MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87e35b392f0e6ba445a7b302b087c7c443d7188240b2efb742d01ab7a62534ed. 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 3 File information Comments
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SHA256 hash: 87e35b392f0e6ba445a7b302b087c7c443d7188240b2efb742d01ab7a62534ed
SHA3-384 hash: 53e2395b1668deeacba88c2c2ee6b023cc416db2af06fa5bcab06862a562b1dc19f3d2a6c11cee53b81d0384f64c34a4
SHA1 hash: dea5f21d627e422047bf7b6e529257f4d64a31f5
MD5 hash: a2a6f26ff8b334eaf7a462b0a67046a5
humanhash: uranus-island-one-ink
File name:PO 270745.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:495'616 bytes
First seen:2021-09-03 04:19:08 UTC
Last seen:2021-09-06 12:54:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:IeolYYsCeKn27buHvPJjSiycaz7EsmEwuqetdu/c5i2:Ghsiob4Yiycaz79WetmcI2
Threatray 8'877 similar samples on MalwareBazaar
TLSH T188B41224C6AA063FC82F1877BDD312984BB6E142A122E7BD7D4F4394236B7E5C2D51C6
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
248
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO 270745.exe
Verdict:
Malicious activity
Analysis date:
2021-09-03 04:19:44 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/c700847a-2400-4d2f-8a52-1fb3fc7309d3

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/185002/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bf7cb484-4a41-47ae-a415-8bd91b600feb
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/844506
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 476937 Sample: PO 270745.exe Startdate: 03/09/2021 Architecture: WINDOWS Score: 100 31 www.xmjob110.com 2->31 33 pltraffic32.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 11 other signatures 2->47 11 PO 270745.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\PO 270745.exe.log, ASCII 11->29 dropped 57 Writes to foreign memory regions 11->57 59 Injects a PE file into a foreign processes 11->59 15 RegSvcs.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 2 other signatures 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.6917199.com 134.119.176.21, 49749, 80 VELIANET-ASvelianetInternetdiensteGmbHDE Germany 18->35 37 www.nicefushi.com 108.186.215.123, 49742, 80 PEGTECHINCUS United States 18->37 39 13 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 svchost.exe 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/87e35b392f0e6ba445a7b302b087c7c443d7188240b2efb742d01ab7a62534ed/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-09-03 01:59:35 UTC
AV detection:
9 of 43 (20.93%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=q7rvwojpbzv2irnhwmblbb6hyrb5ogeciczo7n2c2anlpjrfgtwq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0ae1df4d50a7ed640973980699737b85e8947baef0087c511b4b1ebf8bdc22ba
Formbook
33a9702e83888498799c0144e3a3ac06e095aa452ce066a02a3860dcd90d6bb8
Formbook
37d7d0735e4cedf32ffff58f24330efb4b9fd08cf836ca876350e69ee769ae66
Formbook
5ffbe2b24599383732373e34a80cd2cf864d806595d80dfc1e1ae3af83065780
Formbook
b5a2c6ad35eae14ca13d811a3a1a445fabee8a8aa63625f25520375a20fe44bd
Formbook
eeb09100ff7eb31eb91735290de6a3cfe364b50365f4713aef21f7cf3db5744d
Formbook
+ 8'867 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:imm8 loader rat suricata
Link:
https://tria.ge/reports/210903-ex46dsfbdm/
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
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.impactaccountingsolutions.com/imm8/
Unpacked files
SH256 hash:
19ad8f76ee9b6aad9de40d81efac29db12f45a1acb3af6be469ef6ec7ed1b2ac
MD5 hash:
079e47880b0579fdcb175f07bdbec8f2
SHA1 hash:
8a5e1704451077421f748b5c93b50cdb5a39bc52
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/42108677-4dbe-4535-aae0-96eceb244348/
Parent samples :
0ae1df4d50a7ed640973980699737b85e8947baef0087c511b4b1ebf8bdc22ba
eeb09100ff7eb31eb91735290de6a3cfe364b50365f4713aef21f7cf3db5744d
37d7d0735e4cedf32ffff58f24330efb4b9fd08cf836ca876350e69ee769ae66
33a9702e83888498799c0144e3a3ac06e095aa452ce066a02a3860dcd90d6bb8
b5a2c6ad35eae14ca13d811a3a1a445fabee8a8aa63625f25520375a20fe44bd
87e35b392f0e6ba445a7b302b087c7c443d7188240b2efb742d01ab7a62534ed
21d66e706ba5aa94f0c778ec914896b5c26db0c14ec93822cbe00525c2139845
SH256 hash:
9a569be1313734a7a5657149f890204e1246833e80ac0e45c15b9ebc972cfa99
MD5 hash:
db1ca79a10eb8debc020653b67a41ed4
SHA1 hash:
c9aff868749946879d85e0c75c11a085d3c244c2
Link:
https://www.unpac.me/results/42108677-4dbe-4535-aae0-96eceb244348/
SH256 hash:
cc7f9c54966789f3828bc1be3a39e7b76e3150f61eebde8a0646bef7f30a31b8
MD5 hash:
a95a7c15f9afaa5e7d39b1ffe8988eb9
SHA1 hash:
0fc14ea35dcb3cafdc8f717a2cbf2b0984416205
Link:
https://www.unpac.me/results/42108677-4dbe-4535-aae0-96eceb244348/
SH256 hash:
87e35b392f0e6ba445a7b302b087c7c443d7188240b2efb742d01ab7a62534ed
MD5 hash:
a2a6f26ff8b334eaf7a462b0a67046a5
SHA1 hash:
dea5f21d627e422047bf7b6e529257f4d64a31f5
Link:
https://www.unpac.me/results/42108677-4dbe-4535-aae0-96eceb244348/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/87e35b392f0e/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/87e35b392f0e6ba445a7b302b087c7c443d7188240b2efb742d01ab7a62534ed

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
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 87e35b392f0e6ba445a7b302b087c7c443d7188240b2efb742d01ab7a62534ed

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/185002/

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