MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1a04015ced59584115a625dd19ee394005f911b108864b0bd834163d9c35181. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Formbook


Vendor detections: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: b1a04015ced59584115a625dd19ee394005f911b108864b0bd834163d9c35181
SHA3-384 hash: 40b7bfeec07b577ccbcac9d64074703ab61b2542b04ba0c0484d8bfef3806337f69b40a51a1d68f0d8cb3947158299ec
SHA1 hash: 3a2951a74e6becf5d6ce1532542013e56509bb60
MD5 hash: 491066406db17e15ba0856060cad6f53
humanhash: foxtrot-four-network-summer
File name:NUEVA ORDEN DE COMPRA.exe
Download: download sample
Signature Formbook
File size:1'096'704 bytes
First seen:2022-11-01 01:57:02 UTC
Last seen:2022-11-02 22:13:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:U+5owG3Z6UiGwas1dxk8ibzwhuJ3zps7FtdfmgHSvyUQ/v2FC/U/X0Mnw2gvJZ:U8Gw7dxkwuJNs7Zfm0SK9HH/U/0rvT
Threatray 16'204 similar samples on MalwareBazaar
TLSH T15A35E0E1F653C401E4D53332C5A6FB242774AEF595A2C70EB0C12B95380336BAD5A7AB
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 4ce8a6766981cccc (11 x Formbook, 5 x SnakeKeylogger, 3 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
370
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
NUEVA ORDEN DE COMPRA.exe
Verdict:
Malicious activity
Analysis date:
2022-11-01 01:58:55 UTC
Tags:
formbook trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 734842 Sample: NUEVA ORDEN DE COMPRA.exe Startdate: 01/11/2022 Architecture: WINDOWS Score: 100 68 Snort IDS alert for network traffic 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus detection for URL or domain 2->72 74 11 other signatures 2->74 10 NUEVA ORDEN DE COMPRA.exe 7 2->10         started        14 QvCnhnqjS.exe 5 2->14         started        process3 file4 48 C:\Users\user\AppData\Roaming\QvCnhnqjS.exe, PE32 10->48 dropped 50 C:\Users\...\QvCnhnqjS.exe:Zone.Identifier, ASCII 10->50 dropped 52 C:\Users\user\AppData\Local\...\tmp611F.tmp, XML 10->52 dropped 54 C:\Users\...54UEVA ORDEN DE COMPRA.exe.log, CSV 10->54 dropped 82 Writes to foreign memory regions 10->82 84 Allocates memory in foreign processes 10->84 86 Adds a directory exclusion to Windows Defender 10->86 16 RegSvcs.exe 10->16         started        19 powershell.exe 20 10->19         started        21 schtasks.exe 1 10->21         started        88 Multi AV Scanner detection for dropped file 14->88 90 Machine Learning detection for dropped file 14->90 92 Injects a PE file into a foreign processes 14->92 23 RegSvcs.exe 14->23         started        25 schtasks.exe 1 14->25         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 16->60 62 Maps a DLL or memory area into another process 16->62 64 Sample uses process hollowing technique 16->64 66 2 other signatures 16->66 27 explorer.exe 16->27 injected 31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 25->35         started        process8 dnsIp9 56 www.lanyuelou.com 8.130.101.174, 49699, 80 CNNIC-ALIBABA-CN-NET-APHangzhouAlibabaAdvertisingCoLtd Singapore 27->56 58 www.listcord.net 27->58 94 System process connects to network (likely due to code injection or exploit) 27->94 37 svchost.exe 27->37         started        40 chkdsk.exe 27->40         started        42 autoconv.exe 27->42         started        signatures10 process11 signatures12 76 Modifies the context of a thread in another process (thread injection) 37->76 78 Maps a DLL or memory area into another process 37->78 80 Tries to detect virtualization through RDTSC time measurements 37->80 44 cmd.exe 1 37->44         started        process13 process14 46 conhost.exe 44->46         started       
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2022-10-31 12:41:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
39
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:de19 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
15d73a776fe344c81d89f8c1403a88694e798a4698997b7e71ff8cd285043e5e
MD5 hash:
30f4d7c4a68786ee7add65357696b171
SHA1 hash:
f1dc5ea4551456140bda5f1be92ea156260cab2f
SH256 hash:
4ee048fec9ee03950606591e0119d904a0b73fddd0e96c455070391dfa5ebbf1
MD5 hash:
e78346573de67489c4ced38da58a7d51
SHA1 hash:
e5a624ae97881e8e994035bbd4103bc5847154c8
SH256 hash:
22cbc90e8c14250682629ad9ebc5c9e0552fb539f258937fda10bf3e03755e7a
MD5 hash:
238d827387016fa0d0d41479218464c7
SHA1 hash:
a2865234163345514bdc0fe0060a5eb4cc029df2
SH256 hash:
7f272c4db499b1501a5ea1711d23de0e6a0c07faf16275e9b01722dae889c7c9
MD5 hash:
dd8b9511dda8eb7c84e1621046828883
SHA1 hash:
7f715270ffcadcba5c3148d2a0cecfaaf6c2e805
SH256 hash:
b1a04015ced59584115a625dd19ee394005f911b108864b0bd834163d9c35181
MD5 hash:
491066406db17e15ba0856060cad6f53
SHA1 hash:
3a2951a74e6becf5d6ce1532542013e56509bb60
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe b1a04015ced59584115a625dd19ee394005f911b108864b0bd834163d9c35181

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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