MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e6a6e94af36a3ea70e21983ed3fc74131dbc63e26f0ea666346088815da0b14b. 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: 18


Intelligence 18 IOCs YARA 7 File information Comments

SHA256 hash: e6a6e94af36a3ea70e21983ed3fc74131dbc63e26f0ea666346088815da0b14b
SHA3-384 hash: 9d9a72bb9300e058538823aa77eb1639e49ab22181bc4e3f3744551d606fdf89ccdc3fa254053b5936b452ae9ed5d47a
SHA1 hash: 3b0e186d4da632c8edc6c42f64d9dd5528d2c341
MD5 hash: d59ed6f6924b4f23cf0d6353a5325cf2
humanhash: twenty-september-maine-harry
File name:yz6McGSGOdOXlGz.exe
Download: download sample
Signature Formbook
File size:855'552 bytes
First seen:2025-07-28 14:24:03 UTC
Last seen:2025-08-03 20:32:20 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:eBzNkVnDz24pqaVf1c3nFEJnGDnbZzm6qul+tGFYQyh2NIPwJujrUmc1T29oy0:m3IF8nFEJ89mR98ih2NI4I/Umc5x
Threatray 181 similar samples on MalwareBazaar
TLSH T10005CE7432AD9863DA7556F04450D57433AB6ECF282AE1DA4DD6BCCB7CE8BC01B84A43
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 00e425252425e400 (12 x SnakeKeylogger, 9 x Formbook, 2 x DCRat)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
47
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
yz6McGSGOdOXlGz.exe
Verdict:
No threats detected
Analysis date:
2025-07-28 14:26:54 UTC
Tags:
netreactor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap confuserex lolbin msbuild obfuscated packed packed reconnaissance regsvcs roboski schtasks stego vbc vbnet
Result
Threat name:
FormBook
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
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)
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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1745610 Sample: yz6McGSGOdOXlGz.exe Startdate: 28/07/2025 Architecture: WINDOWS Score: 100 34 www.gozukaramotosiklet.xyz 2->34 36 www.farcana-drop.xyz 2->36 38 23 other IPs or domains 2->38 46 Suricata IDS alerts for network traffic 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected FormBook 2->50 54 4 other signatures 2->54 11 yz6McGSGOdOXlGz.exe 3 2->11         started        signatures3 52 Performs DNS queries to domains with low reputation 36->52 process4 file5 32 C:\Users\user\...\yz6McGSGOdOXlGz.exe.log, ASCII 11->32 dropped 64 Injects a PE file into a foreign processes 11->64 15 yz6McGSGOdOXlGz.exe 11->15         started        signatures6 process7 signatures8 66 Maps a DLL or memory area into another process 15->66 18 fqwOJduxW.exe 15->18 injected process9 process10 20 sfc.exe 13 18->20         started        signatures11 56 Tries to steal Mail credentials (via file / registry access) 20->56 58 Tries to harvest and steal browser information (history, passwords, etc) 20->58 60 Modifies the context of a thread in another process (thread injection) 20->60 62 3 other signatures 20->62 23 tw4qCoYaEE8K.exe 20->23 injected 26 chrome.exe 20->26         started        28 firefox.exe 20->28         started        process12 dnsIp13 40 kaola-wagbridge.alibaba.com.gds.alibabadns.com 59.82.120.194, 49715, 49716, 49717 CNNIC-ALIBABA-CN-NET-APHangzhouAlibabaAdvertisingCoLtd China 23->40 42 www.uwd64.top 154.23.222.88, 49727, 49728, 49729 COGENT-174US United States 23->42 44 7 other IPs or domains 23->44 30 WerFault.exe 4 26->30         started        process14
Gathering data
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2025-07-28 14:24:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
e6a6e94af36a3ea70e21983ed3fc74131dbc63e26f0ea666346088815da0b14b
MD5 hash:
d59ed6f6924b4f23cf0d6353a5325cf2
SHA1 hash:
3b0e186d4da632c8edc6c42f64d9dd5528d2c341
SH256 hash:
c308d93a42a425cdd1885f2f38cd7e5e7852ec02ea41f586a668effc276df3ad
MD5 hash:
ee66e8a78b4002b62cc99441fea3744d
SHA1 hash:
08008e54c600e4ea857aaf10aa092c814042c37b
SH256 hash:
10c494c1f3b4989f783f9ed7ca47eeb286ad906e671ab80212022193af7fa188
MD5 hash:
65a0a721133cf651c440d38cbeec4ab7
SHA1 hash:
71b48f604afc35a573192531858de754b0770308
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
ae1fde70461732cb60cba56eb52f8d994a141885c6e0b42cd4f8aa12ffbd575d
MD5 hash:
fafe704da4a186372f43d985051cb179
SHA1 hash:
e03fef11d0d38d856bbc278c343c5a7276c96847
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24 INDICATOR_EXE_Packed_SmartAssembly
Parent samples :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 hash:
95d8a8753317c8172aac1e5f9be4be6a9ecd0cce46a1af2f28afd827db019fab
MD5 hash:
25f36c7c2eed60d8bf0f6d6e3e1a98a1
SHA1 hash:
320eba8e2b1066d02e5fdbc4ea20f2e19e91631b
SH256 hash:
d367baed399010802b2979fbe6af85378eb0563e2f1bead5d4280e5ae79f8a54
MD5 hash:
f46cc1a0a14a61af1473f707812e0fbd
SHA1 hash:
a5b1280d0274e30058e4e6915aaa1204da5e9c35
Detections:
win_formbook_g0
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: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 e6a6e94af36a3ea70e21983ed3fc74131dbc63e26f0ea666346088815da0b14b

(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 (GUARD_CF)high

Comments