MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 53495ecf8b97a44f42431f7a069d6d993728788af54c20ce7ece289640c3e1c9. 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: 16


Intelligence 16 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 53495ecf8b97a44f42431f7a069d6d993728788af54c20ce7ece289640c3e1c9
SHA3-384 hash: 81e71a66dcd20120d441811d17387d8e9798544f22224afe473295078baa0391b31d177472c353e203603c3950659f28
SHA1 hash: 9b3f3e7ab491450cfb595584d316a48cdf6c9138
MD5 hash: 8babf47c462b4c9dc2e4331d2cbbce2b
humanhash: london-asparagus-robert-orange
File name:shedfmb2.1.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:365'740 bytes
First seen:2022-11-21 14:27:31 UTC
Last seen:2022-11-21 16:46:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 6144:HEa0eDyf/UBrohN9DYGWKkmHiQIKXNa6OltJae/Sa+tSV93niGBk:LdNGWKhcltJatSf3n/k
TLSH T1E87423A5E3C1E5ABC9066F349862F3709736CE9484887EC317837BBBBE7261786150D4
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon e2c88c88b69c5899 (2 x Formbook, 1 x AveMariaRAT)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
281
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
shedfmb2.1.exe
Verdict:
Malicious activity
Analysis date:
2022-11-21 14:27:58 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/daacdf8f-8766-4b6e-a560-1e708146c17b

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/336795/
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.22545.14338.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/637b8af35f223762e6ee12d4/reports/0697597b-b4d7-4c26-ba38-6b6672166611/overview
Result
Verdict:
MALICIOUS
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/cc868db6-2f96-4155-a788-5ebbae0f8527
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1118168
Signature
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 750880 Sample: shedfmb2.1.exe Startdate: 21/11/2022 Architecture: WINDOWS Score: 100 47 Malicious sample detected (through community Yara rule) 2->47 49 Yara detected FormBook 2->49 51 C2 URLs / IPs found in malware configuration 2->51 53 2 other signatures 2->53 11 shedfmb2.1.exe 18 2->11         started        process3 file4 31 C:\Users\user\AppData\...\jcwiqsmrvv.exe, PE32 11->31 dropped 14 jcwiqsmrvv.exe 11->14         started        process5 signatures6 63 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->63 65 Maps a DLL or memory area into another process 14->65 67 Tries to detect virtualization through RDTSC time measurements 14->67 17 jcwiqsmrvv.exe 14->17         started        process7 signatures8 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Sample uses process hollowing technique 17->43 45 Queues an APC in another process (thread injection) 17->45 20 explorer.exe 17->20 injected process9 dnsIp10 33 www.lgcdct.cfd 146.70.149.41, 49701, 80 TENET-1ZA United Kingdom 20->33 35 www.becrownedllc.com 20->35 37 parkingpage.namecheap.com 198.54.117.215, 49700, 80 NAMECHEAP-NETUS United States 20->37 55 System process connects to network (likely due to code injection or exploit) 20->55 24 svchost.exe 20->24         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Maps a DLL or memory area into another process 24->59 61 Tries to detect virtualization through RDTSC time measurements 24->61 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/53495ecf8b97a44f42431f7a069d6d993728788af54c20ce7ece289640c3e1c9/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-11-21 14:26:58 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=knev5t4ls6se6qsdd55anhlnte3sq6ek6vgcbtt6zyujmqgd4heq._file
Verdict:
malicious
Label(s):
formbook
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cobaltstrike
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:sk19 rat spyware stealer trojan
Link:
https://tria.ge/reports/221121-rszrbsha9v/
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 WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4a1165b5-1668-4c37-b13b-7da123b58934
Unpacked files
SH256 hash:
de732771e75023f249690f69881001b419aa82e0798bf74b2a4e93aa6f3269a6
MD5 hash:
8ab7de5fecc18e22d49b574f7be64592
SHA1 hash:
be04ac5fa8f1dbb6a0aafc30a28a37d0cea2a9ef
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/b9ac5308-28b1-4fd7-8352-f276051b7c9e/
Parent samples :
53495ecf8b97a44f42431f7a069d6d993728788af54c20ce7ece289640c3e1c9
d8958a368d1b240ea4aeec66e287dc6ff1047f6e322276c8b7234a2d64aca3b1
2728b4a373b5fe9349f007facb3e2194f41b80ec41aa0eb87864bf81e7da0b8e
c9cf9f0fa6980019aa3a93b9b25ca2cf14cfad4b4afef12d43a20ece34d2093b
037d18a0489c63d5d9ba87f8ea9652c511df0787eb9d8fe361cfab7f93e03582
469162ec601c979d1e51ad44ea01fa8a4520d650773e7280918128b43691f2e4
SH256 hash:
cea091ab5e6f68477141c8417148bfcb85bdc4f5c2e81c93bf7311893782e834
MD5 hash:
264aa7be71a649e045ef190df9f5df82
SHA1 hash:
cbdee7e5e10f17481428a3153194b0d1895fd61e
Link:
https://www.unpac.me/results/b9ac5308-28b1-4fd7-8352-f276051b7c9e/
SH256 hash:
53495ecf8b97a44f42431f7a069d6d993728788af54c20ce7ece289640c3e1c9
MD5 hash:
8babf47c462b4c9dc2e4331d2cbbce2b
SHA1 hash:
9b3f3e7ab491450cfb595584d316a48cdf6c9138
Link:
https://www.unpac.me/results/b9ac5308-28b1-4fd7-8352-f276051b7c9e/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/53495ecf8b97/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/53495ecf8b97a44f42431f7a069d6d993728788af54c20ce7ece289640c3e1c9

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/336795/
  
URLhaus
https://urlhaus.abuse.ch/url/2428624/

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