Behavioral task
behavioral1
Sample
OliwciaPrivInstaller.exe
Resource
ubuntu1804-amd64-20240226-en
General
-
Target
436fa243bbfed63a99b8e9f866cd80e5.zip
-
Size
175KB
-
MD5
07ffa5f5963839f9806f64a80cce8b6c
-
SHA1
d9becce1e1ea2837e9b04232eb7c8f940a82b31d
-
SHA256
a3416160ea8193b60054defb2665d3d6e96edebbc8adf869b4f36f7a07646629
-
SHA512
4d787c205233e6319c85ccdc3659791a366dcf3dbee53c1548e35c82baa432313a6437653a3b986a1c120c775f090aba6e1c6bd4b3c5c0a0ab78f8d0621c42c9
-
SSDEEP
3072:xnI1zaNJA8/H35M9ROWHI0gct4HBs1h7jPeJCg9cXQXjKhhZmA1:9Ik/Xi9ocS/T9coKhhZmA1
Malware Config
Extracted
quasar
1.3.0.0
Office04
jebacdisaskurwysyna-33409.portmap.io:33409
QSR_MUTEX_Ee4l0fQjTiryzphwaO
-
encryption_key
UQAQ2KDh5xIXFPqVH1cJ
-
install_name
cmd.exe
-
log_directory
NET. Framework
-
reconnect_delay
3000
-
startup_key
Windows
-
subdirectory
Microsoft
Signatures
-
Quasar family
-
Quasar payload 1 IoCs
resource yara_rule static1/unpack001/OliwciaPrivInstaller.bin family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/OliwciaPrivInstaller.bin
Files
-
436fa243bbfed63a99b8e9f866cd80e5.zip.zip
Password: infected
-
OliwciaPrivInstaller.bin.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
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
Imports
mscoree
_CorExeMain
Sections
.text Size: 344KB - Virtual size: 344KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 2KB
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