87f596c598f0121d44da56413452beb2e4e30e2811b042ea51bc725e76f6f85c

Analysis

max time kernel
141s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
30-04-2024 20:12

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General

Target

Seven.exe
Size

139KB
MD5

350273e0d2e8a9ba5e37b791016112a0
SHA1

5bfb616dd46f67d1dcbbff55ca5917ffc1ec8b71
SHA256

27297bf8139bea755e9297e7e1489d827d1ee09a8e1d94a3ef96a2edb2de61ba
SHA512

b1e768524b4e840bd5f4163205122dd1725583245d8bfd5cbd89eb21a5fb9d33aff1b7b0ca42132b7dae469e025068ae663b3b02ad59927a558dc340141ec91b
SSDEEP

3072:miS4omp03WQthI/9S3BZi08iRQ1G78IVn27bSfcJd8ltw:miS4ompB9S3BZi0a1G78IVhcTct

Score

10^/10

evasion trojan

Malware Config

Signatures

Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	Seven.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	Seven.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	Seven.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	Seven.exe

UAC bypass 3 TTPs 2 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLua = "1"	Seven.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "1"	Seven.exe

Blocks application from running via registry modification 1 IoCs

Adds application to list of disallowed applications.

evasion

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	Seven.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	Seven.exe

Disables Task Manager via registry modification
evasion

Disables cmd.exe use via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableCMD = "1"	Seven.exe

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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	Seven.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	Seven.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLua	Seven.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLua = "1"	Seven.exe

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

Web Service

T1102

flow	ioc
7	raw.githubusercontent.com
8	raw.githubusercontent.com

Drops file in System32 directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\Desktop	cmd.exe
File created	C:\Windows\System32\Desktop	cmd.exe
File opened for modification	C:\Windows\System32\Desktop	cmd.exe
File opened for modification	C:\Windows\System32\Desktop	attrib.exe
File created	C:\Windows\System32\Desktop	cmd.exe
File created	C:\Windows\System32\Desktop	cmd.exe
File opened for modification	C:\Windows\System32\Desktop	attrib.exe
File opened for modification	C:\Windows\System32\Desktop	attrib.exe
File opened for modification	C:\Windows\System32\Desktop	cmd.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
1356	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
436	powershell.exe
436	powershell.exe
436	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	436	powershell.exe
Token: 33	1388	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1388	AUDIODG.EXE

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 4188 wrote to memory of 436	4188	Seven.exe	92
PID 4188 wrote to memory of 436	4188	Seven.exe	92
PID 4188 wrote to memory of 4812	4188	Seven.exe	97
PID 4188 wrote to memory of 4812	4188	Seven.exe	97
PID 4188 wrote to memory of 2448	4188	Seven.exe	98
PID 4188 wrote to memory of 2448	4188	Seven.exe	98
PID 4188 wrote to memory of 4088	4188	Seven.exe	99
PID 4188 wrote to memory of 4088	4188	Seven.exe	99
PID 4188 wrote to memory of 3872	4188	Seven.exe	100
PID 4188 wrote to memory of 3872	4188	Seven.exe	100
PID 4188 wrote to memory of 4520	4188	Seven.exe	101
PID 4188 wrote to memory of 4520	4188	Seven.exe	101
PID 4188 wrote to memory of 4892	4188	Seven.exe	102
PID 4188 wrote to memory of 4892	4188	Seven.exe	102
PID 4188 wrote to memory of 2596	4188	Seven.exe	103
PID 4188 wrote to memory of 2596	4188	Seven.exe	103
PID 4188 wrote to memory of 4312	4188	Seven.exe	104
PID 4188 wrote to memory of 4312	4188	Seven.exe	104
PID 4188 wrote to memory of 4168	4188	Seven.exe	105
PID 4188 wrote to memory of 4168	4188	Seven.exe	105
PID 4188 wrote to memory of 4576	4188	Seven.exe	106
PID 4188 wrote to memory of 4576	4188	Seven.exe	106
PID 4188 wrote to memory of 4076	4188	Seven.exe	107
PID 4188 wrote to memory of 4076	4188	Seven.exe	107
PID 4188 wrote to memory of 1012	4188	Seven.exe	108
PID 4188 wrote to memory of 1012	4188	Seven.exe	108
PID 4076 wrote to memory of 4356	4076	cmd.exe	109
PID 4076 wrote to memory of 4356	4076	cmd.exe	109
PID 4088 wrote to memory of 4848	4088	cmd.exe	110
PID 4088 wrote to memory of 4848	4088	cmd.exe	110
PID 1012 wrote to memory of 1620	1012	cmd.exe	111
PID 1012 wrote to memory of 1620	1012	cmd.exe	111
PID 4168 wrote to memory of 3924	4168	cmd.exe	112
PID 4168 wrote to memory of 3924	4168	cmd.exe	112
PID 4576 wrote to memory of 3328	4576	cmd.exe	113
PID 4576 wrote to memory of 3328	4576	cmd.exe	113
PID 3872 wrote to memory of 836	3872	cmd.exe	114
PID 3872 wrote to memory of 836	3872	cmd.exe	114

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLua = "1"	Seven.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	Seven.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "1"	Seven.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

Views/modifies file attributes 1 TTPs 6 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3328	attrib.exe
3924	attrib.exe
4356	attrib.exe
4848	attrib.exe
1620	attrib.exe
836	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Seven.exe
"C:\Users\Admin\AppData\Local\Temp\Seven.exe"
1⤵
- Modifies Windows Defender Real-time Protection settings
- UAC bypass
- Blocks application from running via registry modification
- Disables RegEdit via registry modification
- Disables cmd.exe use via registry modification
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4188
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" Get-MpPreference -verbose
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:436
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /C copy C:\Users\Admin\Desktop C:\Windows\System32\Desktop
  2⤵
  - Drops file in System32 directory
  PID:4812
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /C copy C:\Users\Admin\Desktop C:\Users\Public\Documents\Desktop
  2⤵
  PID:2448
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /C attrib +h C:\Windows\System32\Desktop
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4088
- - C:\Windows\system32\attrib.exe
    attrib +h C:\Windows\System32\Desktop
    3⤵
    - Drops file in System32 directory
    - Views/modifies file attributes
    PID:4848
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /C attrib +h C:\Users\Public\Documents\Desktop
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3872
- - C:\Windows\system32\attrib.exe
    attrib +h C:\Users\Public\Documents\Desktop
    3⤵
    - Views/modifies file attributes
    PID:836
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /C copy C:\Users\Admin\Desktop C:\Windows\System32\Desktop
  2⤵
  - Drops file in System32 directory
  PID:4520
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /C copy C:\Users\Admin\Desktop C:\Users\Public\Documents\Desktop
  2⤵
  PID:4892
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /C copy C:\Users\Admin\Desktop C:\Windows\System32\Desktop
  2⤵
  - Drops file in System32 directory
  PID:2596
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /C copy C:\Users\Admin\Desktop C:\Users\Public\Documents\Desktop
  2⤵
  PID:4312
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /C attrib +h C:\Windows\System32\Desktop
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4168
- - C:\Windows\system32\attrib.exe
    attrib +h C:\Windows\System32\Desktop
    3⤵
    - Drops file in System32 directory
    - Views/modifies file attributes
    PID:3924
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /C attrib +h C:\Windows\System32\Desktop
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4576
- - C:\Windows\system32\attrib.exe
    attrib +h C:\Windows\System32\Desktop
    3⤵
    - Drops file in System32 directory
    - Views/modifies file attributes
    PID:3328
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /C attrib +h C:\Users\Public\Documents\Desktop
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4076
- - C:\Windows\system32\attrib.exe
    attrib +h C:\Users\Public\Documents\Desktop
    3⤵
    - Views/modifies file attributes
    PID:4356
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /C attrib +h C:\Users\Public\Documents\Desktop
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1012
- - C:\Windows\system32\attrib.exe
    attrib +h C:\Users\Public\Documents\Desktop
    3⤵
    - Views/modifies file attributes
    PID:1620

C:\Windows\system32\cmd.exe
"C:\Windows\system32\cmd.exe"
1⤵
PID:5084

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1036 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
1⤵
PID:4564

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x498 0x3c0
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1388

