MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5f438857e1d75cd3a0c7c8d8fde494ec31705db16f19e3d026d9f09e503fbf5. 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 3 File information Comments
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SHA256 hash: f5f438857e1d75cd3a0c7c8d8fde494ec31705db16f19e3d026d9f09e503fbf5
SHA3-384 hash: b6ed2af53d300f4fc50634296871d9cfd3e0320f132822e9f3b92aae690841c42cdaffd4c097a7d8776d97a14995d60b
SHA1 hash: 7b3e167a838b09e52af62ba99c0702a150ea6f94
MD5 hash: ae60fb877b44fb7cae71fb5f57207aa0
humanhash: island-monkey-foxtrot-bakerloo
File name:P.O Contract #007676.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:871'424 bytes
First seen:2021-08-05 13:06:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:ioR6qgmswwE1p80qdg1+81OM8fEj1zUgSLFWPZy2:hsKbY0qds+sOI1IguFuy
Threatray 4'512 similar samples on MalwareBazaar
TLSH T1F8057C2229EB059DF3B29B764FC4F8BF56EEE573570AB0B638910B464322940CD61736
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
285
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
P.O Contract #007676.exe
Verdict:
Malicious activity
Analysis date:
2021-08-05 13:12:14 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/37eecddb-1db9-4fa6-bba5-9bc14cf9f73a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/176652/
Detection(s):
SecuriteInfo.com.Backdoor.Fynloski.A3.4075.5139.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
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/44ac297a-d3a4-419f-a90e-3f8dad561324
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/827592
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Process Start Without DLL
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 460022 Sample: P.O Contract #007676.exe Startdate: 05/08/2021 Architecture: WINDOWS Score: 100 42 www.5fashionfix.net 2->42 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 10 other signatures 2->58 11 P.O Contract #007676.exe 7 2->11         started        signatures3 process4 file5 34 C:\Users\user\AppData\Roaming\disAYv.exe, PE32 11->34 dropped 36 C:\Users\user\...\disAYv.exe:Zone.Identifier, ASCII 11->36 dropped 38 C:\Users\user\AppData\Local\...\tmp8924.tmp, XML 11->38 dropped 40 C:\Users\...\P.O Contract #007676.exe.log, ASCII 11->40 dropped 70 Writes to foreign memory regions 11->70 72 Injects a PE file into a foreign processes 11->72 15 RegSvcs.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 74 Modifies the context of a thread in another process (thread injection) 15->74 76 Maps a DLL or memory area into another process 15->76 78 Sample uses process hollowing technique 15->78 80 2 other signatures 15->80 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 44 www.braun-mathematik.online 217.160.0.129, 49755, 80 ONEANDONE-ASBrauerstrasse48DE Germany 20->44 46 pugliaandgastronomy.com 66.235.200.147, 49746, 80 CLOUDFLARENETUS United States 20->46 48 5 other IPs or domains 20->48 60 System process connects to network (likely due to code injection or exploit) 20->60 62 Performs DNS queries to domains with low reputation 20->62 26 control.exe 12 20->26         started        signatures11 process12 dnsIp13 50 www.oneninelacrosse.com 26->50 64 Modifies the context of a thread in another process (thread injection) 26->64 66 Maps a DLL or memory area into another process 26->66 68 Tries to detect virtualization through RDTSC time measurements 26->68 30 cmd.exe 1 26->30         started        signatures14 process15 process16 32 conhost.exe 30->32         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f5f438857e1d75cd3a0c7c8d8fde494ec31705db16f19e3d026d9f09e503fbf5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-05 12:37:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
18 of 27 (66.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6x2drbl6dv242oqmpsgy7xsjj3brobo3c3yz4picnwpqtzid7p2q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
090bc9b1aab3f3efacd0afb55b204001290e87aaf9ddd526e298877b0eb6f416
Formbook
6137b2968c98b110deef11d69b037a5d541b39b930628d12881b6daa5bdb9bb4
Formbook
84f6beeecfc24544df0a59c7b7f0961c44d835f95f23289dac5730decc2d4957
Formbook
a086821049463b0bfc414cb3763c4f82688182d2d018ae5c9cd472f59f9e36ff
Formbook
abb29be2c1eccd851bdb99b126e822a8cf0f57be95e9b71a921aa703b2c285be
Formbook
b1a3032124a536928ee9eddfef722df3a881b4a656c76324445327420b50f1ae
Formbook
f7e96b7c6612b709e413bbc8c72796cadbb7ce91ed17ec77d5ba4d4422e729cb
Formbook
fe7e173fd8a3d646508573bb2f7ef52f7efd25a8e2aef1b754dcf95ceb797f8a
Formbook
+ 4'502 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat suricata
Link:
https://tria.ge/reports/210805-6f4yps56ve/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.narrowpathwc.com/n8ba/
Unpacked files
SH256 hash:
fe75f3ae1c25c484caf5809d380a4102be60001aef157851f4dfe2265a24de2a
MD5 hash:
ca114cf819ebb6743c22b984e72947b2
SHA1 hash:
16dec16a3dafed413cf5e93b18fcf030bb7e7007
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/046a08cc-3556-4f38-b723-ebd513262ba4/
Parent samples :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 hash:
aed00f82f1772e5a403cce9c1349202c8371e67ed9ef19a33cac0bf2a411f3c1
MD5 hash:
c273f926e2a29bd62cc8f27b569a0b2a
SHA1 hash:
e08d302cab3e11d776599a6b0537207fce6f9c51
Link:
https://www.unpac.me/results/046a08cc-3556-4f38-b723-ebd513262ba4/
SH256 hash:
f7b61547a0154ce0697dc7a9e56fb6854f2b8d14a8f69774c10a205029d1072d
MD5 hash:
ba5b7ecee11dd3acadbf3558c9c6126c
SHA1 hash:
0cd20e99941f02a6f0d50c7bd8a319132875a5c0
Link:
https://www.unpac.me/results/046a08cc-3556-4f38-b723-ebd513262ba4/
SH256 hash:
f5f438857e1d75cd3a0c7c8d8fde494ec31705db16f19e3d026d9f09e503fbf5
MD5 hash:
ae60fb877b44fb7cae71fb5f57207aa0
SHA1 hash:
7b3e167a838b09e52af62ba99c0702a150ea6f94
Link:
https://www.unpac.me/results/046a08cc-3556-4f38-b723-ebd513262ba4/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/f5f438857e1d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f5f438857e1d75cd3a0c7c8d8fde494ec31705db16f19e3d026d9f09e503fbf5

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/176652/

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