quasar | Account Gen[.]zip | Triage

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General

Target

Account Gen.zip
Size

1.2MB
MD5

384b49426968c43151f6721e55f72cb3
SHA1

6b40377a02117f66138cfdb6252e63507c639184
SHA256

2662a59faf074abd357ae710b362fc15ac13afa8b028f82852c7ddbe634366cc
SHA512

1fc03eae22f67ee2c3628e492d81a35c5a53b29c250b1ec14520ceaae1651e2df85302abb114148bfac286c9852e45bed7e66184fbe3e479b88f2cb8b1286456
SSDEEP

24576:94+5wmhcnpEpAidGFuy9idk3EIg/oSw+mJFgtZMqg+HeRbYZy3PUQynL:94N8cnpEqidGFX986/gc+oevfg+HeR0p

Score

10^/10

office04 quasar

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

testrun.ddns.net:4782

Mutex

fd9b8a19-128c-46b0-894c-d756c440e4ce

Attributes

encryption_key
1B16CA1138657AE4B0F5533A4344EDE1274EF9A6
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
static1/unpack001/Account gen/AccountGenV2.exe	family_quasar

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/Account gen/AccountGenV2.exe

Files

Account Gen.zip
.zip
Account gen/AccountGenV2.exe
.exe windows:4 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: 3.1MB - Virtual size: 3.1MB

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
Account gen/How to use.txt