MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a38130878bd9f54c581173d7e7ed0429ac81d961037788532d4b3d026538a66d. 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: a38130878bd9f54c581173d7e7ed0429ac81d961037788532d4b3d026538a66d
SHA3-384 hash: 797ce50118d612743f3865357f32b7ae38a633ae7d7d6b125ee0903d29e288a3dfaa87cc79c67645d1343e8fdb3603d0
SHA1 hash: 643731936f6d7d9f14705e4dd107eaf03276f861
MD5 hash: cc4596fe4dc91ad0c3463e38c20dc106
humanhash: low-skylark-edward-south
File name:ORDER_pdf.exe
Download: download sample
Signature Formbook
File size:256'612 bytes
First seen:2023-03-06 12:02:26 UTC
Last seen:2023-03-06 13:45:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6gfHyEqy3q/agtqCC3G2mQpjAprxECD:/Y2fHNuyOqzG2mXPEQ
Threatray 2'607 similar samples on MalwareBazaar
TLSH T1BA4412443AA0E0AFF87307355E7283524F7AB9A16851872F23659B5DFE22141DA0F7F1
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
232
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
ORDER_pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-03-06 12:02:54 UTC
Tags:
stealer formbook trojan

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

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
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.rans.spyw
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found potential ransomware demand text
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 12064 Sample: ORDER_pdf.exe Startdate: 06/03/2023 Architecture: WINDOWS Score: 100 31 www.yongleproducts.com 2->31 33 www.snadowpay.ru 2->33 35 18 other IPs or domains 2->35 51 Snort IDS alert for network traffic 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for URL or domain 2->55 57 6 other signatures 2->57 11 ORDER_pdf.exe 19 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\hzfypudvld.exe, PE32 11->29 dropped 14 hzfypudvld.exe 11->14         started        process6 signatures7 69 Antivirus detection for dropped file 14->69 71 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->71 73 Maps a DLL or memory area into another process 14->73 17 hzfypudvld.exe 14->17         started        process8 signatures9 43 Modifies the context of a thread in another process (thread injection) 17->43 45 Maps a DLL or memory area into another process 17->45 47 Sample uses process hollowing technique 17->47 49 Queues an APC in another process (thread injection) 17->49 20 explorer.exe 4 1 17->20 injected process10 dnsIp11 37 www.isabellagambitta.com 185.27.134.217, 49826, 49906, 80 WILDCARD-ASWildcardUKLimitedGB United Kingdom 20->37 39 9ajhw.monster 188.72.236.136, 49886, 49887, 49888 WEBZILLANL Netherlands 20->39 41 14 other IPs or domains 20->41 59 System process connects to network (likely due to code injection or exploit) 20->59 24 control.exe 13 20->24         started        signatures12 process13 signatures14 61 Tries to steal Mail credentials (via file / registry access) 24->61 63 Tries to harvest and steal browser information (history, passwords, etc) 24->63 65 Writes to foreign memory regions 24->65 67 3 other signatures 24->67 27 firefox.exe 24->27         started        process15
Threat name:
Win32.Trojan.Woreflint
Status:
Malicious
First seen:
2023-03-06 12:11:55 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
12 of 39 (30.77%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Gathers network information
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
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
46c923cf1444dc31d0667c8ce2225abe73e3a3482e5f82ae4178a90b67d1e4cf
MD5 hash:
1518fa48754521a0e552e2cce412cc09
SHA1 hash:
d3da3c607f13dc79d3edb5cfc2e32a11e5fdb625
Detections:
win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
21f920b5b7af3d3536f935bbc533502796e484d0f7760d8ec007e6e7b4ec319a
MD5 hash:
ed8e9bd83bf5d1d8355a3b7490590d83
SHA1 hash:
529dfca8390649ce939521cb1bba2ac3da723308
SH256 hash:
43bf66381470742c4910a7809b123ead3641417bcae348092a8984d85a2609cf
MD5 hash:
f11247deb9ba3e0d8a5d445fdf16352b
SHA1 hash:
5ac12282782142c8057f645c48ad5f1ac978b90f
SH256 hash:
a38130878bd9f54c581173d7e7ed0429ac81d961037788532d4b3d026538a66d
MD5 hash:
cc4596fe4dc91ad0c3463e38c20dc106
SHA1 hash:
643731936f6d7d9f14705e4dd107eaf03276f861
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:meth_get_eip
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe a38130878bd9f54c581173d7e7ed0429ac81d961037788532d4b3d026538a66d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments