General
- Target kruto.zip
- Size 583KB
- Sample260918-nzm5bsvaph
- SHA256 5502a22d798bd875f15788911f6a2d3b1223e199daaef4572fc46354e270d7d5
- MD5 2bf953be0fba041d8cb00bf6846075a6
- SHA1 0654eb1dcf33df6b172571a71eb0115199c36883
- SHA512 247bfff158c4c3926eb10a7c6639e7183892e1ca8715e6ead4246670f525ccff052cccbe668c07641075c14308e171924d3cd235b085be1ae2006aab01d31d4d
- SSDEEP 12288:oKl581tDPf4IOhBxpuXPyUqSpRCPTolt+R:5lsbf8uXPyBScMXo
- TLSH T1F9D423FC9A3B4051829F175789B86CBC396E73592F5DF08AC984D7C3E6AE5B2C5A3001
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
picgnp.scr
Resource
win10ltsc2021-20260911-en
20 signatures
900 seconds
Malware Config
Extracted
Family
-
sheetrat
Version
-
1.0
Campaign
-
Sheet_chmcfvtmqoql
C2
-
holaw-41002.portmap.host:41002
Targets
-
- Target picgnp.scr
- Size 849KB
- SHA256 ab4c6cea16907b2b1aeb906952eec59324e119609383c64389e6bb09e681df20
- MD5 bb9f5d2cf1815379b2d0215ec93bfddb
- SHA1 bc4cddd7008a603756da6446dcdddec0dd69e095
- SHA512 dda9e51f3a89e20cfc5f2ccbd1efc2dceb93b3e205cbaca26d72522d8e1740e1da0eb7e74a81851044bc649b7dc9c040b744b58ef8b48427b40335cddc203ed1
- SSDEEP 12288:teOXaRsdIeEHuRcgaNgf5aKulaMrH4SQHDv21Mq+FHO4dljaSp/MoMwcad:tekGsd8Hu6Ngf5aHlaMz4S48gD/xca
- TLSH T1F805E01EE7A445F8E067D1B8CE528942EB727C4D07719BCF23A45DA61F272A09E3D312
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detects Sheetrat obfuscated V1.8 and higher
Sheetrat aka NonEuclid RAT is a trojan written in C#.
-
Detects Sheetrat obfuscated version
-
Modifies WinLogon for persistence
-
Event Triggered Execution: AppInit DLLs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Loads dropped DLL
-
Adds Run key to start application
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1