aa1d50d4a4569daa5f90e3a086b8c16640a2db0c492e4a40c018f4496fff06f2

General

Target
2026-04-27_ca5d1be9515681c660fbe3d54622b3ff_cobalt-strike_coinminer_hijackloader_icedid_njrat_rhadam.exe
Size 6.0MB
Sample260427-raryrsc14w
SHA256 aa1d50d4a4569daa5f90e3a086b8c16640a2db0c492e4a40c018f4496fff06f2
MD5 ca5d1be9515681c660fbe3d54622b3ff
SHA1 68eea7d967189509552bc0fa4cb652c739490c73
SHA512 a06092b3e5d26fc296f6255129db4eee1a802e65f1bae749f09046f5926c52eddda85f9e448a4f4635d6860700f5167a4344efcd6b1e7ba2477dac0f7762658b
SSDEEP 98304:2oyjn7Osoyjn7OK9n7Oijoyjn7Osoyjn7OK9n7OicK:2PnSsPnSK9nSijPnSsPnSK9nSicK
TLSH
T1EF568D06A6A445B6E07245348965816DEB72BC15CB238E8F3250BEDEBFF36C09E74731
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

Detects executables embedding registry key / value combination indicative of disabling Windows Defen 1 IoCs

resource	yara_rule
behavioral1/files/0x000500000001e5b2-6.dat	INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender

UPX dump on OEP (original entry point) 1 IoCs

resource	yara_rule
behavioral1/files/0x000500000001e5b2-6.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-1-5-21-2714754311-527593155-1440850301-1000\Control Panel\International\Geo\Nation	2026-04-27_ca5d1be9515681c660fbe3d54622b3ff_cobalt-strike_coinminer_hijackloader_icedid_njrat_rhadam.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\bfsvc.exe	2026-04-27_ca5d1be9515681c660fbe3d54622b3ff_cobalt-strike_coinminer_hijackloader_icedid_njrat_rhadam.exe
File created	C:\Windows\explorer.exe	2026-04-27_ca5d1be9515681c660fbe3d54622b3ff_cobalt-strike_coinminer_hijackloader_icedid_njrat_rhadam.exe
File created	C:\Windows\HelpPane.exe	2026-04-27_ca5d1be9515681c660fbe3d54622b3ff_cobalt-strike_coinminer_hijackloader_icedid_njrat_rhadam.exe
File created	C:\Windows\splwow64.exe	2026-04-27_ca5d1be9515681c660fbe3d54622b3ff_cobalt-strike_coinminer_hijackloader_icedid_njrat_rhadam.exe
File created	C:\Windows\winhlp32.exe	2026-04-27_ca5d1be9515681c660fbe3d54622b3ff_cobalt-strike_coinminer_hijackloader_icedid_njrat_rhadam.exe
File created	C:\Windows\write.exe	2026-04-27_ca5d1be9515681c660fbe3d54622b3ff_cobalt-strike_coinminer_hijackloader_icedid_njrat_rhadam.exe
File created	C:\Windows\hh.exe	2026-04-27_ca5d1be9515681c660fbe3d54622b3ff_cobalt-strike_coinminer_hijackloader_icedid_njrat_rhadam.exe
File created	C:\Windows\notepad.exe	2026-04-27_ca5d1be9515681c660fbe3d54622b3ff_cobalt-strike_coinminer_hijackloader_icedid_njrat_rhadam.exe
File created	C:\Windows\regedit.exe	2026-04-27_ca5d1be9515681c660fbe3d54622b3ff_cobalt-strike_coinminer_hijackloader_icedid_njrat_rhadam.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
740	notepad.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5000 wrote to memory of 740	5000	2026-04-27_ca5d1be9515681c660fbe3d54622b3ff_cobalt-strike_coinminer_hijackloader_icedid_njrat_rhadam.exe	85

C:\Users\Admin\AppData\Local\Temp\2026-04-27_ca5d1be9515681c660fbe3d54622b3ff_cobalt-strike_coinminer_hijackloader_icedid_njrat_rhadam.exe
"C:\Users\Admin\AppData\Local\Temp\2026-04-27_ca5d1be9515681c660fbe3d54622b3ff_cobalt-strike_coinminer_hijackloader_icedid_njrat_rhadam.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:5000
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe" C:\Users\Admin\AppData\Local\Temp\WEL7EFF.tmp
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:740

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

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Downloads

vcredist_x86.exe

Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
Size 6.4MB
SHA256 e455ff47150ed0767d59cfdb367d5f8962f661aa07d10b1a732b8df1b2d13a49
MD5 61bfa091a85601c410c77c2e330039b2
SHA1 043989860bb78f3f21441d3f868b87de97711b1a
SHA512 a34509f977f65eb98515f9ce9054e0ad2248dff2fcdf97ba32794a148e0c7aa1f760e26434995be80b10517ca0291ef71a33d51b51a213eebbb1104c01ad6071
SSDEEP 98304:2oyjn7Osoyjn7OK9n7Oijoyjn7Osoyjn7OK9n7OicoPF:2PnSsPnSK9nSijPnSsPnSK9nSicoP
TLSH
T111669D11A7A444B6E0B245308965816DAB72BC15CB238E8F3250BEDEBFF36D09E75731
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

WEL7EFF.tmp

Path C:\Users\Admin\AppData\Local\Temp\WEL7EFF.tmp
Size 52B
SHA256 be0909be27235c36586ceb9b7e37d8d74c423d9460c4dbf0e2417fcf58b96caa
MD5 17ddbb82a40e2ac704e1045da8fb1cf6
SHA1 a570cdbc16483567fe1439903b212e33b15343b7
SHA512 031adfce17522c42262d40acb75f1db7a1942e4965ab505ee3a5b7001e07a3f16182a4093a3e9a3b99b50860bbc66205a9956b4d8da76adb823054aae6598da2
TLSH
T1449002F35491D6301587051611E8118616566D9675199405E00811251AB56520515DDA
MD5 SHA1 SHA512 TLSH

Submit Download

memory/740-44-0x000002360F630000-0x000002360F7D1000-memory.dmp

Download

memory/5000-43-0x000001F1B4C50000-0x000001F1B4D7A000-memory.dmp