MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75f6b830aac78a018b89a35b5d7a3b0a33c4f5e4fc7547a335f3a5219dd7b132. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 75f6b830aac78a018b89a35b5d7a3b0a33c4f5e4fc7547a335f3a5219dd7b132
SHA3-384 hash: 17d6e04e2a73fd3b6ea2fb05b966d396af131682446aaef58268297025109518bb9390cf3c8ab50cf760c2d5aa1c1915
SHA1 hash: c2fde915ddc5c2ea377db65a34b5c6ab56c5d18a
MD5 hash: 25e015a1bed162cf1cb2e6de9dd76191
humanhash: victor-vermont-minnesota-minnesota
File name:25e015a1bed162cf1cb2e6de9dd76191
Download: download sample
Signature Formbook
Create hunting rule
File size:950'784 bytes
First seen:2021-06-24 08:56:05 UTC
Last seen:2021-07-14 07:02:41 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:wA1YXHvnQQwNUhNx/IANZ8XnL+p00Xz5owHUjFee8XQDuTVX7VYHlioQSmA8QVzc:z/lNUhN+SyXnL+p0yvUjj8XQDu9
Threatray 5'914 similar samples on MalwareBazaar
TLSH F7158CAD325076DFC86BC936C9942C64EBA0B477530BE203A02715EDAE4D997DF210F2
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
25e015a1bed162cf1cb2e6de9dd76191
Verdict:
Suspicious activity
Analysis date:
2021-06-24 09:05:21 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c8d11144-af91-4068-b5ff-156e201f0dd3

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/167927/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.14167.13958.UNOFFICIAL
Create hunting rule

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/73642f99-d5c9-4f2e-b2e2-ddeaec036527
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/807306
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Process Start Without DLL
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 439716 Sample: RblUKpEC0p Startdate: 24/06/2021 Architecture: WINDOWS Score: 100 27 www.casatranquillainletbeach.com 2->27 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 11 other signatures 2->51 9 RblUKpEC0p.exe 3 2->9         started        13 explorer.exe 2->13         started        signatures3 process4 dnsIp5 25 C:\Users\user\AppData\...\RblUKpEC0p.exe.log, ASCII 9->25 dropped 53 Detected unpacking (changes PE section rights) 9->53 55 Detected unpacking (overwrites its own PE header) 9->55 57 Tries to detect virtualization through RDTSC time measurements 9->57 59 Injects a PE file into a foreign processes 9->59 16 RblUKpEC0p.exe 9->16         started        29 www.aggiornamento-isp.info 89.46.107.249, 49753, 80 ARUBA-ASNIT Italy 13->29 31 www.thedreamcertificate.com 13->31 33 thedreamcertificate.com 34.102.136.180, 49747, 80 GOOGLEUS United States 13->33 61 System process connects to network (likely due to code injection or exploit) 13->61 19 rundll32.exe 13->19         started        file6 signatures7 process8 signatures9 35 Modifies the context of a thread in another process (thread injection) 16->35 37 Maps a DLL or memory area into another process 16->37 39 Sample uses process hollowing technique 16->39 41 Queues an APC in another process (thread injection) 16->41 43 Tries to detect virtualization through RDTSC time measurements 19->43 21 cmd.exe 1 19->21         started        process10 process11 23 conhost.exe 21->23         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/75f6b830aac78a018b89a35b5d7a3b0a33c4f5e4fc7547a335f3a5219dd7b132/
Threat name:
Win32.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2021-06-24 01:14:11 UTC
AV detection:
11 of 46 (23.91%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ox3lqmfky6fadc4junnv26r3biz4j5pe7r2upizv6ossdhoxweza._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
33af2b745b27ae79559ac323d88199f92aa9fe8bb4ffec0963d6f622ec17f24a
Formbook
3f2cdc7783014a37d7ad61ee00c226d5221d4932f4113eb3590a9c9d0447b461
Formbook
4d2ca668cdde851a6389ee4d0fb089d3e125e2d951dbd7201767174ecafa66ad
Formbook
5313ca84959a3d88973ad5b85acc66e268c3e8874d5d6f21fcd4a4c1a7628496
Formbook
5fc1f737492b4a7e01b1e2befa4e25b1a65c7a6a83b4ec419660d0c3c4894300
Formbook
66e06710b095c687448e0b08240a99f84dfbfc24882a2c8c9f5b165f58469d8f
Formbook
6c8b4de0f39caa11127409b3ee06f410b0c5642b840f10822ad40af5745690cb
Formbook
78b11874a66b80ec78962b27c352a643d1a11c7f5cf9273f0db06df3f4f7e76c
Formbook
7c6393b4e86ea5cec49c0f814b17e4bb85aa447c19896037252a94ff6416ce1b
Formbook
f8e8f64bb17ffb2fea18b7671602a76a8b5734607c7a7ae035dce8eed8381a74
Formbook
+ 5'904 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/210624-mx7ldmw3ps/
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.hometowncashbuyersgroup.com/kkt/
Unpacked files
SH256 hash:
5f549d80c3029f9c2779f4b4742943413a7e555f866487e3178908270c8eeda1
MD5 hash:
77c3d2b13f2ea634e72951620143fa43
SHA1 hash:
f440f412d17d9df499c0aa0b524228752e4f5646
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/8755dffd-4958-4f7f-bd2f-abb7a87ab35a/
Parent samples :
75f6b830aac78a018b89a35b5d7a3b0a33c4f5e4fc7547a335f3a5219dd7b132
65a0c46c6663e844e38abc9cb562b1b1e8866be3d1c3616960379693db717463
ab96b6ac9080fe40003b5259931da0e8fae1d5e57d602991d8bb06fa712bdd9b
f8f02165547227a6692d503cf1203dcaf2d43b58219bb78cb0e42895f49a8121
4ed49588d6356f63895a1674a3ab5351199e4c4a8af4c825cc7d2b7dd79bffbc
b38eadc0a59ed8405656c9445912f644724ed07ce9086e0183a6b086460f20e6
SH256 hash:
50d1c6af779aa92a8b90590cacc6dfcbff92293c12869bf3fb022c1bfaf43cb8
MD5 hash:
825082cffb92ab27d7f1049ba4764068
SHA1 hash:
9e38692d1f90018deb6128ca6ff1605179c1e28f
Link:
https://www.unpac.me/results/8755dffd-4958-4f7f-bd2f-abb7a87ab35a/
SH256 hash:
277fd3900895c14ca0f8a95488f0f66a3180a34d730dc43c3edc10f08839d1b7
MD5 hash:
21475439a8767aa9ad9085f4d520f89b
SHA1 hash:
27763ebd33470303dd138304e2708e9960673c37
Link:
https://www.unpac.me/results/8755dffd-4958-4f7f-bd2f-abb7a87ab35a/
SH256 hash:
75f6b830aac78a018b89a35b5d7a3b0a33c4f5e4fc7547a335f3a5219dd7b132
MD5 hash:
25e015a1bed162cf1cb2e6de9dd76191
SHA1 hash:
c2fde915ddc5c2ea377db65a34b5c6ab56c5d18a
Link:
https://www.unpac.me/results/8755dffd-4958-4f7f-bd2f-abb7a87ab35a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/75f6b830aac78a018b89a35b5d7a3b0a33c4f5e4fc7547a335f3a5219dd7b132

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Web download

Formbook

Executable exe 75f6b830aac78a018b89a35b5d7a3b0a33c4f5e4fc7547a335f3a5219dd7b132

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1394165/
Cape
Cape
https://www.capesandbox.com/analysis/167927/

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