MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f2a69c94ab6e8b1d0b77a06a04cf40af21aac11a7c3f142c5b6c9efba12fc7a. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments

SHA256 hash: 7f2a69c94ab6e8b1d0b77a06a04cf40af21aac11a7c3f142c5b6c9efba12fc7a
SHA3-384 hash: b3d1afc2350be1fd6eab962634a3a2febd1c1bf9db74dcb9195041a802790f9e80ed7578c91bfea50772389eed7ca530
SHA1 hash: a906104f5ba8a3d55fb5c0ceb78c8685651b783c
MD5 hash: fb08f8385f6e1407885e329d1a7a33d5
humanhash: friend-arkansas-mango-lithium
File name:1052289451.exe
Download: download sample
Signature Formbook
File size:443'392 bytes
First seen:2022-01-24 14:40:41 UTC
Last seen:2022-01-24 16:55:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:YNeJpzxBxqax2pJmEAo/jnF8y/L4DbgFipNn+QU4NQoGAoWgEbCX6A:qevxBxqakpZ/TJxGQbAoWQX6A
TLSH T1E3945E1C7A414A72ED0D8AB04B69DE08FB671F83624CBD91F7EB15CA874F4672D44CA8
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
193
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7f2a69c94ab6e8b1d0b77a06a04cf40af21aac11a7c3f142c5b6c9efba12fc7a.exe
Verdict:
Malicious activity
Analysis date:
2022-01-24 14:58:24 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Unauthorized injection to a recently created process
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Launching the default Windows debugger (dwwin.exe)
Running batch commands
Creating a file in the %AppData% subdirectories
Launching a process
Searching for the window
Creating a process from a recently created file
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm cmd.exe obfuscated packed
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Binary or sample is protected by dotNetProtector
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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
Self deletion via cmd delete
Sigma detected: CMSTP Execution Process Creation
Tries to delay execution (extensive OutputDebugStringW loop)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 558875 Sample: 1052289451.exe Startdate: 24/01/2022 Architecture: WINDOWS Score: 100 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 7 other signatures 2->52 10 1052289451.exe 2 2->10         started        13 updat.exe 2->13         started        process3 signatures4 62 Tries to delay execution (extensive OutputDebugStringW loop) 10->62 64 Tries to detect virtualization through RDTSC time measurements 10->64 66 Injects a PE file into a foreign processes 10->66 15 1052289451.exe 10->15         started        18 cmd.exe 3 10->18         started        21 cmd.exe 2 10->21         started        23 cmd.exe 1 10->23         started        68 Multi AV Scanner detection for dropped file 13->68 70 Machine Learning detection for dropped file 13->70 process5 file6 72 Modifies the context of a thread in another process (thread injection) 15->72 74 Maps a DLL or memory area into another process 15->74 76 Sample uses process hollowing technique 15->76 78 Queues an APC in another process (thread injection) 15->78 25 explorer.exe 15->25 injected 42 C:\Users\user\AppData\Roaming\...\updat.exe, PE32 18->42 dropped 44 C:\Users\user\...\updat.exe:Zone.Identifier, ASCII 18->44 dropped 27 conhost.exe 18->27         started        80 Uses schtasks.exe or at.exe to add and modify task schedules 21->80 29 conhost.exe 21->29         started        31 conhost.exe 23->31         started        33 schtasks.exe 1 23->33         started        signatures7 process8 process9 35 cmstp.exe 25->35         started        signatures10 54 Self deletion via cmd delete 35->54 56 Modifies the context of a thread in another process (thread injection) 35->56 58 Maps a DLL or memory area into another process 35->58 60 Tries to detect virtualization through RDTSC time measurements 35->60 38 cmd.exe 1 35->38         started        process11 process12 40 conhost.exe 38->40         started       
Threat name:
ByteCode-MSIL.Trojan.Mardom
Status:
Malicious
First seen:
2022-01-24 14:40:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:oh75 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
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
Executes dropped EXE
Formbook Payload
Formbook
Unpacked files
SH256 hash:
0244953d4887a39ba67522c6a35d46dc0031fa7e95605c131c2311a2eb7c1073
MD5 hash:
57d726dbbd803ed2f921cda9890b9f27
SHA1 hash:
0bb67b584d94617daabb8976801f4cfa70a10bc7
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
7f2a69c94ab6e8b1d0b77a06a04cf40af21aac11a7c3f142c5b6c9efba12fc7a
MD5 hash:
fb08f8385f6e1407885e329d1a7a33d5
SHA1 hash:
a906104f5ba8a3d55fb5c0ceb78c8685651b783c
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:INDICATOR_EXE_Packed_Dotfuscator
Author:ditekSHen
Description:Detects executables packed with Dotfuscator
Rule name:INDICATOR_EXE_Packed_dotNetProtector
Author:ditekSHen
Description:Detects executables packed with dotNetProtector
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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

Comments