quasar | NEAS[.]308a412c956af7b492faa3d04d73de50[.]exe

Sharing

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General

Target

NEAS.308a412c956af7b492faa3d04d73de50.exe
Size

3.1MB
MD5

308a412c956af7b492faa3d04d73de50
SHA1

2b5aa40bb2706851915b9fa80b5b6c27923f1f64
SHA256

880e51da9ed94ba0cd1a24691edab9fd6d5d349bf90c950c4bb84b8d61fae53f
SHA512

98894029171870a53d38835160213019f2319043abf8804204ce51cccde468fe89fea072343a20fce30535caae82db16975e314afa093c2e1d414e259ebe233b
SSDEEP

98304:NIg8I9WtxU/Pom7ZlHMg8ISxoJXEUz0PqN:y6WtRoJX70PqN

Score

10^/10

office04 quasar

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

zeroski.ink:4782

Mutex

745f5e57-61d0-4335-a97d-37d447eb583d

Attributes

encryption_key
F48794CF898BB4C5B6223D4F472D7C5E4AD2EF9D
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

NEAS.308a412c956af7b492faa3d04d73de50.exe
.exe windows:4 windows x86

f34d5f2d4577ed6d9ceec516c1f5a744

Code Sign

77:bd:0e:05:b7:59:0b:b6:1d:47:61:53:1e:3f:75:ed
Certificate

Issuer

CN=GlobalSign Code Signing Root R45,O=GlobalSign nv-sa,C=BE

Not Before

28/07/2020, 00:00

Not After

28/07/2030, 00:00

Subject

CN=GlobalSign GCC R45 EV CodeSigning CA 2020,O=GlobalSign nv-sa,C=BE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

44:8a:bf:29:b0:45:82:3e:5d:6d:cc:0b
Certificate

Issuer

CN=GlobalSign GCC R45 EV CodeSigning CA 2020,O=GlobalSign nv-sa,C=BE

Not Before

05/01/2022, 09:58

Not After

06/01/2024, 09:58

Subject

SERIALNUMBER=911101026662879416,CN=Beijing Qihu Technology Co.\, Ltd.,O=Beijing Qihu Technology Co.\, Ltd.,STREET=朝阳区酒仙桥路6号院2号楼1至19层104号内8层801,L=Beijing,ST=Beijing,C=CN,1.3.6.1.4.1.311.60.2.1.2=#13074245494a494e47,1.3.6.1.4.1.311.60.2.1.3=#1302434e,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

01:c2:9c:7a:f4:7a:a6:02:58:0e:af:32:b1:23:b1:1d
Certificate

Issuer

CN=GlobalSign Timestamping CA - SHA384 - G4,O=GlobalSign nv-sa,C=BE

Not Before

06/04/2022, 07:44

Not After

08/05/2033, 07:44

Subject

CN=Globalsign TSA for Advanced - G4,O=GlobalSign nv-sa,C=BE

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

01:ec:1c:92:40:de:fd:2e:40:5d:7c:47:74
Certificate

Issuer

CN=GlobalSign,OU=GlobalSign Root CA - R6,O=GlobalSign

Not Before

20/06/2018, 00:00

Not After

10/12/2034, 00:00

Subject

CN=GlobalSign Timestamping CA - SHA384 - G4,O=GlobalSign nv-sa,C=BE

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

01:f2:40:42:40:ce:fd:22:db:e9:6c:71:fc
Certificate

Issuer

CN=GlobalSign,OU=GlobalSign Root CA - R3,O=GlobalSign

Not Before

20/02/2019, 00:00

Not After

18/03/2029, 10:00

Subject

CN=GlobalSign,OU=GlobalSign Root CA - R6,O=GlobalSign

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

04:00:00:00:00:01:21:58:53:08:a2
Certificate

Issuer

CN=GlobalSign,OU=GlobalSign Root CA - R3,O=GlobalSign

Not Before

18/03/2009, 10:00

Not After

18/03/2029, 10:00

Subject

CN=GlobalSign,OU=GlobalSign Root CA - R3,O=GlobalSign

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

c0:55:7b:9f:05:f4:6d:84:a9:9c:32:1e:0e:c6:bb:6b:af:45:74:19:78:15:fb:29:51:3c:5f:31:29:5b:1e:b1
Signer

Actual PE Digest

c0:55:7b:9f:05:f4:6d:84:a9:9c:32:1e:0e:c6:bb:6b:af:45:74:19:78:15:fb:29:51:3c:5f:31:29:5b:1e:b1

Digest Algorithm

sha256

PE Digest Matches

false

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

Sharing

General

Malware Config

Extracted

Signatures

Files

f34d5f2d4577ed6d9ceec516c1f5a744

Code Sign

77:bd:0e:05:b7:59:0b:b6:1d:47:61:53:1e:3f:75:edCertificate

Extended Key Usages

Key Usages

44:8a:bf:29:b0:45:82:3e:5d:6d:cc:0bCertificate

Extended Key Usages

Key Usages

01:c2:9c:7a:f4:7a:a6:02:58:0e:af:32:b1:23:b1:1dCertificate

Extended Key Usages

Key Usages

01:ec:1c:92:40:de:fd:2e:40:5d:7c:47:74Certificate

Key Usages

01:f2:40:42:40:ce:fd:22:db:e9:6c:71:fcCertificate

Key Usages

04:00:00:00:00:01:21:58:53:08:a2Certificate

Key Usages

c0:55:7b:9f:05:f4:6d:84:a9:9c:32:1e:0e:c6:bb:6b:af:45:74:19:78:15:fb:29:51:3c:5f:31:29:5b:1e:b1Signer

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 3.1MB - Virtual size: 3.1MB

.rsrc Size: 3KB - Virtual size: 2KB

.reloc Size: 512B - Virtual size: 12B

77:bd:0e:05:b7:59:0b:b6:1d:47:61:53:1e:3f:75:ed
Certificate

44:8a:bf:29:b0:45:82:3e:5d:6d:cc:0b
Certificate

01:c2:9c:7a:f4:7a:a6:02:58:0e:af:32:b1:23:b1:1d
Certificate

01:ec:1c:92:40:de:fd:2e:40:5d:7c:47:74
Certificate

01:f2:40:42:40:ce:fd:22:db:e9:6c:71:fc
Certificate

04:00:00:00:00:01:21:58:53:08:a2
Certificate

c0:55:7b:9f:05:f4:6d:84:a9:9c:32:1e:0e:c6:bb:6b:af:45:74:19:78:15:fb:29:51:3c:5f:31:29:5b:1e:b1
Signer

.text
Size: 3.1MB - Virtual size: 3.1MB

.rsrc
Size: 3KB - Virtual size: 2KB

.reloc
Size: 512B - Virtual size: 12B