MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1183b3a9d994c115c78d3d865d5f320340293dbc365e9a6984428fcb033a145a. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments

SHA256 hash: 1183b3a9d994c115c78d3d865d5f320340293dbc365e9a6984428fcb033a145a
SHA3-384 hash: e5e554a921f9b160a13f200da97a877249e6b01fbc8861d843ba1058d8c8656d7284275910b914ffe4d52636961855df
SHA1 hash: ceaad924cb52ecdeaa23ee40ea6a8656319f5ac8
MD5 hash: 43d04376efa090d27801728a89e800e0
humanhash: bakerloo-seven-kitten-william
File name:Shipping Documents.exe
Download: download sample
Signature Formbook
File size:468'480 bytes
First seen:2021-11-23 07:04:50 UTC
Last seen:2021-11-23 08:54:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:rPjJRysOCw0C/M3z6Zio125Uz8mHXN5pPYY2f4tcLyFoEy0/ZlheUVKYYtrDn0O6:rNRtOC3zAA5Uz80pPDcWVeC8tD00
Threatray 11'482 similar samples on MalwareBazaar
TLSH T18CA4F1A03799F397CD654F741D78C0C6133276023A04C72DA9D972CE2A22B165B63BBB
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Shipping Documents.exe
Verdict:
Malicious activity
Analysis date:
2021-11-23 07:06:26 UTC
Tags:
trojan formbook stealer

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

Behaviour
Creating a window
DNS request
Sending a custom TCP request
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
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated 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.
Malware family:
Malicious Packer
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Self deletion via cmd delete
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 526928 Sample: Shipping Documents.exe Startdate: 23/11/2021 Architecture: WINDOWS Score: 100 49 www.jetstream-pr.com 2->49 59 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->59 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 16 other signatures 2->65 11 Shipping Documents.exe 7 2->11         started        signatures3 process4 file5 41 C:\Users\user\AppData\...\ADTLwYHWTAsw.exe, PE32 11->41 dropped 43 C:\Users\...\ADTLwYHWTAsw.exe:Zone.Identifier, ASCII 11->43 dropped 45 C:\Users\user\AppData\Local\...\tmpEE9E.tmp, XML 11->45 dropped 47 C:\Users\user\...\Shipping Documents.exe.log, ASCII 11->47 dropped 69 Adds a directory exclusion to Windows Defender 11->69 71 Injects a PE file into a foreign processes 11->71 15 Shipping Documents.exe 11->15         started        18 powershell.exe 25 11->18         started        20 schtasks.exe 1 11->20         started        22 Shipping Documents.exe 11->22         started        signatures6 process7 signatures8 73 Modifies the context of a thread in another process (thread injection) 15->73 75 Maps a DLL or memory area into another process 15->75 77 Sample uses process hollowing technique 15->77 79 Queues an APC in another process (thread injection) 15->79 24 explorer.exe 15->24 injected 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        process9 dnsIp10 51 www.mistressflorarevel.com 172.247.34.213, 49766, 80 ZNETUS United States 24->51 67 System process connects to network (likely due to code injection or exploit) 24->67 32 msiexec.exe 24->32         started        35 autofmt.exe 24->35         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 32->53 55 Modifies the context of a thread in another process (thread injection) 32->55 57 Maps a DLL or memory area into another process 32->57 37 cmd.exe 1 32->37         started        process14 process15 39 conhost.exe 37->39         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-23 06:01:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:p3mp rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
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
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.redrebelsbaseball.com/p3mp/
Unpacked files
SH256 hash:
f30ca642597c059f9dbcc6cfea27687245fbcaf5456be0b7a4528d946f3a0a05
MD5 hash:
0f6349011cf5446131faf0cadbace87b
SHA1 hash:
0cd48b5cb5a0ca095043c333c9002ba5273e92e8
SH256 hash:
efb20b44bcd84b679df910152a1069d63e693410c59f8c7b4f0b330384996413
MD5 hash:
eb8d78ad9c358ebf6229725bc615bb25
SHA1 hash:
00f0548d3ace1e30f92daa3b9131e5494fb8d7a9
SH256 hash:
1183b3a9d994c115c78d3d865d5f320340293dbc365e9a6984428fcb033a145a
MD5 hash:
43d04376efa090d27801728a89e800e0
SHA1 hash:
ceaad924cb52ecdeaa23ee40ea6a8656319f5ac8
Malware family:
FormBook
Verdict:
Malicious
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
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 1183b3a9d994c115c78d3d865d5f320340293dbc365e9a6984428fcb033a145a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments