MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 07843e27993206a92d9e0bfbb249332fcfedad068bec8f7f7f3f318654c7910c. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 07843e27993206a92d9e0bfbb249332fcfedad068bec8f7f7f3f318654c7910c
SHA3-384 hash: dafd4890f550cbe302a050fa2378dadb264ed28be2d5a26e7a9beb1f32f25cdba3236e1a9fa04e69a2ad1de22c8454d2
SHA1 hash: 8942398a618db4a5a5bf3379e34bf4ecb6e1dc44
MD5 hash: 3379797c78848d3b80d7bb330381ffec
humanhash: north-one-california-wolfram
File name:Proforma Invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:993'792 bytes
First seen:2023-03-17 13:24:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:pobVAYD998lRkBhd1lod8uukAdc6i4YzNbu:popAYD99yUv1lw81kAdti5hb
Threatray 2'410 similar samples on MalwareBazaar
TLSH T154259E3D3EAAB9D2F174F275EBE14222E7E39ED3B912DE4A15C3034C4602756788624D
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Proforma Invoice.exe
Verdict:
Malicious activity
Analysis date:
2023-03-17 13:26:22 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/cbf8cf7f-19bb-455a-86fb-f4a77ffd0181

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/375105/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Searching for the window
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
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed shell32.dll
Link:
https://www.filescan.io/uploads/64146a2ff8dd0701d53bf6bc/reports/38238d2f-d68b-4c14-bc98-bebba34f6d32/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/07843e27993206a92d9e0bfbb249332fcfedad068bec8f7f7f3f318654c7910c
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3df2788b-ef1d-494b-9a78-f4969e4b0867
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1195862
Signature
Antivirus detection for URL or domain
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 harvest and steal browser information (history, passwords, etc)
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 signatures2 2 Behavior Graph ID: 828762 Sample: Proforma_Invoice.exe Startdate: 17/03/2023 Architecture: WINDOWS Score: 100 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 Sigma detected: Scheduled temp file as task from temp location 2->50 52 6 other signatures 2->52 8 Proforma_Invoice.exe 6 2->8         started        12 OtwtvwxD.exe 5 2->12         started        process3 file4 34 C:\Users\user\AppData\Roaming\OtwtvwxD.exe, PE32 8->34 dropped 36 C:\Users\user\AppData\Local\...\tmp3538.tmp, XML 8->36 dropped 38 C:\Users\user\...\Proforma_Invoice.exe.log, ASCII 8->38 dropped 56 Uses schtasks.exe or at.exe to add and modify task schedules 8->56 58 Injects a PE file into a foreign processes 8->58 14 Proforma_Invoice.exe 8->14         started        17 schtasks.exe 1 8->17         started        60 Multi AV Scanner detection for dropped file 12->60 62 Machine Learning detection for dropped file 12->62 19 schtasks.exe 1 12->19         started        21 OtwtvwxD.exe 12->21         started        signatures5 process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 Queues an APC in another process (thread injection) 14->70 23 explorer.exe 1 1 14->23 injected 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        process8 dnsIp9 40 www.42230.org.wcdnga.com 163.171.128.148, 49705, 49706, 80 QUANTILNETWORKSUS European Union 23->40 42 matrukrupacc.com 216.10.248.111, 49692, 80 PUBLIC-DOMAIN-REGISTRYUS India 23->42 44 10 other IPs or domains 23->44 54 System process connects to network (likely due to code injection or exploit) 23->54 31 colorcpl.exe 13 23->31         started        signatures10 process11 signatures12 72 Tries to steal Mail credentials (via file / registry access) 31->72 74 Tries to harvest and steal browser information (history, passwords, etc) 31->74 76 Modifies the context of a thread in another process (thread injection) 31->76 78 Maps a DLL or memory area into another process 31->78
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/07843e27993206a92d9e0bfbb249332fcfedad068bec8f7f7f3f318654c7910c/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-03-16 07:58:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=a6cd4j4zgidkslm6bp53esjtf7h63ligrpwi6737h4yymvghsega._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
001ae890e1b80cd37b13080c823b9f52f8acaf173a99b3e6c5ab5126017e958d
Formbook
13c4ed220256fb2dfb95631c042d9eadf977bd2dc5e4aa0898ab99bd16d33ef7
Formbook
2f260a7dd8ae9e2acf2c741d221a735644f9846740c3d379f1c7edb4ce30b845
Formbook
375023474e1cf7831eae2918f7dd925a8fbc310986a063a00d91a31a07f15f7c
Formbook
7fd5172067f790c21d11dc37987f04bbe9e4c04038074b788ac79bcc83c06f1a
Formbook
d1613f6ca68cdd7b490e9c42b1abc4b5c71aadf146977bdfc3f4d33d2d33159d
Formbook
+ 2'400 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/230317-qnepxsad3y/
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
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Unpacked files
SH256 hash:
ef3c7bf77e06f90c5fee8f82de30d15cde347504601a2f4a4da5c808fda3d146
MD5 hash:
d721abd1774d5d25c516645d1613380b
SHA1 hash:
1d6ea57141f658bfbcbfa9f30cff02639897a9bd
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/dc7b05c4-0c7c-4b2e-828e-c27386713666/
Parent samples :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 hash:
c5f46eae4c3daf89f723d9a0ed54928319b429e8e6b7e090b6d9887a7f8ef56a
MD5 hash:
efb0011b5da4e019d914f3c0ab18f002
SHA1 hash:
0be02538e44f1a12f5b61d90c94f9bd20c562813
Link:
https://www.unpac.me/results/dc7b05c4-0c7c-4b2e-828e-c27386713666/
SH256 hash:
73ef5a67e453ba6f871f95dc09ac92ca290576f36e696c2fb4a0639793daf149
MD5 hash:
ba43f5ef2a5abe1da3ac0634a422be6a
SHA1 hash:
fa58e4c5df2c14fa15275d0744fcddaa2e5117dc
Link:
https://www.unpac.me/results/dc7b05c4-0c7c-4b2e-828e-c27386713666/
SH256 hash:
ea8d4c91ec5bba5e1db6c17730d7ba5cdbb5ff3c1a777f70c90e91ce599d9b5d
MD5 hash:
27f5124bf8f451bca8d8a15c73c4f521
SHA1 hash:
5fd557e109b8fd1c3b362b64f0ba9f1600c07211
Link:
https://www.unpac.me/results/dc7b05c4-0c7c-4b2e-828e-c27386713666/
SH256 hash:
07843e27993206a92d9e0bfbb249332fcfedad068bec8f7f7f3f318654c7910c
MD5 hash:
3379797c78848d3b80d7bb330381ffec
SHA1 hash:
8942398a618db4a5a5bf3379e34bf4ecb6e1dc44
Link:
https://www.unpac.me/results/dc7b05c4-0c7c-4b2e-828e-c27386713666/
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/07843e27993206a92d9e0bfbb249332fcfedad068bec8f7f7f3f318654c7910c

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/375105/

Comments