5b253c8c07d51d337e0b523949cf95ca4949a2c041db8179e4787e9b04e4528b

General

Target

Seven.exe
Size

139KB
MD5

6503f847c3281ff85b304fc674b62580
SHA1

947536e0741c085f37557b7328b067ef97cb1a61
SHA256

afd7657f941024ef69ca34d1e61e640c5523b19b0fad4dcb1c9f1b01a6fa166f
SHA512

abc3b32a1cd7d0a60dd7354a9fcdff0bc37ec8a20bb2a8258353716d820f62d343c6ba9385ba893be0cca981bbb9ab4e189ccfeee6dd77cc0dc723e975532174
SSDEEP

3072:miS4omp03WQthI/9S3BZi08iRQ1G78IVn27bSfcJd8lto: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
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
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

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

Disables Task Manager via registry modification
evasion

Checks computer location settings 2 TTPs 2 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-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation	SevenCopy.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation	SevenCopy.exe

Deletes itself 1 IoCs

pid	Process
3036	SevenCopy.exe

Executes dropped EXE 2 IoCs

pid	Process
3036	SevenCopy.exe
344	SevenCopy.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

Drops desktop.ini file(s) 7 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Pictures\Saved Pictures\desktop.ini	SevenCopy.exe
File opened for modification	C:\Users\Admin\Documents\desktop.ini	SevenCopy.exe
File opened for modification	C:\Users\Admin\Downloads\desktop.ini	SevenCopy.exe
File opened for modification	C:\Users\Admin\Music\desktop.ini	SevenCopy.exe
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	SevenCopy.exe
File opened for modification	C:\Users\Admin\Pictures\desktop.ini	SevenCopy.exe
File opened for modification	C:\Users\Admin\Pictures\Camera Roll\desktop.ini	SevenCopy.exe

Drops file in System32 directory 8 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\SevenCopy.exe	cmd.exe
File created	C:\Windows\System32\Seven.dll	cmd.exe
File opened for modification	C:\Windows\System32\Seven.dll	cmd.exe
File created	C:\Windows\System32\Seven.runtimeconfig.json	cmd.exe
File opened for modification	C:\Windows\System32\Seven.runtimeconfig.json	cmd.exe
File created	C:\Windows\system32\KeyAndIV.txt	SevenCopy.exe
File created	C:\Windows\system32\EncryptedLog.txt	SevenCopy.exe
File created	C:\Windows\System32\SevenCopy.exe	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3260	powershell.exe
3260	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3260	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1404 wrote to memory of 3260	1404	Seven.exe	86
PID 1404 wrote to memory of 3260	1404	Seven.exe	86
PID 1404 wrote to memory of 1316	1404	Seven.exe	88
PID 1404 wrote to memory of 1316	1404	Seven.exe	88
PID 1404 wrote to memory of 4900	1404	Seven.exe	89
PID 1404 wrote to memory of 4900	1404	Seven.exe	89
PID 1404 wrote to memory of 1496	1404	Seven.exe	90
PID 1404 wrote to memory of 1496	1404	Seven.exe	90
PID 1404 wrote to memory of 2728	1404	Seven.exe	91
PID 1404 wrote to memory of 2728	1404	Seven.exe	91
PID 1404 wrote to memory of 3036	1404	Seven.exe	94
PID 1404 wrote to memory of 3036	1404	Seven.exe	94

System policy modification 1 TTPs 2 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\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

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
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1404
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" Get-MpPreference -verbose
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3260
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /C copy C:\Users\Admin\AppData\Local\Temp\Seven.exe C:\Users\Admin\AppData\Local\Temp\SevenCopy.exe
  2⤵
  PID:1316
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /C copy C:\Users\Admin\AppData\Local\Temp\Seven.exe C:\Windows\System32\SevenCopy.exe
  2⤵
  - Drops file in System32 directory
  PID:4900
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /C copy C:\Users\Admin\AppData\Local\Temp\Seven.dll C:\Windows\System32\Seven.dll
  2⤵
  - Drops file in System32 directory
  PID:1496
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /C copy C:\Users\Admin\AppData\Local\Temp\Seven.runtimeconfig.json C:\Windows\System32\Seven.runtimeconfig.json
  2⤵
  - Drops file in System32 directory
  PID:2728
- C:\Users\Admin\AppData\Local\Temp\SevenCopy.exe
  "C:\Users\Admin\AppData\Local\Temp\SevenCopy.exe"
  2⤵
  - Checks computer location settings
  - Deletes itself
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  PID:3036

C:\Windows\System32\SevenCopy.exe
C:\Windows\System32\SevenCopy.exe
1⤵
- Checks computer location settings
- Executes dropped EXE
- Drops file in System32 directory
PID:344

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

3

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\SevenCopy.exe

Filesize
139KB

MD5
6503f847c3281ff85b304fc674b62580

SHA1
947536e0741c085f37557b7328b067ef97cb1a61

SHA256
afd7657f941024ef69ca34d1e61e640c5523b19b0fad4dcb1c9f1b01a6fa166f

SHA512
abc3b32a1cd7d0a60dd7354a9fcdff0bc37ec8a20bb2a8258353716d820f62d343c6ba9385ba893be0cca981bbb9ab4e189ccfeee6dd77cc0dc723e975532174

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_drmq1lem.qlx.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows\System32\Seven.dll

Filesize
1.0MB

MD5
c8f3bcc7f47b2daa469e3f46ca0d5d3b

SHA1
7213bd8ede8248aced7150f649ee6d3c1f3e2da0

SHA256
3f4b670e88ee9450036a77fc2791a1824df5f54f94d772399455d30087a54e90

SHA512
fc10b098e01f35957b658873fbb5116dab879e2c2b0a602eeaf7e729661945b22389788f74a05a86fd43e1f3850dd0b3c45451f13415f078868e1f3b8d6a01a2

Download Submit
C:\Windows\System32\Seven.runtimeconfig.json

Filesize
340B

MD5
253333997e82f7d44ea8072dfae6db39

SHA1
03b9744e89327431a619505a7c72fd497783d884

SHA256
28329cf08f6505e73806b17558b187c02f0c1c516fe47ebfb7a013d082aaa306

SHA512
56d99039e0fb6305588e9f87361e7e0d5051507bf321ba36619c4d29741f35c27c62f025a52523c9e1c7287aabf1533444330a8cdf840fa5af0fa2241fcb4fc2

Download Submit
memory/3260-5-0x000001CB2B8A0000-0x000001CB2B8C2000-memory.dmp

Filesize
136KB

Download
memory/3260-12-0x000001CB111C0000-0x000001CB111D0000-memory.dmp

Filesize
64KB

Download
memory/3260-11-0x000001CB111C0000-0x000001CB111D0000-memory.dmp

Filesize
64KB

Download
memory/3260-10-0x00007FFB9C130000-0x00007FFB9CBF1000-memory.dmp

Filesize
10.8MB

Download
memory/3260-15-0x00007FFB9C130000-0x00007FFB9CBF1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads