MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c0918e6c03961d7f82b1ac9466df259b6a1574803efdc94370f728a707af234. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8c0918e6c03961d7f82b1ac9466df259b6a1574803efdc94370f728a707af234
SHA3-384 hash: 9143fc8f7ef39db98fba09f9033e35242eb7afd704ac165fa13e54d0bfbb9c0c5f312244011b06c3c5c051a1b1b9b89e
SHA1 hash: c3cf705ccad435f61723c1cb71cdcea808d9409b
MD5 hash: 7df31d97b98a8830fddfc9f2930683ea
humanhash: don-magnesium-paris-aspen
File name:8c0918e6c03961d7f82b1ac9466df259b6a1574803efdc94370f728a707af234
Download: download sample
Signature Formbook
Create hunting rule
File size:599'552 bytes
First seen:2023-05-14 09:57:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:KanE+NTq4Q5+7s5GenL7gnwmJ2YYBa/4cyrxK7LIEmphPJ:ptORfDc6w/4cAxAhmpb
Threatray 2'904 similar samples on MalwareBazaar
TLSH T1D8D4F12AC136ADF3E6CD0536000439E9DB70A2E3B8B6C53C0BA67596DB9F7156D980C7
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)
Reporter petikvx
Tags:FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
93
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
88a907c3e36d9ddfb106c9ad66408b46
Verdict:
Malicious activity
Analysis date:
2023-04-29 06:58:41 UTC
Tags:
opendir exploit cve-2017-11882 loader formbook xloader
Link:
https://app.any.run/tasks/e7c8794d-63f4-46e1-b941-e5114100509f

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/389353/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.66472600.12251.25400.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6460b0c2f571536d03113ac3/reports/8faad912-60f2-41c4-999d-f8a10ad8b4ea/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/8c0918e6c03961d7f82b1ac9466df259b6a1574803efdc94370f728a707af234
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d89f778f-0c87-44c1-a51d-876f772438a1
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1232765
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
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 FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 865746 Sample: rr0f6ZXTmT.exe Startdate: 14/05/2023 Architecture: WINDOWS Score: 100 31 www.conviord.com 2->31 33 conviord.com 2->33 41 Snort IDS alert for network traffic 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 7 other signatures 2->47 11 rr0f6ZXTmT.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\rr0f6ZXTmT.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 rr0f6ZXTmT.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 2 6 15->18 injected process9 dnsIp10 35 www.lazylynx.se 94.237.120.178, 49700, 80 UPCLOUDFI Finland 18->35 37 conviord.com 216.246.47.9, 49699, 80 SERVERCENTRALUS United States 18->37 39 www.dairecheese.com 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 explorer.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:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8c0918e6c03961d7f82b1ac9466df259b6a1574803efdc94370f728a707af234/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-04-17 14:26:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rqerrzwahfq5p6bldleum3pslg3kcv2iapx5zfbxb5ziu4d26i2a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0b329233081f419ae224da96afc864a2b2f822822319289ad60a3d2320a6d99f
Formbook
1c4a23543bd6562ebedfbc5905ff87a87d06d25a03b1015043314e00befa54dd
Formbook
455357f9a8164dcc16dc461cb81c48bf0215d871152c7b6e1577944a4b6b6edf
Formbook
6afbb9ebc94ae5fbc1a98207af3ce84dec75c243605ebbd6b15b721165e4130a
Formbook
7a0e239373c991f758c18775dd9fe07f62c6eb0ed45e74af677352f92bb457f2
Formbook
91d502f918a232073359481d07dc7ba2d21b7675bcdc3e3cd0440f1cc9557833
Formbook
d815aa5d74bacc37aa423c50938d7b084e34f8c73d5d04994c5fcfccf4df9d09
Formbook
e014baadd84bece77f1f8366ea528671bf0bd70fcee974fe1a262bb0ec0a2565
Formbook
+ 2'894 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ne28 rat spyware stealer trojan
Link:
https://tria.ge/reports/230514-lzhthadh3v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
a603fd8d54fe5815dd449ea77642dc3530cfb62ab304a3c4c79e4244daba4aef
MD5 hash:
eb8fa7cf26fbd6f5bc78f5d08190a549
SHA1 hash:
c1de91ab74a15b7cc1baf8fbf87421e373e66042
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/da3fc1b4-52bd-44ec-a9fa-2aba86f6efd1/
Parent samples :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 hash:
0fd1f00d94aff36ad8f02077efb33ddf269985ea37038aae554ff6202fdc020f
MD5 hash:
8dfd8e44c82066f4aeeff652fa2a33c5
SHA1 hash:
b844952e48ecab0e7ab2e3d5e38a20629399f94c
Link:
https://www.unpac.me/results/da3fc1b4-52bd-44ec-a9fa-2aba86f6efd1/
SH256 hash:
40c050c20d957d26b932faf690f9c2933a194aa6607220103ec798f46ac03403
MD5 hash:
c768bac25fc6f0551a11310e7caba8d5
SHA1 hash:
95f9195e959fb48277c95d1dd1c97a4edff7cb3a
Link:
https://www.unpac.me/results/da3fc1b4-52bd-44ec-a9fa-2aba86f6efd1/
SH256 hash:
a73f52fe511204463574e53618eba0672a0f2504e062400942b4f1c80350d19c
MD5 hash:
67da4dfb9e8a6b3b9405e9d3e827aa0d
SHA1 hash:
85907e53056a7ebc83b4d55fb69b93523142af7a
Link:
https://www.unpac.me/results/da3fc1b4-52bd-44ec-a9fa-2aba86f6efd1/
SH256 hash:
d8ce19fa3f92774368ff0581124d29885dea1deca1bb4021e82462ae9ba1d543
MD5 hash:
021ee35bd0d356d0cb48c40afd7c5946
SHA1 hash:
31e352d6bbd4e936ecf4b83ef5e65d71964c32a7
Link:
https://www.unpac.me/results/da3fc1b4-52bd-44ec-a9fa-2aba86f6efd1/
SH256 hash:
8c0918e6c03961d7f82b1ac9466df259b6a1574803efdc94370f728a707af234
MD5 hash:
7df31d97b98a8830fddfc9f2930683ea
SHA1 hash:
c3cf705ccad435f61723c1cb71cdcea808d9409b
Link:
https://www.unpac.me/results/da3fc1b4-52bd-44ec-a9fa-2aba86f6efd1/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8c0918e6c039/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/8c0918e6c03961d7f82b1ac9466df259b6a1574803efdc94370f728a707af234

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/389353/

Comments