MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13c73dff53867a75126ec548cad96b47a82f412dfc347b7b68c97fbbdb33d818. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 13c73dff53867a75126ec548cad96b47a82f412dfc347b7b68c97fbbdb33d818
SHA3-384 hash: 0a16e786a1f6919fa78692267f95bfcc2ca6465704801b2b42c74baa88d5afe9432c0004adea2c5e7cd3805f200e7962
SHA1 hash: aaf4813c5870ff0882a4453904f8533db69bea75
MD5 hash: ac256a867183ec9f1a370bc41b58015d
humanhash: social-solar-cat-fourteen
File name:RFQ # 1045981 - MAA_D Plant Project r01.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:896'000 bytes
First seen:2023-06-13 08:03:27 UTC
Last seen:2023-06-15 20:59:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:B1gG1tCueiqrBvclUBhDrznW8OAqZDag49G6D3f8+8/Wi0:vgqtCDiqrhhznHWZODI6D3U+bi0
TLSH T1B015110236044D17C5797BF98F2162B137FF9A8A7915E3CB1CCAB089A8D6F466B11A07
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 0661697171716906 (9 x AgentTesla, 4 x Loki, 4 x Formbook)
Reporter cocaman
Tags:exe FormBook RFQ

Intelligence

File Origin
# of uploads :
4
# of downloads :
280
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ # 1045981 - MAA_D Plant Project r01.exe
Verdict:
Malicious activity
Analysis date:
2023-06-13 08:06:43 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/634dc5c4-5328-4617-9807-f64e9594e8ac

