umbral | ed014366195129234631901d05871e2fec76dcfc55c7ad1d9b9a871a7a3c84ef

Analysis

max time kernel
76s
max time network
79s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 01:59

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General

Target

ssc auto farm.exe
Size

234KB
MD5

93b8af81f443c7c7e2f7b2849a6d9267
SHA1

2f52da087a33204cc30cd5a32acd56c21ca49130
SHA256

ed014366195129234631901d05871e2fec76dcfc55c7ad1d9b9a871a7a3c84ef
SHA512

d9ae274fe0edefbc5d2f53079ed0e21a1a2affa8d995aa0433814f464230ff87b9f43295485a083f23b061c1f73d172118172f6c332f33c7f4a3925f0f946fee
SSDEEP

6144:IloZM+rIkd8g+EtXHkv/iD4KRLPOsTPkKFQu//Om9b8e1m9rw73iI:WoZtL+EP8KRLPOsTPkKFQu//O2GrwW

Score

10^/10

umbral credential_access discovery execution spyware stealer

Malware Config

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
behavioral2/memory/2200-0-0x000001F8404F0000-0x000001F840530000-memory.dmp	family_umbral

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

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2128	powershell.exe
4864	powershell.exe
1504	powershell.exe
1664	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	ssc auto farm.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
21	discord.com
22	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
3	ip-api.com

