MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2799af2efd698da215afc9c88da3b1e84b00137433d9444a5c11d69092b3f80d. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2799af2efd698da215afc9c88da3b1e84b00137433d9444a5c11d69092b3f80d
SHA3-384 hash: 652b420c969aa7e6fa1c27bf31fd668edd53deabfc0e3095dbe4f3dd0f6197176e92ce5b8fa81ab45a131f068e04cb1c
SHA1 hash: 8dcf96155288e48ecde6be6204e1b538a125e6d0
MD5 hash: 39f0c4d63bd63a010b83f0bbe382804f
humanhash: mars-social-six-three
File name:Shipping Documents.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:385'536 bytes
First seen:2021-11-09 06:09:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:OIYxtwZeMKMLoLAQRr4YDS6iYVLp7OPA0gENYKrpoApQ:MwZePSoppDCYvaGEN7VoApQ
TLSH T1F28412725375492BC897077E4C7266D103B8919FEE03E66E8BC4D1BA7E7339228E2741
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/204362/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.18950.6008.20793.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/618a1081175442ca93a8a743/reports/b7c843a3-0fb5-4183-b6cb-6fb8b40cffa8/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4446ca40-5521-45e0-b4d3-443c9a9a8be9
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/885740
Signature
.NET source code contains potential unpacker
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
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 518209 Sample: Shipping Documents.exe Startdate: 09/11/2021 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 10 other signatures 2->43 10 Shipping Documents.exe 3 2->10         started        process3 file4 29 C:\Users\user\...\Shipping Documents.exe.log, ASCII 10->29 dropped 13 Shipping Documents.exe 10->13         started        16 Shipping Documents.exe 10->16         started        process5 signatures6 55 Modifies the context of a thread in another process (thread injection) 13->55 57 Maps a DLL or memory area into another process 13->57 59 Sample uses process hollowing technique 13->59 61 Queues an APC in another process (thread injection) 13->61 18 explorer.exe 13->18 injected process7 dnsIp8 31 myneedyshop.com 192.3.202.210, 49771, 80 SERVER-MANIACA United States 18->31 33 www.4udatabase.online 208.91.197.91, 49778, 80 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 18->33 35 2 other IPs or domains 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 WWAHost.exe 18->22         started        signatures9 process10 signatures11 47 Self deletion via cmd delete 22->47 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process12 process13 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2799af2efd698da215afc9c88da3b1e84b00137433d9444a5c11d69092b3f80d/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-09 06:09:05 UTC
AV detection:
12 of 45 (26.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e6m26lx5ngg2efnpzhei3i5r5bfqae3ugpmuiss4chljbevt7agq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:cs7h rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/211109-gwfshsbfgp/
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
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.vibulous.com/cs7h/
Unpacked files
SH256 hash:
a1e3eb559cd2036e630bf8f4e5b1bf1ff214f732bd9f1fd8a4f6a127fa87a1be
MD5 hash:
343736d86451c440f47d3db7752d3466
SHA1 hash:
a07e530efef4ecfa20d926d5dc209cf53cb3cc34
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/7970fa40-0911-4b00-b6ca-ff6b9f7e3115/
Parent samples :
187a18d0d87c507c103b503bcb7fc1664b4eca3be7b7f89253d3d54544e23f10
2799af2efd698da215afc9c88da3b1e84b00137433d9444a5c11d69092b3f80d
c801beea31cbb90c11586fecba821652f57570bf05831c8b40f469372863e472
0de70a531a130624a57f4ca91f9b5ab254fda6d9302159d79ca2f09c46ceaa06
SH256 hash:
91655863c7906a8d20c7c782144f553c027843a72f2fdab2b1ccc80808083af0
MD5 hash:
b5044dd0e9c91b1a9185d491da7d07f2
SHA1 hash:
a9ff8129771d85f77b6a145f750c70e53f51125e
Link:
https://www.unpac.me/results/7970fa40-0911-4b00-b6ca-ff6b9f7e3115/
SH256 hash:
72813f34319c70c532df28299fab6722ba87c013fadf71651a4e6503de1e8dc6
MD5 hash:
709f9e846bc8d2972029f51eb3132dfd
SHA1 hash:
84efc1f7812897e4d95ba2410e5f9de21bca4dd7
Link:
https://www.unpac.me/results/7970fa40-0911-4b00-b6ca-ff6b9f7e3115/
SH256 hash:
2799af2efd698da215afc9c88da3b1e84b00137433d9444a5c11d69092b3f80d
MD5 hash:
39f0c4d63bd63a010b83f0bbe382804f
SHA1 hash:
8dcf96155288e48ecde6be6204e1b538a125e6d0
Link:
https://www.unpac.me/results/7970fa40-0911-4b00-b6ca-ff6b9f7e3115/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/2799af2efd69/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2799af2efd698da215afc9c88da3b1e84b00137433d9444a5c11d69092b3f80d

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
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 2799af2efd698da215afc9c88da3b1e84b00137433d9444a5c11d69092b3f80d

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/204362/

Comments