cobaltstrike | 2026-09-07_dfce6963e3f5e5d9be14abe29d4b55f5_amadey_cobalt-strike_coinminer_smoke-loader

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General

Target
2026-09-07_dfce6963e3f5e5d9be14abe29d4b55f5_amadey_cobalt-strike_coinminer_smoke-loader
Size 4.5MB
Sample260908-d9ycyazvbx
SHA256 67db3c3b8ac2b888b65db69c14690e05080f7a2e10300b37d2ed7df8437bd7b5
MD5 dfce6963e3f5e5d9be14abe29d4b55f5
SHA1 39af9ba70fbfd2d3aa671ba88cdae0daaa39a4f6
SHA512 26aac3d4ab184c32167824380739aff2c9af700d382ea8c46ef8088c1bf1afe28b974a595193eda66b576ace95f533b68af61b8a1d67d4f0953244b32b173443
SSDEEP 98304:OlBSdtkxvrqG0A9GGu0WrA1+jR5+/RIdIpT/rs+T/urA7E4NhUj:OlBvaA1o5+lT/rD2AA4NCj
TLSH
T1BB2633897495C473D407147EBA0BC3BA62B9B8F867C584422BF16DC56033AE3B77A706
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

upx 0 miner trojan backdoor 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,ns8.softline.top,ns9.softline.top
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

Family: Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
trojan backdoor cobaltstrike
Family: xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig

Cobalt Strike reflective loader 1 IoCs

Detects the reflective loader used by Cobalt Strike.

resource	yara_rule
sample	cobalt_reflective_dll

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

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
2026-09-07_dfce6963e3f5e5d9be14abe29d4b55f5_amadey_cobalt-strike_coinminer_smoke-loader
unpack001/out.upx

File Explorer

2026-09-07_dfce6963e3f5e5d9be14abe29d4b55f5_amadey_cobalt-strike_coinminer_smoke-loader

.exe 4.5MB
out.upx

.exe 10.0MB

2026-09-07_dfce6963e3f5e5d9be14abe29d4b55f5_amadey_cobalt-strike_coinminer_smoke-loader

SHA256 67db3c3b8ac2b888b65db69c14690e05080f7a2e10300b37d2ed7df8437bd7b5
MD5 dfce6963e3f5e5d9be14abe29d4b55f5
SHA1 39af9ba70fbfd2d3aa671ba88cdae0daaa39a4f6
SHA512 26aac3d4ab184c32167824380739aff2c9af700d382ea8c46ef8088c1bf1afe28b974a595193eda66b576ace95f533b68af61b8a1d67d4f0953244b32b173443
SSDEEP 98304:OlBSdtkxvrqG0A9GGu0WrA1+jR5+/RIdIpT/rs+T/urA7E4NhUj:OlBvaA1o5+lT/rD2AA4NCj
TLSH
T1BB2633897495C473D407147EBA0BC3BA62B9B8F867C584422BF16DC56033AE3B77A706
MD5 SHA1 SHA512 SSDEEP TLSH

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

13323216

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 dde430824d54e264044720f3ed94bac9ffd90e276c03b31a304aa46d01712630
MD5 7b94553fd9dcbbac4017367bbbeb54cf
SHA1 0e13cae07335cfad61e5b97c44d87663675dd0c5
SHA512 f42e5c6922337570678bae32aea0f7f798294aa3553eba9e7fe60964a8b6aefdd3fc4886ab8ffa058794e6c76bbf2a68d5d200ddcf4d902fd0bec7a0ce26452f
SSDEEP 196608:yAfrMK0z50OJEzEuDTvnO5tQ3ovumrGXp66:yYYKXS1uDaOZmry6
TLSH
T155B66C27F5A304FDC67EE17082979732BA31789942307BAB1B90DA752F12F906B2D714
MD5 SHA1 SHA512 SSDEEP TLSH

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

2026-09-07_dfce6963e3f5e5d9be14abe29d4b55f5_amadey_cobalt-strike_coinminer_smoke-loader

generic

out.upx

generic