umbral | 92fe53ca6c8f1a424db45bb3f7cdfe56[.]bin

General

Target
92fe53ca6c8f1a424db45bb3f7cdfe56.bin
Size 90KB
Sample240824-bvm8bazgnm
SHA256 a83df6ed601d8ad1235d1b76af4019e95a24dab4aa64ee7e1267d661e64d18d4
MD5 9308a86f49ca2eae9ddda090342aad27
SHA1 30802c146864a248927106168c01ad583441c223
SHA512 46334047221599167d28eeb72e22432df1258b90172d5f9a0375a8b14d6639748ea8a51aebcc111cb75c4e3a47e39eda1bd6038b8e501353ecc50086f82bfa85
SSDEEP 1536:/dDzLwk/kFPLmgcpJxzJJDun65G+blF03ZurQqeWfarYP9jl0msKrEtWTsgmPG8v:QLmzd9JDk65G+5wynJP9GmPGWxmP7t9
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

umbral

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1272960886117498900/YDNHOw3Kos6nSkhyh1-x7wdT3ReBATEXF8kthHRm5wmUtVhzhv3W6IJn4x78vB7KKS5f

Signatures

Detect Umbral payload 1 IoCs

resource	yara_rule
static1/unpack001/bf1ddaef01c54156875f83d24de19811476ad618bf126460a764c0cb13bcf3b7.exe	family_umbral

Umbral family
umbral

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/bf1ddaef01c54156875f83d24de19811476ad618bf126460a764c0cb13bcf3b7.exe

File Explorer

92fe53ca6c8f1a424db45bb3f7cdfe56.bin

.zip 90KB
bf1ddaef01c54156875f83d24de19811476ad618bf126460a764c0cb13bcf3b7.exe

.exe 228KB

92fe53ca6c8f1a424db45bb3f7cdfe56.bin

SHA256 a83df6ed601d8ad1235d1b76af4019e95a24dab4aa64ee7e1267d661e64d18d4
MD5 9308a86f49ca2eae9ddda090342aad27
SHA1 30802c146864a248927106168c01ad583441c223
SHA512 46334047221599167d28eeb72e22432df1258b90172d5f9a0375a8b14d6639748ea8a51aebcc111cb75c4e3a47e39eda1bd6038b8e501353ecc50086f82bfa85
SSDEEP 1536:/dDzLwk/kFPLmgcpJxzJJDun65G+blF03ZurQqeWfarYP9jl0msKrEtWTsgmPG8v:QLmzd9JDk65G+5wynJP9GmPGWxmP7t9
MD5 SHA1 SHA512 SSDEEP

Password

infected

bf1ddaef01c54156875f83d24de19811476ad618bf126460a764c0cb13bcf3b7.exe

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 bf1ddaef01c54156875f83d24de19811476ad618bf126460a764c0cb13bcf3b7
MD5 92fe53ca6c8f1a424db45bb3f7cdfe56
SHA1 a6d4e261875b162f18f2cbbcc6411cec7b59be37
SHA512 c4ce50e070a07626fd766212428b15df7d4f4fe680acdc9b0ba084156aea4e4443dd76ddba8ff9d9551a5c00b53d784a716caa95df1a78d80a65dd1bca2c4a16
SSDEEP 6144:OloZM+rIkd8g+EtXHkv/iD4QL6XYe5xy4XKYZd8PRb8e1mLpsi:YoZtL+EP8QL6XYe5xy4XKYZd8hil
MD5 SHA1 SHA512 SSDEEP

windows:4 windows x86 arch:x86

Detect Umbral payload
Unsigned PE

Checks for missing Authenticode signature.

Password

infected

Minor OS version

0

Major OS version

4

Entry point

239070

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

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

PDB paths

92fe53ca6c8f1a424db45bb3f7cdfe56.bin

bf1ddaef01c54156875f83d24de19811476ad618bf126460a764c0cb13bcf3b7.exe

mscoree

dotnet

Sharing

General

Malware Config

Extracted

Signatures

File Explorer

92fe53ca6c8f1a424db45bb3f7cdfe56.bin

bf1ddaef01c54156875f83d24de19811476ad618bf126460a764c0cb13bcf3b7.exe

mscoree

dotnet