MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 519a77b3e875886add3b2e84ac63cb9e9707381fce9d25d79616554d4c6c2287. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 519a77b3e875886add3b2e84ac63cb9e9707381fce9d25d79616554d4c6c2287
SHA3-384 hash: a1e3cda9da4b7f66309b5e9639cff097cde3c97e0398b1aa23b74853259d4bb6e7918a54d516c2dc354b7f0c25ef0e55
SHA1 hash: 81d014d94cbf1891f2097d99dad0cb4adec06b70
MD5 hash: 62590d3d2db8d53fe683b286c71ad95f
humanhash: kentucky-summer-black-butter
File name:New Enquiry for Pakistan Tender Quotes.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'534'464 bytes
First seen:2022-04-14 11:00:30 UTC
Last seen:2022-04-20 10:25:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:JiLbFRxjA/lF8WKR2O/FO+YR07F+t0kcjtr6D2JuIXjaK1on/LiUgfLoR:SYzm2O/FOjj0kcjE2JhZ1onzi7f0
Threatray 15'025 similar samples on MalwareBazaar
TLSH T106655B8D63824A05FF40A6B5D8BF7B50A760EE38498A831B67E8757AC41B37C5F40793
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)
File icon (PE):PE icon
dhash icon f0f8b8b4bc9ce071 (2 x RemcosRAT, 1 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
295
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
New Enquiry for Pakistan Tender Quotes.exe
Verdict:
Malicious activity
Analysis date:
2022-04-14 11:05:02 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/5bc0a077-09dd-4b89-8a66-b15f30d5ac4d

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/263666/
Detection(s):
Win.Trojan.EmbeddedDotNetBinary-9940868-0
Create hunting rule

