MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db22f0cb9581f21a73f9221cb57c49b5e4f698021754eaa30fdbde8db72ad333. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: db22f0cb9581f21a73f9221cb57c49b5e4f698021754eaa30fdbde8db72ad333
SHA3-384 hash: 26635d46cd80b877d58336f99a67c4d113dfe47814687c3b15c03cffa81dd59976936b5844738981c2c7cba0d9688999
SHA1 hash: 77fbc178ba4fdcad7c50fd27be99a42819229295
MD5 hash: 4ff22921bc0d07d7566d986e84afc348
humanhash: emma-maine-mango-wyoming
File name:4ff22921bc0d07d7566d986e84afc348.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'083'392 bytes
First seen:2021-01-13 07:17:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:hagcXaDxZcKRc5GZmsPjaJKf9y2eIvwqUAQw:hag1fcKutsbt9y2Bvwq
TLSH 2C359D7C36407DEEC8278EBB88941D60D92064A7970FE2D351632DDA5A0DBDA8F143E7
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Draft shipping docs.xlsx
Verdict:
Malicious activity
Analysis date:
2021-01-13 05:14:08 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/e686ccfe-5324-4751-9ea8-86de87a371e2

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/111702/
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/579840
Signature
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 338967 Sample: xrxSVsbRli.exe Startdate: 13/01/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 6 other signatures 2->42 10 xrxSVsbRli.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\xrxSVsbRli.exe.log, ASCII 10->28 dropped 52 Detected unpacking (changes PE section rights) 10->52 54 Detected unpacking (overwrites its own PE header) 10->54 56 Tries to detect virtualization through RDTSC time measurements 10->56 14 xrxSVsbRli.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 30 radioroutiers.com 91.234.195.123, 49737, 80 RMI-FITECHFR France 17->30 32 theacademylife.com 34.102.136.180, 49749, 49750, 80 GOOGLEUS United States 17->32 34 8 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 wlanext.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/db22f0cb9581f21a73f9221cb57c49b5e4f698021754eaa30fdbde8db72ad333/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-01-13 06:23:42 UTC
AV detection:
17 of 44 (38.64%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3mrpbs4vqhzbu47zeiolk7cjwxspngacc5koviyp3ppi3nzk2mzq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210113-793ydxt25n/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.zglvyouzaixian.com/nki/
Unpacked files
SH256 hash:
db22f0cb9581f21a73f9221cb57c49b5e4f698021754eaa30fdbde8db72ad333
MD5 hash:
4ff22921bc0d07d7566d986e84afc348
SHA1 hash:
77fbc178ba4fdcad7c50fd27be99a42819229295
Link:
https://www.unpac.me/results/2fe47bbe-05ce-4193-bbc9-7ff7e45487f0/
SH256 hash:
c72722725220f9911af62b8853f64427ab99912a2d4ca98052fa24845436d13f
MD5 hash:
99f4d89a49c22f46b3b336085b5651ae
SHA1 hash:
0fdd404a3bd8ce683664f0590c8449425e010183
Link:
https://www.unpac.me/results/2fe47bbe-05ce-4193-bbc9-7ff7e45487f0/
SH256 hash:
64a419709ad219ffc006bda776b650da486d55048d2fa34525f40227da0e5c86
MD5 hash:
88c0ec8398978fa2e4240f02765086ad
SHA1 hash:
5a5c4935b2d70e890c89ad9332365f4f4aa86f3c
Link:
https://www.unpac.me/results/2fe47bbe-05ce-4193-bbc9-7ff7e45487f0/
SH256 hash:
292a5bc45419b570fb32d43a8652e79cee353599da4588afae44400e6f3bf82e
MD5 hash:
8bfeecf2c89b495113aa0db7e507bb0d
SHA1 hash:
d0269be2fc9ee7dd8f4cac812d37b7905e7d8dd7
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/2fe47bbe-05ce-4193-bbc9-7ff7e45487f0/
Parent samples :
f53df4e1f9405d98a02cf34bedf2ee5df88437c130eb339eb6da9850f14ad443
0ae22d4877231b64b2e9e1252bbe8636ea43fe5692ca899733e715ccfc82e224
db22f0cb9581f21a73f9221cb57c49b5e4f698021754eaa30fdbde8db72ad333
420f06103fac607a08bc7ff557201ffc5fc4f693aa52df9476171ed5398d8bf5
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/db22f0cb9581f21a73f9221cb57c49b5e4f698021754eaa30fdbde8db72ad333

File information

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

Web download

Formbook

Executable exe db22f0cb9581f21a73f9221cb57c49b5e4f698021754eaa30fdbde8db72ad333

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/111702/
  
URLhaus
https://urlhaus.abuse.ch/url/954574/
  
Delivery method
Distributed via web download

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