Malware Analysis Report

2025-04-13 21:07

Sample ID 230721-h535vace35
Target ENERCOV RFQ (PO 20225181).exe
SHA256 8114a7dc930bc7b12b35b25d097b7136649c1633f9a0cb2792498aaab7a68936
Tags
darkcloud stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

8114a7dc930bc7b12b35b25d097b7136649c1633f9a0cb2792498aaab7a68936

Threat Level: Known bad

The file ENERCOV RFQ (PO 20225181).exe was found to be: Known bad.

Malicious Activity Summary

darkcloud stealer

DarkCloud

Checks computer location settings

Suspicious use of SetThreadContext

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-07-21 07:20

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-07-21 07:20

Reported

2023-07-21 07:22

Platform

win7-20230712-en

Max time kernel

135s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe"

Signatures

DarkCloud

stealer darkcloud

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2308 set thread context of 756 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2308 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2308 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2308 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2308 wrote to memory of 2636 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2308 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Windows\SysWOW64\schtasks.exe
PID 2308 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Windows\SysWOW64\schtasks.exe
PID 2308 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Windows\SysWOW64\schtasks.exe
PID 2308 wrote to memory of 2232 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Windows\SysWOW64\schtasks.exe
PID 2308 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe
PID 2308 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe
PID 2308 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe
PID 2308 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe
PID 2308 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe
PID 2308 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe
PID 2308 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe
PID 2308 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe
PID 2308 wrote to memory of 756 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe

Processes

C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe

"C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RWIZKkp.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RWIZKkp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7262.tmp"

C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe

"C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe"

Network

N/A

Files

memory/2308-54-0x0000000074720000-0x0000000074E0E000-memory.dmp

memory/2308-55-0x0000000000E50000-0x0000000000F68000-memory.dmp

memory/2308-56-0x0000000004EB0000-0x0000000004EF0000-memory.dmp

memory/2308-57-0x00000000003E0000-0x00000000003F0000-memory.dmp

memory/2308-58-0x0000000074720000-0x0000000074E0E000-memory.dmp

memory/2308-59-0x0000000004EB0000-0x0000000004EF0000-memory.dmp

memory/2308-60-0x00000000004F0000-0x00000000004FA000-memory.dmp

memory/2308-61-0x00000000081B0000-0x0000000008272000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp7262.tmp

MD5 015fe15eff137801062f8d4d8f416d34
SHA1 99af22b69c1712f460013384b267f4009c87d836
SHA256 d513f8b138f7dbfcb2872f7b4c1e1712a85448c0826248e466305f614451f4c6
SHA512 0e0e2d3a717985798dc0e756e529bb754312c2807ae6c9e0c6d241fa0b1a8b7e60e55a3d88ed25356aad5a9868dea6f0303b5e543a0632320da26101f68089e2

memory/756-67-0x0000000000400000-0x000000000046E000-memory.dmp

memory/756-69-0x0000000000400000-0x000000000046E000-memory.dmp

memory/756-71-0x0000000000400000-0x000000000046E000-memory.dmp

memory/756-75-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/756-77-0x0000000000400000-0x000000000046E000-memory.dmp

memory/2308-80-0x0000000074720000-0x0000000074E0E000-memory.dmp

memory/756-79-0x0000000000400000-0x000000000046E000-memory.dmp

memory/2636-85-0x0000000074860000-0x0000000074E0B000-memory.dmp

memory/2636-86-0x0000000074860000-0x0000000074E0B000-memory.dmp

memory/2636-87-0x0000000002520000-0x0000000002560000-memory.dmp

memory/2636-88-0x0000000002520000-0x0000000002560000-memory.dmp

memory/2636-89-0x0000000002520000-0x0000000002560000-memory.dmp

memory/2636-90-0x0000000074860000-0x0000000074E0B000-memory.dmp

memory/756-91-0x0000000000400000-0x000000000046E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-07-21 07:20

Reported

2023-07-21 07:22

Platform

win10v2004-20230703-en

Max time kernel

142s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe"

