MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 727d99fbf5a7d58b50ea62f289cf59b251ffe3e6f5d9487f7716127654e6e32a. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 727d99fbf5a7d58b50ea62f289cf59b251ffe3e6f5d9487f7716127654e6e32a
SHA3-384 hash: cafc347a40d95cae6ca49aad93d349fb194b1989ac3de27531aff7533b369df324d77676aeb0f690e2c8f06e6e2a06d9
SHA1 hash: ecaef1532016cc58333ddff64ace07d2a51bde72
MD5 hash: cf92b80bd587ac1498dd3e37fee96af7
humanhash: idaho-may-pizza-low
File name:PURCHASE ORDER 29kva.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:730'112 bytes
First seen:2021-09-29 12:32:48 UTC
Last seen:2021-09-29 14:14:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'636 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:yD4VHfQe6ZyWshg+qbZxTZZWunAWvhZ/uMAqZd209FMEwdXvKn3sdOeu2UwV0c:yD4VHfQe6ZyWshg+qbZxTZZWunAWvhrI
Threatray 9'791 similar samples on MalwareBazaar
TLSH T1D2F48D6DF60CE29EFD0903B021297CD425EC1CAD197CBA17BE96B5E230AED7651F0096
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
120
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PURCHASE ORDER 29kva.exe
Verdict:
Malicious activity
Analysis date:
2021-09-29 19:45:50 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/fa0cda78-5223-457a-90c2-73e04f1f0abb

