cobaltstrike | 2024-05-30_f9a3af24af78f25d32fb4a64968e00ae_cobalt-strike_cobaltstrike

Sharing

Copy URL Twitter E-mail

General

Target
2024-05-30_f9a3af24af78f25d32fb4a64968e00ae_cobalt-strike_cobaltstrike
Size 4.7MB
Sample240530-lskphsed82
SHA256 bfbc3b5340436073dfbec87d834938bce32cc2568de74c622fcbb7030279a953
MD5 f9a3af24af78f25d32fb4a64968e00ae
SHA1 d44c6becb11ed044583fd818247222e04db9b2a5
SHA512 3ff11c2ee02c4dae4edd989c2cef0337f38602ff6472395db0f77576e4f5190c0b86eab02519eb21a2c2f2f51f7464794a44b6bc70248a3eafd0c69554158f43
SSDEEP 98304:aIZAxzp4OwEpjoyYRshEAlOw+Je5rFrmTox8pyUY:aIZ4lrVBoyYRshEAlsefma4pY
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

upx 0 miner cobaltstrike xmrig

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

Detects executables containing URLs to raw contents of a Github gist 1 IoCs

resource	yara_rule
static1/unpack001/out.upx	INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL

UPX dump on OEP (original entry point) 1 IoCs

resource	yara_rule
sample	UPX

XMRig Miner payload 1 IoCs

miner

resource	yara_rule
static1/unpack001/out.upx	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 2 IoCs

Checks for missing Authenticode signature.

resource
2024-05-30_f9a3af24af78f25d32fb4a64968e00ae_cobalt-strike_cobaltstrike
unpack001/out.upx

File Explorer

2024-05-30_f9a3af24af78f25d32fb4a64968e00ae_cobalt-strike_cobaltstrike

.exe 4.7MB
out.upx

.exe 10.0MB

2024-05-30_f9a3af24af78f25d32fb4a64968e00ae_cobalt-strike_cobaltstrike

SHA256 bfbc3b5340436073dfbec87d834938bce32cc2568de74c622fcbb7030279a953
MD5 f9a3af24af78f25d32fb4a64968e00ae
SHA1 d44c6becb11ed044583fd818247222e04db9b2a5
SHA512 3ff11c2ee02c4dae4edd989c2cef0337f38602ff6472395db0f77576e4f5190c0b86eab02519eb21a2c2f2f51f7464794a44b6bc70248a3eafd0c69554158f43
SSDEEP 98304:aIZAxzp4OwEpjoyYRshEAlOw+Je5rFrmTox8pyUY:aIZ4lrVBoyYRshEAlsefma4pY
MD5 SHA1 SHA512 SSDEEP

windows:4 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)
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

13322736

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DEBUG_STRIPPED

PDB paths

out.upx

SHA256 49d432a82f65aecf6888f19d78eef8c1b44f273abf6f81f01ef37808860b067f
MD5 60e6ba1aeb74a7c81ef0ee205d696a6d
SHA1 dcbd223bab7e9a0f6f09abb24d32acefe5647e61
SHA512 49940860852f7e57e89e23f53e99863ed9aeb5deebfa68bb38ec0268b7c46d9a621a410f4a2464bfa954348b464b86781ab322a250338e4c54b88377098b3c98
SSDEEP 196608:/2XrSIqtPazmgL7uDbzV0xpZr8o37nmPQLi7gCsL:/aWIPyquDCzzmPfgC
MD5 SHA1 SHA512 SSDEEP

windows:4 windows x64 arch:x64

Cobalt Strike reflective loader

Detects the reflective loader used by Cobalt Strike.
Detects Reflective DLL injection artifacts
Detects executables containing URLs to raw contents of a Github gist
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

5344

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DEBUG_STRIPPED

PDB paths

Name

.text

Size

6.1MB

Virtual Size

6.1MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

284KB

Virtual Size

283KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

3.3MB

Virtual Size

3.3MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.pdata

Size

150KB

Virtual Size

150KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

164KB

Virtual Size

163KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.bss

Size

Virtual Size

2.7MB

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

16KB

Virtual Size

16KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.CRT

Size

512B

Virtual Size

112B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.tls

Size

512B

Virtual Size

16B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

2024-05-30_f9a3af24af78f25d32fb4a64968e00ae_cobalt-strike_cobaltstrike

generic

out.upx

generic