quasar | b5b0a0a082b9f9ed7e1216805dce73dc[.]exe | Triage

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General

Target

b5b0a0a082b9f9ed7e1216805dce73dc.exe
Size

502KB
MD5

b5b0a0a082b9f9ed7e1216805dce73dc
SHA1

ebc4c036a30a003a399c6c1a6fd96fbd60cbbf35
SHA256

486a7709a844ef4a1770299b51b3bdd519c8881ea3190705ab7890780998e84a
SHA512

4c025030525fcbb0de7b7890ccf8c9b9c9e09bb25e1adbdc9f8e5e49097531c7bf4ebde85ec36409e743c3b079133d9527aae70c6bb5dc733aa2a671889b4158
SSDEEP

6144:ITEgdc0YYXAGbgiIN2RSBMUZz6wudTEDQK6DkQfocEgOb8F9vWlM3lBi0U3vLcTQ:ITEgdfYqbgjqDkwp9WCY0UfLcdm

Score

10^/10

office04 quasar

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

Office04

C2

xsaz3412.duckdns.org:4782

Mutex

339a0ca9-655c-474f-ae0b-8b93c0a5acb0

Attributes

encryption_key
5BA53C22C08AF30F643D1CE3AEA974DFD7C76979
install_name
Client.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Quasar Client Startup
subdirectory
SubDir

Signatures

Quasar family
quasar

Quasar payload 1 IoCs

resource	yara_rule
sample	family_quasar

Files

b5b0a0a082b9f9ed7e1216805dce73dc.exe
.exe windows 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: 498KB - Virtual size: 497KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 3KB - 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