MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b1837b1504714c306a023b8488d15e81b939b6394ff511fb619fa38f264622a. 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: 13


Intelligence 13 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b1837b1504714c306a023b8488d15e81b939b6394ff511fb619fa38f264622a
SHA3-384 hash: eaa06472475547d0677d1e0dfa61ea4662c2c8d5bab012898dafbca886b4e6788987df7b2575a7037550ce5cd2072810
SHA1 hash: 44a78609033c3e57f4358e3729917c7c41786717
MD5 hash: f58c5379be474fc6f64828161083361d
humanhash: finch-angel-golf-princess
File name:f58c5379be474fc6f64828161083361d.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:216'088 bytes
First seen:2021-03-16 19:14:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b1a57b635b23ffd553b3fd1e0960b2bd (39 x Formbook, 29 x Loki, 27 x AgentTesla)
ssdeep 6144:KTqjFfdV0UoAWLrYS+rcBwL0aY06mRrEwyYMa:mGRoQS+JL0Y6mEva
Threatray 4'217 similar samples on MalwareBazaar
TLSH C8241236F6E1B4EBF663A6B1593A6B79F6B5C50111624B038FC82E6E2FD2447039C503
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
COAU7229898130.xlsx
Verdict:
Malicious activity
Analysis date:
2021-03-15 08:55:15 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/a1bc7f91-d626-4c43-bf75-a1729dfcf56a

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/124399/
Detection(s):
SecuriteInfo.com.Mal.Generic-S.5560.26916.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Sending a UDP request
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/bb48cdcf-813e-449d-90a4-5bef7cb099f1
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/641288
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Machine Learning detection for dropped file
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)
Multi AV Scanner detection for dropped file
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 virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 369619 Sample: 9V3LjvhSMb.exe Startdate: 16/03/2021 Architecture: WINDOWS Score: 100 31 www.cqfsc.net 2->31 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for dropped file 2->43 45 5 other signatures 2->45 11 9V3LjvhSMb.exe 12 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\Temp\...\bh00.dll, PE32 11->29 dropped 57 Detected unpacking (changes PE section rights) 11->57 59 Maps a DLL or memory area into another process 11->59 61 Tries to detect virtualization through RDTSC time measurements 11->61 15 9V3LjvhSMb.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.cnhongzu.com 156.241.53.137, 49722, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 18->33 35 www.xiaoshuxiongvip.com 154.80.163.105, 49719, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 18->35 37 19 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 49 Uses ipconfig to lookup or modify the Windows network settings 18->49 22 ipconfig.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/1b1837b1504714c306a023b8488d15e81b939b6394ff511fb619fa38f264622a/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-03-15 09:49:09 UTC
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dmmdpmkqi4kmgbvaeo4erdiv5anzhg3dst7vch5wdh5dr4temiva._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
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Formbook
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Formbook
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9cf07e6cbf0321dc63141d5d14b6df920c9c90ee178636def703946324fec78b
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af05a9b5f7ed6483d7f10ea0e521e0a15fd90d224ca04a9665991ab630a54991
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b12941d367baf1228f6d262c4696b267cd1d36e600742aaf1fee00582fe1ea07
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b2697b1c939e346a4adcf8ed2cb4a0e493f2390a54a0457c95fea5485c2fa19b
Formbook
e091222f766082c33c0606405115206cb2d915929dfe2ac899b1945d6442c512
Formbook
+ 4'207 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210316-q1hkhxr1ae/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.fountainhead410.com/jzvu/
Unpacked files
SH256 hash:
ed55156d930b2e1fa3d8da97a3147c1da5734aeef0851202dc45ce4c53c6df93
MD5 hash:
b84fe103bea3a52d11a53713d6e677a4
SHA1 hash:
99ab6efa0b7df19c4f38059a4773edd634a9dd39
Link:
https://www.unpac.me/results/49d5790c-7767-4034-84ed-18c702be3867/
SH256 hash:
1b1837b1504714c306a023b8488d15e81b939b6394ff511fb619fa38f264622a
MD5 hash:
f58c5379be474fc6f64828161083361d
SHA1 hash:
44a78609033c3e57f4358e3729917c7c41786717
Link:
https://www.unpac.me/results/49d5790c-7767-4034-84ed-18c702be3867/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1b1837b1504714c306a023b8488d15e81b939b6394ff511fb619fa38f264622a

File information

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

Web download

Formbook

Executable exe 1b1837b1504714c306a023b8488d15e81b939b6394ff511fb619fa38f264622a

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/124399/
  
URLhaus
https://urlhaus.abuse.ch/url/1068330/
  
Delivery method
Distributed via web download

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