d800130e2d311dcb6448aa8ea3900aaeedd871a744a9caae3aaf1d47b10abb4d

General

Target
2026-05-23_d4374ccc2310e4f7ea473b34eea006a1_cobalt-strike_coinminer_hijackloader_icedid_satacom_vidar_wannacry.exe
Size 3.0MB
Sample260523-cf6lsads4x
SHA256 d800130e2d311dcb6448aa8ea3900aaeedd871a744a9caae3aaf1d47b10abb4d
MD5 d4374ccc2310e4f7ea473b34eea006a1
SHA1 3bcadede27c5021ebf783fd24584ce16d6749036
SHA512 d775597f5b0390b3746ddb4a85a7a299a7d954f8cfea07cc267438de95b4e0ecd83c44d8e972cfd68b04848423455c6a2f8966fb1ae5b2c7d4ef26afac533aeb
SSDEEP 49152:3wmnf4bacziwqwpO4q7rHbBSUldP0v7f8IUhabas4f7mZmnf4baczV:39n7OvO4q75Av7fbUhabgBn7OV
TLSH
T161E56C3C6DE445B2D072863185B1A5CDAA317912EB055E8F20D11BCEAFBBBC26C61F35
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

Malware Config

Signatures

UPX dump on OEP (original entry point) 1 IoCs

resource	yara_rule
behavioral2/files/0x000c000000025fd1-6.dat	UPX

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	2026-05-23_d4374ccc2310e4f7ea473b34eea006a1_cobalt-strike_coinminer_hijackloader_icedid_satacom_vidar_wannacry.exe
File created	C:\Windows\hh.exe	2026-05-23_d4374ccc2310e4f7ea473b34eea006a1_cobalt-strike_coinminer_hijackloader_icedid_satacom_vidar_wannacry.exe
File created	C:\Windows\regedit.exe	2026-05-23_d4374ccc2310e4f7ea473b34eea006a1_cobalt-strike_coinminer_hijackloader_icedid_satacom_vidar_wannacry.exe
File created	C:\Windows\splwow64.exe	2026-05-23_d4374ccc2310e4f7ea473b34eea006a1_cobalt-strike_coinminer_hijackloader_icedid_satacom_vidar_wannacry.exe
File created	C:\Windows\write.exe	2026-05-23_d4374ccc2310e4f7ea473b34eea006a1_cobalt-strike_coinminer_hijackloader_icedid_satacom_vidar_wannacry.exe
File created	C:\Windows\explorer.exe	2026-05-23_d4374ccc2310e4f7ea473b34eea006a1_cobalt-strike_coinminer_hijackloader_icedid_satacom_vidar_wannacry.exe
File created	C:\Windows\HelpPane.exe	2026-05-23_d4374ccc2310e4f7ea473b34eea006a1_cobalt-strike_coinminer_hijackloader_icedid_satacom_vidar_wannacry.exe
File created	C:\Windows\notepad.exe	2026-05-23_d4374ccc2310e4f7ea473b34eea006a1_cobalt-strike_coinminer_hijackloader_icedid_satacom_vidar_wannacry.exe
File created	C:\Windows\winhlp32.exe	2026-05-23_d4374ccc2310e4f7ea473b34eea006a1_cobalt-strike_coinminer_hijackloader_icedid_satacom_vidar_wannacry.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
1124	notepad.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 1124	1632	2026-05-23_d4374ccc2310e4f7ea473b34eea006a1_cobalt-strike_coinminer_hijackloader_icedid_satacom_vidar_wannacry.exe	81

C:\Users\Admin\AppData\Local\Temp\2026-05-23_d4374ccc2310e4f7ea473b34eea006a1_cobalt-strike_coinminer_hijackloader_icedid_satacom_vidar_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-23_d4374ccc2310e4f7ea473b34eea006a1_cobalt-strike_coinminer_hijackloader_icedid_satacom_vidar_wannacry.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe" C:\Users\Admin\AppData\Local\Temp\WEL755A.tmp
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:1124

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

System Information Discovery

1

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 3.4MB
SHA256 2672f2e0cfead75e1a6cf72e8db6ef898eb6945a5dd7292b9f0ca0879d8f7307
MD5 762b54b188fbf37453e3a7caf6318173
SHA1 96d31eb033df5e5afda7d961642d9d9814e0763e
SHA512 3fc0a50feb88bf959e27af4c0cf6c0cb0203702f63c9e18e6893a596ad918a50f6ca47ef085e0849297f13ad3016b0a9209a15c6e8cf16c9c3cb8ca267a3c88e
SSDEEP 49152:3wmnf4bacziwqwpO4q7rHbBSUldP0v7f8IUhabas4f7mZmnf4baczVUasqc:39n7OvO4q75Av7fbUhabgBn7OVPF
TLSH
T10AF58E386DF44572D0B28671C5A0A58CAE317911AB015E8F11D11BCEAFBBBC26D72F36
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

WEL755A.tmp

Path C:\Users\Admin\AppData\Local\Temp\WEL755A.tmp
Size 52B
SHA256 be0909be27235c36586ceb9b7e37d8d74c423d9460c4dbf0e2417fcf58b96caa
MD5 17ddbb82a40e2ac704e1045da8fb1cf6
SHA1 a570cdbc16483567fe1439903b212e33b15343b7
SHA512 031adfce17522c42262d40acb75f1db7a1942e4965ab505ee3a5b7001e07a3f16182a4093a3e9a3b99b50860bbc66205a9956b4d8da76adb823054aae6598da2
TLSH
T1449002F35491D6301587051611E8118616566D9675199405E00811251AB56520515DDA
MD5 SHA1 SHA512 TLSH