bdaejec | 933cf7f1f81b9d113fe81a86e4827b4bdf1f24bdfc0bcd6ef94beb9b33b77d76

Analysis

max time kernel
78s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07/09/2024, 20:23

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General

Target

2024-09-07_40951a2184cd6b372d3720e77455f228_bkransomware_wapomi.exe
Size

168KB
MD5

40951a2184cd6b372d3720e77455f228
SHA1

8b040a41be661356d6fc16a90b57928f6088a038
SHA256

933cf7f1f81b9d113fe81a86e4827b4bdf1f24bdfc0bcd6ef94beb9b33b77d76
SHA512

2d53b5c3cfabbaf6be0f1043fc16f84a9d79783f86d0bd13d2f3ac6d6a21a0466271ea6f77ef24445038a3b8412b360cda09372b5716e7669952a5e24bf81feb
SSDEEP

1536:W6fZO3jpPdcwLF5zrfQ2erSaMrb4W5QTq9gQf+PcQdqbmsWjcdrnYNY1lme4OtBE:WIe7RUwFrbsa+74bJzYNY1kGB+P/GCH

Score

10^/10

bdaejec aspackv2 backdoor discovery

Malware Config

Signatures

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

Detects Bdaejec Backdoor. 1 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral1/memory/1292-42-0x0000000000A60000-0x0000000000A69000-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/0x00030000000178b0-10.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
1292	hlUqcE.exe

Loads dropped DLL 2 IoCs

pid	Process
2264	2024-09-07_40951a2184cd6b372d3720e77455f228_bkransomware_wapomi.exe
2264	2024-09-07_40951a2184cd6b372d3720e77455f228_bkransomware_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	hlUqcE.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	hlUqcE.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	hlUqcE.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\SC_Reader.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	hlUqcE.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\WinMail.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	hlUqcE.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	hlUqcE.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	2024-09-07_40951a2184cd6b372d3720e77455f228_bkransomware_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hlUqcE.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 1292	2264	2024-09-07_40951a2184cd6b372d3720e77455f228_bkransomware_wapomi.exe	30
PID 2264 wrote to memory of 1292	2264	2024-09-07_40951a2184cd6b372d3720e77455f228_bkransomware_wapomi.exe	30
PID 2264 wrote to memory of 1292	2264	2024-09-07_40951a2184cd6b372d3720e77455f228_bkransomware_wapomi.exe	30
PID 2264 wrote to memory of 1292	2264	2024-09-07_40951a2184cd6b372d3720e77455f228_bkransomware_wapomi.exe	30
PID 1292 wrote to memory of 2648	1292	hlUqcE.exe	32
PID 1292 wrote to memory of 2648	1292	hlUqcE.exe	32
PID 1292 wrote to memory of 2648	1292	hlUqcE.exe	32
PID 1292 wrote to memory of 2648	1292	hlUqcE.exe	32

C:\Users\Admin\AppData\Local\Temp\2024-09-07_40951a2184cd6b372d3720e77455f228_bkransomware_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-07_40951a2184cd6b372d3720e77455f228_bkransomware_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Users\Admin\AppData\Local\Temp\hlUqcE.exe
  C:\Users\Admin\AppData\Local\Temp\hlUqcE.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1292
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\2a4f63ad.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2648

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\YTZJPBOG\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\0AF00575.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\2a4f63ad.bat

Filesize
187B

MD5
5193962b4959736f00690b51fff4799b

SHA1
d821be7a8b869f2b0f69a4a218fdd0ed0b223004

SHA256
4a0484029b2785b1f7e337d8d382b100ac36c80a5b64c30223476481defa0ae4

SHA512
2ab87dbc480b5e1c12370fe9dc2cb4cbaa78049f1c3ba89e2ee2a653cfc39d68b93edab36cae6e5b5d20e7e21badb4ad3b1054d5de940da38317ffd3c2f9ac43

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1292-11-0x0000000000A60000-0x0000000000A69000-memory.dmp

Filesize
36KB

Download
memory/1292-42-0x0000000000A60000-0x0000000000A69000-memory.dmp

Filesize
36KB

Download
memory/2264-1-0x0000000000E60000-0x0000000000E91000-memory.dmp

Filesize
196KB

Download
memory/2264-9-0x0000000000A60000-0x0000000000A69000-memory.dmp

Filesize
36KB

Download
memory/2264-8-0x0000000000A60000-0x0000000000A69000-memory.dmp

Filesize
36KB

Download
memory/2264-43-0x0000000000E60000-0x0000000000E91000-memory.dmp

Filesize
196KB

Download