MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d9fd82a99acf6e1a5f73951f25ad50787a9446fd31f8dc471440f2f230292f4e. 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

SHA256 hash: d9fd82a99acf6e1a5f73951f25ad50787a9446fd31f8dc471440f2f230292f4e
SHA3-384 hash: 4a230d2b5a56e3f2263d23fd4fb40ce0045c27b63712871612771c7564041105473e0a78ec18e013803f76e24abf3d95
SHA1 hash: ce1d1213958e1238d6b512f38cb41ebceb801450
MD5 hash: ace9fca4813e9dcd69ddd41b47fc7980
humanhash: cup-apart-april-connecticut
File name:INV80002-pdf-.exe
Download: download sample
Signature Formbook
File size:833'536 bytes
First seen:2023-01-14 04:22:37 UTC
Last seen:2023-01-14 05:30:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:AAfCDolghIk0SUbpaY60l6mJkFyq4USrRDbzXlZy+b1lSR+BVnw:AtD0SUbpaYrlHMyq4UORDbRZhlSQw
TLSH T1E805E092B284C196DD6A13B1E8370CF502B77D7AEA70D08F4C8ABDA13BB37924555E07
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% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 0a1a185810144333 (3 x Formbook)
Reporter Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
INV80002-pdf-.exe
Verdict:
Malicious activity
Analysis date:
2023-01-14 04:24:33 UTC
Tags:
formbook xloader

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

Behaviour
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed phishing
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
.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
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
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 detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 784281 Sample: INV80002-pdf-.exe Startdate: 14/01/2023 Architecture: WINDOWS Score: 100 74 Malicious sample detected (through community Yara rule) 2->74 76 Antivirus detection for URL or domain 2->76 78 Sigma detected: Scheduled temp file as task from temp location 2->78 80 8 other signatures 2->80 10 INV80002-pdf-.exe 7 2->10         started        14 qAlqbfUbzNO.exe 5 2->14         started        process3 file4 50 C:\Users\user\AppData\...\qAlqbfUbzNO.exe, PE32 10->50 dropped 52 C:\Users\...\qAlqbfUbzNO.exe:Zone.Identifier, ASCII 10->52 dropped 54 C:\Users\user\AppData\Local\...\tmp2718.tmp, XML 10->54 dropped 56 C:\Users\user\...\INV80002-pdf-.exe.log, ASCII 10->56 dropped 88 Uses schtasks.exe or at.exe to add and modify task schedules 10->88 90 Adds a directory exclusion to Windows Defender 10->90 92 Tries to detect virtualization through RDTSC time measurements 10->92 16 INV80002-pdf-.exe 10->16         started        19 powershell.exe 19 10->19         started        21 schtasks.exe 1 10->21         started        94 Multi AV Scanner detection for dropped file 14->94 96 Machine Learning detection for dropped file 14->96 23 qAlqbfUbzNO.exe 14->23         started        25 schtasks.exe 1 14->25         started        27 qAlqbfUbzNO.exe 14->27         started        29 qAlqbfUbzNO.exe 14->29         started        signatures5 process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 16->64 66 Maps a DLL or memory area into another process 16->66 68 Sample uses process hollowing technique 16->68 70 Queues an APC in another process (thread injection) 16->70 31 explorer.exe 1 16->31 injected 35 conhost.exe 19->35         started        37 conhost.exe 21->37         started        39 conhost.exe 25->39         started        process8 dnsIp9 58 www.johnathanliver.click 31->58 60 www.gramsurthebest.com 31->60 62 www.gifcome.com 31->62 72 System process connects to network (likely due to code injection or exploit) 31->72 41 cscript.exe 31->41         started        44 svchost.exe 31->44         started        signatures10 process11 signatures12 82 Modifies the context of a thread in another process (thread injection) 41->82 84 Maps a DLL or memory area into another process 41->84 86 Tries to detect virtualization through RDTSC time measurements 41->86 46 cmd.exe 41->46         started        process13 process14 48 conhost.exe 46->48         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-01-12 08:17:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:a09e rat spyware stealer trojan
Behaviour
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
e5ea147fe81d097d3103c05062381f0be37fa86ee495f0a69ef8214a08a825ea
MD5 hash:
58a2b1eaf3edee11ec07761db444d4f9
SHA1 hash:
c8219e8cce4172801134f3d879eb1bf98cf2a924
SH256 hash:
aaeed4c5dc1444ca00520067f20f6df3460dbbd4667b26c45e814567d749d4b3
MD5 hash:
020e789a50474f33c431c5f6171f80ff
SHA1 hash:
3883b2968e53ce586402aa0d0dc0126a5f4d3ccd
SH256 hash:
ff1b42ea7d56a37eae801adbddb7116f52a4664c0b41302736f522852edc2747
MD5 hash:
89ac57478044c57c7195943116a521e0
SHA1 hash:
1ff2bafeed795423e3538d810bda8e1e3fcdcfa5
SH256 hash:
6bc358e81d24d3d8f5a7431c817e4d53141b0f341e5f690b34e3e2c28316711f
MD5 hash:
866caf3d3d42b2950141d63e10c41e33
SHA1 hash:
12198bef2651b1bf88ff4bdce13cd605deb5e71f
SH256 hash:
d9fd82a99acf6e1a5f73951f25ad50787a9446fd31f8dc471440f2f230292f4e
MD5 hash:
ace9fca4813e9dcd69ddd41b47fc7980
SHA1 hash:
ce1d1213958e1238d6b512f38cb41ebceb801450
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: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.

Malspam

Formbook

Executable exe d9fd82a99acf6e1a5f73951f25ad50787a9446fd31f8dc471440f2f230292f4e

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments