xmrig | 2024-03-25_a0be47fd25882cd644bad25575ea7e9f_cobalt-strike_cobaltstrike

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General

Target
2024-03-25_a0be47fd25882cd644bad25575ea7e9f_cobalt-strike_cobaltstrike
Size 5.9MB
Sample240325-cav8vsfg2t
SHA256 79ba773100e32a83199b588dcb1e4fd87f7649d784fc684437fcb97d7ea3f9a1
MD5 a0be47fd25882cd644bad25575ea7e9f
SHA1 428fecbce1e10c9d1b8ec1cbe7caedba7a7422da
SHA512 c1ed28c73e32d7f750615818b0907e0def5eea5823795d8607ad9a6e85eff50d74a59496e2ffb493550a09967b427b2d9094804ca46e07c34ac93a3721b14218
SSDEEP 98304:demTLkNdfE0pZ3656utgpPFotBER/mQ32lUv:E+v56utgpPF8u/7v
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

miner upx 0 xmrig cobaltstrike

Malware Config

Extracted

Family

cobaltstrike

Botnet

http://ns7.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books
http://ns8.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books
http://ns9.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books

Attributes

access_type
512
beacon_type
256
create_remote_thread
768
crypto_scheme
256
host
ns7.softline.top,/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books,ns8.softline.top,/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books,ns9.softline.top,/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books
http_header1
AAAACgAAAAtBY2NlcHQ6ICovKgAAAAoAAAAUSG9zdDogd3d3LmFtYXpvbi5jb20AAAAHAAAAAAAAAAMAAAACAAAADnNlc3Npb24tdG9rZW49AAAAAgAAAAxza2luPW5vc2tpbjsAAAABAAAALGNzbS1oaXQ9cy0yNEtVMTFCQjgyUlpTWUdKM0JES3wxNDE5ODk5MDEyOTk2AAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
http_header2
AAAACgAAAAtBY2NlcHQ6ICovKgAAAAoAAAAWQ29udGVudC1UeXBlOiB0ZXh0L3htbAAAAAoAAAAgWC1SZXF1ZXN0ZWQtV2l0aDogWE1MSHR0cFJlcXVlc3QAAAAKAAAAFEhvc3Q6IHd3dy5hbWF6b24uY29tAAAACQAAAApzej0xNjB4NjAwAAAACQAAABFvZT1vZT1JU08tODg1OS0xOwAAAAcAAAAAAAAABQAAAAJzbgAAAAkAAAAGcz0zNzE3AAAACQAAACJkY19yZWY9aHR0cCUzQSUyRiUyRnd3dy5hbWF6b24uY29tAAAABwAAAAEAAAADAAAABAAAAAAAAA==
http_method1
GET
http_method2
POST
maxdns
255
pipe_name
\\%s\pipe\msagent_%x
polling_time
5000
port_number
443
sc_process32
%windir%\syswow64\rundll32.exe
sc_process64
%windir%\sysnative\rundll32.exe
state_machine
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDI579oVVII0cYncGonU6vTWyFhqmq8w5QwvI8qsoWeV68Ngy+MjNPX2crcSVVWKQ3j09FII28KTmoE1XFVjEXF3WytRSlDe1OKfOAHX3XYkS9LcUAy0eRl2h4a73hrg1ir/rpisNT6hHtYaK3tmH8DgW/n1XfTfbWk1MZ7cXQHWQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
unknown1
4096
unknown2
AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
uri
/N4215/adj/amzn.us.sr.aps
user_agent
Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko
watermark
0

Signatures

Cobalt Strike reflective loader 1 IoCs

Detects the reflective loader used by Cobalt Strike.

resource	yara_rule
sample	cobalt_reflective_dll

Cobaltstrike family
cobaltstrike

Detects Reflective DLL injection artifacts 1 IoCs

resource	yara_rule
sample	INDICATOR_SUSPICIOUS_ReflectiveLoader

UPX dump on OEP (original entry point) 1 IoCs

resource	yara_rule
sample	UPX

XMRig Miner payload 1 IoCs

miner

resource	yara_rule
sample	xmrig

Xmrig family
xmrig

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
sample	upx

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-25_a0be47fd25882cd644bad25575ea7e9f_cobalt-strike_cobaltstrike

File Explorer

2024-03-25_a0be47fd25882cd644bad25575ea7e9f_cobalt-strike_cobaltstrike

.exe 5.9MB

2024-03-25_a0be47fd25882cd644bad25575ea7e9f_cobalt-strike_cobaltstrike

SHA256 79ba773100e32a83199b588dcb1e4fd87f7649d784fc684437fcb97d7ea3f9a1
MD5 a0be47fd25882cd644bad25575ea7e9f
SHA1 428fecbce1e10c9d1b8ec1cbe7caedba7a7422da
SHA512 c1ed28c73e32d7f750615818b0907e0def5eea5823795d8607ad9a6e85eff50d74a59496e2ffb493550a09967b427b2d9094804ca46e07c34ac93a3721b14218
SSDEEP 98304:demTLkNdfE0pZ3656utgpPFotBER/mQ32lUv:E+v56utgpPF8u/7v
MD5 SHA1 SHA512 SSDEEP

windows:6 windows x64 arch:x64

Cobalt Strike reflective loader

Detects the reflective loader used by Cobalt Strike.
Detects Reflective DLL injection artifacts
UPX dump on OEP (original entry point)
XMRig Miner payload

miner
UPX packed file

Detects executables packed with UPX/modified UPX open source packer.

upx
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

631608

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DEBUG_STRIPPED

PDB paths