bdaejec | d3eac47e72da4cb6b2a10a088f84616401f6ccb68d9cbaa38f857a9f13adef62

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/02/2025, 04:58

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2025-02-24_9a5f791f20c3197d9eebf4d59b9be4e7_bkransomware_wapomi.exe
Size

215KB
MD5

9a5f791f20c3197d9eebf4d59b9be4e7
SHA1

7d233c80c590b230be208e91f7248dfeaa8a82d5
SHA256

d3eac47e72da4cb6b2a10a088f84616401f6ccb68d9cbaa38f857a9f13adef62
SHA512

f48ca46356d990a0ffff22c1aa902459f99d84eeb7a988eb3626590a256e5008460435dc796f8ba8cfe6b62f8b7c0b747fdb4b815354c8c3d1cb05d0497f8e7a
SSDEEP

3072:R666SmGgfYMSLpt690O4EHIsxeqvrvuSUdybQHoAw3MVDdVY3KRGCH:R2SSI60OhHLjv1nt3KE

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/536-14-0x00000000012A0000-0x00000000012A9000-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/0x000c00000001227e-8.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
536	pEmDRz.exe

Loads dropped DLL 2 IoCs

pid	Process
2480	2025-02-24_9a5f791f20c3197d9eebf4d59b9be4e7_bkransomware_wapomi.exe
2480	2025-02-24_9a5f791f20c3197d9eebf4d59b9be4e7_bkransomware_wapomi.exe

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	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	pEmDRz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	pEmDRz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	pEmDRz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	pEmDRz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	pEmDRz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	pEmDRz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	pEmDRz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	pEmDRz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	pEmDRz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	pEmDRz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	pEmDRz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	pEmDRz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	pEmDRz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	pEmDRz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	pEmDRz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	pEmDRz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	pEmDRz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	pEmDRz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Wordconv.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	pEmDRz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	pEmDRz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javacpl.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	pEmDRz.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	pEmDRz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{49D76B3D-D6A1-4419-AFD0-EDBEA65C21F0}\chrome_installer.exe	pEmDRz.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	2025-02-24_9a5f791f20c3197d9eebf4d59b9be4e7_bkransomware_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pEmDRz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 536	2480	2025-02-24_9a5f791f20c3197d9eebf4d59b9be4e7_bkransomware_wapomi.exe	32
PID 2480 wrote to memory of 536	2480	2025-02-24_9a5f791f20c3197d9eebf4d59b9be4e7_bkransomware_wapomi.exe	32
PID 2480 wrote to memory of 536	2480	2025-02-24_9a5f791f20c3197d9eebf4d59b9be4e7_bkransomware_wapomi.exe	32
PID 2480 wrote to memory of 536	2480	2025-02-24_9a5f791f20c3197d9eebf4d59b9be4e7_bkransomware_wapomi.exe	32
PID 536 wrote to memory of 2124	536	pEmDRz.exe	36
PID 536 wrote to memory of 2124	536	pEmDRz.exe	36
PID 536 wrote to memory of 2124	536	pEmDRz.exe	36
PID 536 wrote to memory of 2124	536	pEmDRz.exe	36

C:\Users\Admin\AppData\Local\Temp\2025-02-24_9a5f791f20c3197d9eebf4d59b9be4e7_bkransomware_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-24_9a5f791f20c3197d9eebf4d59b9be4e7_bkransomware_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2480
- C:\Users\Admin\AppData\Local\Temp\pEmDRz.exe
  C:\Users\Admin\AppData\Local\Temp\pEmDRz.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:536
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\4c3f7e05.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2124

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\4c3f7e05.bat

Filesize
187B

MD5
ca500315d440402a61b128646e10e012

SHA1
3bd03e79e28dbb721fb105a94a5d2547c4f52f51

SHA256
617ea41ae62f2106f3e7dd3b7f95635b048fe412647bea7460f767f8934360a6

SHA512
a668565a0165bc523e409d5073985ceec52da2c3748cb254e8a349d4937b9ec9142969963bace61ffa32da2eb090eabf898695ac06bd8e1e6923dd4c49797e5c

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/536-10-0x00000000012A0000-0x00000000012A9000-memory.dmp

Filesize
36KB

Download
memory/536-14-0x00000000012A0000-0x00000000012A9000-memory.dmp

Filesize
36KB

Download
memory/2480-0-0x0000000000130000-0x000000000016C000-memory.dmp

Filesize
240KB

Download
memory/2480-9-0x0000000000130000-0x000000000016C000-memory.dmp

Filesize
240KB

Download