MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 686802626b55d584dba9bb97f1a9c6b61cdb1f56ab9362cb57b333109ed3a486. 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 2 File information Comments

SHA256 hash: 686802626b55d584dba9bb97f1a9c6b61cdb1f56ab9362cb57b333109ed3a486
SHA3-384 hash: d91857631428c5c36dec2d4a720e395c37ca9f5c3121be4a678962fab5eb5fce4eead262c5c878aa1ea88c4eb383ce9f
SHA1 hash: a0ebaff7957bf8799a03cca6ac70e8231d75eeec
MD5 hash: 41ab5bbead147ca7db73d398076e3fd9
humanhash: avocado-lamp-carbon-oscar
File name:REVISED PURCHASE ORDER.exe
Download: download sample
Signature Formbook
File size:934'912 bytes
First seen:2023-02-08 11:40:46 UTC
Last seen:2023-02-10 12:34:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:l1BFwfrxN5IC54TWM/G9PXswdhfi+KOE9udmifzoaAneetX:lSjtgi55cw6+zOQmifze
TLSH T11815CF9C7650B6EFC857C932DAA82C64AB61747B930BD207A01712ED9E0E997DF104F3
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter cocaman
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
REVISED PURCHASE ORDER.exe
Verdict:
Malicious activity
Analysis date:
2023-02-08 11:46:17 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
Сreating synchronization primitives
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
67%
Tags:
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
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 801508 Sample: REVISED PURCHASE ORDER.exe Startdate: 08/02/2023 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 9 other signatures 2->42 10 REVISED PURCHASE ORDER.exe 3 2->10         started        process3 file4 28 C:\Users\...\REVISED PURCHASE ORDER.exe.log, ASCII 10->28 dropped 50 Injects a PE file into a foreign processes 10->50 14 REVISED PURCHASE ORDER.exe 10->14         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 Queues an APC in another process (thread injection) 14->58 17 explorer.exe 3 6 14->17 injected process8 dnsIp9 30 burrismktg.com 185.243.4.130, 49718, 80 SNSSantiagoNetworkServiceLLCHK Poland 17->30 32 www.motherpearl.africa 17->32 34 3 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 msiexec.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.Tnega
Status:
Malicious
First seen:
2023-02-07 10:13:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:gg62 rat spyware stealer trojan
Behaviour
Gathers network information
Modifies registry class
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
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
6384dabeffdc0afc3d7f1e18d0033e7482790c0aa2f1f2af7cc39eb81795d0ef
MD5 hash:
f759d70f3bbee3865d9ba45b70c59bea
SHA1 hash:
f07ca29866cf8b0d92f18904860c40a284a5f550
SH256 hash:
8617cea503c2a3961120a9c503d853bc21d38d1fca7143d6b1ef4f388bc5cec7
MD5 hash:
7f225c69df031bf0560aed3847a1221a
SHA1 hash:
4d5f3ccdb2c6015d2b2a73326c0f32b173af2819
SH256 hash:
41f0b100220390133b63e742983143509949a1c1e20295c008339994ca91426c
MD5 hash:
aae1982411990bf22528ea449b77b5b8
SHA1 hash:
186eeb77988cbac504c945588516c514615219b2
SH256 hash:
7ad31f6f4a6b0470badcd721983e79b3db66511e88298ab40f1f46fb45ffa0ae
MD5 hash:
36ef721f4f53d0ebfa74d25b34bee43a
SHA1 hash:
163cb78d441710b55731a51da990ff1d8bae7871
SH256 hash:
686802626b55d584dba9bb97f1a9c6b61cdb1f56ab9362cb57b333109ed3a486
MD5 hash:
41ab5bbead147ca7db73d398076e3fd9
SHA1 hash:
a0ebaff7957bf8799a03cca6ac70e8231d75eeec
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 686802626b55d584dba9bb97f1a9c6b61cdb1f56ab9362cb57b333109ed3a486

(this sample)

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