MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ddf2076a3a130fca2fc2d48f41e77adc2538ca0cc9327d2bee0d5a8bdbbe5c8f. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: ddf2076a3a130fca2fc2d48f41e77adc2538ca0cc9327d2bee0d5a8bdbbe5c8f
SHA3-384 hash: 70ef3012854aa89addfe14703c4613576470fb190f860075ab353d05c3d5612b62c5723de9bff44286cc5aed2e08805d
SHA1 hash: f3a20470318954c3aa9e4e382b42f77bf7b60797
MD5 hash: c31818ff7bb5ccc6ac3efc3bcbe40ea4
humanhash: pennsylvania-queen-lamp-mars
File name:mail.exe
Download: download sample
Signature Formbook
File size:973'824 bytes
First seen:2022-03-15 13:28:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:4FnZxM3wO21/nKoqYfQskqF9DiMh1Ia8OC:kx0f0PKXYftkq7+Mh1IaF
TLSH T19B25DFAC32C47DDFC167CE76CA642C14BA7074AAA707D203900715DC9A5DBABEE116E3
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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)
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 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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 589989 Sample: mail.exe Startdate: 15/03/2022 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 7 other signatures 2->40 10 mail.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\Local\...\mail.exe.log, ASCII 10->30 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 mail.exe 10->14         started        17 mail.exe 10->17         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 19 explorer.exe 14->19 injected process8 dnsIp9 32 www.52bsyx.com 19->32 42 System process connects to network (likely due to code injection or exploit) 19->42 23 wlanext.exe 19->23         started        signatures10 process11 signatures12 44 Self deletion via cmd delete 23->44 46 Modifies the context of a thread in another process (thread injection) 23->46 48 Maps a DLL or memory area into another process 23->48 50 Tries to detect virtualization through RDTSC time measurements 23->50 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-15 11:34:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ld23 rat spyware stealer suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
e64cf2ea044ab7e29d29310c47c0a063eb3d33fdff06e81333660c1814efc1e6
MD5 hash:
6e04da632dd2a7677f089bfe7879b108
SHA1 hash:
ed3ecdd9068c19647039cee00114dc7a5a16b521
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
f1453ccd3d30d3a602650584d2e060a849fc0c0b596715009e7c03e035550600
MD5 hash:
980f87a9ff54ccb4938908787da5d4b2
SHA1 hash:
d7216cea534270873ac21b23e59222e90d91b456
SH256 hash:
4ffb59b76867dc3ee5df8b1476a82043c8bbfa9679aa90a2e4b937292b3722b8
MD5 hash:
fc6d91ff314356715f5c76ba61240c9f
SHA1 hash:
aac8291f9af1c2e18b8302550ee4d1c96120949a
SH256 hash:
a1168cc68cd81000d50f24bb796d7a8b25fd2ca66dccaf2884b2f10a0e802bf5
MD5 hash:
5eb83f55cb1801778476bcea9132a6ec
SHA1 hash:
3f2300c0235247822935b50ae823b69d6a6b1dd1
SH256 hash:
ddf2076a3a130fca2fc2d48f41e77adc2538ca0cc9327d2bee0d5a8bdbbe5c8f
MD5 hash:
c31818ff7bb5ccc6ac3efc3bcbe40ea4
SHA1 hash:
f3a20470318954c3aa9e4e382b42f77bf7b60797
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

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