MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b4d3e69b4e2e533522d48f27a0137e34b92b01e36d348c12f0df4371ed7d573. 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: 1b4d3e69b4e2e533522d48f27a0137e34b92b01e36d348c12f0df4371ed7d573
SHA3-384 hash: 39a721eb3d33c9632593a512946aba5011901d97754c427edbe409286e9c9ea43339db4d76b9bed34acb2df10ad02ab4
SHA1 hash: 081b85d8be2c8fd004407e20c7d5c0e2fcf0dd8f
MD5 hash: 9e856fa0646392a26030e9b6c3c537c2
humanhash: maine-jig-bulldog-missouri
File name:Order sheet 31082021.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:745'472 bytes
First seen:2021-08-31 02:27:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:QGTyqMfh4hol2LMiRT5P2JG+T2pmupWUgdCjHt:dTyffh4ho05Pt+CpfEoHt
Threatray 8'801 similar samples on MalwareBazaar
TLSH T1B7F42D7F19BDA2278175C6F58BE38827F0108B6F3110696476D347264322A7AB5F336E
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Order sheet 31082021.exe
Verdict:
Malicious activity
Analysis date:
2021-08-31 02:28:27 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/6b148c97-61be-4624-9eb9-fdf9da2b8466

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/183929/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bc0531af-6e6a-41b8-b337-d431569a8e56
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/842221
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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
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
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 signatures2 2 Behavior Graph ID: 474648 Sample: Order sheet 31082021.exe Startdate: 31/08/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 9 other signatures 2->42 10 Order sheet 31082021.exe 3 2->10         started        process3 file4 28 C:\Users\...\Order sheet 31082021.exe.log, ASCII 10->28 dropped 54 Injects a PE file into a foreign processes 10->54 14 Order sheet 31082021.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.talkotstopandshop.com 17->30 32 www.garboarts.com 91.195.240.13, 49728, 80 SEDO-ASDE Germany 17->32 34 11 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 explorer.exe 17->21         started        signatures10 process11 signatures12 46 Self deletion via cmd delete 21->46 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1b4d3e69b4e2e533522d48f27a0137e34b92b01e36d348c12f0df4371ed7d573/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-31 01:36:12 UTC
AV detection:
7 of 41 (17.07%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dngt42nu4lstgurnjdzhuajx4nfzfma6g3jurqjpbx2dohwx2vzq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1e46ccc09a1bbcf427da5d02951660cf45cdf9b809884988157d680888bf8796
Formbook
29f3a920994225a5424f5e1710a9980710e4330f85aeade18182b5fbd5f2a354
Formbook
5397f0168be76c7e5efee936d341eb359b9015af5e77631129dc0664105e9259
Formbook
6137b2968c98b110deef11d69b037a5d541b39b930628d12881b6daa5bdb9bb4
Formbook
6e2f5b008bdbf0b7c7c81649b7097bba3b1a6937b59c6e8eb20f1882707cfbbc
Formbook
6f42be9adbf8a5232ff93cbbd74b5616319ed32863c9b5cc9f6fb9383d618151
Formbook
89fd73d17d825a1e661f69b41ffd9fcd9f5a3d044159763cbc82ffd0210eb78a
Formbook
+ 8'791 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:p4se loader rat
Link:
https://tria.ge/reports/210831-j5ysf8stee/
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
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.appackersandmoversbengaluru.com/p4se/
Unpacked files
SH256 hash:
5b968378eba418b941868c054f6cbbff36243071fe1f9b8ecd93ac4c007d39bf
MD5 hash:
edf0022d128145c693ee9df21e66198e
SHA1 hash:
10807c044936d4c0b5f42ddfaf10f53f899745cd
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/b17a4a1c-f9cb-40c1-aa11-ea240176532c/
Parent samples :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 hash:
720bef074087bcc647ce5f508c695d23788957e284eaadf2eb83f5dbeddfdbc4
MD5 hash:
66e7c9a8d98b1319cf2794fe78531638
SHA1 hash:
30aca282f7978cb94a2b67590f7f5ba24eaaf066
Link:
https://www.unpac.me/results/b17a4a1c-f9cb-40c1-aa11-ea240176532c/
SH256 hash:
81f9eac76804c02f5baaa34c91b5775f965a34ad7811218d9c24e50cb6d9a90c
MD5 hash:
bae511742374b721136acaa03b0c1fa0
SHA1 hash:
215c50455b01a78ea173bbb034ddbe4b452ea734
Link:
https://www.unpac.me/results/b17a4a1c-f9cb-40c1-aa11-ea240176532c/
SH256 hash:
1b4d3e69b4e2e533522d48f27a0137e34b92b01e36d348c12f0df4371ed7d573
MD5 hash:
9e856fa0646392a26030e9b6c3c537c2
SHA1 hash:
081b85d8be2c8fd004407e20c7d5c0e2fcf0dd8f
Link:
https://www.unpac.me/results/b17a4a1c-f9cb-40c1-aa11-ea240176532c/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/1b4d3e69b4e2/report/overview.html
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/1b4d3e69b4e2e533522d48f27a0137e34b92b01e36d348c12f0df4371ed7d573

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 1b4d3e69b4e2e533522d48f27a0137e34b92b01e36d348c12f0df4371ed7d573

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/183929/

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