MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a51a3cc373a659071b939aabb27ed28c324e0e5ee7eb68967de657158e3c09f. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9a51a3cc373a659071b939aabb27ed28c324e0e5ee7eb68967de657158e3c09f
SHA3-384 hash: 8833021f4170170367bdb13311b4cc053b65028bd3808be9b83c003b19146bbe6e894f1ad7adc2d6360fee2c4adb7d6e
SHA1 hash: 5b93aceb600c94c186b5a59e04a4bfd661ff0dad
MD5 hash: 2350ab7c41c2711d6b12b157e1a3dc34
humanhash: helium-alanine-fourteen-floor
File name:Scan.Salary.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:968'192 bytes
First seen:2021-08-09 11:09:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:Tl31bUgt734/iCs2sp577Rt7bIlkccI/JSqpP27DGk:Tl3xUu74/iNf7bPef/JSoP27D
Threatray 7'644 similar samples on MalwareBazaar
TLSH T11A25123126DD9B51F63E5B3A266060B207F9F118E337E5AF9D85C07DC92AB80C661723
dhash icon 4283c10101010206 (1 x Formbook)
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
183
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Scan.Salary.exe
Verdict:
Malicious activity
Analysis date:
2021-08-09 11:11:09 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/4c56fae0-60bc-4781-88f8-6d343afa0fed

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/177521/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ddefe804-14b1-46f7-a97b-855a9447587b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/829230
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 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: 461659 Sample: Scan.Salary.exe Startdate: 09/08/2021 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 6 other signatures 2->44 10 Scan.Salary.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\Scan.Salary.exe.log, ASCII 10->30 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 Scan.Salary.exe 10->14         started        17 Scan.Salary.exe 10->17         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 19 explorer.exe 14->19 injected process8 dnsIp9 32 www.aozhengaodi.com 154.94.251.31, 49735, 80 ROOT-NETWORKSUS Seychelles 19->32 34 www.hanbaoxin.com 156.240.26.90, 49737, 80 Africa-on-Cloud-ASZA Seychelles 19->34 36 2 other IPs or domains 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 23 control.exe 19->23         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 23->48 50 Maps a DLL or memory area into another process 23->50 52 Tries to detect virtualization through RDTSC time measurements 23->52 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9a51a3cc373a659071b939aabb27ed28c324e0e5ee7eb68967de657158e3c09f/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-08-09 07:26:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
27 of 47 (57.45%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tji2htbxhjsza4nzhgvlwj7nfdbsjyhf5z7lnclh3zsxcwhdycpq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0655ee712ee939add7c23e011eb887fe70f085e1fea6df1dbeb07bc8df7ffdb7
Formbook
0a954ff882c7b2e4c6fdbdfa5254c5f54e0a1616ec9cf8bcd2c1652e903264c8
Formbook
49a4412c27e5eafc4c4365a2b2aeb962d6bf25849ab58d4e7eeb25fcfb934dcd
Formbook
56368dfb68347ec22ba4d8d1d16e1acc9dbf37acf30803ef92f75f27f0a6a6a5
Formbook
a2cdf452f83aa86c0f3ade321cfc00a9ed3671082372081a67cad84a26492051
Formbook
b3c5b3cf581d15fcbacf67b4bdba199bfe7089704875746109b3206eb07b99e2
Formbook
b8ad131dedee5c7f3164a25f907a69c6f90632f901ecf50a61aa7e31b4c8334e
Formbook
c7b835a38f13c18350ba953a8f57f8c90a237804c377ba32d6fd212daa08e98c
Formbook
d457980cebdbfd785a77b0d09249f5bc8cca708f5b5e7fe607f1b538faf977c4
Formbook
+ 7'634 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:bkbk rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210809-g5n8528vcx/
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
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.aozhengaodi.com/bkbk/
Unpacked files
SH256 hash:
89bd26b3006094a6a975bb829971ca25912f56d46a89a17ebfeb4376d893b297
MD5 hash:
a805040f871ff81beb0a3874b72f6049
SHA1 hash:
2d5a9586fb7e6019883325921bdda92c7e50fe12
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f3b6f837-dd72-4c64-9406-b41b85428e55/
Parent samples :
0a954ff882c7b2e4c6fdbdfa5254c5f54e0a1616ec9cf8bcd2c1652e903264c8
9a51a3cc373a659071b939aabb27ed28c324e0e5ee7eb68967de657158e3c09f
4c3c596f1205356635a9ff0ad1a179f8c739cd9e4026085e091d5bd0d0173067
5e6cd5d639ae3b9425d3e11ded2ba9b054bd28903e7c9ae7b1702a89fc66b953
SH256 hash:
ecd045a407f7954a44c0f7b581d5bda56716d3c3a610117a2c6a13db1b6f7513
MD5 hash:
311ded7e5e01255cefeaf0894ba7d987
SHA1 hash:
5dae53e962b1cbecb2ed92126e8879878bb5e76a
Link:
https://www.unpac.me/results/f3b6f837-dd72-4c64-9406-b41b85428e55/
SH256 hash:
ed0dd1e2260da7b03c8b80e0b45e8fef44be722c1e8c41e078c1a25ed0d18ecc
MD5 hash:
6057ce35bd926dd6d49dedfa9cc18372
SHA1 hash:
1f4e44e1740ffbd91129ac3a37d22845bc52c158
Link:
https://www.unpac.me/results/f3b6f837-dd72-4c64-9406-b41b85428e55/
SH256 hash:
9a51a3cc373a659071b939aabb27ed28c324e0e5ee7eb68967de657158e3c09f
MD5 hash:
2350ab7c41c2711d6b12b157e1a3dc34
SHA1 hash:
5b93aceb600c94c186b5a59e04a4bfd661ff0dad
Link:
https://www.unpac.me/results/f3b6f837-dd72-4c64-9406-b41b85428e55/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/9a51a3cc373a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/9a51a3cc373a659071b939aabb27ed28c324e0e5ee7eb68967de657158e3c09f

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_InTheFuture
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: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

zip 5f2ffac98f596f2ac911ad825fad722dd8b313ece8a84d0ccbb3d1618fac31d3

Formbook

Executable exe 9a51a3cc373a659071b939aabb27ed28c324e0e5ee7eb68967de657158e3c09f

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 5f2ffac98f596f2ac911ad825fad722dd8b313ece8a84d0ccbb3d1618fac31d3
Cape
Cape
https://www.capesandbox.com/analysis/177521/

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