MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7636a9a372ecbe65e84e5c16e626ab03929a0089d253d4dd391b915774dd67ef. 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: 7636a9a372ecbe65e84e5c16e626ab03929a0089d253d4dd391b915774dd67ef
SHA3-384 hash: dea2b27b4da166b6d496eec61ef21085b3a341251ebf7daddcd7c44a227ba783a6982d462a9f117a5a4f84db64bba324
SHA1 hash: 333988cbce4fcd5e778e6f3428cb67596c98af20
MD5 hash: 2719704cf61c3745abfb27eb71da148e
humanhash: avocado-mars-arkansas-sierra
File name:IVS Technology - Purchase Order.exe
Download: download sample
Signature Formbook
File size:804'864 bytes
First seen:2025-04-14 01:56:26 UTC
Last seen:2025-04-15 07:12:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:VtWcilaay84PI3JT7HmQLR3TmJLthmQT0NiB5CLKxXEI3N6sgN4HAYFcgZKF:VklaVwZT7r1mmQ0iB5zxfd6sgYAMDe
TLSH T1E805014422999816C5F62BB41A32C2BC05B3ED98F631D3475FDEBC8F3B2774A5A05392
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
dhash icon 88c0e8ba62f49a97 (11 x Formbook, 3 x AgentTesla, 2 x SnakeKeylogger)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
569
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
IVS Technology - Purchase Order.exe
Verdict:
No threats detected
Analysis date:
2025-04-14 01:59:41 UTC
Tags:
netreactor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.1%
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade obfuscated packed packed packer_detected
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
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: 1664309 Sample: IVS Technology - Purchase O... Startdate: 14/04/2025 Architecture: WINDOWS Score: 100 32 www.031234912.xyz 2->32 34 www.xxxvideosbox.xyz 2->34 36 14 other IPs or domains 2->36 46 Antivirus detection for URL or domain 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected FormBook 2->50 54 4 other signatures 2->54 10 IVS Technology - Purchase Order.exe 3 2->10         started        signatures3 52 Performs DNS queries to domains with low reputation 34->52 process4 file5 30 IVS Technology - Purchase Order.exe.log, ASCII 10->30 dropped 13 IVS Technology - Purchase Order.exe 10->13         started        16 IVS Technology - Purchase Order.exe 10->16         started        process6 signatures7 66 Maps a DLL or memory area into another process 13->66 18 A1rBD54wyDrriC6oEt.exe 13->18 injected process8 signatures9 44 Found direct / indirect Syscall (likely to bypass EDR) 18->44 21 Utilman.exe 13 18->21         started        process10 signatures11 56 Tries to steal Mail credentials (via file / registry access) 21->56 58 Tries to harvest and steal browser information (history, passwords, etc) 21->58 60 Modifies the context of a thread in another process (thread injection) 21->60 62 3 other signatures 21->62 24 A1rBD54wyDrriC6oEt.exe 21->24 injected 28 firefox.exe 21->28         started        process12 dnsIp13 38 031234912.xyz 144.76.229.203, 49728, 49729, 49730 HETZNER-ASDE Germany 24->38 40 www.ax777.top 160.124.31.74, 49740, 49741, 49742 POWERLINE-AS-APPOWERLINEDATACENTERHK South Africa 24->40 42 7 other IPs or domains 24->42 64 Found direct / indirect Syscall (likely to bypass EDR) 24->64 signatures14
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2025-04-14 01:29:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
captiveaaloader unc_loader_037 formbook
Similar samples:
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
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:
7636a9a372ecbe65e84e5c16e626ab03929a0089d253d4dd391b915774dd67ef
MD5 hash:
2719704cf61c3745abfb27eb71da148e
SHA1 hash:
333988cbce4fcd5e778e6f3428cb67596c98af20
SH256 hash:
05f9ce752a29c05fc70056515513815fb518bd01246a735c7cc1bc0f40c9b089
MD5 hash:
960cd878150977a125941f6caa794ca0
SHA1 hash:
85508296a194593bea688321e9c203a7a561088e
SH256 hash:
a62fef18d49eaf268112ab86327ce2ec9c89d715ecd3ca4f7ec78e192167aa42
MD5 hash:
f6d7b4facb71fd500b7a5bccdb7951b1
SHA1 hash:
d2400e4ef6ea398e34d59e9a48936d191c598374
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
4b18690924cf2a5874995e9401def8dd37c62d8a06460a8ff1ea1e72a0f1e748
MD5 hash:
70b7bd1cfd615efcd124c193ad84bdb6
SHA1 hash:
753639513b969155c693087a74b2e9379c33df7e
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
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 7636a9a372ecbe65e84e5c16e626ab03929a0089d253d4dd391b915774dd67ef

(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