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/398153/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.738.1924.9343.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/648822f428381b85ed1a2387/reports/a722aef5-b734-44ad-9248-5892ea4c00a4/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/13c73dff53867a75126ec548cad96b47a82f412dfc347b7b68c97fbbdb33d818
Result
Verdict:
UNKNOWN
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/365ab3c7-d3e4-488e-b1b6-2c4e7a73d1e6
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1253435
Signature
Adds a directory exclusion to Windows Defender
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 886455 Sample: RFQ_#_1045981_-_MAA_D_Plant... Startdate: 13/06/2023 Architecture: WINDOWS Score: 80 37 Malicious sample detected (through community Yara rule) 2->37 39 Sigma detected: Scheduled temp file as task from temp location 2->39 41 Multi AV Scanner detection for submitted file 2->41 7 RFQ_#_1045981_-_MAA_D_Plant_Project_r01.exe 7 2->7         started        11 qWqppDN.exe 5 2->11         started        process3 file4 31 C:\Users\user\AppData\Roaming\qWqppDN.exe, PE32 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmp54CC.tmp, XML 7->33 dropped 35 RFQ_#_1045981_-_MA...Project_r01.exe.log, CSV 7->35 dropped 43 Uses schtasks.exe or at.exe to add and modify task schedules 7->43 45 Adds a directory exclusion to Windows Defender 7->45 13 powershell.exe 21 7->13         started        15 schtasks.exe 1 7->15         started        17 RegSvcs.exe 7->17         started        23 2 other processes 7->23 47 Multi AV Scanner detection for dropped file 11->47 19 schtasks.exe 1 11->19         started        21 RegSvcs.exe 11->21         started        signatures5 process6 process7 25 conhost.exe 13->25         started        27 conhost.exe 15->27         started        29 conhost.exe 19->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/13c73dff53867a75126ec548cad96b47a82f412dfc347b7b68c97fbbdb33d818/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-06-13 01:16:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
19 of 35 (54.29%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cpdt372tqz5hketoyvemvwlli6uc6qjn7q2hw63izf73xwzt3ama._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230613-jx9hbsfe29/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
4f39154f9d8ef46ec3c7c3d6f8b7c030d6fc1476c779f768b2d3ce396863e1d4
MD5 hash:
334fc97cf2eb1b3afdd0ec7bb780822f
SHA1 hash:
0a89465f4626262f59d7ea5d34eb8766524fa4e9
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/bf58aaee-4519-49f1-9f79-b2c6b80d773b/
Parent samples :
7ea834dea804921e3ae405125d386dd37a5e8fbb5c435090beec025f5c56ac31
19b7214fa574ae296ae0494841dbd55d213c422c8872867e1be8969bb6d0e812
eed6daf044779a9e7258ef8e0a4d35b5d174fe4c38678efd4d28d1d15a500541
0cf35dee450f97c6292a678eec6cec2c682abe638925be45ab06d865bbc5a1bb
fae382236e9fdef35faef2dfe2c8f604917de1507900341fe50391abf56d1eb8
13c73dff53867a75126ec548cad96b47a82f412dfc347b7b68c97fbbdb33d818
f25beb74b5cbaeaf3ed9497d7c29d276fdf449f7c634dda71b72f2d9b5483f37
d2b52bb53b70d2c91072c917fec7a81ab9de2384eafd1abe8c66e85f5b3e85ca
f3053c7e048f3a0446a3a5b005a73173720e037f7372c4dad57955b23c42d3f0
7c34a775e0bf30bcd2983db83edc98a9d4f0eace683ab77ae3d03173461c76ac
2946528b4254f25d435788aa8d8f565624898943dc6861aad8f732dcbb4f1051
45dec1fc7a43e44be22a5bc161baaff3a7573562b1574246e5c59235620d715e
276a229b8dc54203f9009eb1d2f50d391e16ed1831463687627fe89174a4ef9a
SH256 hash:
bcdf6407de5f7a6c9e2a5cd8d5d05acc08739585c4fc626c4e4cc1dec995d462
MD5 hash:
ca7c7722dd3923ddd9cf6d411d0a970a
SHA1 hash:
bed4d764bccfb3be1389eb735bc91c7685757cdc
Link:
https://www.unpac.me/results/bf58aaee-4519-49f1-9f79-b2c6b80d773b/
SH256 hash:
bc9aeb0c3c442314dfd68c5fea50e9ae406864ea69f985be4ab63715239a0bc3
MD5 hash:
376f9ad890650c3a6726c4446c4386f3
SHA1 hash:
e95c366ef5c0d29965883720021c81329e816c5c
Link:
https://www.unpac.me/results/bf58aaee-4519-49f1-9f79-b2c6b80d773b/
SH256 hash:
c440617e04a50ced73c8ab992cbe8d8954a3e41f21f046ee9d1f2a41ea9b416d
MD5 hash:
9390df6c9a6111978dee5414bc42eda6
SHA1 hash:
d3cb1c366b9e466afa93eb369838a04d30777795
Link:
https://www.unpac.me/results/bf58aaee-4519-49f1-9f79-b2c6b80d773b/
SH256 hash:
6afc22cd10520b188814ce708b3c9258116e41046f6d6a70cd14d1a9d329a3a7
MD5 hash:
f530e1492bf4d06a3074d43d53a322aa
SHA1 hash:
9d24a16e310b0eedf0ed938d6f615c812d1f7cca
Link:
https://www.unpac.me/results/bf58aaee-4519-49f1-9f79-b2c6b80d773b/
SH256 hash:
13e9be0aba1cef3943954d2a204472356721075f8ecbfe565a476aec8346fdc6
MD5 hash:
4ce78b41df3f0bb4dff20793bcc9f78d
SHA1 hash:
4de22b09a356224b9916836ba2ee181d369d5f4f
Link:
https://www.unpac.me/results/bf58aaee-4519-49f1-9f79-b2c6b80d773b/
SH256 hash:
13c73dff53867a75126ec548cad96b47a82f412dfc347b7b68c97fbbdb33d818
MD5 hash:
ac256a867183ec9f1a370bc41b58015d
SHA1 hash:
aaf4813c5870ff0882a4453904f8533db69bea75
Link:
https://www.unpac.me/results/bf58aaee-4519-49f1-9f79-b2c6b80d773b/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/13c73dff5386/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/13c73dff53867a75126ec548cad96b47a82f412dfc347b7b68c97fbbdb33d818

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Malspam

Formbook

rar cb290c220f3e548dcbb6da1833165d4fc1a5cac6ab2f3636d1f25baaf4dd2079

Formbook

Executable exe 13c73dff53867a75126ec548cad96b47a82f412dfc347b7b68c97fbbdb33d818

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 cb290c220f3e548dcbb6da1833165d4fc1a5cac6ab2f3636d1f25baaf4dd2079
Cape
Cape
https://www.capesandbox.com/analysis/398153/
  
Dropped by
SHA256 6ec07dff8e8abcffcb2c52423086094c5aaba1194645cc0c562b9bcce5944ba0
  
Dropped by
MD5 1ff755d7e027f42ed86782a72276b0b7
  
Dropped by
MD5 e77c021e35a72947da5f6cae543188b6

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