MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88714530301981f0bd18b9a48850ae30574ac70f6eaae0bc9586a357cf9d163e. 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
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SHA256 hash: 88714530301981f0bd18b9a48850ae30574ac70f6eaae0bc9586a357cf9d163e
SHA3-384 hash: 537b73df9f04dcf54ecd2e89aead9e79653cfb07b24ea5528959c49a8ff70c4463c8521029cdfb4a57667166e8a6c7f2
SHA1 hash: 4971fb41075f779b47c2276d748d93762c2d2079
MD5 hash: 1d85ffea5a90ef90d45fe7848350fbeb
humanhash: steak-zebra-fourteen-nitrogen
File name:Purchase Order.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:809'984 bytes
First seen:2021-09-08 11:52:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:A0QzngZpMEoKR16crp6P6gXgAtE9arCfi1zZr0mqk93QTxJTwjC:A0QznO1H68p6ygwAyfQzN9q6Qv0jC
Threatray 9'132 similar samples on MalwareBazaar
TLSH T19005AD4B6158B90F9C7EA1A75351EFEA80920CA7333186EC9B32C479E2256F271147F7
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
287
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order.exe
Verdict:
Malicious activity
Analysis date:
2021-09-08 11:53:26 UTC
Tags:
trojan formbook
Link:
https://app.any.run/tasks/816b921c-2852-4a52-b0fd-cb023399a05b

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/186335/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Deleting a recently created file
Launching a process
Creating a process with a hidden window
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9183baf3-93e7-477a-b2fc-bcd8dc0e45b6
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/847356
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
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 dropped file
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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 schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 479783 Sample: Purchase Order.exe Startdate: 08/09/2021 Architecture: WINDOWS Score: 100 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Yara detected AntiVM3 2->48 50 10 other signatures 2->50 9 Purchase Order.exe 7 2->9         started        process3 file4 30 C:\Users\user\AppData\...\HcZsJWVkGndhY.exe, PE32 9->30 dropped 32 C:\...\HcZsJWVkGndhY.exe:Zone.Identifier, ASCII 9->32 dropped 34 C:\Users\user\AppData\Local\...\tmp189B.tmp, XML 9->34 dropped 36 C:\Users\user\...\Purchase Order.exe.log, ASCII 9->36 dropped 60 Writes to foreign memory regions 9->60 62 Allocates memory in foreign processes 9->62 64 Injects a PE file into a foreign processes 9->64 13 RegSvcs.exe 9->13         started        16 schtasks.exe 1 9->16         started        signatures5 process6 signatures7 66 Modifies the context of a thread in another process (thread injection) 13->66 68 Maps a DLL or memory area into another process 13->68 70 Sample uses process hollowing technique 13->70 72 2 other signatures 13->72 18 cmd.exe 13->18         started        21 explorer.exe 13->21 injected 24 conhost.exe 16->24         started        process8 dnsIp9 52 Modifies the context of a thread in another process (thread injection) 18->52 54 Maps a DLL or memory area into another process 18->54 56 Tries to detect virtualization through RDTSC time measurements 18->56 26 cmd.exe 1 18->26         started        38 www.fotografhannaneret.com 195.74.38.62, 49802, 80 NET-BINERO-STHLM1SE Sweden 21->38 40 www.constructioncleanup.pro 21->40 42 constructioncleanup.pro 34.102.136.180, 49796, 80 GOOGLEUS United States 21->42 58 System process connects to network (likely due to code injection or exploit) 21->58 signatures10 process11 process12 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/88714530301981f0bd18b9a48850ae30574ac70f6eaae0bc9586a357cf9d163e/
Threat name:
ByteCode-MSIL.Trojan.Razy
Create hunting rule
Status:
Malicious
First seen:
2021-09-08 11:53:16 UTC
AV detection:
18 of 46 (39.13%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rbyukmbqdga7bpiyxgsiqufogbluvrypn2vobpevq2rvpt45cy7a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1e447b92ca9481097e066983fe3f78b1d33304c054ccfdfbe60b4633e23283d3
Formbook
24de2bd743d1e6a100fada5dfaf51f9853a52be639eb311aa71b3a42e0a51a92
Formbook
361b0f41c92e2156b12838e48d3180831f211f605dc68d46532ee49eaa4a0638
Formbook
ab2f8c8398a0233c6d9b0308b3499e7cababf65a1ec913c4a88c895edaa822c7
Formbook
ad4bb72b8e2dfc1d1e4423c9a0983aa98dafff2ea460d1fabe666b6daaafb585
Formbook
b9c7b6e3537f8278ce7338f46ec1b658bb0ed0d9cf5b4c04e8d6427ded11f7b2
Formbook
fb3d959898083e1cccc4e905b59121f9aa46519668bacf0ecaa2aab92eabdb20
Formbook
+ 9'122 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:vd9n rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210908-n2axsahfaj/
Behaviour
Creates scheduled task(s)
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.constructioncleanup.pro/vd9n/
Unpacked files
SH256 hash:
9a8075c5d78a69661c1ed07d1dc6a8f76acc5edd1d900dec908fd95f3e00cdc4
MD5 hash:
7fc4eef3c07b4890608859686bb43c97
SHA1 hash:
05f2d020d59a10ace5506ec8f6a1a5377b3ab155
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/e09a03a0-7b7d-43a4-9c8c-a420881a712d/
Parent samples :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 hash:
9a569be1313734a7a5657149f890204e1246833e80ac0e45c15b9ebc972cfa99
MD5 hash:
db1ca79a10eb8debc020653b67a41ed4
SHA1 hash:
c9aff868749946879d85e0c75c11a085d3c244c2
Link:
https://www.unpac.me/results/e09a03a0-7b7d-43a4-9c8c-a420881a712d/
SH256 hash:
c4c93e8b4677420c2338313957a93d3e38778459169f0b050046726e7a427ad7
MD5 hash:
0969a5a47b66683b1c9cfc5393d37c9c
SHA1 hash:
0513b825f4f6908115b83579d360ce7d78f9460e
Link:
https://www.unpac.me/results/e09a03a0-7b7d-43a4-9c8c-a420881a712d/
SH256 hash:
88714530301981f0bd18b9a48850ae30574ac70f6eaae0bc9586a357cf9d163e
MD5 hash:
1d85ffea5a90ef90d45fe7848350fbeb
SHA1 hash:
4971fb41075f779b47c2276d748d93762c2d2079
Link:
https://www.unpac.me/results/e09a03a0-7b7d-43a4-9c8c-a420881a712d/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/887145303019/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/88714530301981f0bd18b9a48850ae30574ac70f6eaae0bc9586a357cf9d163e

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

Executable exe 88714530301981f0bd18b9a48850ae30574ac70f6eaae0bc9586a357cf9d163e

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/186335/

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