MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 97585c25f8fdc685e1ea9988e95aeacbaa2b1c3809a8394e56bce07a9523060e. 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: 17


Intelligence 17 IOCs YARA 9 File information Comments

SHA256 hash: 97585c25f8fdc685e1ea9988e95aeacbaa2b1c3809a8394e56bce07a9523060e
SHA3-384 hash: b58c46322faa39ee7688feefba49cd221b6b7550b06013f5900e2aa9240826e76fa2927fcac0527ac583d80ac0db59f5
SHA1 hash: 57f631886b5615e0ad8e01690f6d89a14c5f9c9d
MD5 hash: c824e5a641469e3c559a766658377e0a
humanhash: virginia-mexico-kitten-solar
File name:PO M248641.exe
Download: download sample
Signature Formbook
File size:813'568 bytes
First seen:2025-04-17 01:04:32 UTC
Last seen:2025-05-09 12:39:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:H0tfKhrogxE/rSsV/nhpioQHL20O5gj1:qihom7sV/nfic0O
TLSH T1440502483655EC0FC48B8E724914D97476706DAA5B07E343ADCB2EEFB86E7894E012D2
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter threatcat_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
602
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PO M248641.exe
Verdict:
Malicious activity
Analysis date:
2025-04-17 01:21:23 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:
91.7%
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected vbnet
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious 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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1666919 Sample: PO M248641.exe Startdate: 17/04/2025 Architecture: WINDOWS Score: 100 33 www.xxxvideosbox.xyz 2->33 35 www.vrpin.xyz 2->35 37 13 other IPs or domains 2->37 45 Antivirus detection for URL or domain 2->45 47 Antivirus / Scanner detection for submitted sample 2->47 49 Multi AV Scanner detection for submitted file 2->49 53 6 other signatures 2->53 10 PO M248641.exe 3 2->10         started        signatures3 51 Performs DNS queries to domains with low reputation 35->51 process4 file5 31 C:\Users\user\AppData\...\PO M248641.exe.log, ASCII 10->31 dropped 67 Injects a PE file into a foreign processes 10->67 14 PO M248641.exe 10->14         started        17 PO M248641.exe 10->17         started        signatures6 process7 signatures8 69 Maps a DLL or memory area into another process 14->69 19 u6KzItAQbMOPC0fPOy.exe 14->19 injected process9 signatures10 55 Found direct / indirect Syscall (likely to bypass EDR) 19->55 22 Utilman.exe 13 19->22         started        process11 signatures12 57 Tries to steal Mail credentials (via file / registry access) 22->57 59 Tries to harvest and steal browser information (history, passwords, etc) 22->59 61 Modifies the context of a thread in another process (thread injection) 22->61 63 3 other signatures 22->63 25 u6KzItAQbMOPC0fPOy.exe 22->25 injected 29 firefox.exe 22->29         started        process13 dnsIp14 39 www.ax777.top 160.124.31.74, 49740, 49741, 49742 POWERLINE-AS-APPOWERLINEDATACENTERHK South Africa 25->39 41 www.xxxvideosbox.xyz 91.216.220.20, 49722, 80 OLIMPKZ-NETKZ Kazakhstan 25->41 43 7 other IPs or domains 25->43 65 Found direct / indirect Syscall (likely to bypass EDR) 25->65 signatures15
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2025-04-17 00:58:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
unc_loader_037 formbook
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:
97585c25f8fdc685e1ea9988e95aeacbaa2b1c3809a8394e56bce07a9523060e
MD5 hash:
c824e5a641469e3c559a766658377e0a
SHA1 hash:
57f631886b5615e0ad8e01690f6d89a14c5f9c9d
SH256 hash:
39b9def9cad7ef410623383df2754e13a9f30f1bfff24224435f4f586234db2b
MD5 hash:
cb3b9913a3bcd19daf5262a94185088c
SHA1 hash:
09f6047b90499fbf1be601df25ccd9392e9a1302
SH256 hash:
05f9ce752a29c05fc70056515513815fb518bd01246a735c7cc1bc0f40c9b089
MD5 hash:
960cd878150977a125941f6caa794ca0
SHA1 hash:
85508296a194593bea688321e9c203a7a561088e
SH256 hash:
669e1f161d51b1e99e7d2d1e86722ba9ede1a03461aee73803aa61edf6e2dbdd
MD5 hash:
7297da599c5c6c9a18c7903ec2ef2d6b
SHA1 hash:
9cb18c60475c7d7a5896915a28cd69d8617f0111
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
4ddcb8901f95c52a2f8806da5c82f89e2d3ee184a2741c6e5fa09084287bf8cb
MD5 hash:
cffd7ae4e826d08c197cad5a369bdc0f
SHA1 hash:
a7808a1fe4db25a786ea9305c3bdfa9c5f4e30eb
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Malspam

Formbook

Executable exe 97585c25f8fdc685e1ea9988e95aeacbaa2b1c3809a8394e56bce07a9523060e

(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