MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a48a1bb2cac5fd1bcc700d2aa244bb2e68cc5f675c0adea8a99d25feb0b2be0. 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: 6a48a1bb2cac5fd1bcc700d2aa244bb2e68cc5f675c0adea8a99d25feb0b2be0
SHA3-384 hash: b5e1dff5254487adeef22054646ced82b524fa2f6d2350d6bfa26e15a2c48f7a7f74e4d69516f2a6fe674ffef0538a82
SHA1 hash: 916ba9deff328d8883dc2575a3c48c4b8f86b359
MD5 hash: a1d2eb1b3b136f097bf55235e896f14b
humanhash: early-thirteen-papa-quebec
File name:QUOTATION 2021.08.28.bat
Download: download sample
Signature Formbook
Create hunting rule
File size:743'936 bytes
First seen:2021-08-28 10:16:48 UTC
Last seen:2021-08-30 14:03:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:zUpOJEqPeu6bYTReSqs9dzQl3BkobD/gZ0z:YpaEqPeu0GRks7SBzbDG0
Threatray 8'713 similar samples on MalwareBazaar
TLSH T190F42C7F19BDA2279175C6F58BE38827F0108B6F3110696476D343264326A7AB4F336E
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
5
# of downloads :
344
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QUOTATION 2021.08.28.bat
Verdict:
Malicious activity
Analysis date:
2021-08-28 10:18:19 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/ee4ac2e9-e018-48a9-b9cf-11e99cf6481d

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/183049/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.18981.18272.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/23c504e5-6e5a-4f7b-afe0-05bb2158a3a4
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/840706
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
Initial sample is a PE file and has a suspicious name
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)
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
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: 473137 Sample: QUOTATION 2021.08.28.bat Startdate: 28/08/2021 Architecture: WINDOWS Score: 100 31 www.suavit.com 2->31 33 HDRedirect-LB7-5a03e1c2772e1c9c.elb.us-east-1.amazonaws.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 12 other signatures 2->47 11 QUOTATION 2021.08.28.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\...\QUOTATION 2021.08.28.exe.log, ASCII 11->29 dropped 57 Injects a PE file into a foreign processes 11->57 15 QUOTATION 2021.08.28.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.ashevillebrewbites.com 185.238.225.53, 49719, 80 DXTL-HKDXTLTseungKwanOServiceHK United Kingdom 18->35 37 masqboutique.com 184.168.131.241, 49720, 80 AS-26496-GO-DADDY-COM-LLCUS United States 18->37 39 3 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 wlanext.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:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6a48a1bb2cac5fd1bcc700d2aa244bb2e68cc5f675c0adea8a99d25feb0b2be0/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-08-28 08:40:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=njekdozmvrp5dpghadjkujclwltizrpwoxak32ukthjf72ylfpqa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2080ae2cfe843c0e1754f994b356086718dd6dceedf974ca37b629fb4da817a6
Formbook
35880c5210af5dca3edc22a693ab5f0cfcec0105cec988d930ab29fe09bd3461
Formbook
52ac8ef8454aa3c6b7ea0b3332ec4f88640d30d27e276133197c5d00c85d7252
Formbook
6120294360629da33cd6f897de16401325be12ae2cd9dcc03857de7e0b4f94e4
Formbook
818b8b831f3c774e034e2794f1eae71f62f5388355916e948b472cfdac7f5508
Formbook
93fae9b54c0f1960139aa4007a0b8f695d61cdc5219fbfbe885c850a4f43a92d
Formbook
9de1892b227f07e8896b3dfa4d1f8b450bf2af962b1ec34f3075acc7a4187259
Formbook
cfee90218720f31491495dd353027017808fb3b9524d6c86ddfd016a372f627c
Formbook
e0e30c8c2180ba5b019bb78098a25811a1989a1bc6809e4c17130d887c47a24e
Formbook
+ 8'703 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ucze rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210828-m1ncbzaz6n/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.suavit.com/ucze/
Unpacked files
SH256 hash:
5c4839feb76e72b7ede9bb3f57e34a948b36fbbbdead59ca3586771abb2b5e7a
MD5 hash:
8d9d6f2173a821a821f9849ccf8d4f21
SHA1 hash:
777ab5bb88f22368ab0c386b0292fcef4dddff44
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/d973316e-7a17-4da8-a320-7ba106caa41a/
Parent samples :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 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
Link:
https://www.unpac.me/results/d973316e-7a17-4da8-a320-7ba106caa41a/
SH256 hash:
b765a30f3bf976aae5254f3e69b5e6b4f1b8238a5946f012c2e09f429592428d
MD5 hash:
bfdc5a9a79a8b34f731b4b7fa76ff411
SHA1 hash:
c16958ae18af78265813ad5e6c7f3c987111847a
Link:
https://www.unpac.me/results/d973316e-7a17-4da8-a320-7ba106caa41a/
SH256 hash:
6a48a1bb2cac5fd1bcc700d2aa244bb2e68cc5f675c0adea8a99d25feb0b2be0
MD5 hash:
a1d2eb1b3b136f097bf55235e896f14b
SHA1 hash:
916ba9deff328d8883dc2575a3c48c4b8f86b359
Link:
https://www.unpac.me/results/d973316e-7a17-4da8-a320-7ba106caa41a/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/6a48a1bb2cac/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/6a48a1bb2cac5fd1bcc700d2aa244bb2e68cc5f675c0adea8a99d25feb0b2be0

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 6a48a1bb2cac5fd1bcc700d2aa244bb2e68cc5f675c0adea8a99d25feb0b2be0

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/183049/

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