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\EncryptedLog.txt
1⤵
- Opens file in notepad (likely ransom note)
PID:1356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_skndtqr4.wcu.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\Desktop\EncryptedLog.txt

Filesize
83B

MD5
873296010efa7f29f398fc90d98d05e2

SHA1
bf9a3463dfb3f2c92c9f3d0dadeaa9d5459a4d40

SHA256
bc7d5f9b6927274e27fd100391b587f8844a707289af94ee2784c2de39e94e1f

SHA512
e6250dd35b2e167c811a0029b25cc6a5ae6b38f95fe15fb661496b227eabc94f633a107427576952b18e6b4e8e8d1cf331d426583311ede56ae95d5c9906ddb1

Download Submit
C:\Users\Public\Documents\Desktop

Filesize
885B

MD5
1f5ca0fcdb2880fc23bb1085bb0b5e15

SHA1
c53c2c933e08346114d37496cf85cab7c8e774a1

SHA256
2353e04eb938a038370437dab4045d3fa38b00731af81d9c378431b270d162c3

SHA512
d17a70b2d10794fb0812ce160c5e3f0293baf34815048cb157634ea775ba08556e9d924690f7777c46613041e47ea562a2133947c6466589be6f22037e9c3b13

Download Submit
C:\Users\Public\Documents\Desktop

Filesize
987B

MD5
fd4ff061196738ffe7e0be6978be01ff

SHA1
4dde4d5d4bdd3d98d4cd4af9da1bb43a9910b113

SHA256
c35932830538aa91c49f8e411a020f3323f738d2df4ab70fc2a56534724e464a

SHA512
186c46c71e44b093d80ef7985861d57e9502a3ab2da8fe5b6f1bbfa1ba125fbd0944c7e856f00151a3e12936d19fea7c579e2a0da2a22e6697ee48680dd47988

Download Submit
C:\Users\Public\Documents\Desktop

Filesize
1KB

MD5
2b524ad78c7c5ee3e101f93c50def23a

SHA1
55c0d2ce8ad0d62104605cb7aa2e48eab0374e00

SHA256
119c932658220636a2725e10a2195cc1d910203f7455cb6c9b64756d71f92be0

SHA512
e089f445c2d5ffecb6bfab0a7a25ad8108b38236dc089facd192779a976bdb7a54f94cafa02ec235436ac54175e99858e496626f406d60860300946b9212320a

Download Submit
C:\Windows\System32\Desktop

Filesize
1KB

MD5
f6eccb4046d41d99b6e2decb9053721d

SHA1
936e8193f8666bbdce39dc472c7cfb9214123ec7

SHA256
25a9cd98de4480dd70d47f927305def0235ebc9a0f2973684c7fc1c541db7e6a

SHA512
a32bd73c005deb90e2200e591f3e027c3a9c7594e950b788ddfc8b66e489f2e22dab2c631fb5c0a421f16b2e1abe52cb5482cadc86a95ad3c3ccb060003e84ef

Download Submit
C:\Windows\System32\Desktop

Filesize
6KB

MD5
198be131af9209b0d1afa109d317fd77

SHA1
75b379aa0a1922bff1dda9b4657b572f2c6b022a

SHA256
6150196ad82ff2436c78a0d9b62a6da17155666dddd94a9e301f35ac1d29b754

SHA512
9591d0e1ef6489f116d8bd904921f91a4ae786ec2accd14338b42008dd0216cb9efd87a638625c6b4eef896e498219927b800f9aaa958e7b3e36d73ca394db1b

Download Submit
memory/436-14-0x000002244FDA0000-0x000002244FDB0000-memory.dmp

Filesize
64KB

Download
memory/436-18-0x00007FFDB7400000-0x00007FFDB7EC1000-memory.dmp

Filesize
10.8MB

Download
memory/436-15-0x000002244FDA0000-0x000002244FDB0000-memory.dmp

Filesize
64KB

Download
memory/436-13-0x000002244FDA0000-0x000002244FDB0000-memory.dmp

Filesize
64KB

Download
memory/436-12-0x00007FFDB7400000-0x00007FFDB7EC1000-memory.dmp

Filesize
10.8MB

Download
memory/436-11-0x000002244FF50000-0x000002244FF72000-memory.dmp

Filesize
136KB

Download