bdaejec | aeb5d1e6eeeea92ed22d0dc4501b3b47bde3a2868adc5d2b7b844430e90b2d74

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-01-2025 19:24

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General

Target

2025-01-17_23f272a832f3e227af15ff8a0de5b9c1_bkransomware_wapomi.exe
Size

326KB
MD5

23f272a832f3e227af15ff8a0de5b9c1
SHA1

f4d9b11539d11003ff2236464043fff84c2dc984
SHA256

aeb5d1e6eeeea92ed22d0dc4501b3b47bde3a2868adc5d2b7b844430e90b2d74
SHA512

235b386c319ed558c011a5fa92ebbd92690592eeca919141b5da90e43ab324a291f9de640fdf6ddd65460774f1a9a008525fa036d24455ac1d52a7530d5587d6
SSDEEP

6144:NTwa5MBzGvRLdfyDNTBJYFoUXbUx9gBXRcj:H5azGvRtgNTnYbXbsaBc

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/2348-48-0x0000000000DC0000-0x0000000000DC9000-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/0x000a00000001225c-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2348	ntWARN.exe

Loads dropped DLL 2 IoCs

pid	Process
2544	2025-01-17_23f272a832f3e227af15ff8a0de5b9c1_bkransomware_wapomi.exe
2544	2025-01-17_23f272a832f3e227af15ff8a0de5b9c1_bkransomware_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	ntWARN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	ntWARN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE	ntWARN.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	ntWARN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	ntWARN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	ntWARN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java.exe	ntWARN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	ntWARN.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	ntWARN.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	ntWARN.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	ntWARN.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe	ntWARN.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	ntWARN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	ntWARN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmc.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	ntWARN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	ntWARN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	ntWARN.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	ntWARN.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	ntWARN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	ntWARN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	ntWARN.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	ntWARN.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	ntWARN.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	ntWARN.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe	ntWARN.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	ntWARN.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	ntWARN.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	ntWARN.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	ntWARN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	ntWARN.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	ntWARN.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	2025-01-17_23f272a832f3e227af15ff8a0de5b9c1_bkransomware_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ntWARN.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 2348	2544	2025-01-17_23f272a832f3e227af15ff8a0de5b9c1_bkransomware_wapomi.exe	30
PID 2544 wrote to memory of 2348	2544	2025-01-17_23f272a832f3e227af15ff8a0de5b9c1_bkransomware_wapomi.exe	30
PID 2544 wrote to memory of 2348	2544	2025-01-17_23f272a832f3e227af15ff8a0de5b9c1_bkransomware_wapomi.exe	30
PID 2544 wrote to memory of 2348	2544	2025-01-17_23f272a832f3e227af15ff8a0de5b9c1_bkransomware_wapomi.exe	30
PID 2348 wrote to memory of 2724	2348	ntWARN.exe	33
PID 2348 wrote to memory of 2724	2348	ntWARN.exe	33
PID 2348 wrote to memory of 2724	2348	ntWARN.exe	33
PID 2348 wrote to memory of 2724	2348	ntWARN.exe	33

C:\Users\Admin\AppData\Local\Temp\2025-01-17_23f272a832f3e227af15ff8a0de5b9c1_bkransomware_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-17_23f272a832f3e227af15ff8a0de5b9c1_bkransomware_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Users\Admin\AppData\Local\Temp\ntWARN.exe
  C:\Users\Admin\AppData\Local\Temp\ntWARN.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2348
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\6491307e.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2724

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\176B36EB.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\6491307e.bat

Filesize
187B

MD5
2f5ba6fea79b9303e25dd32c9bbe9789

SHA1
36d0f43e6cc95f0f61850fd182bfe63ca8baddb9

SHA256
115b5d07a8d481eda6b45bf2f19de7f9d8fb070264a76589b5139cf12218a571

SHA512
b340abe1a1ba587daf4f4137fb5bc5733b744b654812a1c742af33078baf0309644ff9d35b5daee424b06c0555c655585e0ba498acfa794454bd39c9953622d8

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2348-11-0x0000000000DC0000-0x0000000000DC9000-memory.dmp

Filesize
36KB

Download
memory/2348-48-0x0000000000DC0000-0x0000000000DC9000-memory.dmp

Filesize
36KB

Download
memory/2544-0-0x0000000000B50000-0x0000000000BA7000-memory.dmp

Filesize
348KB

Download
memory/2544-4-0x00000000000C0000-0x00000000000C9000-memory.dmp

Filesize
36KB

Download
memory/2544-10-0x00000000000C0000-0x00000000000C9000-memory.dmp

Filesize
36KB

Download
memory/2544-14-0x0000000000B50000-0x0000000000BA7000-memory.dmp

Filesize
348KB

Download