MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7d51363f1fc990710be0a463a7123a5c5cbe532e81164b1c43d4a159a89dadeb. 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: 7d51363f1fc990710be0a463a7123a5c5cbe532e81164b1c43d4a159a89dadeb
SHA3-384 hash: 3b900760e2cfa2219e62afb1c07e2652a8c29fd72eefeb9376c834b72578dd863e4bec16b3379941742cb82cddcf6ba8
SHA1 hash: e44bae4b5c71c79a11c22fe97d45bb027822b4cd
MD5 hash: 0294badebae62dd7e03d329fb35b2395
humanhash: batman-zulu-hotel-burger
File name:4500295678.exe
Download: download sample
Signature Formbook
File size:781'824 bytes
First seen:2022-11-16 13:22:16 UTC
Last seen:2022-11-16 22:41:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:gTkSi8uZXy8E6AvHiCx62iNOIFDWfAK1LkD+4oGN/XgYOHK6+kLcz3hi3pm+P0/Q:x18uNy8UaC619FDWIXy4oGA3+eY3hkmi
TLSH T122F4012DF627DEA5D528023555F2583127B2C602A0BBDB1E7EC922650E233435ADFDCB
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
133
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
4500295678.exe
Verdict:
Malicious activity
Analysis date:
2022-11-16 13:22:55 UTC
Tags:
formbook trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
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 method to dynamically call methods (often used by packers)
C2 URLs / IPs found in malware configuration
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-11-15 02:14:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:zzun loader persistence rat spyware stealer trojan
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Deletes itself
Reads user/profile data of web browsers
Xloader payload
Formbook
Xloader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
ee9ec9235d458bb33e41db184aa746585f7527f05d4aaa83717128e88c7670bf
MD5 hash:
a4668905f7f49315c266e588c0d01b14
SHA1 hash:
f5495dd27a3fd03c33e7ac38f26d944d14217804
Detections:
win_formbook_auto win_formbook_g0
SH256 hash:
d213ea1f0a4d7269a763345624a648a11ff76418c0ca59ef214bb0123451dbb7
MD5 hash:
5b31a7b7c059e3a4844a1ff778127309
SHA1 hash:
af7d22127c6a96fd0326f514fb733e15e5a31163
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
SH256 hash:
7d51363f1fc990710be0a463a7123a5c5cbe532e81164b1c43d4a159a89dadeb
MD5 hash:
0294badebae62dd7e03d329fb35b2395
SHA1 hash:
e44bae4b5c71c79a11c22fe97d45bb027822b4cd
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 7d51363f1fc990710be0a463a7123a5c5cbe532e81164b1c43d4a159a89dadeb

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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