MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a7fe0cd38363beb6d54fc505feaef515c7dccd8d33c17b18a16c212f97b3d6a. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
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SHA256 hash: 3a7fe0cd38363beb6d54fc505feaef515c7dccd8d33c17b18a16c212f97b3d6a
SHA3-384 hash: ba0607b1239964fd081a3a85e660f9855cb572663e1f8400a194d12ef3e4b8cbf11fb9a9fd39c7dd1b05f02a1e021b1b
SHA1 hash: 5701f6920c3aca60332467328b04da29ea9ad3b6
MD5 hash: e82d77a8576301a0470498af2696c4c0
humanhash: queen-north-london-network
File name:Rechnung zur Steuerzahlung - Freitag, 12. November 2021,pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:452'096 bytes
First seen:2021-11-12 14:05:49 UTC
Last seen:2021-11-12 17:55:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:PMhPzs92iNpEsuEALUQ3njyc1Q9GHQKMCWHUW:PMS91gEALUSnjM9GHQS2U
Threatray 11'140 similar samples on MalwareBazaar
TLSH T169A4121932F19E19C33D8EB75663400287B4AE775922FBAF2DC635EA307AF910254B17
File icon (PE):PE icon
dhash icon 851a98b4909864c4 (58 x AgentTesla, 43 x Formbook, 34 x RedLineStealer)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5701f6920c3aca60332467328b04da29ea9ad3b6
Verdict:
Malicious activity
Analysis date:
2021-11-12 15:19:25 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b14d5540-f0e0-419b-a12e-6ea82079e669

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/205309/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/618e74cea00afa9663a521d3/reports/f3c5d756-eb08-40bc-8cc4-81d64aa8b8c4/overview
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e0d8f561-f2cd-4394-b40a-ff14b174c330
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/888155
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: CMSTP Execution Process Creation
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 dnsIp2 2 Behavior Graph ID: 520628 Sample: Rechnung zur Steuerzahlung ... Startdate: 12/11/2021 Architecture: WINDOWS Score: 100 31 www.wjmedicomms.com 2->31 33 www.gayko.info 2->33 35 wjmedicomms.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 10 other signatures 2->49 11 Rechnung zur Steuerzahlung - Freitag, 12. November 2021,pdf.exe 3 2->11         started        signatures3 process4 file5 29 Rechnung zur Steue...er 2021,pdf.exe.log, ASCII 11->29 dropped 63 Injects a PE file into a foreign processes 11->63 15 Rechnung zur Steuerzahlung - Freitag, 12. November 2021,pdf.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 37 carreirapowerbi.com 69.49.241.20, 49794, 80 UNIFIEDLAYER-AS-1US United States 18->37 39 dsilvaart.com 160.153.136.3, 49821, 80 GODADDY-AMSDE United States 18->39 41 13 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Performs DNS queries to domains with low reputation 18->53 22 cmstp.exe 18->22         started        signatures11 process12 signatures13 55 Self deletion via cmd delete 22->55 57 Modifies the context of a thread in another process (thread injection) 22->57 59 Maps a DLL or memory area into another process 22->59 61 Tries to detect virtualization through RDTSC time measurements 22->61 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3a7fe0cd38363beb6d54fc505feaef515c7dccd8d33c17b18a16c212f97b3d6a/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-11-12 14:06:05 UTC
AV detection:
15 of 44 (34.09%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hj76btjygy56w3ku7rif72xpkfoh3tgy2m6bpmmkc3bbf6l3hvva._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0d83906aa1c84a83028cd12f8ef9582a260f94e56c4254cb35735b98d7266b8e
Formbook
514772a7cf47826f748fcb6afe32458e89f1c9405162870eb208f7f54038d19d
Formbook
73074d31d76508707823817fd9a27010fb5f049ff255f991d034bd4bcf917d2e
Formbook
7a2c677533d0dfa9104ae8ff221f1933651349669fef6f26c957cb28199a96d6
Formbook
82adc1ae5adcf8277a595f34021ff3724d380c87a2b03477ef7aa7504b2c6b77
Formbook
973489958412d5278a51536aac60517969126519f59677ec9b2917c727ac832a
Formbook
9f32e72b1695726ee2c6d97c59fde0253f9193ae389efa65ce98869198419702
Formbook
+ 11'130 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:e3rs loader rat
Link:
https://tria.ge/reports/211112-reeh8sdeh8/
Behaviour
Enumerates system info in registry
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
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.0l0.xyz/e3rs/
Unpacked files
SH256 hash:
a928ca4ee461217a58624aaa31afe014a554803e8f61b48efdf1fb3eeaf987b5
MD5 hash:
40a919e7c079a47e5b5f325dfa022625
SHA1 hash:
09d8acf001a7b0766174176e3e0354596a87db83
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/71c1b939-b3a0-44db-afaf-e4020036eda2/
Parent samples :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 hash:
e67dac73c879482aaadf290ab126b5ca6ccdad25a26c93efbb11c4c58359ebda
MD5 hash:
b764969017c8d65eadfe7681e4606102
SHA1 hash:
f3b187238974fe3ff0e229c1434d0d9a1a31cd3b
Link:
https://www.unpac.me/results/71c1b939-b3a0-44db-afaf-e4020036eda2/
SH256 hash:
bd4c4912209802bb457983177d94b220d20dc9775ff973f90bd1c6afd729bc9c
MD5 hash:
8cde05c2cc918a68b075bdb2854c9994
SHA1 hash:
bc3c4e2826370171102ee8b7bd317493cd72c15f
Link:
https://www.unpac.me/results/71c1b939-b3a0-44db-afaf-e4020036eda2/
SH256 hash:
3a7fe0cd38363beb6d54fc505feaef515c7dccd8d33c17b18a16c212f97b3d6a
MD5 hash:
e82d77a8576301a0470498af2696c4c0
SHA1 hash:
5701f6920c3aca60332467328b04da29ea9ad3b6
Link:
https://www.unpac.me/results/71c1b939-b3a0-44db-afaf-e4020036eda2/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/3a7fe0cd3836/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/3a7fe0cd38363beb6d54fc505feaef515c7dccd8d33c17b18a16c212f97b3d6a

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
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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 3a7fe0cd38363beb6d54fc505feaef515c7dccd8d33c17b18a16c212f97b3d6a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/205309/

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