MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f49a87b9fa0e2e84273ad690ffe6d7548d7ed13a595fd4addf7c6211b0eb5108. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f49a87b9fa0e2e84273ad690ffe6d7548d7ed13a595fd4addf7c6211b0eb5108
SHA3-384 hash: e9599cea255ddccbad9239983cd508fbb706896bd306b097a7745b79a52020bd6c509b1d4ad2caaf9c9901e9d3e45bd4
SHA1 hash: 2383fe2e296a1f28deb600cfeadb0a3fa18856f3
MD5 hash: 53213cdc9809c6debebe6400a4d1a891
humanhash: autumn-september-island-spring
File name:TNT Documents.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:390'656 bytes
First seen:2021-11-25 17:07:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:tdu3v3Ur+0zBbMStodHnsU/IvlLhGj+bTmHlBfJ5HCoTPtUm84YMfN:tdu3Pm+0zRopB8Gj+b0trioTXfN
Threatray 11'893 similar samples on MalwareBazaar
TLSH T18F84235677D8847BCAA9097405B3810213F5F8FBA05BFF59EECB52F2425BA481A083F5
Reporter abuse_ch
Tags:exe FormBook TNT

Intelligence

File Origin
# of uploads :
1
# of downloads :
168
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TNT Documents.exe
Verdict:
Malicious activity
Analysis date:
2021-11-25 17:55:14 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/a794d1ff-40be-42b4-9f06-59954d45192e

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
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/619fc2f602c80febc2a95a23/reports/ff738701-f74a-46c2-8c3f-8e9b94eb3dde/overview
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/58fae869-781d-4765-9997-9c351a89c18b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/896296
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
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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: 528770 Sample: TNT Documents.exe Startdate: 25/11/2021 Architecture: WINDOWS Score: 100 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 9 other signatures 2->48 9 TNT Documents.exe 3 2->9         started        process3 file4 30 C:\Users\user\...\TNT Documents.exe.log, ASCII 9->30 dropped 50 Injects a PE file into a foreign processes 9->50 13 TNT Documents.exe 9->13         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 13->52 54 Maps a DLL or memory area into another process 13->54 56 Sample uses process hollowing technique 13->56 58 Queues an APC in another process (thread injection) 13->58 16 msdt.exe 13->16         started        19 explorer.exe 13->19 injected 21 autoconv.exe 13->21         started        process8 signatures9 34 Self deletion via cmd delete 16->34 36 Modifies the context of a thread in another process (thread injection) 16->36 38 Maps a DLL or memory area into another process 16->38 40 Tries to detect virtualization through RDTSC time measurements 16->40 23 explorer.exe 1 145 16->23         started        26 cmd.exe 1 16->26         started        process10 dnsIp11 32 192.168.2.1 unknown unknown 23->32 28 conhost.exe 26->28         started        process12
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f49a87b9fa0e2e84273ad690ffe6d7548d7ed13a595fd4addf7c6211b0eb5108/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-25 06:49:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6snipop2byxiijz222ip7zwxksgx5uj2lfp5jlo7prrbdmhlkeea._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
02770b935248ab8dc915413f9d9fc3090749bda9ed3185df7a8c253a76f8253f
Formbook
5c6bb4be3e5abfc077f779645b07502ad3f9357fa3c486db79d0a2fb4f470527
Formbook
5d407049f81d3b75bf2d9eb7dc14662f533b1ca37d283e5ef50e001a7ac1f758
Formbook
86df15ac78abc1d224a4249db72d29dcb2979fd0669a15c0d291e47648dc0c1c
Formbook
945e623b814b647326ed96bc5be37010053fdc50f9dce11d96e408c22a8afd4a
Formbook
99889ef9126eddb7fee40e181c9832c734f8cef74736e2c577438300b468751c
Formbook
b3bc74c1f3673da08a95775af5f39dd116a249d8a7e597fcd8bb56e07ae3bcd2
Formbook
bec65782844355875f88723419b44dc543ba07b83c8a339036f79e39364493c6
Formbook
d559f37dbda95ac2f2e50388cae80a4ee30c81216b644f65ecf4c1ceb87a0b5a
Formbook
+ 11'883 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:how6 loader rat
Link:
https://tria.ge/reports/211125-vnj2vsbcb9/
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
Malware Config
C2 Extraction:
http://www.floridanratraining.com/how6/
Unpacked files
SH256 hash:
1fc40766b89855ea63ffaf0f87950c8e2f475e760147315931fc63398e92b5be
MD5 hash:
14d8e65d89362eaf13433c91558d97ce
SHA1 hash:
af2ea108699738bd1e10b88f7b9cd804fe75a3a8
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/85262f81-22cb-41c1-8695-075a57c5576a/
Parent samples :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 hash:
ffb27cdda9539999b3e087346cfb9761ddf71cffe78982f5aaa7c60ee3fb4c92
MD5 hash:
9221a1ff4994eb8e8a2facc9592d1ad5
SHA1 hash:
4d193db0c5d2a3113c4b1947431eaf7fde97aff2
Link:
https://www.unpac.me/results/85262f81-22cb-41c1-8695-075a57c5576a/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/85262f81-22cb-41c1-8695-075a57c5576a/
SH256 hash:
f49a87b9fa0e2e84273ad690ffe6d7548d7ed13a595fd4addf7c6211b0eb5108
MD5 hash:
53213cdc9809c6debebe6400a4d1a891
SHA1 hash:
2383fe2e296a1f28deb600cfeadb0a3fa18856f3
Link:
https://www.unpac.me/results/85262f81-22cb-41c1-8695-075a57c5576a/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/f49a87b9fa0e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
Link:
https://yomi.yoroi.company/submissions/f49a87b9fa0e2e84273ad690ffe6d7548d7ed13a595fd4addf7c6211b0eb5108

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
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 f49a87b9fa0e2e84273ad690ffe6d7548d7ed13a595fd4addf7c6211b0eb5108

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/209440/

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