6f3d87f3dcfd248e64d26cf338a19f41a6f93affdde5fab071a631ff38637757

Resubmissions

19-01-2025 12:15

250119-pev5waxmgn 10

09-01-2025 09:28

250109-lftfwswlew 10

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-01-2025 09:28

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General

Target

1.exe
Size

147KB
MD5

c09185c157831e4915c255d7002941f4
SHA1

beca597f2c2c120c3d74163501a81f56664ff4f7
SHA256

6f3d87f3dcfd248e64d26cf338a19f41a6f93affdde5fab071a631ff38637757
SHA512

a843854ca79f4d98938635612d20f3d5b79d8661ee91d1ae130b2deffe95e44d7028f76b8b221c87fab0638afe5baf3c55e8348f8aa10dddc90133167a3c17bf
SSDEEP

3072:SqJogYkcSNm9V7DnfX/91c6G+Mqc+2EIEMF+T:Sq2kc4m9tDnfXPc6g+2XEMF

Score

10^/10

defense_evasion discovery ransomware spyware stealer

Malware Config

Extracted

Path

C:\5VFg9o5tW.README.txt

Ransom Note

------Dear managers!------ If you are reading this, it means your network has been attacked. What does that mean? We hacked your network and now all your files, documents, client database, projects and other important data safely encrypted with reliable algorithms. we also have a copy of all your data. WARNING!!! You don't have to go to the POLICE, etc. Otherwise we will not be able to help you. You cannot acces the files right now. But do not worry. You can get it back! It is easy to recover in a few steps. As proof, we can decrypt any 3 files you provide. We are not interested to ruin your business. We want to get ransom and be happy. Please bring this information to your team leaders as soon as possible. In case of a successfull transaction, we will restore your systems within 4-6 hours and also provide security recommendations. -----------------------WARNING----------------------- If you modify files - our decrypt software won't able to recover data If you use third party software - you can damage/modify files (see item 1) You nedd cipher key / our decrypt software to restore you files. The police or authorities will not be able to help you get the cipher key. We encourage you to consider your decisions. -----------------------RECOVERY----------------------- Use email: [email protected] Alternative email address: [email protected] ([email protected]) ID message: c5337115f1d1a

Emails

[email protected]

Signatures

Renames multiple (357) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Deletes itself 1 IoCs

pid	Process
2328	BB4.tmp

Executes dropped EXE 1 IoCs

pid	Process
2328	BB4.tmp

Loads dropped DLL 1 IoCs

pid	Process
2124	1.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File opened for modification	C:\$Recycle.Bin\S-1-5-21-2872745919-2748461613-2989606286-1000\desktop.ini	1.exe
File opened for modification	F:\$RECYCLE.BIN\S-1-5-21-2872745919-2748461613-2989606286-1000\desktop.ini	1.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2328	BB4.tmp

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	1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BB4.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2124	1.exe
2124	1.exe
2124	1.exe
2124	1.exe
2124	1.exe
2124	1.exe
2124	1.exe
2124	1.exe
2124	1.exe
2124	1.exe
2124	1.exe
2124	1.exe

Suspicious behavior: RenamesItself 26 IoCs

pid	Process
2328	BB4.tmp
2328	BB4.tmp
2328	BB4.tmp
2328	BB4.tmp
2328	BB4.tmp
2328	BB4.tmp
2328	BB4.tmp
2328	BB4.tmp
2328	BB4.tmp
2328	BB4.tmp
2328	BB4.tmp
2328	BB4.tmp
2328	BB4.tmp
2328	BB4.tmp
2328	BB4.tmp
2328	BB4.tmp
2328	BB4.tmp
2328	BB4.tmp
2328	BB4.tmp
2328	BB4.tmp
2328	BB4.tmp
2328	BB4.tmp
2328	BB4.tmp
2328	BB4.tmp
2328	BB4.tmp
2328	BB4.tmp

