MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89e36f73f667df03dd636f766a9b127c9c0b307fc0ae3149b2d1ff6f34c84b09. 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: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 89e36f73f667df03dd636f766a9b127c9c0b307fc0ae3149b2d1ff6f34c84b09
SHA3-384 hash: 1ab0fb8c007a0d12cc89a16b4e0022b98e736396104ed395b28b7eefa9c40e79f4ab9e2c902c825b17b1fedd0586cceb
SHA1 hash: dd9b1a7360f13dff61c430e1e195492e02c0a6bc
MD5 hash: 13f676ed4025c2bd783f1c5b3d727172
humanhash: eight-east-solar-fourteen
File name:PO190041.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:397'312 bytes
First seen:2020-12-03 06:13:32 UTC
Last seen:2020-12-10 07:44:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e16bf585377a2c04ffc8f29a891831dc (5 x AgentTesla, 1 x Formbook)
ssdeep 6144:T+0sJH3EkBAXfcXwbR+CZlG/Ba2cni/BAXoHre1C/1TCkQahhl5:Kv3EkvXwldZr26QBAXoH4K2RCh/
Threatray 3'087 similar samples on MalwareBazaar
TLSH 5184CF017480D034E4B302BA8EFDDB0992BDBDA10B6569C7B7C89C5D9B755D2BA32723
Reporter GovCERT_CH
Tags:FormBook

Intelligence

File Origin
# of uploads :
23
# of downloads :
141
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/106480/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.fc.14597.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Connection attempt
Unauthorized injection to a system process
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/554259
Signature
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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: 326228 Sample: PO190041.exe Startdate: 03/12/2020 Architecture: WINDOWS Score: 96 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected FormBook 2->39 41 Machine Learning detection for sample 2->41 10 PO190041.exe 2->10         started        process3 signatures4 49 Maps a DLL or memory area into another process 10->49 51 Tries to detect virtualization through RDTSC time measurements 10->51 13 PO190041.exe 10->13         started        process5 signatures6 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 Queues an APC in another process (thread injection) 13->59 16 explorer.exe 13->16 injected process7 dnsIp8 27 www.katakansetsu.com 153.126.199.188, 49728, 80 SAKURA-ASAKURAInternetIncJP Japan 16->27 29 www.batttleroyaleuk.com 81.17.18.196, 49727, 80 PLI-ASCH Switzerland 16->29 31 22 other IPs or domains 16->31 33 System process connects to network (likely due to code injection or exploit) 16->33 20 help.exe 16->20         started        signatures9 process10 signatures11 43 Modifies the context of a thread in another process (thread injection) 20->43 45 Maps a DLL or memory area into another process 20->45 47 Tries to detect virtualization through RDTSC time measurements 20->47 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/89e36f73f667df03dd636f766a9b127c9c0b307fc0ae3149b2d1ff6f34c84b09/
Threat name:
Win32.Trojan.EmotetAE
Create hunting rule
Status:
Malicious
First seen:
2020-12-03 06:14:05 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rhrw647wm7pqhxldn53gvgyspsoawmd7ycxdcsns2h7w6ngijmeq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
344ae78ecc8cac02bb3dcd94c654b74543db829984f903f57dfab395639bfc72
Formbook
5250b6aa047823e57f17d7f569816518b6acffce3ac870b2167b0cdc262b2bba
Formbook
81c1d78fd9c2c4e78b74976875c7ea0ac39ab5c87f5d1671e203c8c05bce01ca
Formbook
89c0e9f07b4245f97dccad1b925e19ad1a436b61c5fce2f2f12bc05c0042dcbe
Formbook
a76869f6ece56a889175cb2cebdb60e4a24025184ebeb7fa9c6210668eb023fe
Formbook
adfaf60f2ef07cd0b6f3fdd429fb94e76376ebf41b0b615d2664449e6adb358e
Formbook
afbb4d08bfde470b3405f98f84a5be0456cf40edf8f08f7b4cb7a6cfcf5ee682
Formbook
e85ece3cee51156974c3fb8f0e2c707dae2b51b0d2db9e5fb10531d2fdd76ca6
Formbook
e9291adc295e241009821c0ee671dd9ee44cca5cc466ecd20cc8bbab53931c8c
Formbook
ec5a75f9492dd42e6da3aedf206c5ff750b1ab67b75a88410e967c8c87bd65b7
Formbook
+ 3'077 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/201203-8nv39x55dx/
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
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.ruartemoyano.com/xnc/
Unpacked files
SH256 hash:
c199d8a3ebeb73fa8fe38d9877c0bef18353ce4636c4e522d6b29235e1623b9f
MD5 hash:
2deab67c54eae83cd3a743873769b2a3
SHA1 hash:
df0f42b626c423e08f531353f6cc614ae62cc639
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/568f0c8e-58b4-49a1-9da2-eca4ae4edf8b/
Parent samples :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 hash:
89e36f73f667df03dd636f766a9b127c9c0b307fc0ae3149b2d1ff6f34c84b09
MD5 hash:
13f676ed4025c2bd783f1c5b3d727172
SHA1 hash:
dd9b1a7360f13dff61c430e1e195492e02c0a6bc
Link:
https://www.unpac.me/results/568f0c8e-58b4-49a1-9da2-eca4ae4edf8b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/89e36f73f667df03dd636f766a9b127c9c0b307fc0ae3149b2d1ff6f34c84b09

File information

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

Malspam

Formbook

img b5040d4212c5f1494c2c2072387d35d08fcb33daa6b6aad0ed969731e99682f3

Formbook

Executable exe 89e36f73f667df03dd636f766a9b127c9c0b307fc0ae3149b2d1ff6f34c84b09

(this sample)

  
Dropped by
MD5 534af5307821fe5cf23992a9bfa0c8b0
  
Dropped by
SHA256 b5040d4212c5f1494c2c2072387d35d08fcb33daa6b6aad0ed969731e99682f3
  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/106480/

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