bdaejec | 3a8d3231d89d733c1a4f5cd1f44eef14f31bd286682e44bc4ccdd63e40ee7cc3

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/12/2024, 18:16

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General

Target

2024-12-02_ad3c818557b8156e16c35b568f8b83f8_bkransomware_wapomi.exe
Size

168KB
MD5

ad3c818557b8156e16c35b568f8b83f8
SHA1

716cb076d3d90ba16d24594b6648c28c43ad4e7e
SHA256

3a8d3231d89d733c1a4f5cd1f44eef14f31bd286682e44bc4ccdd63e40ee7cc3
SHA512

20d2b6eae10ef8166b7f85a85b86b7e18281c67673c7287f0a573d9b6c764c8c89a0246355f6ab09e410860c2cb0195b969599b7112387353414cf6b0da29fdf
SSDEEP

1536:W6fZO3jpPdcwLF5zrfQ2erSaMrb4W5QTq9gQf+PcQdqbmsWjcdrnYNY1lme4OtBP:WIe7RUwFrbsa+74bJzYNY1kGB+PqGCH

Score

10^/10

bdaejec aspackv2 backdoor discovery

Malware Config

Extracted

Family

bdaejec

ddos.dnsnb8.net

Signatures

Bdaejec
Bdaejec is a backdoor written in C++.
backdoor bdaejec
Bdaejec family
bdaejec

Detects Bdaejec Backdoor. 1 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral1/memory/1948-20-0x00000000008A0000-0x00000000008A9000-memory.dmp	family_bdaejec_backdoor

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x0009000000012117-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
1948	gHjMJt.exe

Loads dropped DLL 2 IoCs

pid	Process
2112	2024-12-02_ad3c818557b8156e16c35b568f8b83f8_bkransomware_wapomi.exe
2112	2024-12-02_ad3c818557b8156e16c35b568f8b83f8_bkransomware_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	gHjMJt.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	gHjMJt.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	gHjMJt.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	gHjMJt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	gHjMJt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	gHjMJt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	gHjMJt.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	gHjMJt.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	gHjMJt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	gHjMJt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	gHjMJt.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	gHjMJt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe	gHjMJt.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	gHjMJt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	gHjMJt.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmc.exe	gHjMJt.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	gHjMJt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	gHjMJt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	gHjMJt.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	gHjMJt.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	gHjMJt.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	gHjMJt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	gHjMJt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	gHjMJt.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	gHjMJt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	gHjMJt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	gHjMJt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	gHjMJt.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	2024-12-02_ad3c818557b8156e16c35b568f8b83f8_bkransomware_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gHjMJt.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 1948	2112	2024-12-02_ad3c818557b8156e16c35b568f8b83f8_bkransomware_wapomi.exe	30
PID 2112 wrote to memory of 1948	2112	2024-12-02_ad3c818557b8156e16c35b568f8b83f8_bkransomware_wapomi.exe	30
PID 2112 wrote to memory of 1948	2112	2024-12-02_ad3c818557b8156e16c35b568f8b83f8_bkransomware_wapomi.exe	30
PID 2112 wrote to memory of 1948	2112	2024-12-02_ad3c818557b8156e16c35b568f8b83f8_bkransomware_wapomi.exe	30
PID 1948 wrote to memory of 2508	1948	gHjMJt.exe	33
PID 1948 wrote to memory of 2508	1948	gHjMJt.exe	33
PID 1948 wrote to memory of 2508	1948	gHjMJt.exe	33
PID 1948 wrote to memory of 2508	1948	gHjMJt.exe	33

C:\Users\Admin\AppData\Local\Temp\2024-12-02_ad3c818557b8156e16c35b568f8b83f8_bkransomware_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-02_ad3c818557b8156e16c35b568f8b83f8_bkransomware_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Users\Admin\AppData\Local\Temp\gHjMJt.exe
  C:\Users\Admin\AppData\Local\Temp\gHjMJt.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1948
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\20eb5183.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2508

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\7CNUR30T\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\20eb5183.bat

Filesize
187B

MD5
04900fb55acb4584e07790b149317852

SHA1
896d29bc12dbabc5062b5e3e9577e980948f36ee

SHA256
47387a21f8798e018239bcab6564d21a0ed2734f6a46dd122fcc84f412cca1dd

SHA512
ce51486eab6fa4247474d724007f4d9d4a0034003503c2e9c0e743dc22a99b5a0217d3f553916750b978232205ddf4aef256caabcd8e3e9028ee069e4a0a9317

Download Submit
C:\Users\Admin\AppData\Local\Temp\49901F5A.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1948-20-0x00000000008A0000-0x00000000008A9000-memory.dmp

Filesize
36KB

Download
memory/2112-0-0x0000000000200000-0x0000000000231000-memory.dmp

Filesize
196KB

Download
memory/2112-3-0x00000000008A0000-0x00000000008A9000-memory.dmp

Filesize
36KB

Download
memory/2112-19-0x0000000000200000-0x0000000000231000-memory.dmp

Filesize
196KB

Download