Windows
Analysis Report
N4533DWG.exe
Overview
General Information
Sample name: | N4533DWG.exerenamed because original name is a hash value |
Original sample name: | DRAWING SINCO-AUTOMATION-6994745-PURCHASE-ORDER-SINCO-AUTOMATION-PO-322357781-Ref-6421SINCO-AUTOMATION4533DWG.exe |
Analysis ID: | 1634984 |
MD5: | c89d225170bdd6e39192acab2bdf1b59 |
SHA1: | bac19e6f73d20e4c41f593941a1dd3383c0a88f3 |
SHA256: | 3a1312bebcd4b05675432543b45c299f823910f8eb839047537ffc2ec650171a |
Tags: | exeuser-lowmal3 |
Infos: | |
Detection
FormBook
Score: | 100 |
Range: | 0 - 100 |
Confidence: | 100% |
Signatures
Antivirus detection for URL or domain
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Yara detected FormBook
Binary is likely a compiled AutoIt script file
Found direct / indirect Syscall (likely to bypass EDR)
Joe Sandbox ML detected suspicious sample
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Performs DNS queries to domains with low reputation
Query firmware table information (likely to detect VMs)
Queues an APC in another process (thread injection)
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Checks if the current process is being debugged
Contains functionality for execution timing, often used to detect debuggers
Contains functionality for read data from the clipboard
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains functionality to block mouse and keyboard input (often used to hinder debugging)
Contains functionality to call native functions
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to check if a debugger is running (OutputDebugString,GetLastError)
Contains functionality to check if a window is minimized (may be used to check if an application is visible)
Contains functionality to communicate with device drivers
Contains functionality to dynamically determine API calls
Contains functionality to execute programs as a different user
Contains functionality to launch a process as a different user
Contains functionality to launch a program with higher privileges
Contains functionality to modify clipboard data
Contains functionality to open a port and listen for incoming connection (possibly a backdoor)
Contains functionality to query CPU information (cpuid)
Contains functionality to read the PEB
Contains functionality to read the clipboard data
Contains functionality to retrieve information about pressed keystrokes
Contains functionality to shutdown / reboot the system
Contains functionality to simulate keystroke presses
Contains functionality to simulate mouse events
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Creates a process in suspended mode (likely to inject code)
Detected potential crypto function
Extensive use of GetProcAddress (often used to hide API calls)
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found large amount of non-executed APIs
Found potential string decryption / allocating functions
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
OS version to string mapping found (often used in BOTs)
One or more processes crash
Potential key logger detected (key state polling based)
Sample file is different than original file name gathered from version info
Sigma detected: Uncommon Svchost Parent Process
Uses 32bit PE files
Uses code obfuscation techniques (call, push, ret)
Classification
- System is w10x64
N4533DWG.exe (PID: 6360 cmdline:
"C:\Users\ user\Deskt op\N4533DW G.exe" MD5: C89D225170BDD6E39192ACAB2BDF1B59) svchost.exe (PID: 6436 cmdline:
"C:\Users\ user\Deskt op\N4533DW G.exe" MD5: 1ED18311E3DA35942DB37D15FA40CC5B) ICpHO9L5D6CxaaNC.exe (PID: 4804 cmdline:
"C:\Progra m Files (x 86)\nyBGVi fysrTRtKDl sSBFoQIyKg aaIjCgttwC jtetCHKSaB CQVQzymTQz hYRrzuPjYn VtzgAzacUy \jjO36H0I. exe" MD5: 9C98D1A23EFAF1B156A130CEA7D2EE3A) where.exe (PID: 7360 cmdline:
"C:\Window s\SysWOW64 \where.exe " MD5: 5630411B5F4F453CA575248F7AD4C89F) ICpHO9L5D6CxaaNC.exe (PID: 1356 cmdline:
"C:\Progra m Files (x 86)\nyBGVi fysrTRtKDl sSBFoQIyKg aaIjCgttwC jtetCHKSaB CQVQzymTQz hYRrzuPjYn VtzgAzacUy \IQoRtFw8. exe" MD5: 9C98D1A23EFAF1B156A130CEA7D2EE3A) firefox.exe (PID: 7488 cmdline:
"C:\Progra m Files\Mo zilla Fire fox\Firefo x.exe" MD5: C86B1BE9ED6496FE0E0CBE73F81D8045) explorer.exe (PID: 7792 cmdline:
"C:\Window s\explorer .exe" MD5: 662F4F92FDE3557E86D110526BB578D5)
explorer.exe (PID: 7808 cmdline:
explorer.e xe MD5: 662F4F92FDE3557E86D110526BB578D5) WerFault.exe (PID: 4508 cmdline:
C:\Windows \system32\ WerFault.e xe -u -p 7 808 -s 881 6 MD5: FD27D9F6D02763BDE32511B5DF7FF7A0)
rundll32.exe (PID: 8124 cmdline:
C:\Windows \System32\ rundll32.e xe shell32 .dll,SHCre ateLocalSe rverRunDll {9BA05972 -F6A8-11CF -A442-00A0 C90A8F39} -Embedding MD5: EF3179D498793BF4234F708D3BE28633)
explorer.exe (PID: 7452 cmdline:
explorer.e xe MD5: 662F4F92FDE3557E86D110526BB578D5) WerFault.exe (PID: 6228 cmdline:
C:\Windows \system32\ WerFault.e xe -u -p 7 452 -s 782 0 MD5: FD27D9F6D02763BDE32511B5DF7FF7A0)
explorer.exe (PID: 7540 cmdline:
explorer.e xe MD5: 662F4F92FDE3557E86D110526BB578D5)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
Formbook, Formbo | FormBook contains a unique crypter RunPE that has unique behavioral patterns subject to detection. It was initially called "Babushka Crypter" by Insidemalware. |
⊘No configs have been found
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
Click to see the 3 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security | ||
JoeSecurity_FormBook_1 | Yara detected FormBook | Joe Security |
System Summary |
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Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: vburov: |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
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2025-03-11T08:50:18.864952+0100 | 2050745 | 1 | Malware Command and Control Activity Detected | 192.168.2.6 | 49696 | 13.248.169.48 | 80 | TCP |
2025-03-11T08:50:43.188699+0100 | 2050745 | 1 | Malware Command and Control Activity Detected | 192.168.2.6 | 49702 | 216.40.34.41 | 80 | TCP |
2025-03-11T08:50:56.577139+0100 | 2050745 | 1 | Malware Command and Control Activity Detected | 192.168.2.6 | 49707 | 199.59.243.228 | 80 | TCP |
2025-03-11T08:51:09.913695+0100 | 2050745 | 1 | Malware Command and Control Activity Detected | 192.168.2.6 | 49711 | 203.161.42.73 | 80 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2025-03-11T08:50:18.864952+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.6 | 49696 | 13.248.169.48 | 80 | TCP |
2025-03-11T08:50:43.188699+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.6 | 49702 | 216.40.34.41 | 80 | TCP |
2025-03-11T08:50:56.577139+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.6 | 49707 | 199.59.243.228 | 80 | TCP |
2025-03-11T08:51:09.913695+0100 | 2855465 | 1 | A Network Trojan was detected | 192.168.2.6 | 49711 | 203.161.42.73 | 80 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2025-03-11T08:50:34.716638+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.6 | 49699 | 216.40.34.41 | 80 | TCP |
2025-03-11T08:50:37.329173+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.6 | 49700 | 216.40.34.41 | 80 | TCP |
2025-03-11T08:50:40.611654+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.6 | 49701 | 216.40.34.41 | 80 | TCP |
2025-03-11T08:50:48.765843+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.6 | 49703 | 199.59.243.228 | 80 | TCP |
2025-03-11T08:50:51.419004+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.6 | 49704 | 199.59.243.228 | 80 | TCP |
2025-03-11T08:50:53.963768+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.6 | 49706 | 199.59.243.228 | 80 | TCP |
2025-03-11T08:51:02.294876+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.6 | 49708 | 203.161.42.73 | 80 | TCP |
2025-03-11T08:51:04.774367+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.6 | 49709 | 203.161.42.73 | 80 | TCP |
2025-03-11T08:51:07.346009+0100 | 2855464 | 1 | A Network Trojan was detected | 192.168.2.6 | 49710 | 203.161.42.73 | 80 | TCP |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Avira URL Cloud: |
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Source: | Code function: | 0_2_0037449B | |
Source: | Code function: | 0_2_0037C75D | |
Source: | Code function: | 0_2_0037C7E8 | |
Source: | Code function: | 0_2_0037F021 | |
Source: | Code function: | 0_2_0037F17E | |
Source: | Code function: | 0_2_0037F47F | |
Source: | Code function: | 0_2_00373833 | |
Source: | Code function: | 0_2_00373B56 | |
Source: | Code function: | 0_2_0037BD48 |
Networking |
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Source: | Code function: | 0_2_00382404 |
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