bdaejec | acd1aa0d197f7eef419d12b309b3a5cdfc094bf300c2f7fc84523ea7e49219c1

Analysis

max time kernel
141s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 00:23

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General

Target

2024-12-22_6970b4657293e4980e51dc756dd1bad3_smoke-loader_wapomi.exe
Size

54KB
MD5

6970b4657293e4980e51dc756dd1bad3
SHA1

42cf3bad1f8079c0ceabe7addc45e031ae129f39
SHA256

acd1aa0d197f7eef419d12b309b3a5cdfc094bf300c2f7fc84523ea7e49219c1
SHA512

4c739e30f4d12896dde1ff4f23d70dfd5120b0e77e4a59adce1b36540b0a86065315a383dd76ac7680bf0a17019a3518df70cafc17a8b2edb2b8d1d0f9259390
SSDEEP

768:1ubLj/ur3kdABSJpYkI1+RjBHUZWG4F9UIV2SyYAxIQGPL4vzZq2o9W7GsxBbPr:1AekdABcfjBHCje9UBS5AxDGCq2iW7z

Score

10^/10

bdaejec aspackv2 backdoor discovery upx

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/2312-24-0x0000000000D40000-0x0000000000D49000-memory.dmp	family_bdaejec_backdoor

Detected Nirsoft tools 1 IoCs

Free utilities often used by attackers which can steal passwords, product keys, etc.

resource	yara_rule
behavioral1/memory/1696-26-0x0000000000400000-0x000000000041E000-memory.dmp	Nirsoft

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x00080000000120f9-4.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2312	WHaujX.exe

Loads dropped DLL 2 IoCs

pid	Process
1696	2024-12-22_6970b4657293e4980e51dc756dd1bad3_smoke-loader_wapomi.exe
1696	2024-12-22_6970b4657293e4980e51dc756dd1bad3_smoke-loader_wapomi.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1696-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral1/memory/1696-26-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	WHaujX.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	WHaujX.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	WHaujX.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\sidebar.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	WHaujX.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	WHaujX.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	WHaujX.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	WHaujX.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	WHaujX.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	WHaujX.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	WHaujX.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	WHaujX.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jre7\bin\klist.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	WHaujX.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	WHaujX.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	WHaujX.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	WHaujX.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	WHaujX.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	WHaujX.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	WHaujX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	WHaujX.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	WHaujX.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	WHaujX.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	WHaujX.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	WHaujX.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	WHaujX.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	WHaujX.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	WHaujX.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	WHaujX.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	WHaujX.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	WHaujX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	WHaujX.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	WHaujX.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	WHaujX.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	WHaujX.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	WHaujX.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	WHaujX.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	2024-12-22_6970b4657293e4980e51dc756dd1bad3_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WHaujX.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 2312	1696	2024-12-22_6970b4657293e4980e51dc756dd1bad3_smoke-loader_wapomi.exe	30
PID 1696 wrote to memory of 2312	1696	2024-12-22_6970b4657293e4980e51dc756dd1bad3_smoke-loader_wapomi.exe	30
PID 1696 wrote to memory of 2312	1696	2024-12-22_6970b4657293e4980e51dc756dd1bad3_smoke-loader_wapomi.exe	30
PID 1696 wrote to memory of 2312	1696	2024-12-22_6970b4657293e4980e51dc756dd1bad3_smoke-loader_wapomi.exe	30
PID 2312 wrote to memory of 2752	2312	WHaujX.exe	32
PID 2312 wrote to memory of 2752	2312	WHaujX.exe	32
PID 2312 wrote to memory of 2752	2312	WHaujX.exe	32
PID 2312 wrote to memory of 2752	2312	WHaujX.exe	32

C:\Users\Admin\AppData\Local\Temp\2024-12-22_6970b4657293e4980e51dc756dd1bad3_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-22_6970b4657293e4980e51dc756dd1bad3_smoke-loader_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1696
- C:\Users\Admin\AppData\Local\Temp\WHaujX.exe
  C:\Users\Admin\AppData\Local\Temp\WHaujX.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2312
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\3cd24afc.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2752

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\3cd24afc.bat

Filesize
187B

MD5
f4e77edcf58cbe7da7e6121c83dd55dc

SHA1
807e8151d10c6baa7b104a9832826a7092417e9c

SHA256
e797d61b953ded1ea28cb6bc8e67be83c22c2dcf80cdfb6cc675f673e9cc77c4

SHA512
9aace64b389ccfd46a577985d2f14964d010a1627896c25a12ce8b08bcaa8a8ae717eefd33118f5ef92ee5c3d3aae0b4598b20a3d012497a7c1b882702320d0a

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1696-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1696-10-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/1696-9-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/1696-26-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1696-36-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/1696-35-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2312-11-0x0000000000D40000-0x0000000000D49000-memory.dmp

Filesize
36KB

Download
memory/2312-24-0x0000000000D40000-0x0000000000D49000-memory.dmp

Filesize
36KB

Download