MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc1b641ded95e09ee28144b98ac38dd352f7a32ae47e9ccb1ea3a7f2e32372e3. 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: bc1b641ded95e09ee28144b98ac38dd352f7a32ae47e9ccb1ea3a7f2e32372e3
SHA3-384 hash: 835f1e940a6af79b2e01b1f5990b826e4649794f0415f27955266d1687358b5cfb4b93fe1c470e7c709b96c3dea58435
SHA1 hash: 4aa1a9b9a8f6402778f703cee6eea8813d3af97e
MD5 hash: 140938bb2157abaefd647925dc569e13
humanhash: table-michigan-triple-river
File name:Überarbeitete Rechnung Nr. 0047152.exe
Download: download sample
Signature Formbook
File size:600'064 bytes
First seen:2022-06-13 08:45:43 UTC
Last seen:2022-06-13 11:23:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:axBafvIK2iNq2iNq2iNq2iNUCQGMZ0PgWF0eF5Qgpqy09MG9bRgo9LGK:aqf51I1I1I1dQGMZ04WDQsVl0FgAGK
TLSH T163D4E0C5D3A7FE79F02862B37510D01C27A8461E81E1D43A5EADB18E34B2B4716F5E2B
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
251
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Überarbeitete Rechnung Nr. 0047152.exe
Verdict:
Malicious activity
Analysis date:
2022-06-13 10:05:08 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
Creating a window
Creating a process from a recently created file
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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
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 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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 644355 Sample: #U00dcberarbeitete Rechnung... Startdate: 13/06/2022 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Multi AV Scanner detection for domain / URL 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 9 other signatures 2->42 10 #U00dcberarbeitete Rechnung Nr. 0047152.exe 3 2->10         started        process3 file4 28 #U00dcberarbeitete...Nr. 0047152.exe.log, ASCII 10->28 dropped 52 Injects a PE file into a foreign processes 10->52 14 #U00dcberarbeitete Rechnung Nr. 0047152.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.slabiesplin.quest 37.123.118.150, 80 UK2NET-ASGB United Kingdom 17->30 32 armc0r.com 198.54.126.242, 49781, 80 NAMECHEAP-NETUS United States 17->32 34 5 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 WWAHost.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-13 08:31:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:ceah loader rat suricata
Behaviour
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
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
30845bdf97c00de3606763ce3ca8c2450db19533d6b21dd915c74e2f680f4ab6
MD5 hash:
474873b412e9f3a54c94b583c6cded3a
SHA1 hash:
6d235e36386421a7faef4e26dd57c40947313ea6
SH256 hash:
6c273dc4400d50718c25c0403d98f81134eca1f0ec715c67f897c5f452f96ab5
MD5 hash:
6a1b303851c23d518f418901f34fb568
SHA1 hash:
3bba4e6a582fdd57675684d33e60c89d16138b1b
SH256 hash:
dec15271d422cf3b82c0a94cf147312bb5a4a4f262da4b698ffe7e6bdaf18053
MD5 hash:
79c5c39e29ebe233cd13a50987e64609
SHA1 hash:
0560314716e6519158009159c017d2b52116608e
SH256 hash:
bc1b641ded95e09ee28144b98ac38dd352f7a32ae47e9ccb1ea3a7f2e32372e3
MD5 hash:
140938bb2157abaefd647925dc569e13
SHA1 hash:
4aa1a9b9a8f6402778f703cee6eea8813d3af97e
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 bc1b641ded95e09ee28144b98ac38dd352f7a32ae47e9ccb1ea3a7f2e32372e3

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments