MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 814c8a7ae9ec48b7a455cdf15b8c520fc9d7695e24f31afd5ff72cbc25e08704. 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: 13


Intelligence 13 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 814c8a7ae9ec48b7a455cdf15b8c520fc9d7695e24f31afd5ff72cbc25e08704
SHA3-384 hash: aa3149387a3f36c60e8f42572ae18fee1d1e47107a5113dee9b83451c68b9292ea361adcba613a0da96f0dbdbde57f17
SHA1 hash: 3a376a9ad849b778b4ef2235616068f221b2e61e
MD5 hash: ab830be5e48f1db0f4ebf3a106473a32
humanhash: sink-five-bluebird-low
File name:ab830be5e48f1db0f4ebf3a106473a32.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:701'952 bytes
First seen:2021-01-15 06:44:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:6UDkUuIXagZA+e6kpPTf7RcMBpq69mwIK5Wlgq4FVu5:6UDk7ITZAJ6Ef7iMZwAXBk
Threatray 3'366 similar samples on MalwareBazaar
TLSH 27E4228576F86F2AD5BC5BF955B4040847727AA3A123E32D0EEA64D72053F60C692F33
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Shipping Doc_Posen 2011S.xlsx
Verdict:
Malicious activity
Analysis date:
2021-01-15 06:23:02 UTC
Tags:
encrypted trojan exploit CVE-2017-11882 loader formbook stealer
Link:
https://app.any.run/tasks/56f045d4-e066-4f5b-b611-a00a918ce25c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/112151/
Detection(s):
SecuriteInfo.com.Trojan.Siggen11.57608.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/582169
Signature
.NET source code contains potential unpacker
Found malware configuration
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
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 netstat to query active network connections and open ports
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 340122 Sample: 6LoOfs26IR.exe Startdate: 15/01/2021 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 7 other signatures 2->44 10 6LoOfs26IR.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\6LoOfs26IR.exe.log, ASCII 10->30 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 6LoOfs26IR.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 32 kafamrahat.pro 34.102.136.180, 49761, 80 GOOGLEUS United States 17->32 34 www.electroglas-probers.com 50.117.53.236, 49758, 80 EGIHOSTINGUS United States 17->34 36 6 other IPs or domains 17->36 46 System process connects to network (likely due to code injection or exploit) 17->46 21 NETSTAT.EXE 17->21         started        24 autofmt.exe 17->24         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/814c8a7ae9ec48b7a455cdf15b8c520fc9d7695e24f31afd5ff72cbc25e08704/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2021-01-15 06:45:22 UTC
AV detection:
21 of 46 (45.65%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qfgiu6xj5relpjcvzxyvxdcsb7e5o2k6etzrv7k764wlyjpaq4ca._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
02ee2ae66e440ba87307cdb5d59f3f21bf3565918432a039a5cb13f840c894c2
Formbook
0f9f0bd1c94784a9426a81cd5cec73dd110cd63d96938127ad8cd4a25a7c678f
Formbook
2570b1f0780a754b70c2ec5525da16952c9634a2da6b21c92693380529daffe2
Formbook
383d80ef71e1bd484b6838e3c89eebca3bea49ef0648d3a79564c87aa6ddc00f
Formbook
46c3ab59682596a8e030fb0bad3d31c59e502f68b9f3c112309edd82d27513c3
Formbook
5038f7f49d3052a244db8019146b11b139d09d867205416ee70df3d97f065a28
Formbook
5c1d2289de5b338620bb43ede89d6d7afcf86cc4d2b20db3a3f20e5579e925fe
Formbook
8bb7375d1d8c2236d2a43e413209831ab50f8599eabdc906143ba7742425fb0c
Formbook
99c4f75948b26af511bfa055db8d18567a3d662107e35e91102b5576f02acb84
Formbook
c18baa3cb8b70de1dbfef5c58cbdcb15593b0ddc5424ec736b2d2a0b7a703b97
Formbook
+ 3'356 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/210115-5zeldn2lsj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.waverunner-fan.com/pp2/
Unpacked files
SH256 hash:
938e58dbe5ef73b10f89fab9ee93f9884a3ebd7d7d8a96f47a151519adf140e5
MD5 hash:
0bbbe3995d32dabb215e048f385c1d69
SHA1 hash:
fd57d833231f309cf8ad2975fdf5fcfd659ac1f5
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/80a7c81f-2c7e-4b4c-8583-7e6210d68cf8/
Parent samples :
814c8a7ae9ec48b7a455cdf15b8c520fc9d7695e24f31afd5ff72cbc25e08704
f78a6375389df1b721be110480efd240f604f51868031e72d88cb7612616fb67
192d72b9c3606442b19976f325d40ad48b4d397a7c4ac6fb575fbbebf7e06382
8b81d22c0941fc15f8e6984f2c2f281d192d1f0e6453c3e50892c733ae36e353
SH256 hash:
7ef2e729a7afbff87a7f7a33ee7ff3e5856a67399757beeb6db10eb0ade9652c
MD5 hash:
17cdd2216c798f23afcbcc2d85a7c527
SHA1 hash:
eff68ae1cc1c07853cfc7600a4a0523d4cb91d0f
Link:
https://www.unpac.me/results/80a7c81f-2c7e-4b4c-8583-7e6210d68cf8/
SH256 hash:
64a419709ad219ffc006bda776b650da486d55048d2fa34525f40227da0e5c86
MD5 hash:
88c0ec8398978fa2e4240f02765086ad
SHA1 hash:
5a5c4935b2d70e890c89ad9332365f4f4aa86f3c
Link:
https://www.unpac.me/results/80a7c81f-2c7e-4b4c-8583-7e6210d68cf8/
SH256 hash:
814c8a7ae9ec48b7a455cdf15b8c520fc9d7695e24f31afd5ff72cbc25e08704
MD5 hash:
ab830be5e48f1db0f4ebf3a106473a32
SHA1 hash:
3a376a9ad849b778b4ef2235616068f221b2e61e
Link:
https://www.unpac.me/results/80a7c81f-2c7e-4b4c-8583-7e6210d68cf8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/814c8a7ae9ec48b7a455cdf15b8c520fc9d7695e24f31afd5ff72cbc25e08704

File information

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

Web download

Formbook

Executable exe 814c8a7ae9ec48b7a455cdf15b8c520fc9d7695e24f31afd5ff72cbc25e08704

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/112151/
  
URLhaus
https://urlhaus.abuse.ch/url/959948/
  
Delivery method
Distributed via web download

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