vipkeylogger | 8126f3d67e43f2c93f178b68cc6a791a61c7f4f986cd5fb0d213780c4aa8e2d4

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 09:27

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General

Target

Overheaped237.exe
Size

573KB
MD5

8f4adfd3b8c55670a99389ba3905e43d
SHA1

24e4a66a55b65fe58933ac92b161befc5c5df977
SHA256

8126f3d67e43f2c93f178b68cc6a791a61c7f4f986cd5fb0d213780c4aa8e2d4
SHA512

9ddc6fb7d8f92d4ad22e1842704dfd8cad0184f86c9482fb2cbc051008a46bb87449c8abba66b4179fc602978c31ea9215cd070c7008e39f71b6d24a43c3c527
SSDEEP

12288:d93jliesAP5dtwQYYy016wq2FFbyADqbM5LugDkzicmrdZNf:d93jliR4jasy01DHn+AWYROicudZNf

Score

10^/10

vipkeylogger discovery execution keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

https://api.telegram.org/bot7745751910:AAGY46QDCTWO_Pw9iDqZhkNij-i4uwbMgzE/sendMessage?chat_id=7695061973

Signatures

VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
stealer keylogger vipkeylogger
Vipkeylogger family
vipkeylogger

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4020	powershell.exe

Loads dropped DLL 1 IoCs

pid	Process
4764	Overheaped237.exe

Blocklisted process makes network request 6 IoCs

flow	pid	Process
36	3728	msiexec.exe
38	3728	msiexec.exe
40	3728	msiexec.exe
42	3728	msiexec.exe
46	3728	msiexec.exe
49	3728	msiexec.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
35	drive.google.com
36	drive.google.com

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
48	checkip.dyndns.org

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
3728	msiexec.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
4020	powershell.exe
3728	msiexec.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\udlndingelovene\troldunge.ini	Overheaped237.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3560	3728	WerFault.exe	93

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	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Overheaped237.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4020	powershell.exe
4020	powershell.exe
4020	powershell.exe
4020	powershell.exe
4020	powershell.exe
4020	powershell.exe
4020	powershell.exe
3728	msiexec.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4020	powershell.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeDebugPrivilege	4020	powershell.exe
Token: SeIncreaseQuotaPrivilege	4020	powershell.exe
Token: SeSecurityPrivilege	4020	powershell.exe
Token: SeTakeOwnershipPrivilege	4020	powershell.exe
Token: SeLoadDriverPrivilege	4020	powershell.exe
Token: SeSystemProfilePrivilege	4020	powershell.exe
Token: SeSystemtimePrivilege	4020	powershell.exe
Token: SeProfSingleProcessPrivilege	4020	powershell.exe
Token: SeIncBasePriorityPrivilege	4020	powershell.exe
Token: SeCreatePagefilePrivilege	4020	powershell.exe
Token: SeBackupPrivilege	4020	powershell.exe
Token: SeRestorePrivilege	4020	powershell.exe
Token: SeShutdownPrivilege	4020	powershell.exe
Token: SeDebugPrivilege	4020	powershell.exe
Token: SeSystemEnvironmentPrivilege	4020	powershell.exe
Token: SeRemoteShutdownPrivilege	4020	powershell.exe
Token: SeUndockPrivilege	4020	powershell.exe
Token: SeManageVolumePrivilege	4020	powershell.exe
Token: 33	4020	powershell.exe
Token: 34	4020	powershell.exe
Token: 35	4020	powershell.exe
Token: 36	4020	powershell.exe
Token: SeDebugPrivilege	3728	msiexec.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4764 wrote to memory of 4020	4764	Overheaped237.exe	84
PID 4764 wrote to memory of 4020	4764	Overheaped237.exe	84
PID 4764 wrote to memory of 4020	4764	Overheaped237.exe	84
PID 4020 wrote to memory of 3728	4020	powershell.exe	93
PID 4020 wrote to memory of 3728	4020	powershell.exe	93
PID 4020 wrote to memory of 3728	4020	powershell.exe	93
PID 4020 wrote to memory of 3728	4020	powershell.exe	93

C:\Users\Admin\AppData\Local\Temp\Overheaped237.exe
"C:\Users\Admin\AppData\Local\Temp\Overheaped237.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4764
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -windowstyle hidden "$Circumcorneal=gc -raw 'C:\Users\Admin\AppData\Roaming\china\Mixeren\verbalises\Deinos253\Ekstensives.Bnd';$Liturgiernes=$Circumcorneal.SubString(18059,3);.$Liturgiernes($Circumcorneal) "
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4020
- - C:\Windows\SysWOW64\msiexec.exe
    "C:\Windows\SysWOW64\msiexec.exe"
    3⤵
    - Blocklisted process makes network request
    - Suspicious use of NtCreateThreadExHideFromDebugger
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3728
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3728 -s 2396
      4⤵
      Program crash
      PID:3560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3728 -ip 3728
1⤵
PID:2188

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\justifikationssager.lnk

Filesize
780B

MD5
6419ef7706c0f28733993746dd247f3c

SHA1
969d9d5c6326dd91637d6cc973c26d5830f3fb91

SHA256
90cb6adb4dc0513503740db6a1c7231cf055b1b2077f97bb380906b421945a31

SHA512
d38900f332957d8f5d3b7e62201a460feeb5d91a459ceee2ca70a6fbde270c3458fb83ecf15e82351b4a5deacd3f37306098aa1090f8c4daa60eddcd12f904c4

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_scoyezfh.bgn.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsr7D7F.tmp\nsExec.dll

