xmrig | a23a87d4c2bd6f082d3eacdb1e444db341233e7172b80807b80e10ab29818c5d

General

Target

2024-05-23_b9890438a109f8737ee5419674ae6a91_cobalt-strike_cobaltstrike.exe
Size

4.7MB
MD5

b9890438a109f8737ee5419674ae6a91
SHA1

3853d0c4ac7648fab407a7bf98eb928da93c9e9a
SHA256

a23a87d4c2bd6f082d3eacdb1e444db341233e7172b80807b80e10ab29818c5d
SHA512

9dbca4159cfebeb376d369617f1fe86bd4784b67231a76c41a2232c6d25bdc6c578ab185cf08837d03cf87b54fd873c730ed2e3b732e7b6a20b58303fefc3c74
SSDEEP

98304:SW1qiPgxn+cuSuxx8Svt73qq36IdKtVxNw6pUkp3bkbRxjUk:53EnsxxDt73DdKrwapwbEk

Score

10^/10

xmrig miner upx

Malware Config

Signatures

xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig

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

Processes:

resource	yara_rule
behavioral1/memory/2756-145-0x0000000000400000-0x00000000010B6000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL

UPX dump on OEP (original entry point) 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2756-1-0x0000000000400000-0x00000000010B6000-memory.dmp	UPX
behavioral1/memory/2756-145-0x0000000000400000-0x00000000010B6000-memory.dmp	UPX

XMRig Miner payload 1 IoCs

miner

Processes:

resource	yara_rule
behavioral1/memory/2756-145-0x0000000000400000-0x00000000010B6000-memory.dmp	xmrig

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2756-1-0x0000000000400000-0x00000000010B6000-memory.dmp	upx
behavioral1/memory/2756-145-0x0000000000400000-0x00000000010B6000-memory.dmp	upx

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

2024-05-23_b9890438a109f8737ee5419674ae6a91_cobalt-strike_cobaltstrike.exe

description	ioc	process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\317A2AD07F2B335EF5A1C34E4B57E8B7D8F1FCA6\Blob = 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	2024-05-23_b9890438a109f8737ee5419674ae6a91_cobalt-strike_cobaltstrike.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\317A2AD07F2B335EF5A1C34E4B57E8B7D8F1FCA6	2024-05-23_b9890438a109f8737ee5419674ae6a91_cobalt-strike_cobaltstrike.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-23_b9890438a109f8737ee5419674ae6a91_cobalt-strike_cobaltstrike.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-23_b9890438a109f8737ee5419674ae6a91_cobalt-strike_cobaltstrike.exe"
1⤵
- Modifies system certificate store
PID:2756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar2331.tmp
Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
memory/2756-0-0x00000000003E0000-0x00000000003F0000-memory.dmp

Filesize
64KB

Download
memory/2756-1-0x0000000000400000-0x00000000010B6000-memory.dmp

Filesize
12.7MB

Download
memory/2756-145-0x0000000000400000-0x00000000010B6000-memory.dmp

Filesize
12.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads