MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f26dff77c5abe47b2f1ec6360396fef9b66c18fa7c76629568de2089bc7052f. 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 6 File information Comments
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SHA256 hash: 1f26dff77c5abe47b2f1ec6360396fef9b66c18fa7c76629568de2089bc7052f
SHA3-384 hash: f7dba8d59575015a0d2b3dc9d0e68c356eb511e0756ee7ce935e86d61082bbee324649ba29e4eadc2b8270d84afb71d2
SHA1 hash: 6c4344702e83eb754f9b780645c3a813700476e8
MD5 hash: 136e080b03cd5048ff58240df85105a8
humanhash: solar-beryllium-nineteen-five
File name:E20210917ML-RFQ.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:839'168 bytes
First seen:2021-10-04 10:37:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:2cHF8YAmMqmodEXVV8TorUAey3aom/6tKrPt4fwGfSQJNcahBsvm1IVCrr6PlVsM:iJIFit/GzTLpJz3TFF+V6+a
Threatray 9'877 similar samples on MalwareBazaar
TLSH T19505BE1963AC9B4EC6BFC7FAB01350181776EE4A3E0DD6059EC231E81E75BB14A464CB
File icon (PE):PE icon
dhash icon 00868ecccce8cc10 (13 x AgentTesla, 9 x Formbook, 2 x NanoCore)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
E20210917ML-RFQ.exe
Verdict:
Malicious activity
Analysis date:
2021-10-04 10:38:39 UTC
Tags:
trojan formbook stealer opendir
Link:
https://app.any.run/tasks/2dd29430-1f54-4758-b3a8-638304434768

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/194560/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1048-2.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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/615c0f6ee3d213d202b76f08/reports/235544a1-14b9-4b7d-ac65-656de96fa4eb/overview
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4129d599-948f-4bdf-9e4b-f0df37e25228
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/863817
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Self deletion via cmd delete
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
Uses TOR for connection hidding
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 496245 Sample: E20210917ML-RFQ.exe Startdate: 04/10/2021 Architecture: WINDOWS Score: 100 29 www.deepspotters.com 2->29 31 webredir.vip.gandi.net 2->31 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 11 other signatures 2->55 10 E20210917ML-RFQ.exe 3 2->10         started        signatures3 process4 file5 27 C:\Users\user\...20210917ML-RFQ.exe.log, ASCII 10->27 dropped 57 Tries to detect virtualization through RDTSC time measurements 10->57 59 Injects a PE file into a foreign processes 10->59 14 E20210917ML-RFQ.exe 10->14         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 14->61 63 Maps a DLL or memory area into another process 14->63 65 Sample uses process hollowing technique 14->65 67 Queues an APC in another process (thread injection) 14->67 17 svchost.exe 14->17         started        20 explorer.exe 14->20 injected process9 dnsIp10 39 Self deletion via cmd delete 17->39 41 Modifies the context of a thread in another process (thread injection) 17->41 43 Maps a DLL or memory area into another process 17->43 45 Tries to detect virtualization through RDTSC time measurements 17->45 23 cmd.exe 1 17->23         started        33 onionplusfoods.com 95.217.199.41, 49844, 80 HETZNER-ASDE Germany 20->33 35 www.kikofriends.com 178.77.110.86, 49845, 80 GODADDYDE Germany 20->35 37 6 other IPs or domains 20->37 47 System process connects to network (likely due to code injection or exploit) 20->47 signatures11 process12 process13 25 conhost.exe 23->25         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1f26dff77c5abe47b2f1ec6360396fef9b66c18fa7c76629568de2089bc7052f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-27 02:27:05 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=d4tn7534lk7epmxr5rrwaolp56nwnqmpu7dwmkkwrxrarg6hauxq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2fc82f206abb0d6d6b4d7a916be93b408ab78f848531917b3968b066a5a31023
Formbook
326a1e669385d8e241375e9eca9f915440f1d0d3f803e6d1648f30102cbedaa6
Formbook
50c6754cbbd313acc6a250182439a1191d8f8318f0794feea75bd647b6205f7a
Formbook
5852e0b1479d914e16a2f1cf21d61ff4e1f3d35b6fa5dbcf0055cfc2c9a89936
Formbook
64e3a0f2298f21833eb7a9c51aa0b2b8d3354bdcefb0156bb34371e3163d8b3d
Formbook
87f8905d999f293634fddf1bff47a614041bdfaa2f07ef19fe70e5296a7b086e
Formbook
95b6ba2be30399f87d20e021bee29f0eb46773b67407f3ed9987d22610d5249d
Formbook
c4c9d27ea805c32e7f0e66dc0d9534d8fbd87f4c1327727b2e1e9ae937f02c45
Formbook
e6cde5c1b614549613d30761b34c899f4ff69d7e6e3147c21d68bedd64f8fe25
Formbook
ee3ae7c76f41fab122d32494212625226a1784fb209b46b657272f0f3f0158b9
Formbook
+ 9'867 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:a6er loader rat suricata
Link:
https://tria.ge/reports/211004-mpdx8sgcbn/
Behaviour
Modifies registry class
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
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.revivalgomghw.xyz/a6er/
Unpacked files
SH256 hash:
9cbf7480af1c4b72079df2e083e8bacfef5f2c645ad01d73cf34e2fb26cfea39
MD5 hash:
7248dfa83ace524f4c521a2bde50ea11
SHA1 hash:
e14956cfedf842ec368835925455d825de5406b6
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/206791f8-d925-4ff7-a6fa-6d39f91f7524/
SH256 hash:
43e32d345f0d256c43c323b12ab9f6f0c31339f6529644f5213daa22139b6657
MD5 hash:
c3c94532c1d2cae42ff05f070db59bd6
SHA1 hash:
530e53b72e2e8b7912c5c1912a6c0252077e2e6d
Link:
https://www.unpac.me/results/206791f8-d925-4ff7-a6fa-6d39f91f7524/
SH256 hash:
3d535164046b39e60ebd3cf2dc54f66bc565e41b210363c37a8ee7fc8744a020
MD5 hash:
f935abc93b26a80fa571d3880256d1c3
SHA1 hash:
513d6b38435d3323d1654a0fb50bc8bd769fc335
Link:
https://www.unpac.me/results/206791f8-d925-4ff7-a6fa-6d39f91f7524/
SH256 hash:
efd2f7657839b252c2fb8489c1ccf610b8e57b471efe049de86a74bc1506775d
MD5 hash:
c3f3e4a9e9ab54bf847a9fc02e7a2160
SHA1 hash:
0853bec33e36ede763927cda0f03129ca763bc07
Link:
https://www.unpac.me/results/206791f8-d925-4ff7-a6fa-6d39f91f7524/
SH256 hash:
1f26dff77c5abe47b2f1ec6360396fef9b66c18fa7c76629568de2089bc7052f
MD5 hash:
136e080b03cd5048ff58240df85105a8
SHA1 hash:
6c4344702e83eb754f9b780645c3a813700476e8
Link:
https://www.unpac.me/results/206791f8-d925-4ff7-a6fa-6d39f91f7524/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1f26dff77c5abe47b2f1ec6360396fef9b66c18fa7c76629568de2089bc7052f

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_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
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe 1f26dff77c5abe47b2f1ec6360396fef9b66c18fa7c76629568de2089bc7052f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/194560/

Comments