MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 868a520694e9477aeb67c350fb599752c94d5b541dcf14a334422b7b020e5d92. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments

SHA256 hash: 868a520694e9477aeb67c350fb599752c94d5b541dcf14a334422b7b020e5d92
SHA3-384 hash: 431ec28c37228aa6901bde861e759f32f17a8ca53fbc2a11aba38f059733d691f58db18a8fd2ca00a90260180475d19e
SHA1 hash: 909b1214d652f749d9bac08659ca51ae84bdb5e6
MD5 hash: 0cc96cc7ca98f253a1daeabf90a7692d
humanhash: blue-leopard-video-uncle
File name:Purchase Order PO.exe
Download: download sample
Signature Formbook
File size:927'744 bytes
First seen:2024-11-27 14:31:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:pfTVb6Hf2ilkiU5rp3WT3jteALsYMpHqoiBQpHMfJhsLlZq134Bighe6/:pfTsrmiortejAALVMp5iBQpbg1y
TLSH T1DA15D53E19B9622BB1B5C766EBE48527F0709AEFF151AD24D4EB435A4302A0374C327D
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
412
Origin country :
US US
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Purchase Order PO.exe
Verdict:
Malicious activity
Analysis date:
2024-11-27 14:33:22 UTC
Tags:
netreactor formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
virus gates msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed
Result
Threat name:
FormBook, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large strings
AI detected suspicious sample
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
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)
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1563856 Sample: Purchase Order PO.exe Startdate: 27/11/2024 Architecture: WINDOWS Score: 100 31 www.cyperla.xyz 2->31 33 cyperla.xyz 2->33 35 6 other IPs or domains 2->35 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected PureLog Stealer 2->47 49 Yara detected FormBook 2->49 53 7 other signatures 2->53 10 Purchase Order PO.exe 3 2->10         started        signatures3 51 Performs DNS queries to domains with low reputation 31->51 process4 file5 29 C:\Users\user\...\Purchase Order PO.exe.log, ASCII 10->29 dropped 65 Injects a PE file into a foreign processes 10->65 14 Purchase Order PO.exe 10->14         started        signatures6 process7 signatures8 67 Maps a DLL or memory area into another process 14->67 17 GDDZlGeaCapsK.exe 14->17 injected process9 signatures10 43 Found direct / indirect Syscall (likely to bypass EDR) 17->43 20 isoburn.exe 13 17->20         started        process11 signatures12 55 Tries to steal Mail credentials (via file / registry access) 20->55 57 Tries to harvest and steal browser information (history, passwords, etc) 20->57 59 Modifies the context of a thread in another process (thread injection) 20->59 61 3 other signatures 20->61 23 GDDZlGeaCapsK.exe 20->23 injected 27 firefox.exe 20->27         started        process13 dnsIp14 37 cyperla.xyz 31.186.11.114, 49786, 80 BETAINTERNATIONALTR Turkey 23->37 39 www.madhf.tech 103.224.182.242, 49861, 49869, 49876 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 23->39 41 3 other IPs or domains 23->41 63 Found direct / indirect Syscall (likely to bypass EDR) 23->63 signatures15
Threat name:
ByteCode-MSIL.Trojan.PureLogStealer
Status:
Malicious
First seen:
2024-11-27 09:56:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook unknown_loader_037
Similar samples:
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
3baf486478b3c5b3234829921419faac9ffbb02bb95a7e460b482167c8c513d4
MD5 hash:
37b524d6567d822d9fb84339b8c6563d
SHA1 hash:
cb1f6527ee8479dc46f55adea7234e8ec9c5c6ae
SH256 hash:
ddc9cec342f344f8f5104e179c8e0610e4a0998d3ca62ae76284cae9345dd7ca
MD5 hash:
36f8224f4e4089192851da02a5b8a9c9
SHA1 hash:
8875a4ea94de1a7989002d2695e0c484d1159389
SH256 hash:
501b305bdb82c59d5e37e48daba4547b96ca21def1004e5a2c586c02dae1bcac
MD5 hash:
16c09ed95945a7c4f13f64816554abf2
SHA1 hash:
0c7a4b35e0b0e8b0598a12d026b361d203f768fc
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
868a520694e9477aeb67c350fb599752c94d5b541dcf14a334422b7b020e5d92
MD5 hash:
0cc96cc7ca98f253a1daeabf90a7692d
SHA1 hash:
909b1214d652f749d9bac08659ca51ae84bdb5e6
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Author:malware-lu
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 868a520694e9477aeb67c350fb599752c94d5b541dcf14a334422b7b020e5d92

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments