vipkeylogger | 320ecbcf165e59f3aa79faf7b80d076e979c2cee166d6fcd225e4be5cac2bce1

General

Target

ORY987650090.exe
Size

786KB
MD5

0775df6f175b9e95b8a56fdfd22df1c2
SHA1

c417f98d67f4ee9753e03ecf90c987fa9f0a10e2
SHA256

29205d95468e39eb69b47f1bbec3c93411003098765e5b2af4adeab341dc24a0
SHA512

33fe1ea924edad38b46792d58f086109b78da48f79bfa1de186ab6dc810f6713aefd86d8132b3a2d2394064f5712b9c23140d6213f6d722e52d8d7eaea8b98f9
SSDEEP

12288:ksHzOUNUSB/o5LsI1uwajJ5yvv1l2121VEJbB5dbyPiMWpfzi+Ttvw:HiUmSB/o5d1ubcvs2bMbgVWtrZw

Score

10^/10

vipkeylogger collection credential_access discovery keylogger stealer upx

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7339564661:AAFzTB6gEWMndjXYyD5LCn17UEBISRR8wDI/sendMessage?chat_id=6443825857

Signatures

VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
stealer keylogger vipkeylogger
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Maianthemum.vbs	Maianthemum.exe

Executes dropped EXE 1 IoCs

pid	Process
2764	Maianthemum.exe

Loads dropped DLL 1 IoCs

pid	Process
2644	ORY987650090.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2644-0-0x0000000001150000-0x0000000001305000-memory.dmp	upx
behavioral1/files/0x0007000000016de2-13.dat	upx
behavioral1/memory/2764-19-0x00000000011A0000-0x0000000001355000-memory.dmp	upx
behavioral1/memory/2644-18-0x0000000002BB0000-0x0000000002D65000-memory.dmp	upx
behavioral1/memory/2644-20-0x0000000001150000-0x0000000001305000-memory.dmp	upx
behavioral1/memory/2764-40-0x00000000011A0000-0x0000000001355000-memory.dmp	upx

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

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
4	checkip.dyndns.org

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2764-19-0x00000000011A0000-0x0000000001355000-memory.dmp	autoit_exe
behavioral1/memory/2644-20-0x0000000001150000-0x0000000001305000-memory.dmp	autoit_exe
behavioral1/memory/2764-40-0x00000000011A0000-0x0000000001355000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2764 set thread context of 2844	2764	Maianthemum.exe	31

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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	ORY987650090.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Maianthemum.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2844	svchost.exe
2844	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2764	Maianthemum.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2844	svchost.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2644	ORY987650090.exe
2644	ORY987650090.exe
2764	Maianthemum.exe
2764	Maianthemum.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2644	ORY987650090.exe
2644	ORY987650090.exe
2764	Maianthemum.exe
2764	Maianthemum.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2764	2644	ORY987650090.exe	30
PID 2644 wrote to memory of 2764	2644	ORY987650090.exe	30
PID 2644 wrote to memory of 2764	2644	ORY987650090.exe	30
PID 2644 wrote to memory of 2764	2644	ORY987650090.exe	30
PID 2764 wrote to memory of 2844	2764	Maianthemum.exe	31
PID 2764 wrote to memory of 2844	2764	Maianthemum.exe	31
PID 2764 wrote to memory of 2844	2764	Maianthemum.exe	31
PID 2764 wrote to memory of 2844	2764	Maianthemum.exe	31
PID 2764 wrote to memory of 2844	2764	Maianthemum.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	svchost.exe

C:\Users\Admin\AppData\Local\Temp\ORY987650090.exe
"C:\Users\Admin\AppData\Local\Temp\ORY987650090.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Users\Admin\AppData\Local\Bohmerwald\Maianthemum.exe
  "C:\Users\Admin\AppData\Local\Temp\ORY987650090.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2764
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\ORY987650090.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:2844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Discovery

Browser Information Discovery

1

T1217

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Idonna

Filesize
203KB

MD5
055fbdc2c6fa6ca666d9b5a26638dbb4

SHA1
e5c94f09c19b33fe0532e78ec325ebe4c3e97963

SHA256
f68cad319b4bbd7c39a2a8d117f8034611f15ee6b2043cf8434ab5cc4eda526c

SHA512
9c05ac424386abdbe3e71845df15ac5105ef9f53f325e2acb1719c91269847c6a0a209861bde380529e90a6e56c83cf6200f7a25bc9fcdb90e3ea8b571db77f2

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

Filesize
145KB

MD5
61fbdd4805392471dd95b5e54bf817f0

SHA1
25852d5c653fefde91fd20aefc296497401a44e0

SHA256
a591bff9f9d4eb15c687511a06d53e6e1180198ecb70177f370adec19451ee15

SHA512
45c507d2020fa7586542dd37cf1a1d4ba5ea59b51289822eb36ea436c268e46677ac364930a033015c7ec904032f7bf893ac9f71941569e357bba77de69dbf85

Download Submit
\Users\Admin\AppData\Local\Bohmerwald\Maianthemum.exe

Filesize
786KB

MD5
0775df6f175b9e95b8a56fdfd22df1c2

SHA1
c417f98d67f4ee9753e03ecf90c987fa9f0a10e2

SHA256
29205d95468e39eb69b47f1bbec3c93411003098765e5b2af4adeab341dc24a0

SHA512
33fe1ea924edad38b46792d58f086109b78da48f79bfa1de186ab6dc810f6713aefd86d8132b3a2d2394064f5712b9c23140d6213f6d722e52d8d7eaea8b98f9

Download Submit
memory/2644-11-0x00000000002A0000-0x00000000002A4000-memory.dmp

Filesize
16KB

Download
memory/2644-0-0x0000000001150000-0x0000000001305000-memory.dmp

Filesize
1.7MB

Download
memory/2644-18-0x0000000002BB0000-0x0000000002D65000-memory.dmp

Filesize
1.7MB

Download
memory/2644-20-0x0000000001150000-0x0000000001305000-memory.dmp

Filesize
1.7MB

Download
memory/2764-40-0x00000000011A0000-0x0000000001355000-memory.dmp

Filesize
1.7MB

Download
memory/2764-19-0x00000000011A0000-0x0000000001355000-memory.dmp

Filesize
1.7MB

Download
memory/2844-43-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download
memory/2844-37-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2844-38-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2844-41-0x00000000747CE000-0x00000000747CF000-memory.dmp

Filesize
4KB

Download
memory/2844-42-0x00000000003A0000-0x00000000003F0000-memory.dmp

Filesize
320KB

Download
memory/2844-35-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2844-44-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download
memory/2844-45-0x0000000000530000-0x000000000057E000-memory.dmp

Filesize
312KB

Download
memory/2844-46-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download
memory/2844-47-0x00000000747CE000-0x00000000747CF000-memory.dmp

Filesize
4KB

Download
memory/2844-48-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download
memory/2844-49-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download
memory/2844-50-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing