arkei | 58439dcc59f801b60ab3fda64fd1a5e3ae1a0de95dec6abff06e047603187ea1

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
25-07-2024 03:04

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General

Target

58439dcc59f801b60ab3fda64fd1a5e3ae1a0de95dec6abff06e047603187ea1.exe
Size

267KB
MD5

78e2c97b3c64d2ca616d66d01182905f
SHA1

b124245b6716dacbbf84e1aede6b2854a5a8e8ca
SHA256

58439dcc59f801b60ab3fda64fd1a5e3ae1a0de95dec6abff06e047603187ea1
SHA512

30ba7b76a83a1f9a3eff3d7e536e152957db5670f0907d894b777f42098e5e30bb3d79e13dcf2e6a535626890cda983162202e3e022fd3a59a97039c36fd6b30
SSDEEP

3072:vsKwyFGOjBfvmRGEmRsGtgGqBXtdi6305UKvwUGCH:004iBGRGXOGqkUUC

Score

10^/10

arkei default aspackv2 discovery stealer

Malware Config

Extracted

Family

arkei

Botnet

Default

coin-file-file-19.com/tratata.php

Signatures

Arkei
Arkei is an infostealer written in C++.
stealer arkei

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x0009000000012119-7.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2660	YGxtJPNn.exe

Loads dropped DLL 2 IoCs

pid	Process
2284	58439dcc59f801b60ab3fda64fd1a5e3ae1a0de95dec6abff06e047603187ea1.exe
2284	58439dcc59f801b60ab3fda64fd1a5e3ae1a0de95dec6abff06e047603187ea1.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	YGxtJPNn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jre7\bin\klist.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	YGxtJPNn.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\NAMECONTROLSERVER.EXE	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmc.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\SC_Reader.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmiregistry.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	YGxtJPNn.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Wordconv.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	YGxtJPNn.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	YGxtJPNn.exe

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

System Information Discovery
T1082

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	58439dcc59f801b60ab3fda64fd1a5e3ae1a0de95dec6abff06e047603187ea1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	YGxtJPNn.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 2660	2284	58439dcc59f801b60ab3fda64fd1a5e3ae1a0de95dec6abff06e047603187ea1.exe	30
PID 2284 wrote to memory of 2660	2284	58439dcc59f801b60ab3fda64fd1a5e3ae1a0de95dec6abff06e047603187ea1.exe	30
PID 2284 wrote to memory of 2660	2284	58439dcc59f801b60ab3fda64fd1a5e3ae1a0de95dec6abff06e047603187ea1.exe	30
PID 2284 wrote to memory of 2660	2284	58439dcc59f801b60ab3fda64fd1a5e3ae1a0de95dec6abff06e047603187ea1.exe	30
PID 2660 wrote to memory of 3044	2660	YGxtJPNn.exe	31
PID 2660 wrote to memory of 3044	2660	YGxtJPNn.exe	31
PID 2660 wrote to memory of 3044	2660	YGxtJPNn.exe	31
PID 2660 wrote to memory of 3044	2660	YGxtJPNn.exe	31

C:\Users\Admin\AppData\Local\Temp\58439dcc59f801b60ab3fda64fd1a5e3ae1a0de95dec6abff06e047603187ea1.exe
"C:\Users\Admin\AppData\Local\Temp\58439dcc59f801b60ab3fda64fd1a5e3ae1a0de95dec6abff06e047603187ea1.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Users\Admin\AppData\Local\Temp\YGxtJPNn.exe
  C:\Users\Admin\AppData\Local\Temp\YGxtJPNn.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2660
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\33062c2a.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\33062c2a.bat

Filesize
191B

MD5
0543fc97aeccf569aa7e5cdca51544d8

SHA1
f2ad9712ebc0016c276f77c3f1fd83a9f5e4eb96

SHA256
80d94df6b47d0dddc70c3d2f3925e0dc737a3b20fb3e40363adbb566487c9f8b

SHA512
94c44383f4623cacdc734f41b31d262bc09d98fbaf91825923b259af106b931ae9ec58e9a6d7c2de10af3bc06af17408f013654f83088cb5a2182ba0a7f0b094

Download Submit
C:\Users\Admin\AppData\Local\Temp\6F8F2DAA.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
f7d21de5c4e81341eccd280c11ddcc9a

SHA1
d4e9ef10d7685d491583c6fa93ae5d9105d815bd

SHA256
4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

SHA512
e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

Download Submit
memory/2284-11-0x0000000001000000-0x0000000001009000-memory.dmp

Filesize
36KB

Download
memory/2284-10-0x0000000001000000-0x0000000001009000-memory.dmp

Filesize
36KB

Download
memory/2284-28-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/2284-29-0x0000000000230000-0x000000000024F000-memory.dmp

Filesize
124KB

Download
memory/2284-30-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2284-1-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/2284-59-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/2284-60-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2660-12-0x0000000001000000-0x0000000001009000-memory.dmp

Filesize
36KB

Download
memory/2660-57-0x0000000001000000-0x0000000001009000-memory.dmp

Filesize
36KB

Download