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2356	PING.EXE
4432	cmd.exe

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
2644	wmic.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2356	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2200	ssc auto farm.exe
2128	powershell.exe
2128	powershell.exe
4864	powershell.exe
4864	powershell.exe
1504	powershell.exe
1504	powershell.exe
1896	powershell.exe
1896	powershell.exe
1664	powershell.exe
1664	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2200	ssc auto farm.exe
Token: SeIncreaseQuotaPrivilege	944	wmic.exe
Token: SeSecurityPrivilege	944	wmic.exe
Token: SeTakeOwnershipPrivilege	944	wmic.exe
Token: SeLoadDriverPrivilege	944	wmic.exe
Token: SeSystemProfilePrivilege	944	wmic.exe
Token: SeSystemtimePrivilege	944	wmic.exe
Token: SeProfSingleProcessPrivilege	944	wmic.exe
Token: SeIncBasePriorityPrivilege	944	wmic.exe
Token: SeCreatePagefilePrivilege	944	wmic.exe
Token: SeBackupPrivilege	944	wmic.exe
Token: SeRestorePrivilege	944	wmic.exe
Token: SeShutdownPrivilege	944	wmic.exe
Token: SeDebugPrivilege	944	wmic.exe
Token: SeSystemEnvironmentPrivilege	944	wmic.exe
Token: SeRemoteShutdownPrivilege	944	wmic.exe
Token: SeUndockPrivilege	944	wmic.exe
Token: SeManageVolumePrivilege	944	wmic.exe
Token: 33	944	wmic.exe
Token: 34	944	wmic.exe
Token: 35	944	wmic.exe
Token: 36	944	wmic.exe
Token: SeIncreaseQuotaPrivilege	944	wmic.exe
Token: SeSecurityPrivilege	944	wmic.exe
Token: SeTakeOwnershipPrivilege	944	wmic.exe
Token: SeLoadDriverPrivilege	944	wmic.exe
Token: SeSystemProfilePrivilege	944	wmic.exe
Token: SeSystemtimePrivilege	944	wmic.exe
Token: SeProfSingleProcessPrivilege	944	wmic.exe
Token: SeIncBasePriorityPrivilege	944	wmic.exe
Token: SeCreatePagefilePrivilege	944	wmic.exe
Token: SeBackupPrivilege	944	wmic.exe
Token: SeRestorePrivilege	944	wmic.exe
Token: SeShutdownPrivilege	944	wmic.exe
Token: SeDebugPrivilege	944	wmic.exe
Token: SeSystemEnvironmentPrivilege	944	wmic.exe
Token: SeRemoteShutdownPrivilege	944	wmic.exe
Token: SeUndockPrivilege	944	wmic.exe
Token: SeManageVolumePrivilege	944	wmic.exe
Token: 33	944	wmic.exe
Token: 34	944	wmic.exe
Token: 35	944	wmic.exe
Token: 36	944	wmic.exe
Token: SeDebugPrivilege	2128	powershell.exe
Token: SeDebugPrivilege	4864	powershell.exe
Token: SeDebugPrivilege	1504	powershell.exe
Token: SeDebugPrivilege	1896	powershell.exe
Token: SeIncreaseQuotaPrivilege	2224	wmic.exe
Token: SeSecurityPrivilege	2224	wmic.exe
Token: SeTakeOwnershipPrivilege	2224	wmic.exe
Token: SeLoadDriverPrivilege	2224	wmic.exe
Token: SeSystemProfilePrivilege	2224	wmic.exe
Token: SeSystemtimePrivilege	2224	wmic.exe
Token: SeProfSingleProcessPrivilege	2224	wmic.exe
Token: SeIncBasePriorityPrivilege	2224	wmic.exe
Token: SeCreatePagefilePrivilege	2224	wmic.exe
Token: SeBackupPrivilege	2224	wmic.exe
Token: SeRestorePrivilege	2224	wmic.exe
Token: SeShutdownPrivilege	2224	wmic.exe
Token: SeDebugPrivilege	2224	wmic.exe
Token: SeSystemEnvironmentPrivilege	2224	wmic.exe
Token: SeRemoteShutdownPrivilege	2224	wmic.exe
Token: SeUndockPrivilege	2224	wmic.exe
Token: SeManageVolumePrivilege	2224	wmic.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 944	2200	ssc auto farm.exe	85
PID 2200 wrote to memory of 944	2200	ssc auto farm.exe	85
PID 2200 wrote to memory of 1252	2200	ssc auto farm.exe	89
PID 2200 wrote to memory of 1252	2200	ssc auto farm.exe	89
PID 2200 wrote to memory of 2128	2200	ssc auto farm.exe	91
PID 2200 wrote to memory of 2128	2200	ssc auto farm.exe	91
PID 2200 wrote to memory of 4864	2200	ssc auto farm.exe	93
PID 2200 wrote to memory of 4864	2200	ssc auto farm.exe	93
PID 2200 wrote to memory of 1504	2200	ssc auto farm.exe	95
PID 2200 wrote to memory of 1504	2200	ssc auto farm.exe	95
PID 2200 wrote to memory of 1896	2200	ssc auto farm.exe	97
PID 2200 wrote to memory of 1896	2200	ssc auto farm.exe	97
PID 2200 wrote to memory of 2224	2200	ssc auto farm.exe	99
PID 2200 wrote to memory of 2224	2200	ssc auto farm.exe	99
PID 2200 wrote to memory of 3296	2200	ssc auto farm.exe	101
PID 2200 wrote to memory of 3296	2200	ssc auto farm.exe	101
PID 2200 wrote to memory of 4500	2200	ssc auto farm.exe	103
PID 2200 wrote to memory of 4500	2200	ssc auto farm.exe	103
PID 2200 wrote to memory of 1664	2200	ssc auto farm.exe	105
PID 2200 wrote to memory of 1664	2200	ssc auto farm.exe	105
PID 2200 wrote to memory of 2644	2200	ssc auto farm.exe	107
PID 2200 wrote to memory of 2644	2200	ssc auto farm.exe	107
PID 2200 wrote to memory of 4432	2200	ssc auto farm.exe	109
PID 2200 wrote to memory of 4432	2200	ssc auto farm.exe	109
PID 4432 wrote to memory of 2356	4432	cmd.exe	111
PID 4432 wrote to memory of 2356	4432	cmd.exe	111

