MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 647c043687621e012ac9c04a69fe8590198d8e8e369431723dc848436438939a. 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: 8


Intelligence 8 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 647c043687621e012ac9c04a69fe8590198d8e8e369431723dc848436438939a
SHA3-384 hash: 3967bb3991c8a1b7f74db0ddf888c83b260e4c7e771748f99dd4742510e9a65bf978b81515aa06add01844652a48df7b
SHA1 hash: e5d70ed0cdbd9041560b56e473277fd471a6a9d0
MD5 hash: 3e8d4e3c6a76baa15bd50d4de32ac0f9
humanhash: spaghetti-venus-lake-papa
File name:RFQ_PO_009890_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:658'432 bytes
First seen:2021-09-01 09:20:32 UTC
Last seen:2021-09-05 07:37:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ef471c0edf1877cd5a881a6a8bf647b9 (74 x Formbook, 33 x Loki, 29 x Loda)
ssdeep 12288:DXe9PPlowWX0t6mOQwg1Qd15CcYk0We1OTmeeKAmdcNtnfRUCZFs+TVx3:qhloDX0XOf4BeezmdcNUC1TH
Threatray 8'890 similar samples on MalwareBazaar
TLSH T16FE4F1C6BFB05C56DE04D63DC26E9F1618272F349AE5A24AD141B873ABF36CD1C13922
dhash icon 8b13396969336921 (9 x Formbook, 7 x AgentTesla, 4 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
212
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ_PO_009890_pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-09-01 09:23:45 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/1abb5425-b10e-4bf4-b9e0-c17a34a4f827

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/184422/
Detection(s):
PUA.Win.Packer.Upolyx-12
Create hunting rule

SecuriteInfo.com.W32.AIDetect.malware1.26871.13679.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Deleting a recently created file
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
DNS request
Connection attempt
Sending an HTTP GET request
Sending a UDP request
Unauthorized injection to a system process
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f85a4b54-8c92-4269-ab3e-e9b131b143d1
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/843215
Signature
AutoIt script contains suspicious strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
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: 475646 Sample: RFQ_PO_009890_pdf.exe Startdate: 01/09/2021 Architecture: WINDOWS Score: 100 34 www.ryrex.com 2->34 36 parkingpage.namecheap.com 2->36 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 5 other signatures 2->46 11 RFQ_PO_009890_pdf.exe 3 2->11         started        signatures3 process4 signatures5 56 Maps a DLL or memory area into another process 11->56 58 Tries to detect virtualization through RDTSC time measurements 11->58 14 RFQ_PO_009890_pdf.exe 11->14         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 14->17 injected process8 dnsIp9 28 www.mambazonee.com 17->28 30 www.swipehawk.com 91.195.240.94, 49727, 80 SEDO-ASDE Germany 17->30 32 11 other IPs or domains 17->32 38 System process connects to network (likely due to code injection or exploit) 17->38 21 chkdsk.exe 17->21         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 21->48 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/647c043687621e012ac9c04a69fe8590198d8e8e369431723dc848436438939a/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mr6ainuhmipackwjybfgt7ufsamy3duog2kdc4r5zbeegzbysona._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
71335267a0a48bbcf678e354b421445d3db926ec5dd9b40c2a004cebb9b166f0
Formbook
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Formbook
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Formbook
b5225e4f19b8f43d98a52808829087a9019cf247fb6a3f6acd6ae30eccb9e8b1
Formbook
f3037e5e047b6bfbfb11c453d1d836217e8c7ec606eacce69dfe31bf8b260821
Formbook
f547d8d44d91b4d09f1323857e573c31a8cb0fb1ed949cc0f8c90f6ea807b23c
Formbook
f8efe3e66289ce15fd9b0f85a3e0d90660cae9f12385f69e81cfb6f2e3ece3c7
Formbook
+ 8'880 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:a6hg loader rat upx
Link:
https://tria.ge/reports/210901-43f4thl3zx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.cammininelmondo.com/a6hg/
Unpacked files
SH256 hash:
841285c76365b99642a07a5f9c32e05957bdcda631b49eb5409b76714687720a
MD5 hash:
42e25e35f39d7257c8c098d373735a49
SHA1 hash:
4394b62826c027857e1154bda292e87f031d3787
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/402ed178-1770-4701-8a26-2bca8097ec1f/
SH256 hash:
e1a38935f5ddf9bdb8d1d22a102c05d8ec81dca00234483a2a9791c76e4ef88b
MD5 hash:
29e821d3b28f60f9774556304144bd6e
SHA1 hash:
b9b563ca1e9b8a98367bdc059afd8200d2e4bd27
Link:
https://www.unpac.me/results/402ed178-1770-4701-8a26-2bca8097ec1f/
SH256 hash:
647c043687621e012ac9c04a69fe8590198d8e8e369431723dc848436438939a
MD5 hash:
3e8d4e3c6a76baa15bd50d4de32ac0f9
SHA1 hash:
e5d70ed0cdbd9041560b56e473277fd471a6a9d0
Link:
https://www.unpac.me/results/402ed178-1770-4701-8a26-2bca8097ec1f/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/647c04368762/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.49
Link:
https://yomi.yoroi.company/submissions/647c043687621e012ac9c04a69fe8590198d8e8e369431723dc848436438939a

File information

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

Malspam

Formbook

Executable exe 647c043687621e012ac9c04a69fe8590198d8e8e369431723dc848436438939a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/184422/

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