Signatures

DarkCloud

stealer darkcloud

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2080 set thread context of 4848 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2080 wrote to memory of 4908 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2080 wrote to memory of 4908 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2080 wrote to memory of 4908 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2080 wrote to memory of 4416 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Windows\SysWOW64\schtasks.exe
PID 2080 wrote to memory of 4416 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Windows\SysWOW64\schtasks.exe
PID 2080 wrote to memory of 4416 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Windows\SysWOW64\schtasks.exe
PID 2080 wrote to memory of 4848 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe
PID 2080 wrote to memory of 4848 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe
PID 2080 wrote to memory of 4848 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe
PID 2080 wrote to memory of 4848 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe
PID 2080 wrote to memory of 4848 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe
PID 2080 wrote to memory of 4848 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe
PID 2080 wrote to memory of 4848 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe
PID 2080 wrote to memory of 4848 N/A C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe

Processes

C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe

"C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RWIZKkp.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RWIZKkp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1325.tmp"

C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe

"C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 54.120.234.20.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 200.74.101.95.in-addr.arpa udp
US 8.8.8.8:53 64.13.109.52.in-addr.arpa udp
US 8.8.8.8:53 15.173.189.20.in-addr.arpa udp

Files

memory/2080-133-0x0000000075240000-0x00000000759F0000-memory.dmp

memory/2080-134-0x0000000000130000-0x0000000000248000-memory.dmp

memory/2080-135-0x00000000050D0000-0x0000000005674000-memory.dmp

memory/2080-136-0x0000000004B20000-0x0000000004BB2000-memory.dmp

memory/2080-137-0x0000000004D90000-0x0000000004DA0000-memory.dmp

memory/2080-138-0x0000000004CC0000-0x0000000004CCA000-memory.dmp

memory/2080-139-0x0000000075240000-0x00000000759F0000-memory.dmp

memory/2080-140-0x0000000004D90000-0x0000000004DA0000-memory.dmp

memory/2080-141-0x000000000A550000-0x000000000A5EC000-memory.dmp

memory/4908-146-0x0000000002300000-0x0000000002336000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp1325.tmp

MD5 171425d9d3c02678a76b7eb54235434b
SHA1 7f4f945f7516471ae5f9f4b9fdd254fe9d220ccb
SHA256 2083f2e3d5d0e2a26c220cca27974a17dae201276ce6328763543e1c6be3a736
SHA512 18b8cabe6073a697069010a0d14916349e5613be3da86914bab2d6747f392a6084f843e53c6581933e7f5b43d7128bcf1c4387f2a0e06652fe983f02e1233acc

memory/4908-148-0x0000000075240000-0x00000000759F0000-memory.dmp

memory/4908-150-0x0000000004840000-0x0000000004850000-memory.dmp

memory/4908-151-0x0000000004E80000-0x00000000054A8000-memory.dmp

memory/4908-149-0x0000000004840000-0x0000000004850000-memory.dmp

memory/4848-152-0x0000000000400000-0x000000000046E000-memory.dmp

memory/4848-155-0x0000000000400000-0x000000000046E000-memory.dmp

memory/2080-156-0x0000000075240000-0x00000000759F0000-memory.dmp

memory/4908-158-0x0000000004C40000-0x0000000004C62000-memory.dmp

memory/4908-160-0x0000000004CE0000-0x0000000004D46000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vk141wxl.aqg.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4908-166-0x0000000005560000-0x00000000055C6000-memory.dmp

memory/4908-171-0x0000000005C10000-0x0000000005C2E000-memory.dmp

memory/4908-172-0x0000000004840000-0x0000000004850000-memory.dmp

memory/4908-173-0x00000000061E0000-0x0000000006212000-memory.dmp

memory/4908-174-0x0000000070FF0000-0x000000007103C000-memory.dmp

memory/4908-184-0x00000000061C0000-0x00000000061DE000-memory.dmp

memory/4908-185-0x00000000075F0000-0x0000000007C6A000-memory.dmp

memory/4908-186-0x0000000006C80000-0x0000000006C9A000-memory.dmp

memory/4908-187-0x0000000006FA0000-0x0000000006FAA000-memory.dmp

memory/4908-188-0x00000000071B0000-0x0000000007246000-memory.dmp

memory/4908-189-0x0000000007160000-0x000000000716E000-memory.dmp

memory/4908-190-0x0000000007270000-0x000000000728A000-memory.dmp

memory/4908-191-0x0000000007250000-0x0000000007258000-memory.dmp

memory/4908-192-0x0000000075240000-0x00000000759F0000-memory.dmp

memory/4908-195-0x0000000075240000-0x00000000759F0000-memory.dmp

memory/4848-196-0x0000000000400000-0x000000000046E000-memory.dmp