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1252	attrib.exe

C:\Users\Admin\AppData\Local\Temp\ssc auto farm.exe
"C:\Users\Admin\AppData\Local\Temp\ssc auto farm.exe"
1⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:944
- C:\Windows\SYSTEM32\attrib.exe
  "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\ssc auto farm.exe"
  2⤵
  - Views/modifies file attributes
  PID:1252
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\ssc auto farm.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2128
- 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⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4864
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1504
- 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:1896
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" os get Caption
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2224
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" computersystem get totalphysicalmemory
  2⤵
  PID:3296
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:4500
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  PID:1664
- C:\Windows\System32\Wbem\wmic.exe
  "wmic" path win32_VideoController get name
  2⤵
  - Detects videocard installed
  PID:2644
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\ssc auto farm.exe" && pause
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4432
- - C:\Windows\system32\PING.EXE
    ping localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2356

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

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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
944B

MD5
d28a889fd956d5cb3accfbaf1143eb6f

SHA1
157ba54b365341f8ff06707d996b3635da8446f7

SHA256
21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

SHA512
0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

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

Filesize
948B

MD5
74a6b79d36b4aae8b027a218bc6e1af7

SHA1
0350e46c1df6934903c4820a00b0bc4721779e5f

SHA256
60c64f6803d7ad1408d0a8628100470859b16ef332d5f1bd8bb2debe51251d04

SHA512
60e71435a9a23f4c144d641844f4182ddc9aa4ccd3e99232149a187112dce96458aab9587e9fea46f5dc5a52f5ca758969a04657a2b5b10241d3e4554f7c85e0

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\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
ec79fae4e7c09310ebf4f2d85a33a638

SHA1
f2bdd995b12e65e7ed437d228f22223b59e76efb

SHA256
e9c4723a5fe34e081c3d2f548a1d472394cc7aa58056fcf44ca542061381243a

SHA512
af9dda12f6bb388d826fe03a4a8beed9bda23a978aa55a2af6a43271660ee896a7ee3bcf2c4d2f1e6180902791d8c23560f1c2ec097a501d8c6f4f6c49075625

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dvacgpli.b0i.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2128-13-0x00007FFBCB9A0000-0x00007FFBCC461000-memory.dmp

Filesize
10.8MB

Download
memory/2128-14-0x00007FFBCB9A0000-0x00007FFBCC461000-memory.dmp

Filesize
10.8MB

Download
memory/2128-15-0x00007FFBCB9A0000-0x00007FFBCC461000-memory.dmp

Filesize
10.8MB

Download
memory/2128-18-0x00007FFBCB9A0000-0x00007FFBCC461000-memory.dmp

Filesize
10.8MB

Download
memory/2128-8-0x000001F3F3DE0000-0x000001F3F3E02000-memory.dmp

Filesize
136KB

Download
memory/2200-34-0x000001F85ACC0000-0x000001F85AD10000-memory.dmp

Filesize
320KB

Download
memory/2200-33-0x000001F85AC40000-0x000001F85ACB6000-memory.dmp

Filesize
472KB

Download
memory/2200-35-0x000001F8423F0000-0x000001F84240E000-memory.dmp

Filesize
120KB

Download
memory/2200-0-0x000001F8404F0000-0x000001F840530000-memory.dmp

Filesize
256KB

Download
memory/2200-1-0x00007FFBCB9A3000-0x00007FFBCB9A5000-memory.dmp

Filesize
8KB

Download
memory/2200-71-0x000001F842460000-0x000001F84246A000-memory.dmp

Filesize
40KB

Download
memory/2200-72-0x000001F85AD30000-0x000001F85AD42000-memory.dmp

Filesize
72KB

Download
memory/2200-2-0x00007FFBCB9A0000-0x00007FFBCC461000-memory.dmp

Filesize
10.8MB

Download
memory/2200-90-0x00007FFBCB9A0000-0x00007FFBCC461000-memory.dmp

Filesize
10.8MB

Download