oski | 9bb517a8a2e5028d0714bcba5d90c4b73c5ba2881b112f4ea2690d269dcf4017

General

Target

ORDEN DE COMPRA (2).exe
Size

556KB
MD5

b92a57975d4cee3e7a64ffd8c0b8eba1
SHA1

3dc6a5d31143af94ec21b891d1723527a04ba9bc
SHA256

9bb517a8a2e5028d0714bcba5d90c4b73c5ba2881b112f4ea2690d269dcf4017
SHA512

f413e3750aa404947df0fab43631ab802cd02e5805461202e54dafbd1829071f24d9200f2c407cb77b341e8e5528d7478c196115883d463ad79e7f00fa7a9313

Score

10^/10

oski discovery infostealer spyware stealer

Malware Config

Extracted

Family

oski

C2

vsiperu.com

Signatures

Oski
Oski is an infostealer targeting browser data, crypto wallets.
infostealer oski
Downloads MZ/PE file
Loads dropped DLL 5 IoCs

Processes:

ORDEN DE COMPRA (2).exe

pid process

1012 ORDEN DE COMPRA (2).exe
1012 ORDEN DE COMPRA (2).exe
1012 ORDEN DE COMPRA (2).exe
1012 ORDEN DE COMPRA (2).exe
1012 ORDEN DE COMPRA (2).exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Suspicious use of SetThreadContext 1 IoCs

Processes:

ORDEN DE COMPRA (2).exe

description pid process target process

PID 1908 set thread context of 1012 1908 ORDEN DE COMPRA (2).exe ORDEN DE COMPRA (2).exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.

Query Registry
T1012

System Information Discovery
T1082

Processes:

ORDEN DE COMPRA (2).exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString ORDEN DE COMPRA (2).exe
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2024 schtasks.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1696 taskkill.exe

pid	process
1012	ORDEN DE COMPRA (2).exe
1012	ORDEN DE COMPRA (2).exe
1012	ORDEN DE COMPRA (2).exe
1012	ORDEN DE COMPRA (2).exe
1012	ORDEN DE COMPRA (2).exe

description	pid	process	target process
PID 1908 set thread context of 1012	1908	ORDEN DE COMPRA (2).exe	ORDEN DE COMPRA (2).exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	ORDEN DE COMPRA (2).exe

pid	process
2024	schtasks.exe

pid	process
1696	taskkill.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

ORDEN DE COMPRA (2).exepowershell.exepowershell.exe

pid	process
1908	ORDEN DE COMPRA (2).exe
1908	ORDEN DE COMPRA (2).exe
1908	ORDEN DE COMPRA (2).exe
1908	ORDEN DE COMPRA (2).exe
1908	ORDEN DE COMPRA (2).exe
1908	ORDEN DE COMPRA (2).exe
1908	ORDEN DE COMPRA (2).exe
324	powershell.exe
1972	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

ORDEN DE COMPRA (2).exepowershell.exepowershell.exetaskkill.exe

description	pid	process
Token: SeDebugPrivilege	1908	ORDEN DE COMPRA (2).exe
Token: SeDebugPrivilege	324	powershell.exe
Token: SeDebugPrivilege	1972	powershell.exe
Token: SeDebugPrivilege	1696	taskkill.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

ORDEN DE COMPRA (2).exeORDEN DE COMPRA (2).execmd.exe

description	pid	process	target process
PID 1908 wrote to memory of 1972	1908	ORDEN DE COMPRA (2).exe	powershell.exe
PID 1908 wrote to memory of 1972	1908	ORDEN DE COMPRA (2).exe	powershell.exe
PID 1908 wrote to memory of 1972	1908	ORDEN DE COMPRA (2).exe	powershell.exe
PID 1908 wrote to memory of 1972	1908	ORDEN DE COMPRA (2).exe	powershell.exe
PID 1908 wrote to memory of 324	1908	ORDEN DE COMPRA (2).exe	powershell.exe
PID 1908 wrote to memory of 324	1908	ORDEN DE COMPRA (2).exe	powershell.exe
PID 1908 wrote to memory of 324	1908	ORDEN DE COMPRA (2).exe	powershell.exe
PID 1908 wrote to memory of 324	1908	ORDEN DE COMPRA (2).exe	powershell.exe
PID 1908 wrote to memory of 2024	1908	ORDEN DE COMPRA (2).exe	schtasks.exe
PID 1908 wrote to memory of 2024	1908	ORDEN DE COMPRA (2).exe	schtasks.exe
PID 1908 wrote to memory of 2024	1908	ORDEN DE COMPRA (2).exe	schtasks.exe
PID 1908 wrote to memory of 2024	1908	ORDEN DE COMPRA (2).exe	schtasks.exe
PID 1908 wrote to memory of 1012	1908	ORDEN DE COMPRA (2).exe	ORDEN DE COMPRA (2).exe
PID 1908 wrote to memory of 1012	1908	ORDEN DE COMPRA (2).exe	ORDEN DE COMPRA (2).exe
PID 1908 wrote to memory of 1012	1908	ORDEN DE COMPRA (2).exe	ORDEN DE COMPRA (2).exe
PID 1908 wrote to memory of 1012	1908	ORDEN DE COMPRA (2).exe	ORDEN DE COMPRA (2).exe
PID 1908 wrote to memory of 1012	1908	ORDEN DE COMPRA (2).exe	ORDEN DE COMPRA (2).exe
PID 1908 wrote to memory of 1012	1908	ORDEN DE COMPRA (2).exe	ORDEN DE COMPRA (2).exe
PID 1908 wrote to memory of 1012	1908	ORDEN DE COMPRA (2).exe	ORDEN DE COMPRA (2).exe
PID 1908 wrote to memory of 1012	1908	ORDEN DE COMPRA (2).exe	ORDEN DE COMPRA (2).exe
PID 1908 wrote to memory of 1012	1908	ORDEN DE COMPRA (2).exe	ORDEN DE COMPRA (2).exe
PID 1908 wrote to memory of 1012	1908	ORDEN DE COMPRA (2).exe	ORDEN DE COMPRA (2).exe
PID 1012 wrote to memory of 1688	1012	ORDEN DE COMPRA (2).exe	cmd.exe
PID 1012 wrote to memory of 1688	1012	ORDEN DE COMPRA (2).exe	cmd.exe
PID 1012 wrote to memory of 1688	1012	ORDEN DE COMPRA (2).exe	cmd.exe
PID 1012 wrote to memory of 1688	1012	ORDEN DE COMPRA (2).exe	cmd.exe
PID 1688 wrote to memory of 1696	1688	cmd.exe	taskkill.exe
PID 1688 wrote to memory of 1696	1688	cmd.exe	taskkill.exe
PID 1688 wrote to memory of 1696	1688	cmd.exe	taskkill.exe
PID 1688 wrote to memory of 1696	1688	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\ORDEN DE COMPRA (2).exe
"C:\Users\Admin\AppData\Local\Temp\ORDEN DE COMPRA (2).exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1908

