD5
18194177dadf1e551a3c597f0c25f08c

SHA1
8523271b94c2d974535c0365e7856f625d79970a

SHA256
e93352a2cb8c988beb482ae4d6adeffb7ee2e9e3d4bb7261ef39d9db845bdcd2

SHA512
1ad4507207b36c9c1737e8e63d71cefaac13ed7c6f666ea6600a5df730520520abb3eda467cc16dfca92e860e0a74464909e503ce5b4900419bd2b8ab608f3c6

Download Submit