MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 270a0a95da5386f44380b01b05fb959cecd47820eb36137a0e60c53cfe7df1f6. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
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SHA256 hash: 270a0a95da5386f44380b01b05fb959cecd47820eb36137a0e60c53cfe7df1f6
SHA3-384 hash: e2b71324bb7e846396e0b9de9aa93cd11b840170347a8202bca3dd3bfe6c484cf86b452fc0690c8a4eb101fd906883fe
SHA1 hash: 6190b5b8a8dcd3d0d78fe813f5a639153b5a1464
MD5 hash: 509f2ea27a2e574655240c1dce96fe9d
humanhash: floor-november-steak-beer
File name:Proforma Invoice.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:715'264 bytes
First seen:2021-09-02 00:17:05 UTC
Last seen:2021-09-05 08:42:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:TgBD8x9ojLRR21FJLgGEqv8gEzLH2HAk+rP8qgHtt9aaf/Nmd1d8i0DGi44dm3rq:TgBD8g8v8gE/pk+Ab30MNmdg3ldO1
Threatray 7'678 similar samples on MalwareBazaar
TLSH T139E42C3E18FE23279176C7D5CBE18823F6D498AF3233A96467D743664316A4674C322E
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
232
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Proforma Invoice.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-09-02 00:18:02 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/31d4bd5f-8415-4631-ab40-bf72905c114d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/184603/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/45da0fd1-29fa-41b8-89fb-80f872953460
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/843708
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
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
Sigma detected: Suspicious Double Extension
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 an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 476139 Sample: Proforma Invoice.pdf.exe Startdate: 02/09/2021 Architecture: WINDOWS Score: 100 33 www.doglai.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 12 other signatures 2->47 11 Proforma Invoice.pdf.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\...\Proforma Invoice.pdf.exe.log, ASCII 11->31 dropped 59 Injects a PE file into a foreign processes 11->59 15 Proforma Invoice.pdf.exe 11->15         started        18 Proforma Invoice.pdf.exe 11->18         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 20 explorer.exe 15->20 injected process9 dnsIp10 35 www.1upshopandstuff.com 20->35 37 www.1upshopandstuff.com 91.195.240.117, 49725, 80 SEDO-ASDE Germany 20->37 39 13 other IPs or domains 20->39 49 System process connects to network (likely due to code injection or exploit) 20->49 24 cmd.exe 20->24         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 24->51 53 Modifies the context of a thread in another process (thread injection) 24->53 55 Maps a DLL or memory area into another process 24->55 57 Tries to detect virtualization through RDTSC time measurements 24->57 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/270a0a95da5386f44380b01b05fb959cecd47820eb36137a0e60c53cfe7df1f6/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-01 22:33:55 UTC
AV detection:
12 of 28 (42.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=e4favfo2kodpiq4awanql64vttwni6ba5m3bg6qomdctz7t56h3a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
15500244e3dc1de0b63b0b8342380ae569510f3b932ae3c3ce8096bc7c1161ee
Formbook
169a316f9557b3a154c1cbc1ab4aae2b690d71fd197ff39ac77e58c7e7db4196
Formbook
5823174ff78f251ac5b1b8cd1e1727aaa72f8523aa1aace4b59c9ef549d22148
Formbook
5c6fbba6c71e8f32179d03a591f729e7ee5dbdaf9f89b1c476f01586625035ab
Formbook
72362ee916d9697bac201fb3de3c8c736725e4c35c0cab9adb7fd5f184e9b2e1
Formbook
732d6097dbd7e3dea8d83a0261e0d834430a56119b278e3fb38b15c27147bf7f
Formbook
b79585519703d2f90872de1698c5b9bf03dd63ff3d63897da2f5af3e26af076c
Formbook
e188030a6e62811cb9b70788732d04e339e1396c2d546362fa2b47ac572c9fc6
Formbook
+ 7'668 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:gm9w loader rat
Link:
https://tria.ge/reports/210902-9wccwdpnqs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.activepurelawsuit.com/gm9w/
Unpacked files
SH256 hash:
54577a3f0632943e747869f5eb9ec0cedbead07e53ec5b015c581b15b7acb5cb
MD5 hash:
53bf1127c74326d3e35f42dbbf6c4d5a
SHA1 hash:
ac0515905b02d4cfb7427e5fc75be5e08d9b33d6
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/539111b6-c78e-445f-9da7-2c36a4149498/
Parent samples :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 hash:
9a569be1313734a7a5657149f890204e1246833e80ac0e45c15b9ebc972cfa99
MD5 hash:
db1ca79a10eb8debc020653b67a41ed4
SHA1 hash:
c9aff868749946879d85e0c75c11a085d3c244c2
Link:
https://www.unpac.me/results/539111b6-c78e-445f-9da7-2c36a4149498/
SH256 hash:
4c427f8c3666c4bfa1cd7186e9d134929587eda7c18a6a10405ebba935cdc943
MD5 hash:
c3a8fb0b85f028e4fd92d2ab7e2212ec
SHA1 hash:
57b4db9cc3e1e9e3a7f93240390adc15e8884fc3
Link:
https://www.unpac.me/results/539111b6-c78e-445f-9da7-2c36a4149498/
SH256 hash:
270a0a95da5386f44380b01b05fb959cecd47820eb36137a0e60c53cfe7df1f6
MD5 hash:
509f2ea27a2e574655240c1dce96fe9d
SHA1 hash:
6190b5b8a8dcd3d0d78fe813f5a639153b5a1464
Link:
https://www.unpac.me/results/539111b6-c78e-445f-9da7-2c36a4149498/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/270a0a95da53/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/270a0a95da5386f44380b01b05fb959cecd47820eb36137a0e60c53cfe7df1f6

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 270a0a95da5386f44380b01b05fb959cecd47820eb36137a0e60c53cfe7df1f6

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/184603/

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