MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 e8567bda61ee022f03a15d1906be589cebbfff8494d3c9d2d6fd881110e58a68. 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: 14
| SHA256 hash: | e8567bda61ee022f03a15d1906be589cebbfff8494d3c9d2d6fd881110e58a68 |
|---|---|
| SHA3-384 hash: | c377c30adf58491911829eb9170031d0d4c722f09b5a9df2a16aa091082d6420f7fad6015fb792b49be20df30bed5255 |
| SHA1 hash: | 54eabf118ad7f6a6c14da64ac7b6772bd7e50fba |
| MD5 hash: | 473ceb3616d06785a2ef67ad0332dc6c |
| humanhash: | rugby-nevada-kitten-orange |
| File name: | PO#910663595.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 691'712 bytes |
| First seen: | 2025-02-10 02:07:54 UTC |
| Last seen: | 2025-02-17 11:40:31 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | fc6683d30d9f25244a50fd5357825e79 (92 x Formbook, 52 x AgentTesla, 23 x SnakeKeylogger) |
| ssdeep | 12288:/YV6MorX7qzuC3QHO9FQVHPF51jgcVDP/11IGG2fEmgA6WQJX+9VsE1+9lIbRIE:MBXu9HGaVHl1mNmgA6WQoME1YObRIE |
| Threatray | 2 similar samples on MalwareBazaar |
| TLSH | T184E423D09FD08966C0252375C43BEC602862AC36CAD4376883DEF62BF872797E51B54B |
| TrID | 31.3% (.EXE) UPX compressed Win32 Executable (27066/9/6) 30.7% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4) 12.1% (.EXE) Win64 Executable (generic) (10522/11/4) 7.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 5.8% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| Magika | pebin |
| File icon (PE): |  |
| dhash icon | aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla) |
| Reporter |  koluke |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
3
# of downloads :
604
Origin country :
JPVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO#910663595.exe
Verdict:
Malicious activity
Analysis date:
2025-02-10 02:09:27 UTC
Tags:
upx autoit
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Verdict:
Malicious
Score:
96.5%
Tags:
autoit virus spawn
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
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.
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
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
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)
Suricata IDS alerts for network traffic
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)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Strab
Status:
Malicious
First seen:
2025-02-09 23:34:53 UTC
AV detection:
20 of 24 (83.33%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
unknown_loader_036
Result
Malware family:
n/a
Score:
8/10
Tags:
discovery upx
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
AutoIT Executable
Suspicious use of SetThreadContext
UPX packed file
Downloads MZ/PE file
Verdict:
Malicious
Tags:
trojan
YARA:
SUSP_Imphash_Mar23_3
Unpacked files
SH256 hash:
e8567bda61ee022f03a15d1906be589cebbfff8494d3c9d2d6fd881110e58a68
MD5 hash:
473ceb3616d06785a2ef67ad0332dc6c
SHA1 hash:
54eabf118ad7f6a6c14da64ac7b6772bd7e50fba
SH256 hash:
bce769072406d26ad4b66130ac4874833cf4fa9f575a393906e9260e2f70d7cd
MD5 hash:
f88507c38759d6af2ab6c194e3ad2e28
SHA1 hash:
4ac18976e3adb51988bd5cbcb60d2037791bacee
Detections:
AutoIT_Compiled
SH256 hash:
31631a04ba1e03b886aa3ca740ea504c05b70d6d3fda3b7160a008f30f71ff08
MD5 hash:
5feaaebebd131eeada9f043eb027a683
SHA1 hash:
d8c264528c45938df9ab7804083349fdc94ace8b
SH256 hash:
3f50fc2157608d4e6e199c110febe5fe9ab2d88c05d1e10642d852e98451dec2
MD5 hash:
70ea9d0afac1bae94dc82505cbab6b5e
SHA1 hash:
3222cd8f442f8b0597de395e890454159bea6134
Detections:
win_formbook_g0
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
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: | Formbook |
|---|---|
| Author: | kevoreilly |
| Description: | Formbook Payload |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| Rule name: | SUSP_Imphash_Mar23_3 |
|---|---|
| Author: | Arnim Rupp (https://github.com/ruppde) |
| Description: | Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits |
| Reference: | Internal Research |
| Rule name: | Sus_Obf_Enc_Spoof_Hide_PE |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP) |
| Rule name: | UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser |
|---|---|
| Author: | malware-lu |
| Rule name: | upx_largefile |
|---|---|
| Author: | k3nr9 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| AUTH_API | Manipulates User Authorization | ADVAPI32.dll::GetAce |
| MULTIMEDIA_API | Can Play Multimedia | WINMM.dll::timeGetTime |
| WIN_BASE_API | Uses Win Base API | KERNEL32.DLL::LoadLibraryA |
| WIN_NETWORK_API | Supports Windows Networking | MPR.dll::WNetUseConnectionW |
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