bdaejec | 545aa463a18bdd6dc65a3fe14c5c274c778ce428498f6f9eb4efef78faf213d3

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
29-01-2025 02:37

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2025-01-29_fd5152c90190eb2905a4843bba0f0203_smoke-loader_wapomi.exe
Size

4.5MB
MD5

fd5152c90190eb2905a4843bba0f0203
SHA1

c054c6371e39785df6ffd19603c7b33c4abc9664
SHA256

545aa463a18bdd6dc65a3fe14c5c274c778ce428498f6f9eb4efef78faf213d3
SHA512

1f174cc1c509a499bdaff9d697d800633b51d81abe81c12f4589401c5f80ff89b05caa80baac8361252d7d44aafed99c40e38ab11404c6a1379e8171fac82cfd
SSDEEP

98304:+9Kowl90E9mSBixvXDESNYMnVfgmtghRvUiFrJsWTc:+9Ko9yMnVfgvDvUEs

Score

10^/10

bdaejec aspackv2 backdoor defense_evasion discovery themida trojan

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/288-37-0x0000000000A50000-0x0000000000A59000-memory.dmp	family_bdaejec_backdoor

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	2025-01-29_fd5152c90190eb2905a4843bba0f0203_smoke-loader_wapomi.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x00090000000120fb-1.dat	aspack_v212_v242

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	2025-01-29_fd5152c90190eb2905a4843bba0f0203_smoke-loader_wapomi.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2025-01-29_fd5152c90190eb2905a4843bba0f0203_smoke-loader_wapomi.exe

Executes dropped EXE 1 IoCs

pid	Process
288	DMOSFD.exe

Loads dropped DLL 2 IoCs

pid	Process
1972	2025-01-29_fd5152c90190eb2905a4843bba0f0203_smoke-loader_wapomi.exe
1972	2025-01-29_fd5152c90190eb2905a4843bba0f0203_smoke-loader_wapomi.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1972-8-0x0000000000400000-0x0000000000898000-memory.dmp	themida
behavioral1/memory/1972-39-0x0000000000400000-0x0000000000898000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	2025-01-29_fd5152c90190eb2905a4843bba0f0203_smoke-loader_wapomi.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1972	2025-01-29_fd5152c90190eb2905a4843bba0f0203_smoke-loader_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	DMOSFD.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmid.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	DMOSFD.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	DMOSFD.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	DMOSFD.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	DMOSFD.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE	DMOSFD.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jre7\bin\klist.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmiregistry.exe	DMOSFD.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	DMOSFD.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	DMOSFD.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	DMOSFD.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	DMOSFD.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	DMOSFD.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	DMOSFD.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	DMOSFD.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	DMOSFD.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	DMOSFD.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	DMOSFD.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	DMOSFD.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	DMOSFD.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	DMOSFD.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	DMOSFD.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	DMOSFD.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	2025-01-29_fd5152c90190eb2905a4843bba0f0203_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DMOSFD.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1972	2025-01-29_fd5152c90190eb2905a4843bba0f0203_smoke-loader_wapomi.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 288	1972	2025-01-29_fd5152c90190eb2905a4843bba0f0203_smoke-loader_wapomi.exe	30
PID 1972 wrote to memory of 288	1972	2025-01-29_fd5152c90190eb2905a4843bba0f0203_smoke-loader_wapomi.exe	30
PID 1972 wrote to memory of 288	1972	2025-01-29_fd5152c90190eb2905a4843bba0f0203_smoke-loader_wapomi.exe	30
PID 1972 wrote to memory of 288	1972	2025-01-29_fd5152c90190eb2905a4843bba0f0203_smoke-loader_wapomi.exe	30
PID 288 wrote to memory of 3044	288	DMOSFD.exe	32
PID 288 wrote to memory of 3044	288	DMOSFD.exe	32
PID 288 wrote to memory of 3044	288	DMOSFD.exe	32
PID 288 wrote to memory of 3044	288	DMOSFD.exe	32

C:\Users\Admin\AppData\Local\Temp\2025-01-29_fd5152c90190eb2905a4843bba0f0203_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-29_fd5152c90190eb2905a4843bba0f0203_smoke-loader_wapomi.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Users\Admin\AppData\Local\Temp\DMOSFD.exe
  C:\Users\Admin\AppData\Local\Temp\DMOSFD.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:288
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\667c0a64.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\610113DE.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\667c0a64.bat

Filesize
187B

MD5
283a7cb0bbd00a48df93751ae26e330d

SHA1
32a5eb6fde84492f307089106d566ad455e57deb

SHA256
80e44d69ed9cfaec0e2f9ce9b58ea956b5041c2d18aef0090231f029533369d4

SHA512
c0f16ae49380767081850d557859e177aa32666cdadd5f2238d2864500e7c4d99e0a26cdad982d6b0d0dff9ac44b02a6fda7b4eb841270fb167356300fcb31a5

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/288-10-0x0000000000A50000-0x0000000000A59000-memory.dmp

Filesize
36KB

Download
memory/288-37-0x0000000000A50000-0x0000000000A59000-memory.dmp

Filesize
36KB

Download
memory/1972-11-0x00000000003B0000-0x00000000003B9000-memory.dmp

Filesize
36KB

Download
memory/1972-9-0x00000000003B0000-0x00000000003B9000-memory.dmp

Filesize
36KB

Download
memory/1972-8-0x0000000000400000-0x0000000000898000-memory.dmp

Filesize
4.6MB

Download
memory/1972-14-0x0000000076FE0000-0x0000000076FE2000-memory.dmp

Filesize
8KB

Download
memory/1972-39-0x0000000000400000-0x0000000000898000-memory.dmp

Filesize
4.6MB

Download
memory/1972-40-0x00000000003B0000-0x00000000003B9000-memory.dmp

Filesize
36KB

Download