MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52799e1f231cefd03dc54c079068d4ee64df41dc9b0abdf9411f4225fe693ee3. 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: 52799e1f231cefd03dc54c079068d4ee64df41dc9b0abdf9411f4225fe693ee3
SHA3-384 hash: 013787819a4a09ee33c235dd42fd4cd31b32888ce33e30b24be34cfee8793fa93292bcb3985eb5f06c75c62e8f7b14a7
SHA1 hash: bcd5b441c325427b78f9c820cf0f2eb66912b14c
MD5 hash: b42b948d3cfc6d93e4d052f58ea8875a
humanhash: oxygen-kilo-whiskey-kitten
File name:539961-700381-74200-PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:248'916 bytes
First seen:2022-01-13 09:16:40 UTC
Last seen:2022-01-13 13:31:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 6144:0wpt1FKLBk53P63GWxt0jMq3+qvEXDL83jU7:b1CklixLquq1jK
Threatray 12'716 similar samples on MalwareBazaar
TLSH T13734120CAAE6DCBBC8474F300A73D776E1B66F0267141D9F67D88F5AB422243BE25151
File icon (PE):PE icon
dhash icon 05b2a28e86869841 (1 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
539961-700381-74200-PDF.exe
Verdict:
Malicious activity
Analysis date:
2022-01-13 09:20:39 UTC
Tags:
installer trojan formbook stealer
Link:
https://app.any.run/tasks/1e795689-66b0-4193-acd6-3386d1dd774f

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/218964/
Detection(s):
SecuriteInfo.com.FakeAV.CXA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
DNS request
Searching for synchronization primitives
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe expand.exe overlay packed shell32.dll spybot
Link:
https://www.filescan.io/uploads/61dfee10f2e8ec86fef747c3/reports/6bf2723a-9de4-4f89-8203-5b5ee6e209da/overview
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/18c3f81c-f5e0-43bc-b3e4-bffd7e92f522
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/919927
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Self deletion via cmd delete
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 signatures2 2 Behavior Graph ID: 552405 Sample: 539961-700381-74200-PDF.exe Startdate: 13/01/2022 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 3 other signatures 2->42 10 539961-700381-74200-PDF.exe 19 2->10         started        process3 file4 28 C:\Users\user\AppData\Local\Temp\...\vyit.dll, PE32 10->28 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 539961-700381-74200-PDF.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.ztgnmu.com 168.76.19.207, 49776, 80 ULTRANETSERVICOSEMINTERNETLTDABR South Africa 17->30 32 www.bedfordshirevcs.com 185.151.30.179, 49817, 80 TWENTYIGB United Kingdom 17->32 34 www.earringsalisa.com 23.228.100.27, 49805, 80 LAYER-HOSTUS United States 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 wlanext.exe 17->21         started        signatures10 process11 signatures12 46 Self deletion via cmd delete 21->46 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/52799e1f231cefd03dc54c079068d4ee64df41dc9b0abdf9411f4225fe693ee3/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-01-13 09:17:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kj4z4hzddtx5apofjqdza2gu5zsn6qo4tmfl36kbd5bcl7tjh3rq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
045c15ef3a76b61d487b30e3e554c77afbc4f3fc17078d3818b5392de608a92e
Formbook
2c797f8b23257f74c2dd577dad2c2c6cdab90dfa57a57f2f89a8a54036c6852c
Formbook
3ff28d4f5a5b236c660c2714bf1b5a515cf72cd738afea35b916938024644538
Formbook
5fd22c8bf1e7e06ccaa6ebc23410086fe0e3bc30b1613cd6ee734f280c0d6979
Formbook
6d1ae3278059d592ae7c4426df9456553b8abfbc3bd90ce0f8d1792e94ae95c2
Formbook
75ed45b6037e84e9ab04fd54b551711c8765972a14a25da2acda47acd7b89ca8
Formbook
7c0ab1d837684e8d37e75578f4821e25d7729cb9d3739f397cabbb9c95f2ddae
Formbook
90f9e8094fe8847f4b4521afafd5c5e59d4368ddc26a4f589730cd998520fd50
Formbook
c4a3914ac9102ab0d688d9ea29c833ca8f41aef33ee6aa4fb384113f9250c743
Formbook
+ 12'706 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:t1y0 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220113-k82gjahafj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
f8cb042f702df435817baaf1d1c3a3fec197831e33c9f681560eb72e474fcce4
MD5 hash:
7e546ce56751eba1e4671414527f7790
SHA1 hash:
674819035d80c91cb9743703643f6bbafddcc726
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/7349f6fc-c625-401f-b05c-9c84e97baaeb/
Parent samples :
52799e1f231cefd03dc54c079068d4ee64df41dc9b0abdf9411f4225fe693ee3
c026113c33af8599afd82bb769c25eea7ac5f1212576c4306347a54a8fd5ed1b
SH256 hash:
0217c57c73ee7d04f7ee9f662afc547d6303a2d002156a54c7717ad1da461d5b
MD5 hash:
e294ee3eb6182ddbaeaa8dc1a3368c4e
SHA1 hash:
6f1be878c8d080c28ed3a52417548a4e8058a6ee
Link:
https://www.unpac.me/results/7349f6fc-c625-401f-b05c-9c84e97baaeb/
SH256 hash:
52799e1f231cefd03dc54c079068d4ee64df41dc9b0abdf9411f4225fe693ee3
MD5 hash:
b42b948d3cfc6d93e4d052f58ea8875a
SHA1 hash:
bcd5b441c325427b78f9c820cf0f2eb66912b14c
Link:
https://www.unpac.me/results/7349f6fc-c625-401f-b05c-9c84e97baaeb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
Link:
https://yomi.yoroi.company/submissions/52799e1f231cefd03dc54c079068d4ee64df41dc9b0abdf9411f4225fe693ee3

File information

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

Malspam

Formbook

Executable exe 52799e1f231cefd03dc54c079068d4ee64df41dc9b0abdf9411f4225fe693ee3

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/218964/

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