umbral | 6875f12af60ba6a8cdba7d0de127c23eae6c98f981abc66cf5c8b7fc74b83df9

Analysis

max time kernel
84s
max time network
83s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
22-02-2024 14:22

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General

Target

HAVOC.rar
Size

16.8MB
MD5

83252ecd7c7fb9d73666babf11028e88
SHA1

eee5fb070e365b029d25df28f54573dd47e3f4b5
SHA256

6875f12af60ba6a8cdba7d0de127c23eae6c98f981abc66cf5c8b7fc74b83df9
SHA512

3d1ac511af08749508b8edbe5450cb4928d7bd5a86180b323746c4e902c6d2ab064de6020f1d693c7910edd55723cfe52c43275c9a9dfee868abe83fa81d9dc6
SSDEEP

393216:gT3eEuG8i1NQ8nJ8he2jBIkmM968MLs9BPEJvBwgeI5WbVXAXwY3h:59Fi1NlChbVCs9BPEJpT5OXAgY3h

Score

10^/10

umbral stealer

Malware Config

Extracted

Family

umbral

https://discord.com/api/webhooks/1210097168828862514/qiMfB8pbI0VGmLbCJI5y8HimVnNMcTPgOOb0GXnBUBDvOTpqayQ7-E9CYaH-x55WGvwc

Signatures

Detect Umbral payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0006000000023228-24.dat	family_umbral
behavioral1/memory/716-26-0x000001CBA2E20000-0x000001CBA2E88000-memory.dmp	family_umbral
behavioral1/files/0x0006000000023228-36.dat	family_umbral

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1712835645-2080934712-2142796781-1000\Control Panel\International\Geo\Nation	cmd.exe

Executes dropped EXE 5 IoCs

pid	Process
716	Havoc.exe
660	Havoc.exe
3524	Havoc.exe
2700	Havoc.exe
3744	Havoc.exe

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

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1712835645-2080934712-2142796781-1000_Classes\Local Settings	cmd.exe

Suspicious behavior: EnumeratesProcesses 55 IoCs

pid	Process
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4584	taskmgr.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeRestorePrivilege	2100	7zFM.exe
Token: 35	2100	7zFM.exe
Token: SeSecurityPrivilege	2100	7zFM.exe
Token: SeDebugPrivilege	716	Havoc.exe
Token: SeIncreaseQuotaPrivilege	1500	wmic.exe
Token: SeSecurityPrivilege	1500	wmic.exe
Token: SeTakeOwnershipPrivilege	1500	wmic.exe
Token: SeLoadDriverPrivilege	1500	wmic.exe
Token: SeSystemProfilePrivilege	1500	wmic.exe
Token: SeSystemtimePrivilege	1500	wmic.exe
Token: SeProfSingleProcessPrivilege	1500	wmic.exe
Token: SeIncBasePriorityPrivilege	1500	wmic.exe
Token: SeCreatePagefilePrivilege	1500	wmic.exe
Token: SeBackupPrivilege	1500	wmic.exe
Token: SeRestorePrivilege	1500	wmic.exe
Token: SeShutdownPrivilege	1500	wmic.exe
Token: SeDebugPrivilege	1500	wmic.exe
Token: SeSystemEnvironmentPrivilege	1500	wmic.exe
Token: SeRemoteShutdownPrivilege	1500	wmic.exe
Token: SeUndockPrivilege	1500	wmic.exe
Token: SeManageVolumePrivilege	1500	wmic.exe
Token: 33	1500	wmic.exe
Token: 34	1500	wmic.exe
Token: 35	1500	wmic.exe
Token: 36	1500	wmic.exe
Token: SeIncreaseQuotaPrivilege	1500	wmic.exe
Token: SeSecurityPrivilege	1500	wmic.exe
Token: SeTakeOwnershipPrivilege	1500	wmic.exe
Token: SeLoadDriverPrivilege	1500	wmic.exe
Token: SeSystemProfilePrivilege	1500	wmic.exe
Token: SeSystemtimePrivilege	1500	wmic.exe
Token: SeProfSingleProcessPrivilege	1500	wmic.exe
Token: SeIncBasePriorityPrivilege	1500	wmic.exe
Token: SeCreatePagefilePrivilege	1500	wmic.exe
Token: SeBackupPrivilege	1500	wmic.exe
Token: SeRestorePrivilege	1500	wmic.exe
Token: SeShutdownPrivilege	1500	wmic.exe
Token: SeDebugPrivilege	1500	wmic.exe
Token: SeSystemEnvironmentPrivilege	1500	wmic.exe
Token: SeRemoteShutdownPrivilege	1500	wmic.exe
Token: SeUndockPrivilege	1500	wmic.exe
Token: SeManageVolumePrivilege	1500	wmic.exe
Token: 33	1500	wmic.exe
Token: 34	1500	wmic.exe
Token: 35	1500	wmic.exe
Token: 36	1500	wmic.exe
Token: SeDebugPrivilege	660	Havoc.exe
Token: SeIncreaseQuotaPrivilege	4620	wmic.exe
Token: SeSecurityPrivilege	4620	wmic.exe
Token: SeTakeOwnershipPrivilege	4620	wmic.exe
Token: SeLoadDriverPrivilege	4620	wmic.exe
Token: SeSystemProfilePrivilege	4620	wmic.exe
Token: SeSystemtimePrivilege	4620	wmic.exe
Token: SeProfSingleProcessPrivilege	4620	wmic.exe
Token: SeIncBasePriorityPrivilege	4620	wmic.exe
Token: SeCreatePagefilePrivilege	4620	wmic.exe
Token: SeBackupPrivilege	4620	wmic.exe
Token: SeRestorePrivilege	4620	wmic.exe
Token: SeShutdownPrivilege	4620	wmic.exe
Token: SeDebugPrivilege	4620	wmic.exe
Token: SeSystemEnvironmentPrivilege	4620	wmic.exe
Token: SeRemoteShutdownPrivilege	4620	wmic.exe
Token: SeUndockPrivilege	4620	wmic.exe
Token: SeManageVolumePrivilege	4620	wmic.exe

