MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b55f35c86108c878bde53d36cfb0e5233aa97ccc006df085c08ffd1ba38b657e. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
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SHA256 hash: b55f35c86108c878bde53d36cfb0e5233aa97ccc006df085c08ffd1ba38b657e
SHA3-384 hash: d5020d7f13295407f90e4960931b6f4d63930c71f0ea789acff05474a998683f345184f810c15787fe92167f9360fdbe
SHA1 hash: d70c70fafebcfdac847d8029ffdc3fd9eef295d3
MD5 hash: 1ff3003642eb3782b7b25beb451fd65a
humanhash: solar-vegan-eight-nevada
File name:PO22-0452.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:564'224 bytes
First seen:2022-02-28 13:49:29 UTC
Last seen:2022-02-28 18:28:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:GWmQvtg8Q+X5ZtWBrgobRr0OGjun57Y3T53s/hrtSNkpHIgIl04T:GWfvt1QuWrgob50O5n57Yj90P4
Threatray 13'831 similar samples on MalwareBazaar
TLSH T1AEC45ADC31E231FEC8E7C4BAE9641C69AF60787A830B9217505312A8994ED97DF570B3
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
200
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ab.exe
Verdict:
Malicious activity
Analysis date:
2022-02-28 02:16:50 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/db3407c1-eee2-433f-b813-407b9ce569c1

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/245356/
Detection(s):
Sanesecurity.Rogue.0hr.20220228-0206.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed
Link:
https://www.filescan.io/uploads/621cd3170cd58dbd92533584/reports/eef84904-c822-4164-a63c-dd9f2c23da1a/overview
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/0445d06a-bb90-4cb5-93ff-452d750a423b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/947426
Signature
Antivirus detection for URL or domain
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 579903 Sample: PO22-0452.exe Startdate: 28/02/2022 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 6 other signatures 2->45 10 PO22-0452.exe 3 2->10         started        process3 file4 27 C:\Users\user\AppData\...\PO22-0452.exe.log, ASCII 10->27 dropped 13 RegSvcs.exe 10->13         started        process5 signatures6 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 2 other signatures 13->59 16 explorer.exe 13->16 injected process7 dnsIp8 29 www.rws3.xyz 16->29 31 www.rws3.xyz 103.97.3.186, 80 HKKFGL-AS-APHKKwaifongGroupLimitedHK Hong Kong 16->31 33 2 other IPs or domains 16->33 35 System process connects to network (likely due to code injection or exploit) 16->35 37 Performs DNS queries to domains with low reputation 16->37 20 cscript.exe 16->20         started        signatures9 process10 signatures11 47 Modifies the context of a thread in another process (thread injection) 20->47 49 Maps a DLL or memory area into another process 20->49 51 Tries to detect virtualization through RDTSC time measurements 20->51 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b55f35c86108c878bde53d36cfb0e5233aa97ccc006df085c08ffd1ba38b657e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-27 23:51:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wvptlsdbbdehrppfhu3m7mhfem5ks7gmabw7bboar76rxi4lmv7a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0b7b92e40a75e7c96676e65733f2babfdf0c37529c130619510b2b0b7879a697
Formbook
28562d1e97597dbe302d550277e91bd4aa6869bd3d356668bc7c48b2b6eaa3d1
Formbook
705bf99df489a6945a540499bc8c6d7b7564d9a255629e326013d4a85bb77a78
Formbook
75e51d5e7662ad2c7ee23822ebf5246ce2d3257734ef87883f57bbcffe13c5d2
Formbook
9a800be0555a840292d1534025461cb5c2a96d117a110efa8331a19475fb31c2
Formbook
a1bf6120b566e76d3df3b722c1a517fe69b74e670d70bde100c4cf04e3ee947e
Formbook
adf7fa31e3f65111c002c0cd54c049a05c2327a7d9956f41aa7c7f0f069d4263
Formbook
d1a716b9f2d3c4be4527b077dd5da726ffb4008935c7223116a3aa64b4f5f8f0
Formbook
eafdcbea5a9544d87f8a7c03ee4eb6ab0d9c12bbbbc1d9705dc94d5fd983c5bd
Formbook
+ 13'821 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:yrcy loader rat
Link:
https://tria.ge/reports/220228-q5agjaedb5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
c65a6af5fa8719686bd9fb55055ee825ec87b5e4adf7e58baa5676b45600ea7e
MD5 hash:
152b5fcf2580b07523200858789d1abc
SHA1 hash:
db90e619c454ed44bc97bd0e057d572e82c67cf7
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/25bf0041-6855-46ad-b2ac-76b9ac23e607/
Parent samples :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 hash:
a086998e94e27a0159df8d0fa2cb321644aa193a3f19b98293076b3e72cb93f5
MD5 hash:
02c8cba9521fd66b15e37b7dca65d2a1
SHA1 hash:
e2a99fea6ad855d9a610fd409896dd70e8ac388a
Link:
https://www.unpac.me/results/25bf0041-6855-46ad-b2ac-76b9ac23e607/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/25bf0041-6855-46ad-b2ac-76b9ac23e607/
SH256 hash:
b55f35c86108c878bde53d36cfb0e5233aa97ccc006df085c08ffd1ba38b657e
MD5 hash:
1ff3003642eb3782b7b25beb451fd65a
SHA1 hash:
d70c70fafebcfdac847d8029ffdc3fd9eef295d3
Link:
https://www.unpac.me/results/25bf0041-6855-46ad-b2ac-76b9ac23e607/
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/b55f35c86108c878bde53d36cfb0e5233aa97ccc006df085c08ffd1ba38b657e

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
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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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/245356/

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