MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 79cd2390cf00585b34c33f6c024ac29d8fe62b89a8a0b960233bbb20c6b3ccad. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: 79cd2390cf00585b34c33f6c024ac29d8fe62b89a8a0b960233bbb20c6b3ccad
SHA3-384 hash: 70d620a5317efaac861fc4528216802ef6833e7677af4dd1f6f2c25a7a2617838d9899baa28584889208b41a8f51e07c
SHA1 hash: 6f3dfcfed420f5520c84ed4a7ffc991869eb20e3
MD5 hash: d9879be0d847226ebd4130078e636d85
humanhash: snake-princess-bravo-nebraska
File name:Purchase Orders.exe
Download: download sample
Signature Formbook
File size:579'584 bytes
First seen:2022-06-17 09:18:05 UTC
Last seen:2022-06-17 12:05:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:ppzjdrjATmDq3C19mRn2PPvIkmfIfrHyZnaLKa2+XG+r:RrcTR3zu0Ir+naLKa2+z
TLSH T1E0C4F1503274DB92E6B977F2D0AE80F027B17E26EA41D56F6CC03EC87972BD21609917
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 GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching the process to change network settings
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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
Antivirus detection for URL or domain
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 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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-17 09:19:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:utg6 loader persistence rat spyware stealer suricata trojan
Behaviour
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Formbook
Unpacked files
SH256 hash:
ad4274b20b0faf0ecffc508571f691383b2f556b8b7d850e5e97fca2fe8fdd39
MD5 hash:
cce19c5ce96a995f33711129b81c1ee6
SHA1 hash:
2eb5eab329a79eac56470c1b7d87ac6be7dd2982
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
84238dc32dc2c72716d7233f509b43a45617e2a24ca07eecda58ae37a704b90b
MD5 hash:
1d6115ad56b1707c8afa1a65f22afc96
SHA1 hash:
58cbf25298e84cf9d91da78ae370ac5ddbb2c3fd
SH256 hash:
732c66da5617e1a91e7cf4e603a2d197bcea7586aebbf9d4fcec5c476c663d01
MD5 hash:
22681679b0c68edd5379fd84fde5fb53
SHA1 hash:
1a8e5324137b394fd59ce4d261e2a3356a0649d1
SH256 hash:
5f14ca16da9559d14504cf32646de89c7323ee3c73084b0322de51acd64af92f
MD5 hash:
1b7415b482f4c8fd91b0d37c30564544
SHA1 hash:
0fe5a68de3255ab936afe85e7805b8ca15be7fc8
SH256 hash:
79cd2390cf00585b34c33f6c024ac29d8fe62b89a8a0b960233bbb20c6b3ccad
MD5 hash:
d9879be0d847226ebd4130078e636d85
SHA1 hash:
6f3dfcfed420f5520c84ed4a7ffc991869eb20e3
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:exploit_any_poppopret
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:meth_get_eip
Author:Willi Ballenthin
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 79cd2390cf00585b34c33f6c024ac29d8fe62b89a8a0b960233bbb20c6b3ccad

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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