Behavioral task
behavioral1
Sample
5af9c752ae4211a59d6ddc27be136764.exe
Resource
win7-20240221-en
General
-
Target
5af9c752ae4211a59d6ddc27be136764.bin
-
Size
229KB
-
MD5
5af9c752ae4211a59d6ddc27be136764
-
SHA1
7404f795d31d758f28db333ffd124985e0cc9378
-
SHA256
bd0627eedef546c23e0dc70b63dbd6c144ac185a5e3710edce664f34cb87f249
-
SHA512
088cf9cb0afac0c074d1612413844f10974c6a7deba82054ee8455659b4cace67e1320d32f5a3a3c38e80268c5d07ffe4d52b5e6a9b0abd27dbd0450767c0eee
-
SSDEEP
3072:+61se+aFA9qpbi3cVM7hTSdm68UYLXDkpao8bE24SDT9OmxR8e1isvs+E6EiWt:p1se+uecVM7hTSdm683DPo8xr8e1Lx
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1218668662437712013/H_BvHeUIH_D_PNxdoxE13ootR5Pu6pwvXPRY2yjIfHq2XT4cXk6szskVNKz9WfB8I9DJ
Signatures
-
Detect Umbral payload 1 IoCs
resource yara_rule sample family_umbral -
Umbral family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 5af9c752ae4211a59d6ddc27be136764.bin
Files
-
5af9c752ae4211a59d6ddc27be136764.bin.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 227KB - Virtual size: 226KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