oski | d43a3e7224191e2e6c7639033a7adada48053f4040fcbe5f8892e40cbdb9a86e

General

Target

ORDEN DE COMPRA (2).exe
Size

452KB
MD5

827769160f1c2f95f9695a2d5fb54196
SHA1

9dce9a6f44019f71fdb3269e20fcedd1eb46dcd8
SHA256

d43a3e7224191e2e6c7639033a7adada48053f4040fcbe5f8892e40cbdb9a86e
SHA512

bf063cb3538d6d67f487c6a2b3fa283cd375e2739e40638db3194329c9b8894402c8ee4c7915a29dffcd51505336dfee3a7e3b81303718e30f7b3f8588bdbe4f

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

1652 ORDEN DE COMPRA (2).exe
1652 ORDEN DE COMPRA (2).exe
1652 ORDEN DE COMPRA (2).exe
1652 ORDEN DE COMPRA (2).exe
1652 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 1084 set thread context of 1652 1084 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

1980 schtasks.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

572 taskkill.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exepowershell.exe

pid process

284 powershell.exe
1856 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exetaskkill.exe

description pid process

Token: SeDebugPrivilege 284 powershell.exe
Token: SeDebugPrivilege 1856 powershell.exe
Token: SeDebugPrivilege 572 taskkill.exe

pid	process
1652	ORDEN DE COMPRA (2).exe
1652	ORDEN DE COMPRA (2).exe
1652	ORDEN DE COMPRA (2).exe
1652	ORDEN DE COMPRA (2).exe
1652	ORDEN DE COMPRA (2).exe

description	pid	process	target process
PID 1084 set thread context of 1652	1084	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
1980	schtasks.exe

pid	process
572	taskkill.exe

pid	process
284	powershell.exe
1856	powershell.exe

description	pid	process
Token: SeDebugPrivilege	284	powershell.exe
Token: SeDebugPrivilege	1856	powershell.exe
Token: SeDebugPrivilege	572	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 1084 wrote to memory of 1856	1084	ORDEN DE COMPRA (2).exe	powershell.exe
PID 1084 wrote to memory of 1856	1084	ORDEN DE COMPRA (2).exe	powershell.exe
PID 1084 wrote to memory of 1856	1084	ORDEN DE COMPRA (2).exe	powershell.exe
PID 1084 wrote to memory of 1856	1084	ORDEN DE COMPRA (2).exe	powershell.exe
PID 1084 wrote to memory of 284	1084	ORDEN DE COMPRA (2).exe	powershell.exe
PID 1084 wrote to memory of 284	1084	ORDEN DE COMPRA (2).exe	powershell.exe
PID 1084 wrote to memory of 284	1084	ORDEN DE COMPRA (2).exe	powershell.exe
PID 1084 wrote to memory of 284	1084	ORDEN DE COMPRA (2).exe	powershell.exe
PID 1084 wrote to memory of 1980	1084	ORDEN DE COMPRA (2).exe	schtasks.exe
PID 1084 wrote to memory of 1980	1084	ORDEN DE COMPRA (2).exe	schtasks.exe
PID 1084 wrote to memory of 1980	1084	ORDEN DE COMPRA (2).exe	schtasks.exe
PID 1084 wrote to memory of 1980	1084	ORDEN DE COMPRA (2).exe	schtasks.exe
PID 1084 wrote to memory of 1652	1084	ORDEN DE COMPRA (2).exe	ORDEN DE COMPRA (2).exe
PID 1084 wrote to memory of 1652	1084	ORDEN DE COMPRA (2).exe	ORDEN DE COMPRA (2).exe
PID 1084 wrote to memory of 1652	1084	ORDEN DE COMPRA (2).exe	ORDEN DE COMPRA (2).exe
PID 1084 wrote to memory of 1652	1084	ORDEN DE COMPRA (2).exe	ORDEN DE COMPRA (2).exe
PID 1084 wrote to memory of 1652	1084	ORDEN DE COMPRA (2).exe	ORDEN DE COMPRA (2).exe
PID 1084 wrote to memory of 1652	1084	ORDEN DE COMPRA (2).exe	ORDEN DE COMPRA (2).exe
PID 1084 wrote to memory of 1652	1084	ORDEN DE COMPRA (2).exe	ORDEN DE COMPRA (2).exe
PID 1084 wrote to memory of 1652	1084	ORDEN DE COMPRA (2).exe	ORDEN DE COMPRA (2).exe
PID 1084 wrote to memory of 1652	1084	ORDEN DE COMPRA (2).exe	ORDEN DE COMPRA (2).exe
PID 1084 wrote to memory of 1652	1084	ORDEN DE COMPRA (2).exe	ORDEN DE COMPRA (2).exe
PID 1652 wrote to memory of 1584	1652	ORDEN DE COMPRA (2).exe	cmd.exe
PID 1652 wrote to memory of 1584	1652	ORDEN DE COMPRA (2).exe	cmd.exe
PID 1652 wrote to memory of 1584	1652	ORDEN DE COMPRA (2).exe	cmd.exe
PID 1652 wrote to memory of 1584	1652	ORDEN DE COMPRA (2).exe	cmd.exe
PID 1584 wrote to memory of 572	1584	cmd.exe	taskkill.exe
PID 1584 wrote to memory of 572	1584	cmd.exe	taskkill.exe
PID 1584 wrote to memory of 572	1584	cmd.exe	taskkill.exe
PID 1584 wrote to memory of 572	1584	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 use of WriteProcessMemory
PID:1084

