MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3e8e7c9ebb8ae4bbb723e1974f176f8cb82ec0fb4e1890ee1f4feed08ae76058. 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: 8


Intelligence 8 IOCs YARA File information Comments

SHA256 hash: 3e8e7c9ebb8ae4bbb723e1974f176f8cb82ec0fb4e1890ee1f4feed08ae76058
SHA3-384 hash: f2fdb479991fccf9d159c9c856669362cebe7d3676444c76271ae15f69f88a0572079b35616781f601579b978c78df59
SHA1 hash: 3dec12b87aeb0311be975228d29d4314cf8c3cf8
MD5 hash: 3e07688e4591dc314aacba05ab9166f4
humanhash: eighteen-happy-maryland-eight
File name:3e8e7c9ebb8ae4bbb723e1974f176f8cb82ec0fb4e1890ee1f4feed08ae76058.exe
Download: download sample
Signature Formbook
File size:862'208 bytes
First seen:2020-09-28 06:30:47 UTC
Last seen:2020-09-28 07:40:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:eyB4jL+f3uCoFmyQYzan8qovytjC/xfL6+:Ia3TyXWCvytj0x
Threatray 2'258 similar samples on MalwareBazaar
TLSH 3A05E0D9EF40AA74D1AE6E7D11B0FE5E13FDD1576E52E32909B3B8894A322804F11CD2
Reporter Anonymous
Tags:FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
129
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 290548 Sample: OQjjnFANah.exe Startdate: 28/09/2020 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Sigma detected: Scheduled temp file as task from temp location 2->48 50 5 other signatures 2->50 10 OQjjnFANah.exe 6 2->10         started        process3 file4 34 C:\Users\user\AppData\Local\...\tmp13AF.tmp, XML 10->34 dropped 36 C:\Users\user\AppData\Roaming\eqhwKP.exe, PE32 10->36 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 OQjjnFANah.exe 10->14         started        17 schtasks.exe 1 10->17         started        19 OQjjnFANah.exe 10->19         started        signatures5 process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 Queues an APC in another process (thread injection) 14->70 21 explorer.exe 14->21 injected 25 conhost.exe 17->25         started        process8 dnsIp9 38 monnaka-guild.com 163.43.102.34, 49750, 80 SAKURA-BSAKURAInternetIncJP Japan 21->38 40 joppamountainclub.com 34.102.136.180, 49745, 49752, 80 GOOGLEUS United States 21->40 42 4 other IPs or domains 21->42 52 System process connects to network (likely due to code injection or exploit) 21->52 27 mstsc.exe 21->27         started        signatures10 process11 signatures12 58 Modifies the context of a thread in another process (thread injection) 27->58 60 Maps a DLL or memory area into another process 27->60 62 Tries to detect virtualization through RDTSC time measurements 27->62 30 cmd.exe 1 27->30         started        process13 process14 32 conhost.exe 30->32         started       
Threat name:
ByteCode-MSIL.Trojan.Swotter
Status:
Malicious
First seen:
2020-09-28 06:31:06 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://������i9�F7��-�R�ز����Ic�Zח�*V
Unpacked files
SH256 hash:
3e8e7c9ebb8ae4bbb723e1974f176f8cb82ec0fb4e1890ee1f4feed08ae76058
MD5 hash:
3e07688e4591dc314aacba05ab9166f4
SHA1 hash:
3dec12b87aeb0311be975228d29d4314cf8c3cf8
SH256 hash:
23754fe717562803af1fc621367324d6a220ef8f7ddad8e5e90955397d5e8935
MD5 hash:
87baf4abc8438ff393de180edb1c0d3f
SHA1 hash:
7a0f93837aef4ca5aa0dcf4819eb3cf8359c4109
SH256 hash:
729a1b125fb330463c22a87c061e384300f49bd9d6793836bb3e52bcb61cc03f
MD5 hash:
ac3f427e66b28b013b0b651c2f71d1e9
SHA1 hash:
ddf8b4b1d36aced75740632b41d30add06b5db3d
SH256 hash:
f04432fd35064c2195fe715baeef76f5880aaab05b415f4492a44bf3bc0769e3
MD5 hash:
5802ba109f6a15b73001b5e83f0bc338
SHA1 hash:
748217591d24b37dd459d247ff52b89385584006
Detections:
win_formbook_g0 win_formbook_auto
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

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