Win.Trojan.EmbeddedReversedDLL-9940922-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file
Unauthorized injection to a recently created process
Launching cmd.exe command interpreter
Setting browser functions hooks
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6257ff05ffe27d5119cd5439/reports/794bfa6c-7290-4604-b31a-68ddbde11fef/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/46f3d177-e538-4edc-9784-e13cbde559a9
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/976763
Signature
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
Self deletion via cmd delete
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 609247 Sample: New Enquiry for Pakistan Te... Startdate: 14/04/2022 Architecture: WINDOWS Score: 100 56 Malicious sample detected (through community Yara rule) 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 Yara detected FormBook 2->60 62 6 other signatures 2->62 10 New Enquiry for Pakistan Tender Quotes.exe 1 6 2->10         started        process3 file4 50 C:\Users\user\AppData\Local\wool.exe, PE32 10->50 dropped 52 C:\Users\user\...\wool.exe:Zone.Identifier, ASCII 10->52 dropped 54 New Enquiry for Pa...nder Quotes.exe.log, ASCII 10->54 dropped 82 Injects a PE file into a foreign processes 10->82 14 New Enquiry for Pakistan Tender Quotes.exe 10->14         started        17 cmd.exe 1 10->17         started        signatures5 process6 signatures7 84 Modifies the context of a thread in another process (thread injection) 14->84 86 Maps a DLL or memory area into another process 14->86 88 Sample uses process hollowing technique 14->88 90 Queues an APC in another process (thread injection) 14->90 19 explorer.exe 14->19 injected 22 conhost.exe 17->22         started        24 timeout.exe 1 17->24         started        process8 signatures9 64 Uses ipconfig to lookup or modify the Windows network settings 19->64 26 wool.exe 4 19->26         started        29 ipconfig.exe 19->29         started        31 wool.exe 3 19->31         started        33 autofmt.exe 19->33         started        process10 signatures11 70 Multi AV Scanner detection for dropped file 26->70 72 Machine Learning detection for dropped file 26->72 74 Tries to detect virtualization through RDTSC time measurements 26->74 35 wool.exe 26->35         started        38 cmd.exe 26->38         started        76 Self deletion via cmd delete 29->76 78 Maps a DLL or memory area into another process 29->78 80 Injects a PE file into a foreign processes 31->80 40 cmd.exe 31->40         started        process12 signatures13 66 Modifies the context of a thread in another process (thread injection) 35->66 68 Maps a DLL or memory area into another process 35->68 42 conhost.exe 38->42         started        44 timeout.exe 38->44         started        46 conhost.exe 40->46         started        48 timeout.exe 40->48         started        process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/519a77b3e875886add3b2e84ac63cb9e9707381fce9d25d79616554d4c6c2287/
Threat name:
Win32.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2022-04-14 11:01:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
17 of 26 (65.38%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kgnhpm7iowegvxj3f2ckyy6lt2lqooa7z2oslv4wczku2tdmekdq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0f26fc2304b6625ef379ab4b0725e57d814a4e87035b6d15215067f3f3321af0
Formbook
5d199f6e3b18707bf891e790552a097e326cb170308a95d4915b1a8e1718a4cf
Formbook
6d1ae3278059d592ae7c4426df9456553b8abfbc3bd90ce0f8d1792e94ae95c2
Formbook
912f1b1f42229f5dc85e71db8eb2fa4242dae10fe5380a2c033ed7468edf4d89
Formbook
9ae7a32e1f8d49f2d13f632a946043dfe347f3d71ca95c146f0f2e597b54c4d5
Formbook
a96ddfe26cc41ec92563b0b721a0036e9405ac08f617d5289a921ad054b4ae5c
Formbook
ac4f54c754e6522cc5d4348a6c138718700ec82097225cae5b46a1eeffdfd094
Formbook
c652919676cc6f3ea808c6e1023de343d27ed8f72f4f1b94523c4ecfb09bf223
Formbook
c944efe6f7ebc5786e8db1b3a3b4296daacce868fe45318adf01617050e4ea9e
Formbook
ec575e5cdf3da323c27e65f3042586173ca50ba0682b733a61f0b47f80c3004e
Formbook
+ 15'015 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:w83h persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220414-m4jr2abhak/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
93bd68a077461e5cb55915d5fd6fafc57829badc8c763cccc7aa36fa38dc60b2
MD5 hash:
23d74ca691de2442bbb81c29ff05c553
SHA1 hash:
97a8b6c3e7daa0adb33a7b62ccf71824c0e1983e
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/67807c26-ea25-4882-ba4c-b19b5e9cc943/
Parent samples :
b49e86472e01e666fabb5e6024f7405b8e3c02c7602dba20a4d937537dbd79fa
5c22960ea7610edbe1cf29f39e92c41af4088b5e64aaf5f000b6588583e2e6cb
322dc83c729bef18426974f5ee9043b02674a917f11404b094a5e899375c6df3
519a77b3e875886add3b2e84ac63cb9e9707381fce9d25d79616554d4c6c2287
9504b7d70560189218da2f73a816ed686e6f52373dd025a79ddbc1a0e74cf33c
SH256 hash:
9d2184ce94c3067a8023a4dd9f5df3926e82ac19d49278b099384b765e79d2ef
MD5 hash:
b9dcef578d04fa2304b2ad2e6bd9cbf7
SHA1 hash:
13d0f634267506069bfc0aa73ea2b116ecba2c80
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/67807c26-ea25-4882-ba4c-b19b5e9cc943/
SH256 hash:
804ab508ceccaac047888140acd45fae5bfc04f20cd387677335946d118120f1
MD5 hash:
44a1f005538b4db0d27b78fa49b84353
SHA1 hash:
9e004a1494f0a694e29529b4b6fab7c878dcd5c3
Link:
https://www.unpac.me/results/67807c26-ea25-4882-ba4c-b19b5e9cc943/
SH256 hash:
519a77b3e875886add3b2e84ac63cb9e9707381fce9d25d79616554d4c6c2287
MD5 hash:
62590d3d2db8d53fe683b286c71ad95f
SHA1 hash:
81d014d94cbf1891f2097d99dad0cb4adec06b70
Link:
https://www.unpac.me/results/67807c26-ea25-4882-ba4c-b19b5e9cc943/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/519a77b3e875/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.95
Link:
https://yomi.yoroi.company/submissions/519a77b3e875886add3b2e84ac63cb9e9707381fce9d25d79616554d4c6c2287

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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 519a77b3e875886add3b2e84ac63cb9e9707381fce9d25d79616554d4c6c2287

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/263666/

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