quasar | pegasus-main[.]zip

General

Target
pegasus-main.zip
Size 1.0MB
Sample240706-rdv5lasdka
SHA256 992aa914b0bd9a7fe3008f7885de511bd16af974165754492e847530d08541d3
MD5 b5a059064c16e2d2a3d27a0b9194bba8
SHA1 7221f0012fae1680f29f10975a32f91da8abf059
SHA512 90f15dcb9c6acc02c0c678f99e33cf08aee2a4b0fa3d797faab4cb7e2bd4a2656f156b8732799729e58a323ca1e31aecef2abb91f3f530ba7d6af3c7a11b37b2
SSDEEP 24576:YYb9lGymuk5iTZyBG8ZP+MclwpE14N2lok7Jln1Sydcz:YYb98moXw8pE14Aogl3dw
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

office04 quasar

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

90.219.112.122:4782

Mutex

878b2fb4-192c-4f50-ae38-0881a431b12f

Attributes

encryption_key
DB1FE6851C4D98E11497D9AF06379F8966EC065A
install_name
Client.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Java Updater
subdirectory
SubDir

Signatures

Quasar family
quasar

Quasar payload 1 IoCs

resource	yara_rule
static1/unpack002/pegasus.exe	family_quasar

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack002/pegasus.exe

File Explorer

pegasus-main.zip

.zip 1.0MB
pegasus-main/pegasus.rar

.rar 1.0MB
pegasus.exe

.exe 3.1MB

pegasus-main.zip

SHA256 992aa914b0bd9a7fe3008f7885de511bd16af974165754492e847530d08541d3
MD5 b5a059064c16e2d2a3d27a0b9194bba8
SHA1 7221f0012fae1680f29f10975a32f91da8abf059
SHA512 90f15dcb9c6acc02c0c678f99e33cf08aee2a4b0fa3d797faab4cb7e2bd4a2656f156b8732799729e58a323ca1e31aecef2abb91f3f530ba7d6af3c7a11b37b2
SSDEEP 24576:YYb9lGymuk5iTZyBG8ZP+MclwpE14N2lok7Jln1Sydcz:YYb98moXw8pE14Aogl3dw
MD5 SHA1 SHA512 SSDEEP

pegasus.exe

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 198076159ed4e2443380f81b53f506807e3ef4cca8692084922744548e5383bf
MD5 2e46c4fb200c850394e4e708d4c0d36b
SHA1 dbeae23123b58434eedf7a0462dda53b7ae0fc01
SHA512 a0c8ec64b280a3c2800cb300d464340a4de79dea2907b3c1d66bb2f54d447794e20f8097d2be6299ae04a395891d33589531142cdc7516131d9afe4e7ac0a8c2
SSDEEP 49152:3vgt62XlaSFNWPjljiFa2RoUYIyKAi+h8vJihoGdJoTHHB72eh2NT:3vM62XlaSFNWPjljiFXRoUYIMhb5
MD5 SHA1 SHA512 SSDEEP

windows:4 windows x86 arch:x86

Quasar payload
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

0

Major OS version

4

Entry point

3269630

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

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_32BIT_MACHINE

PDB paths

pegasus-main.zip

pegasus-main/pegasus.rar

pegasus.exe

mscoree

dotnet

Sharing

General

Malware Config

Extracted

Signatures

File Explorer

pegasus-main.zip

pegasus-main/pegasus.rar

pegasus.exe

mscoree

dotnet