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\ORDEN DE COMPRA (2).exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1972

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vJDOyzKfgYgvV.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:324

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vJDOyzKfgYgvV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp690F.tmp"
2⤵
- Creates scheduled task(s)
PID:2024

C:\Users\Admin\AppData\Local\Temp\ORDEN DE COMPRA (2).exe
"C:\Users\Admin\AppData\Local\Temp\ORDEN DE COMPRA (2).exe"
2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1012

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /pid 1012 & erase C:\Users\Admin\AppData\Local\Temp\ORDEN DE COMPRA (2).exe & RD /S /Q C:\\ProgramData\\456081905350793\\* & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:1688

C:\Windows\SysWOW64\taskkill.exe
taskkill /pid 1012
4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1696

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp690F.tmp
MD5
e0424c39c2b0ef0097935a7d317f28ce

SHA1
9273b913f557e7919986a42e4ec10a308d6e6085

SHA256
ab129f584cc3839e9290e8fef5d8d1353934fab3e79b38f3809365f50d39e0a4

SHA512
69480bbb03e8d33014f884b0c7581fe31f0096466bda3013a7ec6a611d8a8046609efd68c57ae9a5847cc93ed6f8ccfac59f530d696a6d9aeaa566bc2017bca0

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
MD5
6d75f3ccf7263b23ba51646351d2bbfa

SHA1
d0eca5bc003efd44f19ddff3aa4cb07e40173b25

SHA256
fd9fb3d3d928c8d74f0b6617ad0c6ab01e3a9a81e6598bd21be8905610bb70a7

SHA512
fa8fd83d4caf9cce97c204a034ef10d2987628916707cadee62ead9916526f7f0b1bad13a86a881f43992d576f6b73af00ec9dacc3d24eb89fe85c68f6173dd2

Download Submit
\ProgramData\mozglue.dll
MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
\ProgramData\msvcp140.dll
MD5
109f0f02fd37c84bfc7508d4227d7ed5

SHA1
ef7420141bb15ac334d3964082361a460bfdb975

SHA256
334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

SHA512
46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

Download Submit
\ProgramData\nss3.dll
MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
\ProgramData\sqlite3.dll
MD5
e477a96c8f2b18d6b5c27bde49c990bf

SHA1
e980c9bf41330d1e5bd04556db4646a0210f7409

SHA256
16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

SHA512
335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

Download Submit
\ProgramData\vcruntime140.dll
MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

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memory/324-80-0x00000000023A2000-0x00000000023A4000-memory.dmp

Filesize
8KB

Download
memory/324-62-0x0000000000000000-mapping.dmp

Download
memory/324-76-0x00000000023A0000-0x00000000023A1000-memory.dmp

Filesize
4KB

Download
memory/324-78-0x00000000023A1000-0x00000000023A2000-memory.dmp

Filesize
4KB

Download
memory/1012-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1012-69-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1012-71-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1012-72-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1012-73-0x000000000040717B-mapping.dmp

Download
memory/1012-68-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1012-79-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1012-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1688-87-0x0000000000000000-mapping.dmp

Download
memory/1696-88-0x0000000000000000-mapping.dmp

Download
memory/1908-59-0x0000000004D70000-0x0000000004DD5000-memory.dmp

Filesize
404KB

Download
memory/1908-55-0x0000000000F50000-0x0000000000F51000-memory.dmp

Filesize
4KB

Download
memory/1908-58-0x0000000000BC0000-0x0000000000BC1000-memory.dmp

Filesize
4KB

Download
memory/1908-57-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/1972-77-0x00000000024F1000-0x00000000024F2000-memory.dmp

Filesize
4KB

Download
memory/1972-75-0x00000000024F0000-0x00000000024F1000-memory.dmp

Filesize
4KB

Download
memory/1972-81-0x00000000024F2000-0x00000000024F4000-memory.dmp

Filesize
8KB

Download
memory/1972-61-0x0000000074F01000-0x0000000074F03000-memory.dmp

Filesize
8KB

Download
memory/1972-60-0x0000000000000000-mapping.dmp

Download
memory/2024-63-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads