MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98266e6f5d23aad6132b20b3d2a9c3a0bf009eea9935fa9689e9d9ed66acf244. 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: 18


Intelligence 18 IOCs YARA 3 File information Comments
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SHA256 hash: 98266e6f5d23aad6132b20b3d2a9c3a0bf009eea9935fa9689e9d9ed66acf244
SHA3-384 hash: 53e899f3ff915d4b1b88b714c6d15e5dec4c93d2991af3cfb0025ac483fab924517c2125dfb4a1492202bc2cbc576df8
SHA1 hash: 83e314c0bb58be5968c953c26f92bbc52b2aaeec
MD5 hash: 61f0a077f9e486b7d9386856ef98429f
humanhash: rugby-princess-asparagus-cola
File name:61f0a077f9e486b7d9386856ef98429f.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:578'048 bytes
First seen:2023-11-01 06:52:19 UTC
Last seen:2023-11-01 08:16:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:g8R69yqLFOjY2amJatWJ6f0b4R0NqYqXgoOdxfm4jPAuAKnr5NJ3w4qveYgpM6:n6XGJctVf7uqYFnmYPAuA8r5T3w49t
Threatray 2'133 similar samples on MalwareBazaar
TLSH T120C4238976F95F04CEEA53F586A1C22083F126192E71EF4D2CCD26CF18B7B4857A0683
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon c4c6a2202e223684 (12 x AgentTesla, 8 x Formbook, 2 x Loki)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
303
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
PO-6700052214.doc
Verdict:
Malicious activity
Analysis date:
2023-10-30 09:58:29 UTC
Tags:
exploit cve-2017-11882 loader formbook xloader stealer spyware sinkhole
Link:
https://app.any.run/tasks/f226e0f8-17c1-4157-8ed4-1d142db6c196

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/457554/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.59820.25185.14071.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.Inject4.59820.24026.17982.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6541f5dc798f2840e4d2dbcd/reports/4e75a767-17d3-404a-96d7-32ea61d35498/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/98266e6f5d23aad6132b20b3d2a9c3a0bf009eea9935fa9689e9d9ed66acf244
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/fc8f45fc-fa8d-402e-9e06-aeedb93987f2
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1335280
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1335280 Sample: essLNKchXV.exe Startdate: 01/11/2023 Architecture: WINDOWS Score: 100 30 www.zenovaa.com 2->30 32 www.toollessassembling.com 2->32 34 15 other IPs or domains 2->34 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 9 other signatures 2->48 11 essLNKchXV.exe 3 2->11         started        signatures3 process4 signatures5 58 Tries to detect virtualization through RDTSC time measurements 11->58 14 essLNKchXV.exe 11->14         started        17 essLNKchXV.exe 11->17         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 19 explorer.exe 12 7 14->19 injected process8 dnsIp9 36 defiacquisition.com 15.197.204.56, 49739, 80 TANDEMUS United States 19->36 38 getalign.info 208.91.199.139, 49745, 80 PUBLIC-DOMAIN-REGISTRYUS United States 19->38 40 6 other IPs or domains 19->40 50 System process connects to network (likely due to code injection or exploit) 19->50 23 wlanext.exe 19->23         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 23->52 54 Maps a DLL or memory area into another process 23->54 56 Tries to detect virtualization through RDTSC time measurements 23->56 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/98266e6f5d23aad6132b20b3d2a9c3a0bf009eea9935fa9689e9d9ed66acf244
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/98266e6f5d23aad6132b20b3d2a9c3a0bf009eea9935fa9689e9d9ed66acf244/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-10-30 13:40:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tatg4325eovnmezlecz5fkoduc7qbhxkte27vfuj5hm62zvm6jca._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0b97c43d0eb22c21c8c4be37b6b45a1fd2acc9aa8c2a30012a06c2a0fb23a1f2
Formbook
180fce98cac3dd64109fcf09745194ced61a15c25ff1e698754105dde6586a58
Formbook
21140ae60aa6ba79a4d6cfc5aa5fd4cf4aa08ac5a522a4a2393f4c9552224529
Formbook
21590f5c7b6ac30d1c7dd02ac222e9803694a2d3b8036875e23ba10943c331d2
Formbook
3106ab616dc892b43c8d9c28a9fc9f83b3e4676b5e4e61dc0dd97bab8d6072e1
Formbook
354bb2d5a03e3c1d041730e3478e80ab5a264fd852e146e880834a346fc63579
Formbook
87f10102a623e0a9e8f37e044736a264c8948c38685ff5d55750662010e09c5a
Formbook
9e986879ac645f058d5deb6415cc90f40130a67e3d4263be55dbe1a8ff68ad2d
Formbook
e3adb8e74cd21839185ef70b6430c229a34636536412afc08bfbf1b8a610b359
Formbook
+ 2'123 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:o5gu rat spyware stealer trojan
Link:
https://tria.ge/reports/231101-hnpacsbh6z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
06a5eaa46cd5ea4f79f56bc97213f30a8f348b3eea97aa46e54f962752bc8fb9
MD5 hash:
3bedfb033cbab1368aedfee7033f9f4a
SHA1 hash:
e37016043d77c05aa1cfed6307b0f4d4ec42dfb6
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/a1ea355f-8eda-4ed0-8f36-6c1b4b7021ad/
Parent samples :
e3adb8e74cd21839185ef70b6430c229a34636536412afc08bfbf1b8a610b359
21590f5c7b6ac30d1c7dd02ac222e9803694a2d3b8036875e23ba10943c331d2
9e986879ac645f058d5deb6415cc90f40130a67e3d4263be55dbe1a8ff68ad2d
0b97c43d0eb22c21c8c4be37b6b45a1fd2acc9aa8c2a30012a06c2a0fb23a1f2
87f10102a623e0a9e8f37e044736a264c8948c38685ff5d55750662010e09c5a
98266e6f5d23aad6132b20b3d2a9c3a0bf009eea9935fa9689e9d9ed66acf244
2230b251f4acccb3ec401aa9d70e85a5dc390ba5bcf25a4f11761256d1d18016
4e0083ec0b7eac1f6a517e47fc77f8aa0fe7229dc4f8ad8dc42c170ebc2dd2c1
ccbdd15e650bb5d3bb0e22c96cfb7d03b38b1fcbd7f7c161c87726fa04df6570
97989a17279bcd8fcfccf4fc1442517ff46eba38c08fa8dc3eac65b114ba8c32
6d911bfb01daa6f3acafd3ccb33b432d806c82b2b35c0c3408d822bf8c6b4c00
9669bb3304a589cfcbd3faca14cfa67aaf2b1bdb5bf61c285292e872c03ba5bf
f5fd6d272de7ed1db622c1e3fc51f5ce84338b700b94b7f86564e9f7f3de6b54
a5193fd07f44ded01330a618e8f1e1d9243171dc5433b1e64bc3ded9e05b0fd8
SH256 hash:
758bfca2d1d77955d3d83e6b42678c3ab63debadbef76ac52e86b7f5a5855dd4
MD5 hash:
626682715389c6d615dc0d4fe2affd27
SHA1 hash:
b332f746b88c4acfd284d68b2223f6f6e413c472
Link:
https://www.unpac.me/results/a1ea355f-8eda-4ed0-8f36-6c1b4b7021ad/
SH256 hash:
3414f078eae70cfa110cf60b06f0ca70b649dbe212300f07918665e583fb9449
MD5 hash:
5a4f6162b2a5daabe14f9bdcbc9800bf
SHA1 hash:
453ad2ccdd8ef6339e65448d7904449b8c76f182
Link:
https://www.unpac.me/results/a1ea355f-8eda-4ed0-8f36-6c1b4b7021ad/
SH256 hash:
ba05154fcdf5647edce7ad83c696b919784b6302473bd457486cc21504b8f729
MD5 hash:
80148d85ca239bf6c340c9b2567321f5
SHA1 hash:
1a113fe9486d7bc1844c91ed23176c722876ca2e
Link:
https://www.unpac.me/results/a1ea355f-8eda-4ed0-8f36-6c1b4b7021ad/
SH256 hash:
98266e6f5d23aad6132b20b3d2a9c3a0bf009eea9935fa9689e9d9ed66acf244
MD5 hash:
61f0a077f9e486b7d9386856ef98429f
SHA1 hash:
83e314c0bb58be5968c953c26f92bbc52b2aaeec
Link:
https://www.unpac.me/results/a1ea355f-8eda-4ed0-8f36-6c1b4b7021ad/
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/98266e6f5d23aad6132b20b3d2a9c3a0bf009eea9935fa9689e9d9ed66acf244

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:NET
Create hunting rule
Author:malware-lu
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.

Web download

Formbook

Executable exe 98266e6f5d23aad6132b20b3d2a9c3a0bf009eea9935fa9689e9d9ed66acf244

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2721539/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/457554/

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