Suspicious use of FindShellTrayWindow 56 IoCs

pid	Process
2100	7zFM.exe
2100	7zFM.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe

Suspicious use of SendNotifyMessage 53 IoCs

pid	Process
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe
4584	taskmgr.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4440 wrote to memory of 2100	4440	cmd.exe	86
PID 4440 wrote to memory of 2100	4440	cmd.exe	86
PID 716 wrote to memory of 1500	716	Havoc.exe	97
PID 716 wrote to memory of 1500	716	Havoc.exe	97
PID 660 wrote to memory of 4620	660	Havoc.exe	103
PID 660 wrote to memory of 4620	660	Havoc.exe	103
PID 3524 wrote to memory of 2924	3524	Havoc.exe	106
PID 3524 wrote to memory of 2924	3524	Havoc.exe	106
PID 2700 wrote to memory of 2264	2700	Havoc.exe	111
PID 2700 wrote to memory of 2264	2700	Havoc.exe	111
PID 3744 wrote to memory of 1740	3744	Havoc.exe	113
PID 3744 wrote to memory of 1740	3744	Havoc.exe	113

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\HAVOC.rar
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4440
- C:\Program Files\7-Zip\7zFM.exe
  "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\HAVOC.rar"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:2100

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2836

C:\Users\Admin\Desktop\HAVOC\Havoc-Executor-V2\Havoc-Executor\Havoc-Executor\Havoc-Executor\Havoc-Executor\Havoc.exe
"C:\Users\Admin\Desktop\HAVOC\Havoc-Executor-V2\Havoc-Executor\Havoc-Executor\Havoc-Executor\Havoc-Executor\Havoc.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:716
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:1500

C:\Users\Admin\Desktop\HAVOC\Havoc-Executor-V2\Havoc-Executor\Havoc-Executor\Havoc-Executor\Havoc-Executor\Havoc.exe
"C:\Users\Admin\Desktop\HAVOC\Havoc-Executor-V2\Havoc-Executor\Havoc-Executor\Havoc-Executor\Havoc-Executor\Havoc.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:660
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4620

C:\Users\Admin\Desktop\HAVOC\Havoc-Executor-V2\Havoc-Executor\Havoc-Executor\Havoc-Executor\Havoc-Executor\Havoc.exe
"C:\Users\Admin\Desktop\HAVOC\Havoc-Executor-V2\Havoc-Executor\Havoc-Executor\Havoc-Executor\Havoc-Executor\Havoc.exe"
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3524
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:2924

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /0
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4584

C:\Users\Admin\Desktop\HAVOC\Havoc-Executor-V2\Havoc-Executor\Havoc-Executor\Havoc-Executor\Havoc-Executor\Havoc.exe
"C:\Users\Admin\Desktop\HAVOC\Havoc-Executor-V2\Havoc-Executor\Havoc-Executor\Havoc-Executor\Havoc-Executor\Havoc.exe"
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:2264

C:\Users\Admin\Desktop\HAVOC\Havoc-Executor-V2\Havoc-Executor\Havoc-Executor\Havoc-Executor\Havoc-Executor\Havoc.exe
"C:\Users\Admin\Desktop\HAVOC\Havoc-Executor-V2\Havoc-Executor\Havoc-Executor\Havoc-Executor\Havoc-Executor\Havoc.exe"
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3744
- C:\Windows\System32\Wbem\wmic.exe
  "wmic.exe" csproduct get uuid
  2⤵
  PID:1740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
1KB

