b67a57fa7d0a897451edf9e1690a1f20c7b1655083b7ff1da4f2063526c971c7

General

Target
2026-04-19_c4969d4a075956082a6805b0e0e82882_cobalt-strike_coinminer_hijackloader_icedid_rhadamanthys_satacom_stealc_vidar.exe
Size 2.8MB
Sample260420-bccc4aey9m
SHA256 b67a57fa7d0a897451edf9e1690a1f20c7b1655083b7ff1da4f2063526c971c7
MD5 c4969d4a075956082a6805b0e0e82882
SHA1 7089c544ce243ce52740c36c960f348ee0cdab35
SHA512 b4ed5b71da523096e2a6cacc85092b8e390cf7bfd0287050b997e210fd159f007757efcf4975f9adfa89046fb2c0c140d5d40eda1bc1eb8ef8c83d4d5e8c5327
SSDEEP 49152:c/ev62y1omnf4baczm4/ev62y1omnf4baczmOwMhwmnf4baczV:2oyjn7OmKoyjn7Omy9n7OV
TLSH
T113D59C1A7A5444B6E06148348A51961DA772BC25C7138FCB32A4BEEEFFF36D09E34631
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

UPX dump on OEP (original entry point) 1 IoCs

resource	yara_rule
behavioral1/files/0x000500000001e5b5-6.dat	UPX

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-745935970-1373868228-562466063-1000\Control Panel\International\Geo\Nation	2026-04-19_c4969d4a075956082a6805b0e0e82882_cobalt-strike_coinminer_hijackloader_icedid_rhadamanthys_satacom_stealc_vidar.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Drops file in Windows directory 9 IoCs

description	ioc	Process
File created	C:\Windows\regedit.exe	2026-04-19_c4969d4a075956082a6805b0e0e82882_cobalt-strike_coinminer_hijackloader_icedid_rhadamanthys_satacom_stealc_vidar.exe
File created	C:\Windows\splwow64.exe	2026-04-19_c4969d4a075956082a6805b0e0e82882_cobalt-strike_coinminer_hijackloader_icedid_rhadamanthys_satacom_stealc_vidar.exe
File created	C:\Windows\winhlp32.exe	2026-04-19_c4969d4a075956082a6805b0e0e82882_cobalt-strike_coinminer_hijackloader_icedid_rhadamanthys_satacom_stealc_vidar.exe
File created	C:\Windows\write.exe	2026-04-19_c4969d4a075956082a6805b0e0e82882_cobalt-strike_coinminer_hijackloader_icedid_rhadamanthys_satacom_stealc_vidar.exe
File created	C:\Windows\bfsvc.exe	2026-04-19_c4969d4a075956082a6805b0e0e82882_cobalt-strike_coinminer_hijackloader_icedid_rhadamanthys_satacom_stealc_vidar.exe
File created	C:\Windows\explorer.exe	2026-04-19_c4969d4a075956082a6805b0e0e82882_cobalt-strike_coinminer_hijackloader_icedid_rhadamanthys_satacom_stealc_vidar.exe
File created	C:\Windows\HelpPane.exe	2026-04-19_c4969d4a075956082a6805b0e0e82882_cobalt-strike_coinminer_hijackloader_icedid_rhadamanthys_satacom_stealc_vidar.exe
File created	C:\Windows\hh.exe	2026-04-19_c4969d4a075956082a6805b0e0e82882_cobalt-strike_coinminer_hijackloader_icedid_rhadamanthys_satacom_stealc_vidar.exe
File created	C:\Windows\notepad.exe	2026-04-19_c4969d4a075956082a6805b0e0e82882_cobalt-strike_coinminer_hijackloader_icedid_rhadamanthys_satacom_stealc_vidar.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
4064	notepad.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1404 wrote to memory of 4064	1404	2026-04-19_c4969d4a075956082a6805b0e0e82882_cobalt-strike_coinminer_hijackloader_icedid_rhadamanthys_satacom_stealc_vidar.exe	87

C:\Users\Admin\AppData\Local\Temp\2026-04-19_c4969d4a075956082a6805b0e0e82882_cobalt-strike_coinminer_hijackloader_icedid_rhadamanthys_satacom_stealc_vidar.exe
"C:\Users\Admin\AppData\Local\Temp\2026-04-19_c4969d4a075956082a6805b0e0e82882_cobalt-strike_coinminer_hijackloader_icedid_rhadamanthys_satacom_stealc_vidar.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1404
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe" C:\Users\Admin\AppData\Local\Temp\WELFA5E.tmp
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:4064

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

vcredist_x86.exe

Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
Size 3.2MB
SHA256 36ec07f00fb2995c78aa6e0474902674616d3f6eaf1e286d7a8570a1f42adda7
MD5 39bb28590173237d936baffff45b4495
SHA1 25331360003e53a217541394c724e8ecf007f73d
SHA512 d043abd4aa923f135511aa3d607f1972c0826ecd4e47eab6e7b5667add2348e737da42611b7498dcf8ef7b6dba7440a6f1633ca3c5b549a72505fb77ac6ba3e3
SSDEEP 49152:c/ev62y1omnf4baczm4/ev62y1omnf4baczmOwMhwmnf4baczVUasqc:2oyjn7OmKoyjn7Omy9n7OVPF
TLSH
T1BDF5AE26BA5440B6D06109358911D62DAB71BC24DB138ECB2290BEEEFFF36D15E36731
MD5 SHA1 SHA512 SSDEEP TLSH

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WELFA5E.tmp

Path C:\Users\Admin\AppData\Local\Temp\WELFA5E.tmp
Size 52B
SHA256 be0909be27235c36586ceb9b7e37d8d74c423d9460c4dbf0e2417fcf58b96caa
MD5 17ddbb82a40e2ac704e1045da8fb1cf6
SHA1 a570cdbc16483567fe1439903b212e33b15343b7
SHA512 031adfce17522c42262d40acb75f1db7a1942e4965ab505ee3a5b7001e07a3f16182a4093a3e9a3b99b50860bbc66205a9956b4d8da76adb823054aae6598da2
TLSH
T1449002F35491D6301587051611E8118616566D9675199405E00811251AB56520515DDA
MD5 SHA1 SHA512 TLSH

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memory/4064-43-0x0000022D967E0000-0x0000022D968BA000-memory.dmp

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Analysis

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