MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16160e8686be9eefc11ffc8eafdabfbcda53784d95d1b747717cbb90acaa04d4. 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 3 File information Comments

SHA256 hash: 16160e8686be9eefc11ffc8eafdabfbcda53784d95d1b747717cbb90acaa04d4
SHA3-384 hash: 349104699875bfe874ad99ba200d1131e4a44e2dacea1355e8e469710ebc05a5c74fb2700a65f80ec39d1ea2063bd702
SHA1 hash: fca6e1d1690dea3911407662d8979c7cf037d754
MD5 hash: 23a53bec3e0bf43ec47af722a6aac7cb
humanhash: september-ten-arizona-virginia
File name:SecuriteInfo.com.Trojan.PackedNET.509.28611.29307
Download: download sample
Signature Formbook
File size:1'217'024 bytes
First seen:2021-01-19 19:15:43 UTC
Last seen:2021-01-19 19:55:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:gjWgyzF/B12+QojCIyKes/67Bsbql9c95kc:eszJB12+HCVKVqybCsk
Threatray 69 similar samples on MalwareBazaar
TLSH 2245E606E60C8243C5503BB745977B1C1352F5DAEA01CBDB770A7A2EBAD2FC5398A1D8
Reporter SecuriteInfoCom
Tags:FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
IMG_010357.doc
Verdict:
Malicious activity
Analysis date:
2021-01-19 16:44:58 UTC
Tags:
ole-embedded exploit CVE-2017-11882 loader trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Sending a UDP request
Creating a process from a recently created file
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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
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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 341787 Sample: SecuriteInfo.com.Trojan.Pac... Startdate: 19/01/2021 Architecture: WINDOWS Score: 100 33 www.heteltht.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 4 other signatures 2->47 11 SecuriteInfo.com.Trojan.PackedNET.509.28611.exe 4 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 11->29 dropped 31 SecuriteInfo.com.T...T.509.28611.exe.log, ASCII 11->31 dropped 57 Writes to foreign memory regions 11->57 59 Allocates memory in foreign processes 11->59 61 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->61 63 Injects a PE file into a foreign processes 11->63 15 AddInProcess32.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 2 other signatures 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 35 vitajwb.com 87.254.25.82, 49738, 80 HUNDRED-PERCENT-ITGB United Kingdom 18->35 37 ourwfh.com 34.102.136.180, 49728, 80 GOOGLEUS United States 18->37 39 6 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 help.exe 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Packed.Generic
Status:
Suspicious
First seen:
2021-01-19 19:07:56 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
  1/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.vitajwb.com/irux/
Unpacked files
SH256 hash:
49dc26861fffee2f6440e56a10b7086ea305d2f16bb9e27ba3e08b9893557f86
MD5 hash:
e732cd6decfed3503b4020899d5a56f9
SHA1 hash:
024c1bf147c698e92aae340bbee323601d02a787
SH256 hash:
c06d4e3d0205d9bdd4a4b40b8da710d698b3a5d73a1626c9ca058c10b2c6d00c
MD5 hash:
7f67414b3fd29299f2d29ad7c2afb995
SHA1 hash:
2ec40d57c08c47433a6d044d271d74005dddae8d
SH256 hash:
4f81e273da20c5b9835ce6ca57cc061d77764f9e3927bdb1505cb791bf50b046
MD5 hash:
29e19b5dce96140a8b90152b16bd44af
SHA1 hash:
4f3dc6eb876bb58f53966980a9c451a04ec17d8a
SH256 hash:
e2b5646e959fcf2f6ed994780262e65c16cecbc9d3421ada3239f26130ebe8d1
MD5 hash:
7a13d5b7628956f87cb4f24b3e66ff5d
SHA1 hash:
5a2a3e4a70a7ef67180b6dea2273c9c3ae162f9c
SH256 hash:
ad4baa3135707e2f8b4d5cc341943741017eb83188edbf45836aacdedaf3696a
MD5 hash:
5cba268dc44fae8725d65b4bc85b4238
SHA1 hash:
bb5de69d058a20d6bf828e30c1f3c8e4faed5e08
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
16160e8686be9eefc11ffc8eafdabfbcda53784d95d1b747717cbb90acaa04d4
MD5 hash:
23a53bec3e0bf43ec47af722a6aac7cb
SHA1 hash:
fca6e1d1690dea3911407662d8979c7cf037d754
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:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Author:Slavo Greminger, SWITCH-CERT

File information


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

Web download

Formbook

Executable exe 16160e8686be9eefc11ffc8eafdabfbcda53784d95d1b747717cbb90acaa04d4

(this sample)

  
Delivery method
Distributed via web download

Comments