Behavioral task
behavioral1
Sample
ad1c1726998edecce7f7430e2c3b07a70381bacc0829163ef77291f7aed97b28.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
ad1c1726998edecce7f7430e2c3b07a70381bacc0829163ef77291f7aed97b28.exe
Resource
win10v2004-20231215-en
General
-
Target
ad1c1726998edecce7f7430e2c3b07a70381bacc0829163ef77291f7aed97b28.exe.compressed
-
Size
442KB
-
MD5
7678d93cc233353c7cd40a4813f495de
-
SHA1
5656ef7600dd5ac80d7b5852a41a7184d0a090c9
-
SHA256
9f31d7b4da89bedf3cc92421fa69368763361015bb0ac3665feb38432c8fbf49
-
SHA512
f60e4f89bd1b8ef35b36a61c60f5a3cb6cc3d3311853be7e3a903c9c2a4f8b82dca3f2a284e4bdcac081bd53df2a1a90bf63aa652f993a030fe91d9d99a7652c
-
SSDEEP
3072:JFHCuFdjX3nEnZjLo3ChirBtRix4wBblxgNuhPXHrJTkzlLH0vx7fGNY4LOOFHyD:TiMjX3En9o3Chide4wlP5HrJTNelKO
Malware Config
Signatures
-
Detects command variations typically used by ransomware 1 IoCs
resource yara_rule static1/unpack001/out.upx INDICATOR_SUSPICIOUS_GENRansomware -
Detects executables containing anti-forensic artifacts of deleting USN change journal. Observed in ransomware 1 IoCs
resource yara_rule static1/unpack001/out.upx INDICATOR_SUSPICIOUS_USNDeleteJournal -
Detects executables containing commands for clearing Windows Event Logs 1 IoCs
resource yara_rule static1/unpack001/out.upx INDICATOR_SUSPICIOUS_ClearWinLogs -
Detects executables containing many references to VEEAM. Observed in ransomware 1 IoCs
resource yara_rule static1/unpack001/out.upx INDICATOR_SUSPICOUS_EXE_References_VEEAM -
Detects executables embedding registry key / value combination indicative of disabling Windows Defender features 1 IoCs
resource yara_rule static1/unpack001/out.upx INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource ad1c1726998edecce7f7430e2c3b07a70381bacc0829163ef77291f7aed97b28.exe.compressed unpack001/out.upx
Files
-
ad1c1726998edecce7f7430e2c3b07a70381bacc0829163ef77291f7aed97b28.exe.compressed.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 592KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 188KB - Virtual size: 188KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 253KB - Virtual size: 256KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
-
out.upx.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 232KB - Virtual size: 231KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 117KB - Virtual size: 116KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 85KB - Virtual size: 132KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.gfids Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 253KB - Virtual size: 252KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 15KB - Virtual size: 15KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