MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52c5a7bea43160bab3e96178238af584fbcf648172ef43517c71e755526756f6. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 52c5a7bea43160bab3e96178238af584fbcf648172ef43517c71e755526756f6
SHA3-384 hash: 59f40c304c054ae9ec736459c0e89b7b03423eb75732d83ea54a27e86f13e780c7c31a3bb3f9304ea45f3f31a9b8dd9a
SHA1 hash: 3fc1a6c97055884bcef072479e13923689b133fe
MD5 hash: ab1347959a1919762b06bbabe6838521
humanhash: september-nine-hot-colorado
File name:SALARY_RECEIPT.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:506'121 bytes
First seen:2021-12-04 07:17:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 12288:ojIgxR8QTAxwG/7Cxnk99foHcLwY2r2XIjajNU:0TgeAxw4Cxq9fYcLVX4OjW
Threatray 11'990 similar samples on MalwareBazaar
TLSH T177B4E083A59042BDDD754F31367A6D2146637D3AFDBAB94E2E883C6127B32D2403B907
File icon (PE):PE icon
dhash icon 74c5c1c4e5c0804c (1 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SALARY_RECEIPT.exe
Verdict:
Malicious activity
Analysis date:
2021-12-03 04:14:59 UTC
Tags:
installer trojan formbook stealer
Link:
https://app.any.run/tasks/3af6e671-a5eb-42a7-93f5-0ecd4216366b

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/211233/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
DNS request
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/760/overview
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
60%
Tags:
nemesis overlay packed
Link:
https://www.filescan.io/uploads/61ab163447ed217c0130ced5/reports/5bf16ff6-aa9e-4346-a94d-c361cd022b42/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/22afdc03-3314-4666-825c-63e0d4f2520b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/901318
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 domain / URL
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
Self deletion via cmd delete
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 533794 Sample: SALARY_RECEIPT.exe Startdate: 04/12/2021 Architecture: WINDOWS Score: 100 31 www.facom.us 2->31 39 Multi AV Scanner detection for domain / URL 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 7 other signatures 2->45 11 SALARY_RECEIPT.exe 17 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\fgabeeqod.dll, PE32 11->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 SALARY_RECEIPT.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.sunnyleoneporn.xyz 172.67.221.78, 49816, 80 CLOUDFLARENETUS United States 18->33 35 www.5ggooglecloud.com 18->35 37 5ggooglecloud.com 34.102.136.180, 49821, 80 GOOGLEUS United States 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 49 Performs DNS queries to domains with low reputation 18->49 22 svchost.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/52c5a7bea43160bab3e96178238af584fbcf648172ef43517c71e755526756f6/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-12-03 00:54:08 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=klc2ppvegfqlvm7jmf4chcxvqt546zebolxugul4ohtvkuthk33a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2c797f8b23257f74c2dd577dad2c2c6cdab90dfa57a57f2f89a8a54036c6852c
Formbook
3662913e3004f6e3811499a9877265b55fd4b99400607d2f4b4168dc2621f1ab
Formbook
425d46c51bf681a37b1f34a602ebf6c7f571060bf698e70f2fd495169f804f92
Formbook
5aad7a3f3d55c4741d8a79b59e0e9f922d375adab9f998ababc03a88a2feb27c
Formbook
5dad6b254fb40bb4c090f5048e07da656821a4b6b163c6548287c3d91dcfda45
Formbook
8ddc14ac94185fbe27b3764fb4e24fd8c25626a465074e8f640955a6f3409c08
Formbook
c4a3914ac9102ab0d688d9ea29c833ca8f41aef33ee6aa4fb384113f9250c743
Formbook
+ 11'980 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:b3n1 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/211204-h41nbsaehl/
Behaviour
Gathers network information
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.teslabotnews.com/b3n1/
Unpacked files
SH256 hash:
52c5a7bea43160bab3e96178238af584fbcf648172ef43517c71e755526756f6
MD5 hash:
ab1347959a1919762b06bbabe6838521
SHA1 hash:
3fc1a6c97055884bcef072479e13923689b133fe
Link:
https://www.unpac.me/results/d95a4e78-0510-4bc3-bc75-918f5a64d914/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/52c5a7bea431/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
Link:
https://yomi.yoroi.company/submissions/52c5a7bea43160bab3e96178238af584fbcf648172ef43517c71e755526756f6

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe 52c5a7bea43160bab3e96178238af584fbcf648172ef43517c71e755526756f6

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/211233/

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