MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3662913e3004f6e3811499a9877265b55fd4b99400607d2f4b4168dc2621f1ab. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3662913e3004f6e3811499a9877265b55fd4b99400607d2f4b4168dc2621f1ab
SHA3-384 hash: 2b4f46676f5a1becbc2016406383ab64cafbffde53b8dd6eab1b81d96eb56a5bc70ccedfc8048cab504c8462afa8247c
SHA1 hash: 63c2a7115cf6bfaac782d62cc62b8802916f1ff1
MD5 hash: 1ab167f69af421b1b2441d52b6d07671
humanhash: ten-magnesium-mountain-twenty
File name:SALARY_RECEIPT.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:446'676 bytes
First seen:2021-12-01 09:17:03 UTC
Last seen:2021-12-01 14:06:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:bGiGpaO4UrhC3TPfmrdxEJ6phqigZ0i/+00F74GFb1u5i6:utpVCTMc6nqigZ0f9NFb1uA6
Threatray 11'903 similar samples on MalwareBazaar
TLSH T18394BE832522EA09D8F241FBFC86E1B255E47E4C59858ACB62D17F373BFD55A030622D
File icon (PE):PE icon
dhash icon 76e9b8f1d831d96e (1 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
151
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SALARY_RECEIPT.exe
Verdict:
Malicious activity
Analysis date:
2021-12-01 09:18:39 UTC
Tags:
installer trojan formbook stealer
Link:
https://app.any.run/tasks/d029cd97-19d0-4321-a052-5336ea8d9550

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/210228/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.1873.29004.27694.UNOFFICIAL
Create hunting rule

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 cmd.exe command interpreter
Сreating synchronization primitives
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:
  0/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/421/overview
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/61a73d969954e0c6bf799df9/reports/38de546f-8bad-42f9-9206-a1da3026b3b7/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:
Unknown
Link:
https://analyze.intezer.com/analyses/5b1c5fc7-76b0-463c-8a74-75be73961033
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/899266
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 531744 Sample: SALARY_RECEIPT.exe Startdate: 01/12/2021 Architecture: WINDOWS Score: 100 31 www.rockstarsyard.com 2->31 33 rockstarsyard.com 2->33 35 www.parkdomainforsale.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 2 other signatures 2->49 11 SALARY_RECEIPT.exe 17 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\vfxashaoff.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 37 hyveone.com 14.49.36.141, 49832, 80 KIXS-AS-KRKoreaTelecomKR Korea Republic of 18->37 39 www.sebastianroofrepairs.com 18->39 41 3 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 msiexec.exe 18->22         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 22->53 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 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/3662913e3004f6e3811499a9877265b55fd4b99400607d2f4b4168dc2621f1ab/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-12-01 09:17:15 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gzrjcprqat3ohaiutguyo4tfwvp5jomuabqh2l2lifunyjrb6gvq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2c797f8b23257f74c2dd577dad2c2c6cdab90dfa57a57f2f89a8a54036c6852c
Formbook
425d46c51bf681a37b1f34a602ebf6c7f571060bf698e70f2fd495169f804f92
Formbook
4cc5a0fb10d6235a197da2d08df9af6afae59ceaffb0c7054cfb087eb5c039b6
Formbook
5aad7a3f3d55c4741d8a79b59e0e9f922d375adab9f998ababc03a88a2feb27c
Formbook
5dad6b254fb40bb4c090f5048e07da656821a4b6b163c6548287c3d91dcfda45
Formbook
8ddc14ac94185fbe27b3764fb4e24fd8c25626a465074e8f640955a6f3409c08
Formbook
+ 11'893 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:b3n1 rat spyware stealer trojan
Link:
https://tria.ge/reports/211201-k83dtsebh5/
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.teslabotnews.com/b3n1/
Unpacked files
SH256 hash:
3662913e3004f6e3811499a9877265b55fd4b99400607d2f4b4168dc2621f1ab
MD5 hash:
1ab167f69af421b1b2441d52b6d07671
SHA1 hash:
63c2a7115cf6bfaac782d62cc62b8802916f1ff1
Link:
https://www.unpac.me/results/88c93c6e-daa6-47bd-a0d2-83d3d2ad9562/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/3662913e3004/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/3662913e3004f6e3811499a9877265b55fd4b99400607d2f4b4168dc2621f1ab

File information

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

Malspam

Formbook

Executable exe 3662913e3004f6e3811499a9877265b55fd4b99400607d2f4b4168dc2621f1ab

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/210228/

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