MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6e71e82dcb056af810baae26909b712ec2dc1610bbf8ebbee00b62f9bb2b3189. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
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SHA256 hash: 6e71e82dcb056af810baae26909b712ec2dc1610bbf8ebbee00b62f9bb2b3189
SHA3-384 hash: 740db2207122c2b820abb33e3e7a0d49b5e3b67045ec1be278e3025341b92f83f6f61b6b32cae19bc41d1fe03241a36b
SHA1 hash: d63fc0888cee40b90f2dcfb96605b8720b60736e
MD5 hash: f3c9093843cb99abb526c24e5d5cb8b1
humanhash: massachusetts-lamp-autumn-hamper
File name:Invoice confirmation & NEW PO for 2 sets of items.exe
Download: download sample
Signature Formbook
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File size:251'432 bytes
First seen:2021-06-25 14:12:28 UTC
Last seen:2021-06-28 06:33:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b1a57b635b23ffd553b3fd1e0960b2bd (39 x Formbook, 29 x Loki, 27 x AgentTesla)
ssdeep 6144:sTqjF9xMIMgoQS636xTz6bOrmKOUbAuQ+d:ssxnS63KrRAuQM
Threatray 6'016 similar samples on MalwareBazaar
TLSH 32341215FBC152F3E6A305B209E353B6FB79004D5263B5935BE00F3B2E5368AD968782
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
120
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice confirmation & NEW PO for 2 sets of items.exe
Verdict:
Malicious activity
Analysis date:
2021-06-25 14:16:23 UTC
Tags:
trojan formbook stealer covid19
Link:
https://app.any.run/tasks/a0a72658-69c7-427d-a4bd-303fe5b59517

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/168342/
Detection(s):
SecuriteInfo.com.Dropped.Trojan.Zuf.1.Gen.19267.15453.UNOFFICIAL
Create hunting rule

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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6b6b6143-aa91-42e3-8e17-54454a717ee5
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/808170
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 440581 Sample: Invoice confirmation & NEW ... Startdate: 25/06/2021 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 8 other signatures 2->42 8 Invoice confirmation & NEW PO for 2 sets of items.exe 20 2->8         started        12 explorer.exe 2->12         started        process3 dnsIp4 26 C:\Users\user\AppData\Local\...\System.dll, PE32 8->26 dropped 28 C:\Users\user\AppData\Local\Temp\hlzb, DOS 8->28 dropped 44 Maps a DLL or memory area into another process 8->44 15 Invoice confirmation & NEW PO for 2 sets of items.exe 8->15         started        30 www.thegoodshake.com 217.160.0.136, 49741, 80 ONEANDONE-ASBrauerstrasse48DE Germany 12->30 32 www.covidscreen.expert 208.91.197.39, 49737, 80 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 12->32 34 4 other IPs or domains 12->34 46 System process connects to network (likely due to code injection or exploit) 12->46 18 explorer.exe 12->18         started        20 autoconv.exe 12->20         started        file5 signatures6 process7 signatures8 48 Modifies the context of a thread in another process (thread injection) 15->48 50 Maps a DLL or memory area into another process 15->50 52 Sample uses process hollowing technique 15->52 54 Queues an APC in another process (thread injection) 15->54 56 Tries to detect virtualization through RDTSC time measurements 18->56 22 cmd.exe 1 18->22         started        process9 process10 24 conhost.exe 22->24         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/6e71e82dcb056af810baae26909b712ec2dc1610bbf8ebbee00b62f9bb2b3189/
Threat name:
Win32.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-06-25 13:53:00 UTC
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nzy6qlolavvpqef2vytjbg3rf3bnyfqqxp4oxpxabnrptozlggeq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1fc7c86df7aa45224f6c8f4a94513663dfe77dc79603a0c1325736c376aa68e2
Formbook
27b3ee09de06ff54ca8947425175ff4c07f48dc07df976ab42a7990ceeb5232c
Formbook
473ec4f2b7a198ff36e66b86cbc05848883b4dffeaacb8b9c97e67e88e977986
Formbook
4d90c368dbb4c085f00a9d323996a1c6235acd5afadcbcf935d0b56a432a3410
Formbook
5fc1f737492b4a7e01b1e2befa4e25b1a65c7a6a83b4ec419660d0c3c4894300
Formbook
69c160253f4c576461da2234cc0ae8518251e398f91ce74d7c061db04b4470ef
Formbook
ad2a5569cb14f86fe191f54f6fecb7bf1fe389418858f5fc72e6367c9780a9f0
Formbook
e47fa9824fd9f5f8e8b42fb02f53cfbf57b7c784d54c9e76ed247a9d297835cf
Formbook
e68f17cfe87742103150ca9abd6cc16581caa6e0e0243d03fae2c89c2609c974
Formbook
fbd84cb8e6af7a001f186ce8bde8bd4cb163a77113b6cee0342b148fbaf2b386
Formbook
+ 6'006 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210625-81qnb8312a/
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.xzklzl.com/gbwy/
Unpacked files
SH256 hash:
c4acfbab042fc79ae2dd1d90f0d4769437c83b93507fef8095fff44c5c807647
MD5 hash:
cc99435f5a8adf19e4dc5e7251f7393a
SHA1 hash:
1e9b0c20d4a9901b33c4f3290a17b7222440a3f6
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/d2d1fbc0-61a8-468b-92ea-e80b95718763/
Parent samples :
473ec4f2b7a198ff36e66b86cbc05848883b4dffeaacb8b9c97e67e88e977986
1fc7c86df7aa45224f6c8f4a94513663dfe77dc79603a0c1325736c376aa68e2
6e71e82dcb056af810baae26909b712ec2dc1610bbf8ebbee00b62f9bb2b3189
311c2667d094e51f0ad2596333a243ca6296d25c07223abf95af0256ed7aeb97
6164b2ec2fb35d3d23436b32a695beb72917b2fdc58b3191e2d9a83e2caac810
SH256 hash:
bb6df93369b498eaa638b0bcdc4bb89f45e9b02ca12d28bcedf4629ea7f5e0f1
MD5 hash:
56a321bd011112ec5d8a32b2f6fd3231
SHA1 hash:
df20e3a35a1636de64df5290ae5e4e7572447f78
Link:
https://www.unpac.me/results/d2d1fbc0-61a8-468b-92ea-e80b95718763/
SH256 hash:
6e71e82dcb056af810baae26909b712ec2dc1610bbf8ebbee00b62f9bb2b3189
MD5 hash:
f3c9093843cb99abb526c24e5d5cb8b1
SHA1 hash:
d63fc0888cee40b90f2dcfb96605b8720b60736e
Link:
https://www.unpac.me/results/d2d1fbc0-61a8-468b-92ea-e80b95718763/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.47
Link:
https://yomi.yoroi.company/submissions/6e71e82dcb056af810baae26909b712ec2dc1610bbf8ebbee00b62f9bb2b3189

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
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Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 6e71e82dcb056af810baae26909b712ec2dc1610bbf8ebbee00b62f9bb2b3189

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/168342/

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