1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2

General

Target

1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe
Size

797KB
MD5

a797ebe7413dda691136baa61cec61f9
SHA1

9092df3087817d296857c188fe0e417df2c33789
SHA256

1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2
SHA512

c9d948df6dfcad662ec0fee16b32d98d0d240985713d487256b89f3910f294387e21e8aacb40181bd9548d88ab35b1048a7d2a1cd70952c21812885bbcf6928b
SSDEEP

12288:YhkDgouVA2nxKkorvdRgQriDwOIxmxiZnYQE7PJcE4aJ1d7JAMRFwCTc5zNEc5V3:ARmJkcoQricOIQxiZY1iabjsCTizNEqd

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 4 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\M-38593585020495849\winmgr.exe = "C:\\Users\\Admin\\M-38593585020495849\\winmgr.exe:*:Enabled:Microsoft Windows Manager"	1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.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

Processes:

1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows\CurrentVersion\Run\	1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Manager = "C:\\Users\\Admin\\M-38593585020495849\\winmgr.exe"	1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe

description	pid	Process	procid_target
PID 1760 set thread context of 3420	1760	1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe	81

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

Processes:

1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe

description	pid	Process	procid_target
PID 1760 wrote to memory of 3420	1760	1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe	81
PID 1760 wrote to memory of 3420	1760	1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe	81
PID 1760 wrote to memory of 3420	1760	1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe	81
PID 1760 wrote to memory of 3420	1760	1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe	81
PID 1760 wrote to memory of 3420	1760	1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe	81

C:\Users\Admin\AppData\Local\Temp\1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe
"C:\Users\Admin\AppData\Local\Temp\1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Users\Admin\AppData\Local\Temp\1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe
  "C:\Users\Admin\AppData\Local\Temp\1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe"
  2⤵
  - Modifies firewall policy service
  - Checks computer location settings
  - Adds Run key to start application
  - Modifies registry class
  PID:3420

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3420-132-0x0000000000000000-mapping.dmp

Download
memory/3420-133-0x00000000000D0000-0x00000000000DD000-memory.dmp

Filesize
52KB

Download
memory/3420-135-0x00000000000D0000-0x00000000000DD000-memory.dmp

Filesize
52KB

Download
memory/3420-136-0x00000000000D0000-0x00000000000DD000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads