MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03674981113e278ddd535c0c2f1be91ab6f65533a3cd69efd7a0e5ff9eb1957d. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: 03674981113e278ddd535c0c2f1be91ab6f65533a3cd69efd7a0e5ff9eb1957d
SHA3-384 hash: 97a09b4ed392d719990c03d4e0f0ffd70de9240e7750492d2b7329449fb652e51c408ac1166360f711a81e36b40d95e2
SHA1 hash: e16ff24043ec4ca2b8833813f19e66017a66fa98
MD5 hash: 8c3031f9bc570bea73ce35e8b62719e9
humanhash: cold-bluebird-solar-oxygen
File name:PURCHASE ORDER 19072022 19072022 125432.exe
Download: download sample
Signature Formbook
File size:823'808 bytes
First seen:2022-07-19 05:18:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:LT8NzB0WY09b2gb3IU3C2WTvdwGTX5Ssza/ZF9RQyjcZN7A5hInTaFlSNS:n8Nl0yd9ShdwGrUsza/Z+/Ih0TaQS
TLSH T1E005F125B6B7CD42D16C17B6C4E2440407B1AB466423D79F2EC532E71E227CB89C6FAB
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)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
274
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed wacatac
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
Antivirus detection for URL or domain
C2 URLs / IPs found in 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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 668756 Sample: PURCHASE ORDER 19072022 190... Startdate: 19/07/2022 Architecture: WINDOWS Score: 100 48 www.coachraerae.com 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 Multi AV Scanner detection for dropped file 2->54 56 14 other signatures 2->56 11 PURCHASE ORDER 19072022 19072022 125432.exe 7 2->11         started        signatures3 process4 file5 40 C:\Users\user\AppData\...\jLvCYlopZKPkcs.exe, PE32 11->40 dropped 42 C:\...\jLvCYlopZKPkcs.exe:Zone.Identifier, ASCII 11->42 dropped 44 C:\Users\user\AppData\Local\...\tmpCA38.tmp, XML 11->44 dropped 46 PURCHASE ORDER 190...2022 125432.exe.log, ASCII 11->46 dropped 60 Adds a directory exclusion to Windows Defender 11->60 62 Injects a PE file into a foreign processes 11->62 15 PURCHASE ORDER 19072022 19072022 125432.exe 11->15         started        18 powershell.exe 25 11->18         started        20 schtasks.exe 1 11->20         started        22 svchost.exe 1 11->22         started        signatures6 process7 signatures8 64 Modifies the context of a thread in another process (thread injection) 15->64 66 Maps a DLL or memory area into another process 15->66 68 Sample uses process hollowing technique 15->68 70 Queues an APC in another process (thread injection) 15->70 24 explorer.exe 15->24 injected 27 conhost.exe 18->27         started        29 conhost.exe 20->29         started        process9 signatures10 58 Uses netstat to query active network connections and open ports 24->58 31 NETSTAT.EXE 24->31         started        process11 signatures12 72 Modifies the context of a thread in another process (thread injection) 31->72 74 Maps a DLL or memory area into another process 31->74 76 Tries to detect virtualization through RDTSC time measurements 31->76 34 cmd.exe 1 31->34         started        36 conhost.exe 31->36         started        process13 process14 38 conhost.exe 34->38         started       
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-07-19 04:31:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
51
AV detection:
26 of 39 (66.67%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:jr04 rat spyware stealer suricata trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
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
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
SH256 hash:
494da77727244a412597d8725a09f1bc2f8bae2ccced19daf7f5c6ec1998b573
MD5 hash:
8c660cf4fa2896eb2bba1f35cf24c6c9
SHA1 hash:
9f121468e6dce66013d1a6b06f3f92843b4be62a
SH256 hash:
781c78f48dc35cb66432bd1826965cc59fb100d4d12c04432a2c92361f8364c3
MD5 hash:
4bfe50310c7b0dd87da13cc6109f0190
SHA1 hash:
2e3cfcf114927e004ea7788b29e5dc45c5f9e246
SH256 hash:
671d4964c2d08130a307ef29809c991d495bab5a0bbcfd3816f1a3ff4cbd8ca8
MD5 hash:
b68df7a6ab7f3bc003f2d045058fc1d7
SHA1 hash:
2824749a9978963d7a0f539b7feaa42341da9d7e
SH256 hash:
03674981113e278ddd535c0c2f1be91ab6f65533a3cd69efd7a0e5ff9eb1957d
MD5 hash:
8c3031f9bc570bea73ce35e8b62719e9
SHA1 hash:
e16ff24043ec4ca2b8833813f19e66017a66fa98
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 03674981113e278ddd535c0c2f1be91ab6f65533a3cd69efd7a0e5ff9eb1957d

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments