umbral | e6ce3dd93c2d407085ea10bb6f22bd89a34e7fff719e5579ee47f4f2fdaed921

Analysis

max time kernel
93s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11/02/2024, 04:26

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c964c96a473bbd29377a62c0d6e1d100.exe
Size

231KB
MD5

c964c96a473bbd29377a62c0d6e1d100
SHA1

879c4eebdfce76f13a2be8209c5b1ce3676152ef
SHA256

e6ce3dd93c2d407085ea10bb6f22bd89a34e7fff719e5579ee47f4f2fdaed921
SHA512

36e472d0b7d34a3b9968eb4c540cf839592df4b1147c1063fd0be4b72748cd48c0d8d46ef5cb6949932844951cd2f2dc5de7fdecbc98fc232958fe285813cf95
SSDEEP

6144:xloZM9rIkd8g+EtXHkv/iD4085oBPUon6WvRsY9+N0C8e1mkHi:DoZOL+EP8085oBPUon6WvRsY9eHC

Score

10^/10

umbral spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral2/memory/1192-0-0x000002015C1E0000-0x000002015C220000-memory.dmp	family_umbral

Umbral
Umbral stealer is an opensource moduler stealer written in C#.
stealer umbral

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	c964c96a473bbd29377a62c0d6e1d100.exe

Reads user/profile data of web browsers 2 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

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

Web Service

T1102

flow	ioc
23	discord.com
24	discord.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
17	ip-api.com

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
3996	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4340	PING.EXE

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4488	powershell.exe
4488	powershell.exe
4944	powershell.exe
4944	powershell.exe
2980	powershell.exe
2980	powershell.exe
4896	powershell.exe
4896	powershell.exe
3672	powershell.exe
3672	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1192	c964c96a473bbd29377a62c0d6e1d100.exe
Token: SeDebugPrivilege	4488	powershell.exe
Token: SeDebugPrivilege	4944	powershell.exe
Token: SeDebugPrivilege	2980	powershell.exe
Token: SeDebugPrivilege	4896	powershell.exe
Token: SeIncreaseQuotaPrivilege	3276	wmic.exe
Token: SeSecurityPrivilege	3276	wmic.exe
Token: SeTakeOwnershipPrivilege	3276	wmic.exe
Token: SeLoadDriverPrivilege	3276	wmic.exe
Token: SeSystemProfilePrivilege	3276	wmic.exe
Token: SeSystemtimePrivilege	3276	wmic.exe
Token: SeProfSingleProcessPrivilege	3276	wmic.exe
Token: SeIncBasePriorityPrivilege	3276	wmic.exe
Token: SeCreatePagefilePrivilege	3276	wmic.exe
Token: SeBackupPrivilege	3276	wmic.exe
Token: SeRestorePrivilege	3276	wmic.exe
Token: SeShutdownPrivilege	3276	wmic.exe
Token: SeDebugPrivilege	3276	wmic.exe
Token: SeSystemEnvironmentPrivilege	3276	wmic.exe
Token: SeRemoteShutdownPrivilege	3276	wmic.exe
Token: SeUndockPrivilege	3276	wmic.exe
Token: SeManageVolumePrivilege	3276	wmic.exe
Token: 33	3276	wmic.exe
Token: 34	3276	wmic.exe
Token: 35	3276	wmic.exe
Token: 36	3276	wmic.exe
Token: SeIncreaseQuotaPrivilege	3276	wmic.exe
Token: SeSecurityPrivilege	3276	wmic.exe
Token: SeTakeOwnershipPrivilege	3276	wmic.exe
Token: SeLoadDriverPrivilege	3276	wmic.exe
Token: SeSystemProfilePrivilege	3276	wmic.exe
Token: SeSystemtimePrivilege	3276	wmic.exe
Token: SeProfSingleProcessPrivilege	3276	wmic.exe
Token: SeIncBasePriorityPrivilege	3276	wmic.exe
Token: SeCreatePagefilePrivilege	3276	wmic.exe
Token: SeBackupPrivilege	3276	wmic.exe
Token: SeRestorePrivilege	3276	wmic.exe
Token: SeShutdownPrivilege	3276	wmic.exe
Token: SeDebugPrivilege	3276	wmic.exe
Token: SeSystemEnvironmentPrivilege	3276	wmic.exe
Token: SeRemoteShutdownPrivilege	3276	wmic.exe
Token: SeUndockPrivilege	3276	wmic.exe
Token: SeManageVolumePrivilege	3276	wmic.exe
Token: 33	3276	wmic.exe
Token: 34	3276	wmic.exe
Token: 35	3276	wmic.exe
Token: 36	3276	wmic.exe
Token: SeIncreaseQuotaPrivilege	216	wmic.exe
Token: SeSecurityPrivilege	216	wmic.exe
Token: SeTakeOwnershipPrivilege	216	wmic.exe
Token: SeLoadDriverPrivilege	216	wmic.exe
Token: SeSystemProfilePrivilege	216	wmic.exe
Token: SeSystemtimePrivilege	216	wmic.exe
Token: SeProfSingleProcessPrivilege	216	wmic.exe
Token: SeIncBasePriorityPrivilege	216	wmic.exe
Token: SeCreatePagefilePrivilege	216	wmic.exe
Token: SeBackupPrivilege	216	wmic.exe
Token: SeRestorePrivilege	216	wmic.exe
Token: SeShutdownPrivilege	216	wmic.exe
Token: SeDebugPrivilege	216	wmic.exe
Token: SeSystemEnvironmentPrivilege	216	wmic.exe
Token: SeRemoteShutdownPrivilege	216	wmic.exe
Token: SeUndockPrivilege	216	wmic.exe
Token: SeManageVolumePrivilege	216	wmic.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1192 wrote to memory of 1240	1192	c964c96a473bbd29377a62c0d6e1d100.exe	84
PID 1192 wrote to memory of 1240	1192	c964c96a473bbd29377a62c0d6e1d100.exe	84
PID 1192 wrote to memory of 4488	1192	c964c96a473bbd29377a62c0d6e1d100.exe	86
PID 1192 wrote to memory of 4488	1192	c964c96a473bbd29377a62c0d6e1d100.exe	86
PID 1192 wrote to memory of 4944	1192	c964c96a473bbd29377a62c0d6e1d100.exe	89
PID 1192 wrote to memory of 4944	1192	c964c96a473bbd29377a62c0d6e1d100.exe	89
PID 1192 wrote to memory of 2980	1192	c964c96a473bbd29377a62c0d6e1d100.exe	90
PID 1192 wrote to memory of 2980	1192	c964c96a473bbd29377a62c0d6e1d100.exe	90
PID 1192 wrote to memory of 4896	1192	c964c96a473bbd29377a62c0d6e1d100.exe	93
PID 1192 wrote to memory of 4896	1192	c964c96a473bbd29377a62c0d6e1d100.exe	93
PID 1192 wrote to memory of 3276	1192	c964c96a473bbd29377a62c0d6e1d100.exe	94
PID 1192 wrote to memory of 3276	1192	c964c96a473bbd29377a62c0d6e1d100.exe	94
PID 1192 wrote to memory of 216	1192	c964c96a473bbd29377a62c0d6e1d100.exe	97
PID 1192 wrote to memory of 216	1192	c964c96a473bbd29377a62c0d6e1d100.exe	97
PID 1192 wrote to memory of 2884	1192	c964c96a473bbd29377a62c0d6e1d100.exe	99
PID 1192 wrote to memory of 2884	1192	c964c96a473bbd29377a62c0d6e1d100.exe	99
PID 1192 wrote to memory of 3672	1192	c964c96a473bbd29377a62c0d6e1d100.exe	101
PID 1192 wrote to memory of 3672	1192	c964c96a473bbd29377a62c0d6e1d100.exe	101
PID 1192 wrote to memory of 3996	1192	c964c96a473bbd29377a62c0d6e1d100.exe	103
PID 1192 wrote to memory of 3996	1192	c964c96a473bbd29377a62c0d6e1d100.exe	103
PID 1192 wrote to memory of 4776	1192	c964c96a473bbd29377a62c0d6e1d100.exe	108
PID 1192 wrote to memory of 4776	1192	c964c96a473bbd29377a62c0d6e1d100.exe	108
PID 4776 wrote to memory of 4340	4776	cmd.exe	110
PID 4776 wrote to memory of 4340	4776	cmd.exe	110

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1240	attrib.exe

C:\Users\Admin\AppData\Local\Temp\c964c96a473bbd29377a62c0d6e1d100.exe
"C:\Users\Admin\AppData\Local\Temp\c964c96a473bbd29377a62c0d6e1d100.exe"
1⤵
- Drops file in Drivers directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\c964c96a473bbd29377a62c0d6e1d100.exe"
  2⤵
  - Views/modifies file attributes
  PID:1240
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\c964c96a473bbd29377a62c0d6e1d100.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4488
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4944
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2980
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4896
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3276
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:216
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:2884
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3672
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:3996
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\c964c96a473bbd29377a62c0d6e1d100.exe" && pause
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4776
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - Runs ping.exe
    PID:4340

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
8e30842ac3525e8dc87f1e7a5ccb2c96

SHA1
878d7045106afa2a4fd684f8b36cc85dec337dc1

SHA256
728be4c4c68c432660a88258a27bc96bbaa19f57822998a2f98e2974eed9ff6b

SHA512
a4d872e67fdd20de70fca6bc0639277c69e644a9e67c71acaada6226ee22c9741565ad12577fbf2d173a24b550ec508f2177151efd727338d6bc814d62389100

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
948B

MD5
1d143d8f176947e4677211d4a25162e0

SHA1
8b595dccdc6dd126d7660cb074968b2e28ce7071

SHA256
5552727ed38222e454bf700c88d5b1d16823e2ffb095ecb0aa8c1d73b897eab8

SHA512
bc4096fd0f70abdf9286f44fa97d8dfb8773506c9358d9967fcade44f4686e647b0c394792bdf1c2df6888e0d20ce2e053a435f543c125629afcc90cbe394497

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
276798eeb29a49dc6e199768bc9c2e71

