MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 53867ae1994d09f07b882ff96d80fc9d38b50e3aae70054985e07b20634ac14f. 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: 14


Intelligence 14 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 53867ae1994d09f07b882ff96d80fc9d38b50e3aae70054985e07b20634ac14f
SHA3-384 hash: 91eb96d3ee5cd7bf4aa2ffa9cc2cbbf7921970264c3ac8a5e68f2eb9414b93bdf09aace8714f8b337afc3cb6ee8430b8
SHA1 hash: 943949819b8354ec72c6d7bc2990e60960cc983c
MD5 hash: f3cdb6d084eb1476923a99f04b868329
humanhash: india-oven-comet-network
File name:44620.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:295'168 bytes
First seen:2022-09-21 10:44:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:oQTBRm0/hGz940BNWWCmxKg5VzHUgaRv4w8DX4yyHO3APeyUqhIG:/Q0pKHGKKgzz0gaupYHO8eyUqZ
TLSH T10354E0887654B58FC82BC872CAED4C10BBB47AA31717C257B4477A9C9A1E7D7CE100E6
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter JAMESWT_WT
Tags:cmnops-com exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
301
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
44620.exe
Verdict:
Malicious activity
Analysis date:
2022-09-21 10:47:25 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/b356fcb4-235c-4202-910c-9b4054e2009f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/312037/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/632aebb436ba812561a784c0/reports/6a03af67-72c0-46eb-b674-37f5e15c8bc8/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d880ecd7-98fe-4955-b2f3-7ac6d8d15d85
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1074552
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in 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)
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 707094 Sample: 44620.exe Startdate: 21/09/2022 Architecture: WINDOWS Score: 100 31 www.inhomeyoga.com 2->31 33 inhomeyoga.com 2->33 35 www.booth-desin.com 2->35 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 Yara detected FormBook 2->43 45 3 other signatures 2->45 9 44620.exe 1 2->9         started        signatures3 process4 file5 23 C:\Users\user\AppData\Local\...\44620.exe.log, ASCII 9->23 dropped 55 Writes to foreign memory regions 9->55 57 Allocates memory in foreign processes 9->57 59 Injects a PE file into a foreign processes 9->59 13 cvtres.exe 9->13         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 13->61 63 Maps a DLL or memory area into another process 13->63 65 Sample uses process hollowing technique 13->65 67 Queues an APC in another process (thread injection) 13->67 16 explorer.exe 13->16 injected process9 dnsIp10 25 inhomeyoga.com 195.110.124.133, 49702, 80 REGISTER-ASIT Italy 16->25 27 fedefarmatour.online 81.88.48.71, 49703, 49704, 49705 REGISTER-ASIT Italy 16->27 29 5 other IPs or domains 16->29 37 System process connects to network (likely due to code injection or exploit) 16->37 20 cmmon32.exe 13 16->20         started        signatures11 process12 signatures13 47 Tries to steal Mail credentials (via file / registry access) 20->47 49 Tries to harvest and steal browser information (history, passwords, etc) 20->49 51 Modifies the context of a thread in another process (thread injection) 20->51 53 Maps a DLL or memory area into another process 20->53
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/53867ae1994d09f07b882ff96d80fc9d38b50e3aae70054985e07b20634ac14f/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-09-21 10:45:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
23 of 25 (92.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kodhvymzjue7a64if74w3ah4tu4lkdr2vzyaksmf4b5say2kyfhq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:dwdp loader rat spyware stealer trojan
Link:
https://tria.ge/reports/220921-mtd4ssgbd6/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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
Formbook
Xloader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1c4d5802-e82c-451a-8bb3-bbc62c4ab6f1
Unpacked files
SH256 hash:
c137317b0e2810118e69b648d9538ee8c5407fc5fd48a8fefbffd4b615535851
MD5 hash:
90ce499021b8d692a690428db90dab5b
SHA1 hash:
21c2efa9bee669ba29d609b06c699eda6d39bf3e
Link:
https://www.unpac.me/results/6e5418dc-c37e-40ab-9140-8cfcca682375/
SH256 hash:
da0c39c9d88442d08e6515c1efe3a8e7ada043a6b267bce0f2f7efbc35b5165c
MD5 hash:
1e3866979496d2f6682f70515fccf19c
SHA1 hash:
1c90d82eee69694bb40cd1019785eb5e57541f56
Link:
https://www.unpac.me/results/6e5418dc-c37e-40ab-9140-8cfcca682375/
SH256 hash:
53867ae1994d09f07b882ff96d80fc9d38b50e3aae70054985e07b20634ac14f
MD5 hash:
f3cdb6d084eb1476923a99f04b868329
SHA1 hash:
943949819b8354ec72c6d7bc2990e60960cc983c
Link:
https://www.unpac.me/results/6e5418dc-c37e-40ab-9140-8cfcca682375/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/53867ae1994d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/53867ae1994d09f07b882ff96d80fc9d38b50e3aae70054985e07b20634ac14f

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:RansomwareTest4
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest5
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest7
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/312037/

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