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeAssignPrimaryTokenPrivilege	2124	1.exe
Token: SeBackupPrivilege	2124	1.exe
Token: SeDebugPrivilege	2124	1.exe
Token: 36	2124	1.exe
Token: SeImpersonatePrivilege	2124	1.exe
Token: SeIncBasePriorityPrivilege	2124	1.exe
Token: SeIncreaseQuotaPrivilege	2124	1.exe
Token: 33	2124	1.exe
Token: SeManageVolumePrivilege	2124	1.exe
Token: SeProfSingleProcessPrivilege	2124	1.exe
Token: SeRestorePrivilege	2124	1.exe
Token: SeSecurityPrivilege	2124	1.exe
Token: SeSystemProfilePrivilege	2124	1.exe
Token: SeTakeOwnershipPrivilege	2124	1.exe
Token: SeShutdownPrivilege	2124	1.exe
Token: SeDebugPrivilege	2124	1.exe
Token: SeBackupPrivilege	2124	1.exe
Token: SeBackupPrivilege	2124	1.exe
Token: SeSecurityPrivilege	2124	1.exe
Token: SeSecurityPrivilege	2124	1.exe
Token: SeBackupPrivilege	2124	1.exe
Token: SeBackupPrivilege	2124	1.exe
Token: SeSecurityPrivilege	2124	1.exe
Token: SeSecurityPrivilege	2124	1.exe
Token: SeBackupPrivilege	2124	1.exe
Token: SeBackupPrivilege	2124	1.exe
Token: SeSecurityPrivilege	2124	1.exe
Token: SeSecurityPrivilege	2124	1.exe
Token: SeBackupPrivilege	2124	1.exe
Token: SeBackupPrivilege	2124	1.exe
Token: SeSecurityPrivilege	2124	1.exe
Token: SeSecurityPrivilege	2124	1.exe
Token: SeBackupPrivilege	2124	1.exe
Token: SeBackupPrivilege	2124	1.exe
Token: SeSecurityPrivilege	2124	1.exe
Token: SeSecurityPrivilege	2124	1.exe
Token: SeBackupPrivilege	2124	1.exe
Token: SeBackupPrivilege	2124	1.exe
Token: SeSecurityPrivilege	2124	1.exe
Token: SeSecurityPrivilege	2124	1.exe
Token: SeBackupPrivilege	2124	1.exe
Token: SeBackupPrivilege	2124	1.exe
Token: SeSecurityPrivilege	2124	1.exe
Token: SeSecurityPrivilege	2124	1.exe
Token: SeBackupPrivilege	2124	1.exe
Token: SeBackupPrivilege	2124	1.exe
Token: SeSecurityPrivilege	2124	1.exe
Token: SeSecurityPrivilege	2124	1.exe
Token: SeBackupPrivilege	2124	1.exe
Token: SeBackupPrivilege	2124	1.exe
Token: SeSecurityPrivilege	2124	1.exe
Token: SeSecurityPrivilege	2124	1.exe
Token: SeBackupPrivilege	2124	1.exe
Token: SeBackupPrivilege	2124	1.exe
Token: SeSecurityPrivilege	2124	1.exe
Token: SeSecurityPrivilege	2124	1.exe
Token: SeBackupPrivilege	2124	1.exe
Token: SeBackupPrivilege	2124	1.exe
Token: SeSecurityPrivilege	2124	1.exe
Token: SeSecurityPrivilege	2124	1.exe
Token: SeBackupPrivilege	2124	1.exe
Token: SeBackupPrivilege	2124	1.exe
Token: SeSecurityPrivilege	2124	1.exe
Token: SeSecurityPrivilege	2124	1.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2328	2124	1.exe	32
PID 2124 wrote to memory of 2328	2124	1.exe	32
PID 2124 wrote to memory of 2328	2124	1.exe	32
PID 2124 wrote to memory of 2328	2124	1.exe	32
PID 2124 wrote to memory of 2328	2124	1.exe	32
PID 2328 wrote to memory of 1868	2328	BB4.tmp	33
PID 2328 wrote to memory of 1868	2328	BB4.tmp	33
PID 2328 wrote to memory of 1868	2328	BB4.tmp	33
PID 2328 wrote to memory of 1868	2328	BB4.tmp	33