Filesize
6KB

MD5
b648c78981c02c434d6a04d4422a6198

SHA1
74d99eed1eae76c7f43454c01cdb7030e5772fc2

SHA256
3e3d516d4f28948a474704d5dc9907dbe39e3b3f98e7299f536337278c59c5c9

SHA512
219c88c0ef9fd6e3be34c56d8458443e695badd27861d74c486143306a94b8318e6593bf4da81421e88e4539b238557dd4fe1f5bedf3ecec59727917099e90d2

Download Submit
C:\Users\Admin\AppData\Roaming\china\Mixeren\verbalises\Deinos253\Ekstensives.Bnd

Filesize
68KB

MD5
c218052ab259497819cfe121db3e7483

SHA1
ff3d7204dd2d9aa1a590132db4e347d2db7af7c3

SHA256
0e4b16fa84ad77589a294a9a4d9bfd243eeccf6a2be6975e2122b3537a7e1cf6

SHA512
73704852648a92e92ee0be371c463f6c4ba41c15f1e043e5b43d7c1d55771b64488a15bcf9f3a2316a5d2746908b75dd542d417d935660ab5694c97f38027af9

Download Submit
C:\Users\Admin\AppData\Roaming\china\Mixeren\verbalises\Deinos253\Uplejedes.Ile

Filesize
352KB

MD5
0b6f4d48e7517e011d43644f2f7f6f14

SHA1
c97bf2f3fb0617a951e2d1757e086f642bbd7cb7

SHA256
bfd1a80e5fb97d60cf6aea256ef9a178406f557b413ce561084f8535d02cd6d2

SHA512
b419289eb4e56556a9c2f0c2abf7574f9cb811eadc772e33548cec8d7d76708ee01bd32dbe63ddc5719d3f070fd54457317c3dc4ad9b46d094f20197c7b6545c

Download Submit
memory/3728-111-0x0000000024A00000-0x0000000024A9C000-memory.dmp

Filesize
624KB

Download
memory/3728-109-0x0000000000D10000-0x0000000001F64000-memory.dmp

Filesize
18.3MB

Download
memory/3728-110-0x0000000000D10000-0x0000000000D5A000-memory.dmp

Filesize
296KB

Download
memory/4020-53-0x00000000066A0000-0x00000000066EC000-memory.dmp

Filesize
304KB

Download
memory/4020-79-0x0000000007D90000-0x0000000007DA4000-memory.dmp

Filesize
80KB

Download
memory/4020-51-0x0000000006190000-0x00000000064E4000-memory.dmp

Filesize
3.3MB

Download
memory/4020-52-0x0000000006650000-0x000000000666E000-memory.dmp

Filesize
120KB

Download
memory/4020-41-0x0000000006020000-0x0000000006086000-memory.dmp

Filesize
408KB

Download
memory/4020-54-0x0000000007630000-0x00000000076C6000-memory.dmp

Filesize
600KB

Download
memory/4020-55-0x0000000006B70000-0x0000000006B8A000-memory.dmp

Filesize
104KB

Download
memory/4020-56-0x0000000006BC0000-0x0000000006BE2000-memory.dmp

Filesize
136KB

Download
memory/4020-57-0x0000000007EB0000-0x0000000008454000-memory.dmp

Filesize
5.6MB

Download
memory/4020-39-0x00000000056B0000-0x00000000056D2000-memory.dmp

Filesize
136KB

Download
memory/4020-59-0x0000000008AE0000-0x000000000915A000-memory.dmp

Filesize
6.5MB

Download
memory/4020-61-0x0000000070830000-0x000000007087C000-memory.dmp

Filesize
304KB

Download
memory/4020-60-0x0000000007A60000-0x0000000007A92000-memory.dmp

Filesize
200KB

Download
memory/4020-72-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/4020-71-0x0000000007AA0000-0x0000000007ABE000-memory.dmp

Filesize
120KB

Download
memory/4020-73-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/4020-74-0x0000000007AD0000-0x0000000007B73000-memory.dmp

Filesize
652KB

Download
memory/4020-75-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/4020-76-0x0000000007BD0000-0x0000000007BDA000-memory.dmp

Filesize
40KB

Download
memory/4020-77-0x0000000007D30000-0x0000000007D41000-memory.dmp

Filesize
68KB

Download
memory/4020-78-0x0000000007D80000-0x0000000007D8E000-memory.dmp

Filesize
56KB

Download
memory/4020-40-0x0000000005FB0000-0x0000000006016000-memory.dmp

Filesize
408KB

Download
memory/4020-80-0x0000000007DD0000-0x0000000007DEA000-memory.dmp

Filesize
104KB

Download
memory/4020-81-0x0000000007DC0000-0x0000000007DC8000-memory.dmp

Filesize
32KB

Download
memory/4020-82-0x0000000007E20000-0x0000000007E4A000-memory.dmp

Filesize
168KB

Download
memory/4020-83-0x0000000007E50000-0x0000000007E74000-memory.dmp

Filesize
144KB

Download
memory/4020-84-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/4020-85-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/4020-38-0x0000000005890000-0x0000000005EB8000-memory.dmp

Filesize
6.2MB

Download
memory/4020-88-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/4020-87-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download
memory/4020-89-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/4020-90-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/4020-91-0x0000000009160000-0x000000000DD19000-memory.dmp

Filesize
75.7MB

Download
memory/4020-92-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/4020-93-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/4020-94-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/4020-96-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/4020-37-0x0000000074A10000-0x00000000751C0000-memory.dmp

Filesize
7.7MB

Download
memory/4020-36-0x0000000003080000-0x00000000030B6000-memory.dmp

Filesize
216KB

Download
memory/4020-35-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download