MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42ea844a6aeb6c01de060355e8333242f71553498514ca1bf7d4af32bb90803e. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 42ea844a6aeb6c01de060355e8333242f71553498514ca1bf7d4af32bb90803e
SHA3-384 hash: b7c689093f9ade82efb1be8427bfe6e6f0232507f4bf827d5a2ee80518104640850bb4619a1c01e6cba3b0d6924a0963
SHA1 hash: 29a4c497ff6b22f622030bc3cd10d40778e3a5f7
MD5 hash: 56264f145444a81433f551c1f70af906
humanhash: mike-charlie-red-comet
File name:List items.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:951'296 bytes
First seen:2020-12-09 07:31:46 UTC
Last seen:2020-12-09 09:56:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:8oM3GK8hy5ddr0NBKkmDZNasev5YU2khTCktC:8ohzhw3r0NB/DxYU7QktC
Threatray 3'076 similar samples on MalwareBazaar
TLSH 86159D345FA8163AF17BAB7CC5B02405A7ED7BD37713D95C29B601CA0723A41AAE1339
Reporter ffforward
Tags:FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
143
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/107381/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.dc.15433.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Result
Gathering data
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/558689
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 328444 Sample: List items.exe Startdate: 09/12/2020 Architecture: WINDOWS Score: 100 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for dropped file 2->50 52 Sigma detected: Scheduled temp file as task from temp location 2->52 54 11 other signatures 2->54 10 List items.exe 7 2->10         started        process3 file4 34 C:\Users\user\AppData\...\DiUNRfivDpnY.exe, PE32 10->34 dropped 36 C:\Users\...\DiUNRfivDpnY.exe:Zone.Identifier, ASCII 10->36 dropped 38 C:\Users\user\AppData\Local\...\tmp6E04.tmp, XML 10->38 dropped 40 C:\Users\user\AppData\...\List items.exe.log, ASCII 10->40 dropped 64 Injects a PE file into a foreign processes 10->64 14 List items.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures5 process6 signatures7 66 Modifies the context of a thread in another process (thread injection) 14->66 68 Maps a DLL or memory area into another process 14->68 70 Sample uses process hollowing technique 14->70 72 Queues an APC in another process (thread injection) 14->72 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 42 www.everauty.com 37.153.89.57, 49735, 80 UNELINKES Spain 19->42 44 twamsolutions.com 103.21.59.24, 49734, 80 PUBLIC-DOMAIN-REGISTRYUS United Arab Emirates 19->44 46 7 other IPs or domains 19->46 56 System process connects to network (likely due to code injection or exploit) 19->56 25 msdt.exe 19->25         started        28 autoconv.exe 19->28         started        signatures10 process11 signatures12 58 Modifies the context of a thread in another process (thread injection) 25->58 60 Maps a DLL or memory area into another process 25->60 62 Tries to detect virtualization through RDTSC time measurements 25->62 30 cmd.exe 1 25->30         started        process13 process14 32 conhost.exe 30->32         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/42ea844a6aeb6c01de060355e8333242f71553498514ca1bf7d4af32bb90803e/
Threat name:
ByteCode-MSIL.Trojan.Sudloader
Create hunting rule
Status:
Malicious
First seen:
2020-12-09 06:07:09 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ilviistk5nwadxqgank6qmzsil3rku2jqukmug7x2sxtfo4qqa7a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
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691e25f141a0389dec22a7f9027a57ff7242cd2918f525e3c22e81c863f803c9
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9c0d3c463792d704909de3a04cd7a6d31f8094301e8e24950af31cdc5e9f2838
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9daf6c939e1c734dca8262f7c96844167c8869301b032c1f156f0e532b055603
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b9c1be5f81b9261b1bb68fb0f667a57721bd04b750427a9382844c42d18dba6e
Formbook
d1176c3c4ab396d3bad7dd15c881fdb4e38922e9f7e539dc1035768f366edcf9
Formbook
+ 3'066 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/201209-sq7cv8ebax/
Behaviour
Creates scheduled task(s)
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
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.lalaandthelight.com/hts/
Unpacked files
SH256 hash:
42ea844a6aeb6c01de060355e8333242f71553498514ca1bf7d4af32bb90803e
MD5 hash:
56264f145444a81433f551c1f70af906
SHA1 hash:
29a4c497ff6b22f622030bc3cd10d40778e3a5f7
Link:
https://www.unpac.me/results/ae571df0-61ba-4a70-8288-2761e4ac601c/
SH256 hash:
9584f6d01e6452371cc9b4828030a13045d99c243c497b63628828e66aabe26f
MD5 hash:
7476e403eef14ac403c63c7279831780
SHA1 hash:
8387f558e30dc115987ac2b5c174a41302471abf
Link:
https://www.unpac.me/results/ae571df0-61ba-4a70-8288-2761e4ac601c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Starter
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/42ea844a6aeb6c01de060355e8333242f71553498514ca1bf7d4af32bb90803e

File information

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

Malspam

Formbook

Executable exe 42ea844a6aeb6c01de060355e8333242f71553498514ca1bf7d4af32bb90803e

(this sample)

  
Link
https://tria.ge/201209-1812apmm4a
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/107381/

Comments