oski | e5824681466b0a8b36f470252d644bc5a4333d83a8987021df491b471ef8d473

Analysis

max time kernel
19s
max time network
54s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
24/07/2024, 19:17

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General

Target

962EA3E84B772C84BC0D9495CC00BF547CA80AC1ED34026CB971B6F5EB9DEEC8.exe
Size

216KB
MD5

eee333c1637253245c3fc51775ba7395
SHA1

bd111eaf7f7687a87de02aa87acdde9d4cd51eb8
SHA256

e5824681466b0a8b36f470252d644bc5a4333d83a8987021df491b471ef8d473
SHA512

c3ad219bacb1c7fc2feb98848bbf61bd559ed9c6ec2ebfb9d4d7380fcd7b34a4f895be7b5f3ac3f588add74bcd8a4cefe6a9b58ad73310e862030ed0f942e087
SSDEEP

3072:efUomEuYm98dlSq7gt5q7Dx+XgS6aCEwhOfUbCalNT2pbB3fIh1Xi6FLPo3cCGCH:efUauY68uSWCx+XA7mg2pNQ1Ljo3cj

Score

10^/10

oski aspackv2 credential_access discovery infostealer spyware stealer

Malware Config

Extracted

Family

oski

wellsfargocs.ddns.us

Signatures

Oski
Oski is an infostealer targeting browser data, crypto wallets.
infostealer oski
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x000e00000001270c-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2156	ScqFnHip.exe

Loads dropped DLL 2 IoCs

pid	Process
1668	962EA3E84B772C84BC0D9495CC00BF547CA80AC1ED34026CB971B6F5EB9DEEC8.exe
1668	962EA3E84B772C84BC0D9495CC00BF547CA80AC1ED34026CB971B6F5EB9DEEC8.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
T1552.001

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	ScqFnHip.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	ScqFnHip.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	ScqFnHip.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	ScqFnHip.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	ScqFnHip.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	ScqFnHip.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	ScqFnHip.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	ScqFnHip.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	ScqFnHip.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	ScqFnHip.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	ScqFnHip.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	ScqFnHip.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	ScqFnHip.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	ScqFnHip.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	ScqFnHip.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	ScqFnHip.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	ScqFnHip.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	ScqFnHip.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	ScqFnHip.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	ScqFnHip.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe	ScqFnHip.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	ScqFnHip.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2604	1668	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	962EA3E84B772C84BC0D9495CC00BF547CA80AC1ED34026CB971B6F5EB9DEEC8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ScqFnHip.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 2156	1668	962EA3E84B772C84BC0D9495CC00BF547CA80AC1ED34026CB971B6F5EB9DEEC8.exe	30
PID 1668 wrote to memory of 2156	1668	962EA3E84B772C84BC0D9495CC00BF547CA80AC1ED34026CB971B6F5EB9DEEC8.exe	30
PID 1668 wrote to memory of 2156	1668	962EA3E84B772C84BC0D9495CC00BF547CA80AC1ED34026CB971B6F5EB9DEEC8.exe	30
PID 1668 wrote to memory of 2156	1668	962EA3E84B772C84BC0D9495CC00BF547CA80AC1ED34026CB971B6F5EB9DEEC8.exe	30
PID 1668 wrote to memory of 2604	1668	962EA3E84B772C84BC0D9495CC00BF547CA80AC1ED34026CB971B6F5EB9DEEC8.exe	31
PID 1668 wrote to memory of 2604	1668	962EA3E84B772C84BC0D9495CC00BF547CA80AC1ED34026CB971B6F5EB9DEEC8.exe	31
PID 1668 wrote to memory of 2604	1668	962EA3E84B772C84BC0D9495CC00BF547CA80AC1ED34026CB971B6F5EB9DEEC8.exe	31
PID 1668 wrote to memory of 2604	1668	962EA3E84B772C84BC0D9495CC00BF547CA80AC1ED34026CB971B6F5EB9DEEC8.exe	31
PID 2156 wrote to memory of 2840	2156	ScqFnHip.exe	32
PID 2156 wrote to memory of 2840	2156	ScqFnHip.exe	32
PID 2156 wrote to memory of 2840	2156	ScqFnHip.exe	32
PID 2156 wrote to memory of 2840	2156	ScqFnHip.exe	32

C:\Users\Admin\AppData\Local\Temp\962EA3E84B772C84BC0D9495CC00BF547CA80AC1ED34026CB971B6F5EB9DEEC8.exe
"C:\Users\Admin\AppData\Local\Temp\962EA3E84B772C84BC0D9495CC00BF547CA80AC1ED34026CB971B6F5EB9DEEC8.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Users\Admin\AppData\Local\Temp\ScqFnHip.exe
  C:\Users\Admin\AppData\Local\Temp\ScqFnHip.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2156
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\0f5e568e.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2840
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1668 -s 788
  2⤵
  - Program crash
  PID:2604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\msvcp140.dll

Filesize
252B

MD5
bfd986155d142e8d9b7c9abe96fee0ad

SHA1
a01e08e76db2322a020fea44fbdc550b2ab23840

SHA256
0521d11937d55b5e9549a0474209b77e6cd0df2e5da4c6b98f518065c56b50bb

SHA512
a3fce419969816aa99880b1613ceb2bdfd4d2383f8f4f4f7ef65c8abbdc231b8e61281b1c9240882ac03e30b0417bf06ce943d2dc590672c964aa62691b77871

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\Z7V06J7Q\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\0f5e568e.bat

Filesize
191B

MD5
edbad3dfd37493f48b283862479145f6

SHA1
b4cd5dbd6c86a94c57d7537c54a1cc33e978265c

SHA256
90fe4c4a7d77a97aecab3a0b455313dfe73f2c6a6e23fe7dd0446d1f9dfc08a3

SHA512
a70acedd1c6abe0a8d4cfe70cea22cf3d888846727fba1737bfce9ed3a9a928cd52d702aa4be77aac8ca94818f1f8fad19f740da43739101b9760b361b050f16

Download Submit
C:\Users\Admin\AppData\Local\Temp\5C746DAF.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
\Users\Admin\AppData\Local\Temp\ScqFnHip.exe

Filesize
15KB

MD5
f7d21de5c4e81341eccd280c11ddcc9a

SHA1
d4e9ef10d7685d491583c6fa93ae5d9105d815bd

SHA256
4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

SHA512
e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

Download Submit
memory/1668-0-0x00000000003A0000-0x00000000003DD000-memory.dmp

Filesize
244KB

Download
memory/1668-9-0x0000000000070000-0x0000000000079000-memory.dmp

Filesize
36KB

Download
memory/1668-8-0x0000000000070000-0x0000000000079000-memory.dmp

Filesize
36KB

Download
memory/1668-64-0x00000000003A0000-0x00000000003DD000-memory.dmp

Filesize
244KB

Download
memory/2156-12-0x0000000000FA0000-0x0000000000FA9000-memory.dmp

Filesize
36KB

Download
memory/2156-62-0x0000000000FA0000-0x0000000000FA9000-memory.dmp

Filesize
36KB

Download