44caliber | SolaraBootstrapper[.]exe | Triage

Sharing

General

Target

SolaraBootstrapper.exe
Size

303KB
MD5

7553c649cdd15e01bc47cfa2dc88fdae
SHA1

1ad33f546146e52d05e667f0907262c1e55cb958
SHA256

12a8d265fe2c0fb139d2dc9994ebdfaf7aea93a2ecc18dc4e132f1a04d36eda6
SHA512

b40c066725b3f9ece6f75dd11598ad73f702b608253a4fa990774d2a61433b7a8218e19c3f5b348b62d18f533069f0cb228bcd5904497e98cd8f77d94a9d1849
SSDEEP

6144:k1E0T6MDdbICydeB1MnyCvG/9GzC6jmA1D0Kzp:k1z6yCvGFG+Y1Dtp

Score

10^/10

44caliber

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1256365156401680444/Q4ybvTW8-P8cHM7v5CKOThKUJqTZ4f03jPUNC4To8TouPRnWl442RcsKLBOptm6uvg63

Signatures

44caliber family
44caliber

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
SolaraBootstrapper.exe

Files

SolaraBootstrapper.exe
.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

PDB Paths

C:\Users\Neko\Desktop\44CALIBER-main\44CALIBER\obj\Debug\Insidious.pdb

Imports

mscoree

_CorExeMain

Sections

.text
Size: 301KB - Virtual size: 300KB

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