cobaltstrike | 5746742bb93501a8d51e388d013124bb61c4d1cdf07d24a3fd4836af4a24e2cf[.]zip

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General

Target
5746742bb93501a8d51e388d013124bb61c4d1cdf07d24a3fd4836af4a24e2cf.zip
Size 2.2MB
Sample260910-3qs2jszsdz
SHA256 76beab5eabebaf0316d9aac31d3575d49066811963cf450095fbb22ecd9225f2
MD5 2c2210c156415707e23f97bc2272d797
SHA1 99e3534ed9721512037e35e0f70941ea295b5d33
SHA512 83720b430a0a10849f35368ddf52f82d27679661f23f8f22366fa2fcba80107d63c54bec547c8550adf26bf92302624abd23f4783506f310e99cdbecb8562f86
SSDEEP 49152:4qfPrmwn4DbdaTpEPhp5KB6gsjK0mPKw/Ojd1ea8/xtuA32015DBvprrk:vrAdMpEdes2E8Ojd1gaz0vk
TLSH
T137B5335AC805FDFADF3E6B85AE40619DF56DCEBFC846D407B2458709709206ACE50CA3
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
static1/unpack001/5746742bb93501a8d51e388d013124bb61c4d1cdf07d24a3fd4836af4a24e2cf	cobalt_reflective_dll

XMRig Miner payload 1 IoCs

miner

resource	yara_rule
static1/unpack002/out.upx	xmrig

UPX packed file 1 IoCs

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

upx

resource	yara_rule
static1/unpack001/5746742bb93501a8d51e388d013124bb61c4d1cdf07d24a3fd4836af4a24e2cf	upx

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
unpack001/5746742bb93501a8d51e388d013124bb61c4d1cdf07d24a3fd4836af4a24e2cf
unpack002/out.upx

File Explorer

5746742bb93501a8d51e388d013124bb61c4d1cdf07d24a3fd4836af4a24e2cf.zip

.zip 2.2MB
5746742bb93501a8d51e388d013124bb61c4d1cdf07d24a3fd4836af4a24e2cf

.exe 5.2MB
out.upx

.exe 755KB

5746742bb93501a8d51e388d013124bb61c4d1cdf07d24a3fd4836af4a24e2cf.zip

SHA256 76beab5eabebaf0316d9aac31d3575d49066811963cf450095fbb22ecd9225f2
MD5 2c2210c156415707e23f97bc2272d797
SHA1 99e3534ed9721512037e35e0f70941ea295b5d33
SHA512 83720b430a0a10849f35368ddf52f82d27679661f23f8f22366fa2fcba80107d63c54bec547c8550adf26bf92302624abd23f4783506f310e99cdbecb8562f86
SSDEEP 49152:4qfPrmwn4DbdaTpEPhp5KB6gsjK0mPKw/Ojd1ea8/xtuA32015DBvprrk:vrAdMpEdes2E8Ojd1gaz0vk
TLSH
T137B5335AC805FDFADF3E6B85AE40619DF56DCEBFC846D407B2458709709206ACE50CA3
MD5 SHA1 SHA512 SSDEEP TLSH

Password

infected

5746742bb93501a8d51e388d013124bb61c4d1cdf07d24a3fd4836af4a24e2cf

SHA256 5746742bb93501a8d51e388d013124bb61c4d1cdf07d24a3fd4836af4a24e2cf
MD5 c98b90633bd8e1e8b5a81a6bbad06990
SHA1 bf3dce5d44a7c3cbb56ce93fb7561f7946e612a8
SHA512 4a75ad5d0e9540269dd9bd619e1d70846abd0df1c22aacd0c6a0b154b567b7b46bb28fd54bad8691d41e3e93af110bc154cd4eb93e38f3df3fb9d0f6045c2253
SSDEEP 49152:ROdWCCi7/ras56uL3pgrCEdMKPFotsgEBr6GjvzW+UBA3Gd7po52xWKQY2v2V6lW:RWWBibf56utgpPFotBER/mQ32lUq
TLSH
T12E465C41ED9B45F2EB8712308CB31E5F6333B2190335EAC3DA654A6FE5276E46B36241
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Cobalt Strike reflective loader

Detects the reflective loader used by Cobalt Strike.
UPX packed file

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

upx
Unsigned PE

Checks for missing Authenticode signature.

Password

infected

Minor OS version

Major OS version

Entry point

3472144

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

PDB paths

out.upx

SHA256 039f558ad81f446720fd4fb6ead76e65a8f6fc021774aa609b7c1ab160e310bb
MD5 eb33880a2c1f63e23190b253aba8ee49
SHA1 2a6ced9bd50e32f3915349fa88333bb7b5828bea
SHA512 f98bba28012c7cfad6cb860dab3a0f158f0cd4a000461b2064f09c551362623f47db6235fcad89b3edd1ebc3e39b45741bf30fb43274c63435776cff87ffc45d
SSDEEP 12288:zKQbRDeMaT8ENMX4AbfFQ8FcNrpPEDNW3cfxpY0bLBgDOpsxT8TvSLz9LbHIl7TC:GezaTnG99Q8FcNrpyNdfE0bLBgDOp2ie
TLSH
T159F46C6DB2F550B4D5EFC078C51A8A07F7F1389903A4918F53A127AA6F232C5E52AF34
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

XMRig Miner payload

miner
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

PDB paths

Name

.text

Size

619KB

Virtual Size

619KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

96KB

Virtual Size

96KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

4KB

Virtual Size

2.5MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

17KB

Virtual Size

17KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

_TEXT_CN

Size

6KB

Virtual Size

6KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

_TEXT_CN

Size

7KB

Virtual Size

7KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rsrc

Size

512B

Virtual Size

480B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

2KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

5746742bb93501a8d51e388d013124bb61c4d1cdf07d24a3fd4836af4a24e2cf.zip

5746742bb93501a8d51e388d013124bb61c4d1cdf07d24a3fd4836af4a24e2cf

generic

out.upx

generic