SHA1
5fdc8ccb897ac2df7476fbb07517aca5b7a6205b

SHA256
cd0a1056e8f1b6cb5cb328532239d802f4e2aa8f8fcdc0fcb487684bd68e0dcc

SHA512
0d34fce64bbefc57d64fa6e03ca886952263d5f24df9c1c4cce6a1e8f5a47a9a21e9820f8d38caa7f7b43a52336ce00b738ea18419aaa7c788b72e04ce19e4f2

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2m1xhia4.o5t.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1192-83-0x00007FFF5A9E0000-0x00007FFF5B4A1000-memory.dmp

Filesize
10.8MB

Download
memory/1192-39-0x0000020176960000-0x00000201769D6000-memory.dmp

Filesize
472KB

Download
memory/1192-0-0x000002015C1E0000-0x000002015C220000-memory.dmp

Filesize
256KB

Download
memory/1192-2-0x000002015C640000-0x000002015C650000-memory.dmp

Filesize
64KB

Download
memory/1192-89-0x0000020176AE0000-0x0000020176AF2000-memory.dmp

Filesize
72KB

Download
memory/1192-112-0x00007FFF5A9E0000-0x00007FFF5B4A1000-memory.dmp

Filesize
10.8MB

Download
memory/1192-92-0x000002015C640000-0x000002015C650000-memory.dmp

Filesize
64KB

Download
memory/1192-88-0x000002015E100000-0x000002015E10A000-memory.dmp

Filesize
40KB

Download
memory/1192-41-0x000002015E0D0000-0x000002015E0EE000-memory.dmp

Filesize
120KB

Download
memory/1192-1-0x00007FFF5A9E0000-0x00007FFF5B4A1000-memory.dmp

Filesize
10.8MB

Download
memory/1192-40-0x00000201768E0000-0x0000020176930000-memory.dmp

Filesize
320KB

Download
memory/2980-69-0x00007FFF5A9E0000-0x00007FFF5B4A1000-memory.dmp

Filesize
10.8MB

Download
memory/2980-67-0x00000263B0630000-0x00000263B0640000-memory.dmp

Filesize
64KB

Download
memory/2980-43-0x00000263B0630000-0x00000263B0640000-memory.dmp

Filesize
64KB

Download
memory/2980-42-0x00007FFF5A9E0000-0x00007FFF5B4A1000-memory.dmp

Filesize
10.8MB

Download
memory/2980-44-0x00000263B0630000-0x00000263B0640000-memory.dmp

Filesize
64KB

Download
memory/3672-104-0x00000250E5900000-0x00000250E5910000-memory.dmp

Filesize
64KB

Download
memory/3672-105-0x00000250E5900000-0x00000250E5910000-memory.dmp

Filesize
64KB

Download
memory/3672-98-0x00007FFF5A9E0000-0x00007FFF5B4A1000-memory.dmp

Filesize
10.8MB

Download
memory/3672-107-0x00007FFF5A9E0000-0x00007FFF5B4A1000-memory.dmp

Filesize
10.8MB

Download
memory/4488-5-0x0000020D740C0000-0x0000020D740D0000-memory.dmp

Filesize
64KB

Download
memory/4488-3-0x00007FFF5A9E0000-0x00007FFF5B4A1000-memory.dmp

Filesize
10.8MB

Download
memory/4488-6-0x0000020D740C0000-0x0000020D740D0000-memory.dmp

Filesize
64KB

Download
memory/4488-19-0x00007FFF5A9E0000-0x00007FFF5B4A1000-memory.dmp

Filesize
10.8MB

Download
memory/4488-16-0x0000020D740C0000-0x0000020D740D0000-memory.dmp

Filesize
64KB

Download
memory/4488-4-0x0000020D74140000-0x0000020D74162000-memory.dmp

Filesize
136KB

Download
memory/4896-84-0x000001A5F0230000-0x000001A5F0240000-memory.dmp

Filesize
64KB

Download
memory/4896-86-0x00007FFF5A9E0000-0x00007FFF5B4A1000-memory.dmp

Filesize
10.8MB

Download
memory/4896-72-0x000001A5F0230000-0x000001A5F0240000-memory.dmp

Filesize
64KB

Download
memory/4896-71-0x000001A5F0230000-0x000001A5F0240000-memory.dmp

Filesize
64KB

Download
memory/4896-70-0x00007FFF5A9E0000-0x00007FFF5B4A1000-memory.dmp

Filesize
10.8MB

Download
memory/4944-36-0x00007FFF5A9E0000-0x00007FFF5B4A1000-memory.dmp

Filesize
10.8MB

Download
memory/4944-35-0x0000012B1FBA0000-0x0000012B1FBB0000-memory.dmp

Filesize
64KB

Download
memory/4944-23-0x0000012B1FBA0000-0x0000012B1FBB0000-memory.dmp

Filesize
64KB

Download
memory/4944-22-0x0000012B1FBA0000-0x0000012B1FBB0000-memory.dmp

Filesize
64KB

Download
memory/4944-21-0x00007FFF5A9E0000-0x00007FFF5B4A1000-memory.dmp

Filesize
10.8MB

Download