C:\Users\Admin\AppData\Local\Temp\1.exe
"C:\Users\Admin\AppData\Local\Temp\1.exe"
1⤵
- Loads dropped DLL
- Drops desktop.ini file(s)
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2124
- C:\ProgramData\BB4.tmp
  "C:\ProgramData\BB4.tmp"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:2328
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\BB4.tmp >> NUL
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1868

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x14c
1⤵
PID:2372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\$Recycle.Bin\S-1-5-21-2872745919-2748461613-2989606286-1000\AAAAAAAAAAA

Filesize
129B

MD5
a25a8dae17b8a8ea5e608dbffc5bada0

SHA1
a4627a1c245b77e481d07607f6b7cede3a77bb70

SHA256
567b31b2368246735469e9ae7b1c369803248173c30c5fc0aa9855cd0840b1af

SHA512
7b7044ba98e11881cd4b191541f4a209a75c5e0bb0e82f01f59180790ba59a4657f7102f7524ee211b20b3d21316f4294d1c57ac0cb8f7c71e13da84e703fcc5

Download Submit
C:\5VFg9o5tW.README.txt

Filesize
1KB

MD5
17e3459297cd54cf124d089248ff395b

SHA1
617e2ddd0a69a242d4da510d32670a170ff667fa

SHA256
94aaefad5d5a9fea79e9271941a5e874951cceac46a110ef0f1de841051f6421

SHA512
280536a672423a4bf4df1cb7cd49bd0a7a3f731dfe4543359a84d3a82d734e3882386b336af62a77e2763cbe7fe9e4ff6ae852241dd61ab702cda1b0d2f02e13

Download Submit
C:\Users\Admin\AppData\Local\Temp\DDDDD

Filesize
147KB

MD5
eae4777d06cf155e23ea27f7cd9dc9a4

SHA1
c5a811b212917ed381eb1d6f0066bc51b5fa204e

SHA256
22246fa70888cb92fc650c823b49be81bf02b20f8df576fd522603d3fca192c8

SHA512
ca88c3fed42a3a418a2f132477a2fce4615d5d9bb73409fa9447b7aa280d7a5ea7d771ecbd666d27f671b0ad3a7acab11540ff2385a909e005b80be42cc1e9ad

Download Submit
F:\$RECYCLE.BIN\S-1-5-21-2872745919-2748461613-2989606286-1000\DDDDDDDDDDD

Filesize
129B

MD5
d39d53f9fdd7ea6dee7df1c29f33b00a

SHA1
e7f493622edcf8fb7a27e94b081613253cd894dc

SHA256
ec97da07794ab92ea047460e35cf9c931773cf3866789cf5f33023f41622d683

SHA512
ff1d8e422be258c2d7030fb60fb5f63d761bb5b6b87c1516b960ee4fca31ab3c21d858e2caa18ddde637ec42561573db7553d07f4f00dfbfdde9477b09533894

Download Submit
\ProgramData\BB4.tmp

Filesize
14KB

MD5
294e9f64cb1642dd89229fff0592856b

SHA1
97b148c27f3da29ba7b18d6aee8a0db9102f47c9

SHA256
917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

SHA512
b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

Download Submit
memory/2124-0-0x0000000000750000-0x0000000000790000-memory.dmp

Filesize
256KB

Download
memory/2328-892-0x000000007EF80000-0x000000007EF81000-memory.dmp

Filesize
4KB

Download
memory/2328-891-0x0000000002070000-0x00000000020B0000-memory.dmp

Filesize
256KB

Download
memory/2328-889-0x0000000002070000-0x00000000020B0000-memory.dmp

Filesize
256KB

Download
memory/2328-890-0x000000007EF20000-0x000000007EF21000-memory.dmp

Filesize
4KB

Download
memory/2328-887-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

Filesize
4KB

Download
memory/2328-922-0x000000007EF60000-0x000000007EF61000-memory.dmp

Filesize
4KB

Download
memory/2328-921-0x000000007EF40000-0x000000007EF41000-memory.dmp

Filesize
4KB

Download