MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4ddceb2e5c7f97a31768c1313b0355e1c1996cb61cf57059758516bbe1fbd3c. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4ddceb2e5c7f97a31768c1313b0355e1c1996cb61cf57059758516bbe1fbd3c
SHA3-384 hash: 86a24f01d98aeb1552f15359a9ef6ae96ed1c2b7037b5b883860bffecafa00f32b94f0061de0e89939c5aa38b58e89b2
SHA1 hash: 2e0e81a3db40889412120611ffebf6aaf1c2f10f
MD5 hash: 1838c7023ad973df1c9d9260315142ed
humanhash: purple-bacon-one-stream
File name:b4ddceb2e5c7f97a31768c1313b0355e1c1996cb61cf57059758516bbe1fbd3c
Download: download sample
Signature Formbook
Create hunting rule
File size:670'750 bytes
First seen:2021-01-29 10:16:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ea4e67a31ace1a72683a99b80cf37830 (70 x Formbook, 64 x GuLoader, 54 x Loki)
ssdeep 12288:stWGUC5+bbxEBz8RxlhANsNZks0H7F2ssMWAmCfZocV4WU:sLU16l8dhAkP0H77HtNfZocU
Threatray 3'677 similar samples on MalwareBazaar
TLSH 7FE4231726A0CDF2EA4306710EFDA926EAF363197E1963171391AE2CF3D14E48D4B653
Reporter madjack_red
Tags:FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
147
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b4ddceb2e5c7f97a31768c1313b0355e1c1996cb61cf57059758516bbe1fbd3c
Verdict:
Malicious activity
Analysis date:
2021-01-29 10:17:19 UTC
Tags:
autoit trojan formbook stealer
Link:
https://app.any.run/tasks/50e6da95-15aa-4732-8a38-06a7ff0e17b1

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/114724/
Detection(s):
PUA.Win.Downloader.Soft32downloader-6691270-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Launching a process
Sending a UDP request
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Connecting to a non-recommended domain
Connection attempt
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/593850
Signature
Detected unpacking (changes PE section rights)
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 dropped file
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 (e.g. based on Emerging Threat rules)
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: 345964 Sample: q5oRsfy1vk Startdate: 29/01/2021 Architecture: WINDOWS Score: 100 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 3 other signatures 2->51 11 q5oRsfy1vk.exe 12 2->11         started        process3 file4 33 C:\Users\user\AppData\Local\Temp\xbjbwq.exe, PE32 11->33 dropped 14 xbjbwq.exe 1 11->14         started        process5 file6 35 C:\Users\user\AppData\...\hrzzzh8a0o3.exe, PE32 14->35 dropped 69 Maps a DLL or memory area into another process 14->69 71 Sample uses process hollowing technique 14->71 18 hrzzzh8a0o3.exe 14->18         started        signatures7 process8 signatures9 53 Multi AV Scanner detection for dropped file 18->53 55 Detected unpacking (changes PE section rights) 18->55 57 Modifies the context of a thread in another process (thread injection) 18->57 59 4 other signatures 18->59 21 explorer.exe 18->21 injected process10 dnsIp11 37 anastasiamatkovskia.com 162.241.216.113, 49728, 49753, 80 UNIFIEDLAYER-AS-1US United States 21->37 39 hyzykj.net.lv1191.faipod.com 103.72.145.54, 49734, 49764, 80 UHGL-AS-APUCloudHKHoldingsGroupLimitedHK China 21->39 41 22 other IPs or domains 21->41 61 System process connects to network (likely due to code injection or exploit) 21->61 25 chkdsk.exe 12 21->25         started        signatures12 process13 dnsIp14 43 www.dmosearch.com 25->43 63 Modifies the context of a thread in another process (thread injection) 25->63 65 Maps a DLL or memory area into another process 25->65 67 Tries to detect virtualization through RDTSC time measurements 25->67 29 cmd.exe 1 25->29         started        signatures15 process16 process17 31 conhost.exe 29->31         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b4ddceb2e5c7f97a31768c1313b0355e1c1996cb61cf57059758516bbe1fbd3c/
Threat name:
Win32.Trojan.Injuke
Create hunting rule
Status:
Malicious
First seen:
2021-01-28 08:31:24 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wto45mxfy74xumlwrqjrhmbvlyobtfwlmhhvobmxlbiwxpq7xu6a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
238dd9cb9b1c235e2babbc3f3b1372da8d76e4d94a4440776814957e0fd09f0b
Formbook
43240f1dfbde94a0fb438b295e6ddb3ef5aa5ef82f42222312f2eb49b91f9de8
Formbook
9763034a6f6e93c907471ca361e619f5fe5ec0b3aeb301cd046bd877c62aaea7
Formbook
b9e89d7766f894c102cd449dace5e9c1ef8f3cdca070af5f6ce22a7737eb593a
Formbook
be246c8f7d9d07567fa9618fdacf5658709a1a71f2d61e0b32e89cf9abd499da
Formbook
d0ced5f721c7ce819359814a02662f80b0e18f80058c4bea887522700f17c1ee
Formbook
dca4c9a7846a3ebb066c08583388adeb4b05e464f20abd10409ccf47164d8635
Formbook
e49c51a6864bf50e27baca58c5a2420046cae1803c5e0338af152b50d0dcc215
Formbook
f1499a31119aa7a22c867b15923b5cc2671e3ce67d9408485b78f3aa9143ce0e
Formbook
fd21ea0fe3b13bc6f4173e46304760631907bc61ce3250844f001c60c1011c05
Formbook
+ 3'667 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader loader ransomware rat spyware stealer trojan
Link:
https://tria.ge/reports/210129-k2n9ewzb9j/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.koku-jieitai.info/w8en/
Unpacked files
SH256 hash:
3ba918fe2b137f0eb38c5e70bbe80523c5878bc69dbac4afd52c0a6403cd9290
MD5 hash:
19ac6dd3731b222b4b6d0b326e48ae96
SHA1 hash:
06c26263f1410f5fd4ab8f6d2f3c574b50cd197a
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/568f56fa-1223-42fb-9b3f-b1a2796cf2ef/
Parent samples :
d0ced5f721c7ce819359814a02662f80b0e18f80058c4bea887522700f17c1ee
be246c8f7d9d07567fa9618fdacf5658709a1a71f2d61e0b32e89cf9abd499da
b4ddceb2e5c7f97a31768c1313b0355e1c1996cb61cf57059758516bbe1fbd3c
SH256 hash:
8cf5cf0efb072fac79a80001ad1fcaefc548ff159b57534e9f0331c8b1cdb3e2
MD5 hash:
5da5ad17cc53039f55fe216f897ef97f
SHA1 hash:
f563f00d68660dc1b5bcb62987c646be46c06c07
Link:
https://www.unpac.me/results/568f56fa-1223-42fb-9b3f-b1a2796cf2ef/
SH256 hash:
b4ddceb2e5c7f97a31768c1313b0355e1c1996cb61cf57059758516bbe1fbd3c
MD5 hash:
1838c7023ad973df1c9d9260315142ed
SHA1 hash:
2e0e81a3db40889412120611ffebf6aaf1c2f10f
Link:
https://www.unpac.me/results/568f56fa-1223-42fb-9b3f-b1a2796cf2ef/
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/b4ddceb2e5c7f97a31768c1313b0355e1c1996cb61cf57059758516bbe1fbd3c

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/114724/

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