MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 214e7c24e31f6b55f13cea79121dd1194be25a68601abf22ef1d191abf4dbe49. 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 2 File information Comments
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SHA256 hash: 214e7c24e31f6b55f13cea79121dd1194be25a68601abf22ef1d191abf4dbe49
SHA3-384 hash: b98bbfe528cebeec93cf154f77077c0ae02622f30e197131431cd71dd795a26c97661c6236e614c06772d4df22f529d0
SHA1 hash: 9b07fd9f892032902f08428ef258e6e51f97c235
MD5 hash: da5cf92c930c696066fca8a1b80a965b
humanhash: william-network-london-white
File name:Tax Invoice.exe
Download: download sample
Signature Formbook
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File size:922'624 bytes
First seen:2022-11-02 08:57:16 UTC
Last seen:2022-11-04 07:22:44 UTC
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:XCt4XHnmAgHtDg5xE1a6l1FSHGJCOyZI/J+toyb5NYuq52RpZF9sah5NB:ySXu4fA3S02I/J7KNYuu2RpZFmw5
TLSH T15615CF243AEA6519F373EE72CBC574ADC6BBF7622603EC99148003864702F46DD9177A
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 7979808880008000 (4 x AgentTesla, 1 x Formbook)
Reporter cocaman
Tags:exe FormBook INVOICE

Intelligence

File Origin
# of uploads :
2
# of downloads :
334
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Tax Invoice.exe
Verdict:
Malicious activity
Analysis date:
2022-11-02 09:00:23 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/e92ebe62-b938-4191-ae59-de8999dd3232

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/327037/
Detection(s):
SecuriteInfo.com.Trojan.Olock.1.30854.7363.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6362311c791bb7e48afe0a41/reports/cbff7382-edbf-4581-8ebb-a3193186729b/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5697b006-f99a-4cc4-80bc-1a94e604d6fc
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1103075
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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)
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 steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 735736 Sample: Tax Invoice.exe Startdate: 02/11/2022 Architecture: WINDOWS Score: 100 43 www.shebeastbjj.com 2->43 53 Malicious sample detected (through community Yara rule) 2->53 55 Sigma detected: Scheduled temp file as task from temp location 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 8 other signatures 2->59 9 Tax Invoice.exe 6 2->9         started        13 YKQZGOPSb.exe 5 2->13         started        signatures3 process4 file5 37 C:\Users\user\AppData\Roaming\YKQZGOPSb.exe, PE32 9->37 dropped 39 C:\Users\user\AppData\Local\...\tmp9A48.tmp, XML 9->39 dropped 41 C:\Users\user\AppData\...\Tax Invoice.exe.log, ASCII 9->41 dropped 63 Injects a PE file into a foreign processes 9->63 15 Tax Invoice.exe 9->15         started        18 schtasks.exe 1 9->18         started        65 Multi AV Scanner detection for dropped file 13->65 67 Machine Learning detection for dropped file 13->67 20 YKQZGOPSb.exe 13->20         started        22 schtasks.exe 1 13->22         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 75 Queues an APC in another process (thread injection) 15->75 24 explorer.exe 15->24 injected 28 conhost.exe 18->28         started        30 conhost.exe 22->30         started        process9 dnsIp10 45 www.njdshl.com 103.171.34.223, 49699, 80 AARNET-AS-APAustralianAcademicandResearchNetworkAARNe unknown 24->45 61 System process connects to network (likely due to code injection or exploit) 24->61 32 cmmon32.exe 12 24->32         started        35 WWAHost.exe 24->35         started        signatures11 process12 signatures13 47 Tries to steal Mail credentials (via file / registry access) 32->47 49 Modifies the context of a thread in another process (thread injection) 32->49 51 Maps a DLL or memory area into another process 32->51
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/214e7c24e31f6b55f13cea79121dd1194be25a68601abf22ef1d191abf4dbe49/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-11-01 21:05:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=efhhyjhdd5vvl4j45j4rehordff6ewtimanl6ixpdumrvp2nxzeq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:tfpo rat spyware stealer trojan
Link:
https://tria.ge/reports/221102-kw59ysaeh5/
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ac57a63e-f03a-4138-b727-82d62da41be6
Unpacked files
SH256 hash:
b83e13790a2259f9d69b9f031638b49a941ab60607d49f4b864171693ac08fe9
MD5 hash:
d1d65c6c7032a3169c155e0774757ed2
SHA1 hash:
bc71c7fce5024867a8a78fbf41fcd3aa12fba57b
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/3b70c715-e183-4404-9c03-21a4c8458171/
Parent samples :
214e7c24e31f6b55f13cea79121dd1194be25a68601abf22ef1d191abf4dbe49
dca60942dfb2cb16f39dc40e175fe53dac90d9daea5122479c3dd5f7dd4711d6
SH256 hash:
d8390fa4af9de458d794bbdb27239551942f6db661c2ed8d258b1a5973bec58d
MD5 hash:
22165f6798a2482d8af3b5c573aa2e4d
SHA1 hash:
a322ef5def2dec05534d4950ddfb71e74c0dc8cb
Link:
https://www.unpac.me/results/3b70c715-e183-4404-9c03-21a4c8458171/
SH256 hash:
d51d4fc1752ce16fd005d395cdba7ea6c7517f0e14f1aff98cece84919c0509b
MD5 hash:
4a8afb698ddc5ffddac88c667e8d895d
SHA1 hash:
ac822adb7dad2386700cf029589e1abfcd3d2e61
Link:
https://www.unpac.me/results/3b70c715-e183-4404-9c03-21a4c8458171/
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
Link:
https://www.unpac.me/results/3b70c715-e183-4404-9c03-21a4c8458171/
SH256 hash:
214e7c24e31f6b55f13cea79121dd1194be25a68601abf22ef1d191abf4dbe49
MD5 hash:
da5cf92c930c696066fca8a1b80a965b
SHA1 hash:
9b07fd9f892032902f08428ef258e6e51f97c235
Link:
https://www.unpac.me/results/3b70c715-e183-4404-9c03-21a4c8458171/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/214e7c24e31f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/214e7c24e31f6b55f13cea79121dd1194be25a68601abf22ef1d191abf4dbe49

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

zip 01d5c6fdedfe1cb8c8b869e68e3271e63322b384fb865a03ecfe2e943f4c0987

Formbook

Executable exe 214e7c24e31f6b55f13cea79121dd1194be25a68601abf22ef1d191abf4dbe49

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 01d5c6fdedfe1cb8c8b869e68e3271e63322b384fb865a03ecfe2e943f4c0987
Cape
Cape
https://www.capesandbox.com/analysis/327037/
  
Dropped by
MD5 e3db602779ca6c1a7b8bdd08f939f881

Comments