MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1273a548df057bfaafa975b34de3551362e91faaaa78b0bcf764c67f225b423d. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1273a548df057bfaafa975b34de3551362e91faaaa78b0bcf764c67f225b423d
SHA3-384 hash: 440dcf4e44beda30d1c3b243b2f1d7b56900596f4f22179fcf37b7ca1fad0c1137e8431cc155e937227bfae3aab362ea
SHA1 hash: 6a251887d2390692959ed0941c1116b5494a376e
MD5 hash: dbc7dec63082150e42c786fbc47dea8a
humanhash: sweet-cola-timing-connecticut
File name:dbc7dec63082150e42c786fbc47dea8a
Download: download sample
Signature Formbook
Create hunting rule
File size:554'120 bytes
First seen:2021-06-29 15:29:19 UTC
Last seen:2021-06-29 16:34:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:HxDUSpRjFbKTkwrJUZ1zFzwq6Hr7PSIcDwiDLLjL8DP:HxDJpPKTVUZ3w3nqIEwoXcP
Threatray 6'067 similar samples on MalwareBazaar
TLSH 05C4DF1231A889A7F2531CB65C1E91A124966E60945AF10E756F334F1BF236243FF72F
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
147
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dbc7dec63082150e42c786fbc47dea8a
Verdict:
Suspicious activity
Analysis date:
2021-06-29 15:32:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/63dfcb3d-a065-4e61-8ec2-97611ee39a68

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/168783/
Detection(s):
SecuriteInfo.com.Spyware.PasswordStealer.25092.6777.UNOFFICIAL
Create hunting rule

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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4094111c-ea4a-4501-9b18-d9b5f39e7d45
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/809506
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 441917 Sample: WMSyf376kc Startdate: 29/06/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 5 other signatures 2->42 10 WMSyf376kc.exe 5 2->10         started        process3 file4 28 C:\Users\user\AppData\...\WMSyf376kc.exe, PE32 10->28 dropped 30 C:\Users\...\WMSyf376kc.exe:Zone.Identifier, ASCII 10->30 dropped 32 C:\Users\user\AppData\...\WMSyf376kc.exe.log, ASCII 10->32 dropped 54 Writes to foreign memory regions 10->54 56 Injects a PE file into a foreign processes 10->56 14 WMSyf376kc.exe 10->14         started        signatures5 process6 signatures7 58 Multi AV Scanner detection for dropped file 14->58 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 3 other signatures 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 34 www.lovetxts.com 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Uses ipconfig to lookup or modify the Windows network settings 17->46 21 ipconfig.exe 17->21         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1273a548df057bfaafa975b34de3551362e91faaaa78b0bcf764c67f225b423d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-29 12:56:59 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
09668ab48f99635ce9f0daa0c0e15994c2404cbb22ca2c3e23e56c5c0e45215b
Formbook
1a859f18a203b53f7c893f9e3d3cbfeb6bd9c0d479f1ddd5626ba4c9eb34e670
Formbook
2f37c93400fdd92118fb19c318001038022836301f00dd805b0e97fd53773d5d
Formbook
3b6134b61b84f0653135f7372c8fafe9dd0a35cd658a510de22b9dd9f8bf6257
Formbook
41fb70f36b56d60a096ac2a89d7d9d2e6c75cf7725a75fd93ffebfcaabcb8e04
Formbook
81da76220fb0ae253e2cb1708b5b69da345ed3f69fca6d5bda7a0f59470196fe
Formbook
8503c4ec4121647a225068e8defe8ff2e4cfc61a94dcd3c261ec5acf38dfa73b
Formbook
a3703cc485d2a99cfec122203ed2d7dd83274af8bd0b3bcfab3fd590dd5c308c
Formbook
b69927fbfd7eb038b59aa9b7e9f49cb02d127d48fcf6517e65a379e982e806bc
Formbook
ea356b3d9e31986305af05633f1404882113499d46a0505145a5021d8fcdbc5f
Formbook
+ 6'057 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210629-gvjcp3ze5s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.share-event.info/wlns/
Unpacked files
SH256 hash:
dff7a1a55624e502da83a32899dc8845f431cfa69884c1156bbe81351da70f1e
MD5 hash:
9e3ad3bd9c5027960ef4cd14868191ec
SHA1 hash:
1dec05b46a26463c8fc3cffd9195af0c06990008
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f3681783-355b-4038-8270-68d0395d9e6e/
SH256 hash:
a5be07952a8c1ee534ffb1cf9493f751ce71a85985cf62b969871a96033972f3
MD5 hash:
24796e309a268bedbcee32df7ffc136f
SHA1 hash:
966e71fb4e0df588e715b65e5301448aed751c3d
Link:
https://www.unpac.me/results/f3681783-355b-4038-8270-68d0395d9e6e/
SH256 hash:
fdb860ca0e4272cd6667e6cace1508c9f2cb593090044a8a2b5eb8078a53b005
MD5 hash:
328bb5c34103327b960016425ebc938f
SHA1 hash:
062bc10681442caa160f5490450c1886db27743e
Link:
https://www.unpac.me/results/f3681783-355b-4038-8270-68d0395d9e6e/
SH256 hash:
1273a548df057bfaafa975b34de3551362e91faaaa78b0bcf764c67f225b423d
MD5 hash:
dbc7dec63082150e42c786fbc47dea8a
SHA1 hash:
6a251887d2390692959ed0941c1116b5494a376e
Link:
https://www.unpac.me/results/f3681783-355b-4038-8270-68d0395d9e6e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.05
Link:
https://yomi.yoroi.company/submissions/1273a548df057bfaafa975b34de3551362e91faaaa78b0bcf764c67f225b423d

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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.

Web download

Formbook

Executable exe 1273a548df057bfaafa975b34de3551362e91faaaa78b0bcf764c67f225b423d

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/168783/
  
URLhaus
https://urlhaus.abuse.ch/url/1412971/

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