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/193155/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.26455.1164.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b07939e7-64b0-4727-a686-0144aedd9856
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/861427
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
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
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: 493856 Sample: PURCHASE ORDER 29kva.exe Startdate: 30/09/2021 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 10 other signatures 2->40 10 PURCHASE ORDER 29kva.exe 3 2->10         started        process3 file4 28 C:\Users\...\PURCHASE ORDER 29kva.exe.log, ASCII 10->28 dropped 52 Injects a PE file into a foreign processes 10->52 14 PURCHASE ORDER 29kva.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.abcfreediving.com 199.34.228.159, 49831, 80 WEEBLYUS United States 17->30 32 www.getsup.online 66.29.145.99, 49826, 80 ADVANTAGECOMUS United States 17->32 42 System process connects to network (likely due to code injection or exploit) 17->42 21 chkdsk.exe 17->21         started        signatures10 process11 signatures12 44 Self deletion via cmd delete 21->44 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 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/727d99fbf5a7d58b50ea62f289cf59b251ffe3e6f5d9487f7716127654e6e32a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-29 12:17:43 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=oj6zt67vu7kywuhkmlzitt2zwji77y7g6xmuq73xcyjhmvhg4mva._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
410659d6e76a955d58e88df12ffea3550a57758513630f051c6e66caa343fdad
Formbook
62ee412123d6e8832cebbf33d84d5695adc4fc2d66f0ec7222d9ccd5f21d4866
Formbook
67cb5ce28fc7e9a5dae6c7be6da453844762fdea43d985cfc761c1ded66487f0
Formbook
6bb763ffd1ca484344f2a02df3f9e6bddc18a0f1fcd5d58002ad16b82b36db90
Formbook
6fd5dbec01eb7f767fc3b4046d9aa50f80e50f5ab9439480efb87620faef473c
Formbook
7e2a14525c0058bca08d945d2358fc629e3080cc111d271253e061a4be0bde17
Formbook
a99b696e8ac16303843b26c95c982d5be9b9fd657d843937cc586c9a8dc29b83
Formbook
cb1140dd7751382a2d56c59755a2ff38b239805148af2d108cf4f1399ca0f753
Formbook
dcee55c9896715272cfd344a7a62fe6c5dbe0e61d7d8548beeda46c15bd8e07c
Formbook
f5400b800544782acf9e16a80368cef1b36eed0e63fd0200523f3d38c54162e9
Formbook
+ 9'781 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ergs rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210929-pq7caafahq/
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 UnmapMainImage
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.iselotech.com/ergs/
Unpacked files
SH256 hash:
7498a2d98149c659c04fdb76daa20f50e27ce16a3c7c37c4257dc45bb8c7e093
MD5 hash:
dbf215deb6912bd9500cd835a2e753b0
SHA1 hash:
4aa8d931f88eaecf1737f33750d9a6ba4611d5c6
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/0489ea18-8122-4baf-8737-c6a98cdba6ff/
Parent samples :
410659d6e76a955d58e88df12ffea3550a57758513630f051c6e66caa343fdad
6fd5dbec01eb7f767fc3b4046d9aa50f80e50f5ab9439480efb87620faef473c
7e2a14525c0058bca08d945d2358fc629e3080cc111d271253e061a4be0bde17
f5400b800544782acf9e16a80368cef1b36eed0e63fd0200523f3d38c54162e9
727d99fbf5a7d58b50ea62f289cf59b251ffe3e6f5d9487f7716127654e6e32a
e777d588f24e21fdcc3add6de5b93d5fb498b594a59f03d02b5a7880bc5d5180
009e6b48b7d9b2a802d6e831138b1e55c4390861c123287e134bbc21f8a6e225
SH256 hash:
1dab056301ebc3ca451210cf14c2aae0a6adb6b32fef95370338a6ba14e291d8
MD5 hash:
0dbdb7d7a7c2133278f3e07c08a9b04e
SHA1 hash:
d6eae8a6bfb8c3bd7408aa778985cc0c4baf9a88
Link:
https://www.unpac.me/results/0489ea18-8122-4baf-8737-c6a98cdba6ff/
SH256 hash:
a262d088a91faaf1bb19dd3dbf1b355a63b876eb61058833319fb293cd305d7c
MD5 hash:
d4d07e530694acb6fa1fe1be698b6a13
SHA1 hash:
b71d8d09b83d19c593f5623aabbeaa3f045de413
Link:
https://www.unpac.me/results/0489ea18-8122-4baf-8737-c6a98cdba6ff/
SH256 hash:
6fef8420a8bd6a90cfe7ac8aeb0e3811422b9b6cb9e0b14ea03f5236438f72ba
MD5 hash:
10c7772f435231d58046e0dc34def127
SHA1 hash:
38c8f9ffb5136848d62582ef41bab6c810121c74
Link:
https://www.unpac.me/results/0489ea18-8122-4baf-8737-c6a98cdba6ff/
SH256 hash:
f7d272daf3522f99ca67b99bfe557564baba239104c7f20cef842f2e870bdf28
MD5 hash:
cceaca53d81061c0f1c6cf35ca7bf34b
SHA1 hash:
23ba45b249e0e4bdc5a8d4b4b07e2f7509cf85be
Link:
https://www.unpac.me/results/0489ea18-8122-4baf-8737-c6a98cdba6ff/
SH256 hash:
727d99fbf5a7d58b50ea62f289cf59b251ffe3e6f5d9487f7716127654e6e32a
MD5 hash:
cf92b80bd587ac1498dd3e37fee96af7
SHA1 hash:
ecaef1532016cc58333ddff64ace07d2a51bde72
Link:
https://www.unpac.me/results/0489ea18-8122-4baf-8737-c6a98cdba6ff/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/727d99fbf5a7/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/727d99fbf5a7d58b50ea62f289cf59b251ffe3e6f5d9487f7716127654e6e32a

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

rar a621a7d8411c3a040a7560fd201d1bb9d269a1ed4bb43559879babf58e675eb8

Formbook

Executable exe 727d99fbf5a7d58b50ea62f289cf59b251ffe3e6f5d9487f7716127654e6e32a

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 a621a7d8411c3a040a7560fd201d1bb9d269a1ed4bb43559879babf58e675eb8
Cape
Cape
https://www.capesandbox.com/analysis/193155/

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