MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8bf8105b46576ab92eb220f52579e1efaee5338d0d578972e53d674434818f8c. 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
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SHA256 hash: 8bf8105b46576ab92eb220f52579e1efaee5338d0d578972e53d674434818f8c
SHA3-384 hash: 30d6f44928e4e82bd236927f8043568d1d33d52fda567535ea753079e7b668150740195221292d0ba30804ccda3839df
SHA1 hash: 7ca614c0cf95497faa2e4dcf03e419ea493fe2a0
MD5 hash: a2c6319ad463cd23a511423a708bed4e
humanhash: wyoming-bulldog-glucose-fourteen
File name:AWB_NO_9284730932.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:410'624 bytes
First seen:2021-11-25 22:19:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:93KWhVIZ6HqZ+BCAHPF9oC3UEZzICQszK1uMj43ERSdNQT1gigEjeNmtTelJ4I:93pVXKBiPnr3TZzdOxc0RPh39JTAJ4
Threatray 11'602 similar samples on MalwareBazaar
TLSH T1B794F12032A5A397DD765FF40C20228413B672193A55C76DACCD62CF7D27F268B21B6B
Reporter FORMALITYDE
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
151
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
AWB_NO_9284730932.exe
Verdict:
Malicious activity
Analysis date:
2021-11-25 22:22:03 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/a63afdf1-f339-4b27-bbaa-355888c2e170

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
SecuriteInfo.com.Trojan.Inject4.20507.31730.23186.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
fareit obfuscated packed
Link:
https://www.filescan.io/uploads/61a00c15b71ceed41530a375/reports/0da548d9-449d-4988-8e61-4800bab02d33/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/a6cdc608-4078-4e71-98fd-327efe1a5a39
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/896394
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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 submitted file
Queues an APC in another process (thread injection)
Self deletion via cmd delete
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 528872 Sample: AWB_NO_9284730932.exe Startdate: 25/11/2021 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 6 other signatures 2->42 10 AWB_NO_9284730932.exe 3 2->10         started        process3 file4 28 C:\Users\user\...\AWB_NO_9284730932.exe.log, ASCII 10->28 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 14 AWB_NO_9284730932.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.tresholdnetwork.com 121.254.178.252, 49804, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 17->30 32 turkthee.com 185.106.208.3, 49819, 80 GUZELHOSTINGGNETINTERNETTELEKOMUNIKASYONASTR Turkey 17->32 34 2 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 cscript.exe 17->21         started        signatures10 process11 signatures12 46 Self deletion via cmd delete 21->46 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/8bf8105b46576ab92eb220f52579e1efaee5338d0d578972e53d674434818f8c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-24 02:10:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
29 of 45 (64.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rp4baw2gk5vlslvsed2sk6pb56xokm4nbvlys4xfhvtuinebr6ga._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
224eb07d990d08e707703af962de0b3f8414749f1a5a5a20d46d7c98337e036b
Formbook
2b61cfb00cc8a45fdae91c176c8e68be4ac7cefbe0fab5781e5fa44d2ec4ca9f
Formbook
3204a354d2ccb2058144116ede288693583a38b0c84b41903c2ceaebd19e9348
Formbook
3335218b7e280d81eb75ec3e4b124d9ad985f3849b508a8b9b4fb359f5dfbbfb
Formbook
367f3c04bf10450051cc71b363119a974560624e44b16ed4c64d75bd335fa6c1
Formbook
c63cb761da677849b8382eb1d926569f00a04d57f2c789b63e7f2eb2e368a00c
Formbook
df70c8209f25283b9f315676eb12c7ea09c683501386f1290e347f70fb4079ff
Formbook
e22a659b73048b31aba79fce8de22ddd5a287494b763fec8d5779869dfebbf31
Formbook
eec7134cc1487d8774af92e127422beaadfda308d32039afaec0c815ca70dc5c
Formbook
fc69e6c5574428d1463b12e28954ffe967456b3cd133e5ff61f46972f1afa975
Formbook
+ 11'592 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:fl9w rat spyware stealer trojan
Link:
https://tria.ge/reports/211125-184jwsccd5/
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
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.makheads.com/fl9w/
Unpacked files
SH256 hash:
11df12fd1c06bf8bb0205664b4fe24075870af472c5530cd69bf2be5d9a2f131
MD5 hash:
5eb01c3aa470b81206dfcdb4d9bd14a4
SHA1 hash:
1a4725dd30c9c030b057fc1c442823f8a15a91c1
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/a62f7641-60a2-42d0-855a-9399c9da9e67/
Parent samples :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 hash:
f6cd9f6c74c1eea9ab53b42b32931ddc4825dfefd85a582ece2b591199013fa3
MD5 hash:
ebf1e1a8208c27be2ea1fedacb818d10
SHA1 hash:
408f5d2280464be2bdc1d9fa9661b49ca35296e1
Link:
https://www.unpac.me/results/a62f7641-60a2-42d0-855a-9399c9da9e67/
SH256 hash:
f30ca642597c059f9dbcc6cfea27687245fbcaf5456be0b7a4528d946f3a0a05
MD5 hash:
0f6349011cf5446131faf0cadbace87b
SHA1 hash:
0cd48b5cb5a0ca095043c333c9002ba5273e92e8
Link:
https://www.unpac.me/results/a62f7641-60a2-42d0-855a-9399c9da9e67/
SH256 hash:
8bf8105b46576ab92eb220f52579e1efaee5338d0d578972e53d674434818f8c
MD5 hash:
a2c6319ad463cd23a511423a708bed4e
SHA1 hash:
7ca614c0cf95497faa2e4dcf03e419ea493fe2a0
Link:
https://www.unpac.me/results/a62f7641-60a2-42d0-855a-9399c9da9e67/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8bf8105b4657/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/8bf8105b46576ab92eb220f52579e1efaee5338d0d578972e53d674434818f8c

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
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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.

Malspam

Formbook

Executable exe 8bf8105b46576ab92eb220f52579e1efaee5338d0d578972e53d674434818f8c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/209525/

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