MD5
8094b248fe3231e48995c2be32aeb08c

SHA1
2fe06e000ebec919bf982d033c5d1219c1f916b6

SHA256
136c30d964f4abbb5279bdc86d0e00578333782f15f05f0d2d050730dcb7a9bc

SHA512
bf27a3822008796370e2c506c910a40992b9240606ea1bc19f683b2fee86b81897660ac0cf8e746ca093dae9e408949e2e9002ded75678a69f020d3b0452801f

Download Submit
C:\Users\Admin\Desktop\HAVOC\Havoc-Executor-V2\Havoc-Executor\Havoc-Executor\Havoc-Executor\Havoc-Executor\Havoc.exe

Filesize
392KB

MD5
36e9a2e99f37e82fe3e2a364d2fba865

SHA1
b09efd3439561f7de7b04d62d6c580c5be3e9b78

SHA256
83f5f98bc4c0ba87b31259771f35c5822bca2185d90aae6fc174ba816625f1e0

SHA512
da94b2c19995991530b8395ec8fa7d12572bcbaaf94ee290c4d74da36ef91503d057368e0c3de8066a68fdce3ba2bef95b1c821754ab55e0226a6b1de73541dd

Download Submit
C:\Users\Admin\Desktop\HAVOC\Havoc-Executor-V2\Havoc-Executor\Havoc-Executor\Havoc-Executor\Havoc-Executor\Havoc.exe

Filesize
281KB

MD5
37eca4f604dae4098b273d3457424e21

SHA1
d2fc8872068cf4372a5ca22809ba6f335c05af79

SHA256
7c5c64fe7d08cb3e9d8e33221c7f8548735fb01ab7c4f6cbe8df0477d4086f4f

SHA512
5cdd370642d51e71b94ac6a8e039a40e7d29ead39e63ed0eeb28203360b22b1e28e6fd63bf3b48f13d197b222646bf664550cc441f9e811fd37f0f7d1560d542

Download Submit
memory/660-34-0x000001F17F5C0000-0x000001F17F5D0000-memory.dmp

Filesize
64KB

Download
memory/660-35-0x00007FFF6FE90000-0x00007FFF70951000-memory.dmp

Filesize
10.8MB

Download
memory/660-33-0x00007FFF6FE90000-0x00007FFF70951000-memory.dmp

Filesize
10.8MB

Download
memory/716-30-0x00007FFF6FE90000-0x00007FFF70951000-memory.dmp

Filesize
10.8MB

Download
memory/716-28-0x000001CBA3240000-0x000001CBA3250000-memory.dmp

Filesize
64KB

Download
memory/716-27-0x00007FFF6FE90000-0x00007FFF70951000-memory.dmp

Filesize
10.8MB

Download
memory/716-26-0x000001CBA2E20000-0x000001CBA2E88000-memory.dmp

Filesize
416KB

Download
memory/2700-54-0x00007FFF6FCC0000-0x00007FFF70781000-memory.dmp

Filesize
10.8MB

Download
memory/2700-56-0x00007FFF6FCC0000-0x00007FFF70781000-memory.dmp

Filesize
10.8MB

Download
memory/2700-55-0x00000291EFCB0000-0x00000291EFCC0000-memory.dmp

Filesize
64KB

Download
memory/3524-38-0x00000211C2F10000-0x00000211C2F20000-memory.dmp

Filesize
64KB

Download
memory/3524-37-0x00007FFF6FE90000-0x00007FFF70951000-memory.dmp

Filesize
10.8MB

Download
memory/3524-39-0x00007FFF6FE90000-0x00007FFF70951000-memory.dmp

Filesize
10.8MB

Download
memory/3744-59-0x00007FFF6FCC0000-0x00007FFF70781000-memory.dmp

Filesize
10.8MB

Download
memory/3744-58-0x00007FFF6FCC0000-0x00007FFF70781000-memory.dmp

Filesize
10.8MB

Download
memory/4584-41-0x00000270FD430000-0x00000270FD431000-memory.dmp

Filesize
4KB

Download
memory/4584-49-0x00000270FD430000-0x00000270FD431000-memory.dmp

Filesize
4KB

Download
memory/4584-48-0x00000270FD430000-0x00000270FD431000-memory.dmp

Filesize
4KB

Download
memory/4584-47-0x00000270FD430000-0x00000270FD431000-memory.dmp

Filesize
4KB

Download
memory/4584-46-0x00000270FD430000-0x00000270FD431000-memory.dmp

Filesize
4KB

Download
memory/4584-50-0x00000270FD430000-0x00000270FD431000-memory.dmp

Filesize
4KB

Download
memory/4584-51-0x00000270FD430000-0x00000270FD431000-memory.dmp

Filesize
4KB

Download
memory/4584-52-0x00000270FD430000-0x00000270FD431000-memory.dmp

Filesize
4KB

Download
memory/4584-40-0x00000270FD430000-0x00000270FD431000-memory.dmp

Filesize
4KB

Download
memory/4584-42-0x00000270FD430000-0x00000270FD431000-memory.dmp

Filesize
4KB

Download