MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ceb853d98e8492c1db5ac97556265c56d133dc0b16fbf1205351df2f5c542be. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3ceb853d98e8492c1db5ac97556265c56d133dc0b16fbf1205351df2f5c542be
SHA3-384 hash: fd4ca18690a25e381a88560e8c2492f02e36a8cb249ee134bd8c4fef8e588670a61f6a0f4ea9e3b9f18f3c1956d61d97
SHA1 hash: 2e1236360a67f7dab11a58ccf6465fa83cff1cf2
MD5 hash: d7a076e1728a07b4f33497d30d1e68bb
humanhash: lion-alpha-virginia-beer
File name:d7a076e1728a07b4f33497d30d1e68bb.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:779'264 bytes
First seen:2021-03-01 13:31:17 UTC
Last seen:2021-03-01 15:37:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:wGm2avAtAFmfBZ6QZC4sH1vzFLQ+roE5erI4sgw:nsAtAwf5lsVvzZQopF4s
Threatray 3'950 similar samples on MalwareBazaar
TLSH 3BF46C3222545B95E07DF7749000D230F3E6AD86E3E3D948BDD93C8B7DF8A825AA3651
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d7a076e1728a07b4f33497d30d1e68bb.exe
Verdict:
Suspicious activity
Analysis date:
2021-03-01 14:12:59 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/09fb271d-ae8e-44b9-b50f-42181dfa35bc

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/120291/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.26632.31074.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/622241
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 360112 Sample: UGfr0suFSf.exe Startdate: 01/03/2021 Architecture: WINDOWS Score: 100 31 www.reikihealingcommunity.com 2->31 33 reikihealingcommunity.com 2->33 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 9 other signatures 2->47 11 UGfr0suFSf.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\UGfr0suFSf.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 15 UGfr0suFSf.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 pinoysorbetes.com 104.238.68.196, 49746, 80 AS-26496-GO-DADDY-COM-LLCUS United States 18->35 37 www.pinoysorbetes.com 18->37 39 2 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 WWAHost.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:
n/a
Link:
https://mwdb.cert.pl/sample/3ceb853d98e8492c1db5ac97556265c56d133dc0b16fbf1205351df2f5c542be/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-03-01 13:32:08 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=htvykpmy5besyhnvvslvkytfyvwrgpoawfx36eqfguo7f5ofik7a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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024e0b3f99c25671c71e397bdb2fc255008d6e58d4142d1f2e5b91854264aa4d
Formbook
05c3b01f3f582815a9a5c99845273306a23302342adf5215c7fb817e963cc4e0
Formbook
3926f922fe1ccafeb2bc3dea0332f8a3ec77ec2387a18e73fbbaafeec93bedab
Formbook
41c87199c61ff26a9f486e5bc9b6bfd010b4c112922bad655599f9a06e2c0ffc
Formbook
4d7785dcd99beca572613788bc8b0713ddda6da0c8df321b1402bc38e6880f88
Formbook
50961752207e439abf40cf15d11d20f5c3d9b68067e571c3029c7bce69ffe085
Formbook
5180e6ef19db039d8365f3cb9690424e61504a80ab94a12738a633b6cdc5fccb
Formbook
8eb77ec70c44e86607e97ce926cdb4e0610a0199c348fa329dba50bef34d5fc1
Formbook
92737036f323b1c72064c1e8038a942266435048a3ce4847f7e5b29558376c1c
Formbook
d8e0edf1cca3b6edefcd830e233131c593997b5bd4454891dc1b70614862f718
Formbook
+ 3'940 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210301-33rtj4b4aa/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.peiyin.love/mjs/
Unpacked files
SH256 hash:
68b716109ff4e18e21bd0acacb3796f7930771d19f6a766d7d3aa0bbde4ce7e0
MD5 hash:
a3d1d373062f59282307d4b9966d702b
SHA1 hash:
60c9c330e6ff63d3e0b3b0b700ac37bde5997ced
Link:
https://www.unpac.me/results/15e379cc-30f7-42f8-83c6-2e650f9f5377/
SH256 hash:
3ceb853d98e8492c1db5ac97556265c56d133dc0b16fbf1205351df2f5c542be
MD5 hash:
d7a076e1728a07b4f33497d30d1e68bb
SHA1 hash:
2e1236360a67f7dab11a58ccf6465fa83cff1cf2
Link:
https://www.unpac.me/results/15e379cc-30f7-42f8-83c6-2e650f9f5377/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/3ceb853d98e8492c1db5ac97556265c56d133dc0b16fbf1205351df2f5c542be

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:adonunix
Create hunting rule
Author:Tim Brown @timb_machine
Description:AD on UNIX
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Web download

Formbook

Executable exe 3ceb853d98e8492c1db5ac97556265c56d133dc0b16fbf1205351df2f5c542be

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1024037/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/120291/

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