MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01
SHA3-384 hash: 9e27fb30a112a6ee36b4f0cb1c473ecb4e646cbfe97345c1d294933e422c3a0179daf4e23b8563cfde560964f50185ae
SHA1 hash: 980c97f058d1248411d9ebc17383ab031fa4e1e6
MD5 hash: 178a7a9746f4671d810b5f451870f4e0
humanhash: september-mountain-oxygen-network
File name:factura.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:826'880 bytes
First seen:2022-08-19 08:59:07 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 12288:hsZP7BAr0ik1U11R/5PG6nlY6lJf45rmtVSShhzgD9VwF/302CrQW:XkSPTPTNvI92x0
TLSH T1A505BF157677DC22D3BD13B7C2C2041853B09A4AE25EE78BBECA21C61A13BD598C1BD7
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
340
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
factura.exe
Verdict:
Malicious activity
Analysis date:
2022-08-19 09:01:01 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/492cf885-37dd-4f93-a6be-270230ca0733

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/299750/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1496.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62ff5115dae95ca4d488e860/reports/02cda04c-9a85-42d4-a6a3-365455b68023/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f4a15830-4982-4ab3-8511-45c7e4329b7c
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1054296
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected FormBook malware
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
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
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: 686813 Sample: factura.exe Startdate: 19/08/2022 Architecture: WINDOWS Score: 100 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 58 Multi AV Scanner detection for dropped file 2->58 60 9 other signatures 2->60 10 factura.exe 7 2->10         started        process3 file4 38 C:\Users\user\AppData\...\OsuDEZKiGltX.exe, PE32 10->38 dropped 40 C:\Users\...\OsuDEZKiGltX.exe:Zone.Identifier, ASCII 10->40 dropped 42 C:\Users\user\AppData\Local\...\tmpC146.tmp, XML 10->42 dropped 44 C:\Users\user\AppData\...\factura.exe.log, ASCII 10->44 dropped 64 Uses schtasks.exe or at.exe to add and modify task schedules 10->64 66 Adds a directory exclusion to Windows Defender 10->66 68 Tries to detect virtualization through RDTSC time measurements 10->68 14 factura.exe 10->14         started        17 powershell.exe 23 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 70 Modifies the context of a thread in another process (thread injection) 14->70 72 Maps a DLL or memory area into another process 14->72 74 Sample uses process hollowing technique 14->74 76 Queues an APC in another process (thread injection) 14->76 21 explorer.exe 14->21 injected 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        process8 dnsIp9 50 www.senetek.com 208.91.197.91, 49685, 49686, 80 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 21->50 62 System process connects to network (likely due to code injection or exploit) 21->62 29 systray.exe 18 21->29         started        signatures10 process11 file12 46 C:\Users\user\AppData\...\324logrv.ini, data 29->46 dropped 48 C:\Users\user\AppData\...\324logri.ini, data 29->48 dropped 78 Detected FormBook malware 29->78 80 Tries to steal Mail credentials (via file / registry access) 29->80 82 Tries to harvest and steal browser information (history, passwords, etc) 29->82 84 3 other signatures 29->84 33 cmd.exe 2 29->33         started        signatures13 process14 signatures15 52 Tries to harvest and steal browser information (history, passwords, etc) 33->52 36 conhost.exe 33->36         started        process16
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-08-18 14:36:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dzv53kczz5zsjs53tdv2h6ax3ngmad4esw4tzpounlnwjpq3hqaq._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:mzk6 rat spyware stealer trojan
Link:
https://tria.ge/reports/220819-kya7labbbq/
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
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
Reads user/profile data of web browsers
Formbook payload
Formbook
Unpacked files
SH256 hash:
49f69bfed621c74031a97697d55c1804019db89bc9a910cabd15f7504ebcc677
MD5 hash:
e0aa6637560585c57c11a375034bdf5d
SHA1 hash:
7ee4bde50e0e1196c0557200305463270be63f3f
Detections:
win_formbook_g0
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win_formbook_auto
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FormBook
Create hunting rule
Link:
https://www.unpac.me/results/88c08909-7d68-4947-b44c-e806b6eadf57/
SH256 hash:
c1ddbb9712f76183f6d1f542257b98b10ad33d0cf08e9170a33366973e7cafa2
MD5 hash:
a0acb48399b1a9b68ae4a2383d3137ce
SHA1 hash:
fc4148ff4acaf8199d008dce362d9b94b723ac12
Link:
https://www.unpac.me/results/88c08909-7d68-4947-b44c-e806b6eadf57/
SH256 hash:
551ef0181260a5ab5728a618c2e86443753aaeb425e6c3b1346dfb0a661c73af
MD5 hash:
3c7205139e6aabd7de040b15021c24ed
SHA1 hash:
e4c66e4ca1bb3b5488d7c4ba7fddc8cac118955f
Link:
https://www.unpac.me/results/88c08909-7d68-4947-b44c-e806b6eadf57/
SH256 hash:
31de4f3675a3834880f62077e4dd290a5156259144003671205bb3e9b54567e7
MD5 hash:
af328bc106abae9393db0e4bb1531838
SHA1 hash:
87e0da1a949fe6dc2e7a9971b46c30e5aefe689c
Link:
https://www.unpac.me/results/88c08909-7d68-4947-b44c-e806b6eadf57/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/88c08909-7d68-4947-b44c-e806b6eadf57/
SH256 hash:
1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01
MD5 hash:
178a7a9746f4671d810b5f451870f4e0
SHA1 hash:
980c97f058d1248411d9ebc17383ab031fa4e1e6
Link:
https://www.unpac.me/results/88c08909-7d68-4947-b44c-e806b6eadf57/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1e6bdda859cf/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/1e6bdda859cf7324cbbb98eba3f817db4cc00f8495b93cbdd46adb64be1b3c01

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
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

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/299750/

Comments