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:1856

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qOFbFPmreQVBDE.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:284

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qOFbFPmreQVBDE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7742.tmp"
2⤵
- Creates scheduled task(s)
PID:1980

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:1652

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /pid 1652 & erase C:\Users\Admin\AppData\Local\Temp\ORDEN DE COMPRA (2).exe & RD /S /Q C:\\ProgramData\\838558410974009\\* & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:1584

C:\Windows\SysWOW64\taskkill.exe
taskkill /pid 1652
4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:572

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7742.tmp
MD5
20942fa62af6c0af69c15fbd3daeefc7

SHA1
eb2d4f49e363a7a48480f1ab16c9e5c950595206

SHA256
0d17c49fb4c2c23200f817cb5eae4ee439fed48b69ab43a7233023cf871c0f55

SHA512
dc58d0226dea777dc9aa0d2f132940e6ce1f5dc68a472624acbf65d111ae6a73733a5b0e271015b2533b60036f4afdea5456cacc8e533e94fd1c851be399b957

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
MD5
ea8b8039b2eea724589a3b06b5df303e

SHA1
00c79ada649829085436fd4bd6c8c389ad9c7546

SHA256
65de8d41d6c6843b3ee8489ede2dfb2fde90b0faea30fe83d58402fedb6698e5

SHA512
4d60dbd65d96bc94716c6d458f09d24138667d520d6de66d09e37b50bc7d55c66b8b3c8415fe47fa92f6dd5276893a2f6a0dbf56f610d43982190dfedf75d432

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

Download Submit
memory/284-71-0x00000000024B0000-0x00000000030FA000-memory.dmp

Filesize
12.3MB

Download
memory/284-63-0x0000000000000000-mapping.dmp

Download
memory/284-69-0x00000000024B0000-0x00000000030FA000-memory.dmp

Filesize
12.3MB

Download
memory/284-81-0x00000000024B0000-0x00000000030FA000-memory.dmp

Filesize
12.3MB

Download
memory/572-89-0x0000000000000000-mapping.dmp

Download
memory/1084-55-0x0000000000B80000-0x0000000000B81000-memory.dmp

Filesize
4KB

Download
memory/1084-60-0x0000000004A90000-0x0000000004AF5000-memory.dmp

Filesize
404KB

Download
memory/1084-59-0x0000000000880000-0x0000000000886000-memory.dmp

Filesize
24KB

Download
memory/1084-57-0x0000000075A61000-0x0000000075A63000-memory.dmp

Filesize
8KB

Download
memory/1084-58-0x0000000002180000-0x0000000002181000-memory.dmp

Filesize
4KB

Download
memory/1584-88-0x0000000000000000-mapping.dmp

Download
memory/1652-75-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1652-77-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1652-78-0x000000000040717B-mapping.dmp

Download
memory/1652-73-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1652-74-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1652-82-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1652-76-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1652-72-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1856-79-0x0000000001EF2000-0x0000000001EF4000-memory.dmp

Filesize
8KB

Download
memory/1856-70-0x0000000001EF1000-0x0000000001EF2000-memory.dmp

Filesize
4KB

Download
memory/1856-68-0x0000000001EF0000-0x0000000001EF1000-memory.dmp

Filesize
4KB

Download
memory/1856-61-0x0000000000000000-mapping.dmp

Download
memory/1980-64-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads