MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa768c2c6e6e99313d1de9367ad2b894ce051ae3ce3ed1aeedc806ab8b0a0f80. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aa768c2c6e6e99313d1de9367ad2b894ce051ae3ce3ed1aeedc806ab8b0a0f80
SHA3-384 hash: e4d3e7bca8d88a3986327ad3111295d71ae03dad1106f114424aba42ff7e4a8fb0c520c7f4ab4d922dff6ea580ceabcc
SHA1 hash: bc22e5cc1c62b22cf42160d750e7a4a211778d81
MD5 hash: 085c1ff2241ecf47e96f448c19d08d36
humanhash: steak-lithium-rugby-massachusetts
File name:Scan_202005.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:605'696 bytes
First seen:2021-10-11 06:58:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:o7o4EMoTNRhvWILQuTcWOryY6qAxI+qp+eoto7mk32twx+tbXB0:3RLs2YX+6+eoC7m7twx+b
Threatray 10'233 similar samples on MalwareBazaar
TLSH T11CD4BF3429FA111BF273EFB95EE07596DE6EB7722612D45D2451038B0623E81CEC293E
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Scan_202005.exe
Verdict:
Malicious activity
Analysis date:
2021-10-11 07:01:01 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/154edf62-d059-4877-a88f-4cb14aafa035

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/196492/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25-2.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:
greyware obfuscated packed
Link:
https://www.filescan.io/uploads/6163e0b79fb4d8593d614922/reports/633bdfcf-7c08-4ca2-83bb-f4cbfcd29468/overview
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/868144
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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 dropped file
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
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 500571 Sample: Scan_202005.exe Startdate: 12/10/2021 Architecture: WINDOWS Score: 100 39 xn--22c2bxc0b4e1al.com 2->39 41 www.xn--22c2bxc0b4e1al.com 2->41 43 2 other IPs or domains 2->43 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 8 other signatures 2->57 11 Scan_202005.exe 7 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\SKELGHeDvl.exe, PE32 11->33 dropped 35 C:\Users\user\AppData\Local\...\tmp48D2.tmp, XML 11->35 dropped 37 C:\Users\user\AppData\...\Scan_202005.exe.log, ASCII 11->37 dropped 67 Uses schtasks.exe or at.exe to add and modify task schedules 11->67 69 Tries to detect virtualization through RDTSC time measurements 11->69 71 Injects a PE file into a foreign processes 11->71 15 Scan_202005.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 73 Modifies the context of a thread in another process (thread injection) 15->73 75 Maps a DLL or memory area into another process 15->75 77 Sample uses process hollowing technique 15->77 79 Queues an APC in another process (thread injection) 15->79 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 45 www.prayershawls.store 81.200.118.253, 49831, 80 BEGET-ASRU Russian Federation 20->45 47 riverlegacyelectric.com 173.201.181.36, 49809, 80 AS-26496-GO-DADDY-COM-LLCUS United States 20->47 49 7 other IPs or domains 20->49 59 System process connects to network (likely due to code injection or exploit) 20->59 26 msiexec.exe 20->26         started        signatures11 process12 signatures13 61 Self deletion via cmd delete 26->61 63 Modifies the context of a thread in another process (thread injection) 26->63 65 Maps a DLL or memory area into another process 26->65 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/aa768c2c6e6e99313d1de9367ad2b894ce051ae3ce3ed1aeedc806ab8b0a0f80/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-11 06:59:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vj3iyldon2mtcpi55e3hvuvysthakgxdzy7ndlxnzadkxcykb6aa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
03b8b680955c5827b5f80ace4afb923c2a5714cbe1b9ca579ab6f197b8826bc6
Formbook
151ac73a940835aa086b34eb4a68f0a8cd5a124622f9f4173a2072cfd1c9ed82
Formbook
1f651f590aaf7682d6b480e690099b4115d91f5a260c961ecc6030b2c280708a
Formbook
4217bf1cf710804c6b4a7b6a7d03974aaa655e512e3bf854c193feb7b2a8d422
Formbook
75772375acbcfb6cb668fc2449671a6a83afe1434184ac7c01fd895825fcf5e6
Formbook
87f8905d999f293634fddf1bff47a614041bdfaa2f07ef19fe70e5296a7b086e
Formbook
934615bde495d4cbbfd0178c6eea46804cb19a447db1a8781bb43c5986012cbb
Formbook
9c558e9f026119bab2580c1e38533870d351b1e01e65341427194504e2cdf490
Formbook
d079479dd85fb94fe08f6cd70cfff35e39c14294174a8ed6f9b480ffc1cbc9b2
Formbook
e4f8b98f8e13c39a8a37fe7f2ac39f76790ae154a1a47941d889c663675e970e
Formbook
+ 10'223 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:pfrp loader rat suricata
Link:
https://tria.ge/reports/211011-hr3l6agehl/
Behaviour
Creates scheduled task(s)
Gathers network information
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
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.25922727.com/pfrp/
Unpacked files
SH256 hash:
b43ee265adace2247b11976feef6f525a2378fe233576f74f99cf2c21761dd79
MD5 hash:
bbbb1e0ecfbdd80b32f6b03ab140c939
SHA1 hash:
1b46e53eee1584855a087e32c15fa141a14e9af9
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/00cdfee6-992f-40d9-8594-72ba426ae9fe/
Parent samples :
aa768c2c6e6e99313d1de9367ad2b894ce051ae3ce3ed1aeedc806ab8b0a0f80
b9b0ce10496a723998fd40bd2662d231e6135c465000d319b708736570d0bd09
309823f6a6820db5d24443327e3b566f8d2aa16b3a9052086f521488a46e1532
SH256 hash:
d434e7cb4105d7e760a39a1a8a1306338b00fbd6507025d53e4c44ede73d3788
MD5 hash:
6613b992e916924c3f38a179bb9866ab
SHA1 hash:
cd5741f4d0a4685c5fd9c9e2e708bbf33ec1691a
Link:
https://www.unpac.me/results/00cdfee6-992f-40d9-8594-72ba426ae9fe/
SH256 hash:
543eeb234a46cd689497ded7c583859ad9627a88845dcf2a5a59231bbee1f029
MD5 hash:
2751c23d7c139193830aa5629f656183
SHA1 hash:
abe52f4dd677a4d292c6c6eddd603ea285e5e1a5
Link:
https://www.unpac.me/results/00cdfee6-992f-40d9-8594-72ba426ae9fe/
SH256 hash:
aa768c2c6e6e99313d1de9367ad2b894ce051ae3ce3ed1aeedc806ab8b0a0f80
MD5 hash:
085c1ff2241ecf47e96f448c19d08d36
SHA1 hash:
bc22e5cc1c62b22cf42160d750e7a4a211778d81
Link:
https://www.unpac.me/results/00cdfee6-992f-40d9-8594-72ba426ae9fe/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/aa768c2c6e6e99313d1de9367ad2b894ce051ae3ce3ed1aeedc806ab8b0a0f80

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 aa768c2c6e6e99313d1de9367ad2b894ce051ae3ce3ed1aeedc806ab8b0a0f80

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/196492/

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