MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a1593a118811d3d4cdc85354b0d3cf4fd6b03fd4cc601392eb3a5372b4ae96f. 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 2 File information Comments

SHA256 hash: 7a1593a118811d3d4cdc85354b0d3cf4fd6b03fd4cc601392eb3a5372b4ae96f
SHA3-384 hash: bdc087d78d226f7e40adad3390578f06ab2eceb8f4b310f3a0156ca6af671478a4122b765661547f39e5a6781176d336
SHA1 hash: 5112e6a0eda359a82b6e915625119883ac062830
MD5 hash: 9365b1b3d97858a3f79e5ee3b1ac705f
humanhash: two-pennsylvania-ten-uranus
File name:PO 885432022.exe
Download: download sample
Signature Formbook
File size:441'344 bytes
First seen:2022-05-23 11:56:41 UTC
Last seen:2022-05-23 12:58:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:h442WQzs5K48f7+yAw0n4NBtlqSvPf2vPTzuL5hMMa3CWAihha4LUU0g8D9+vYz:a0iiMAK3qSuv8IjlnalBz
TLSH T1C994E0143B2C3911CA9BDBBA5250C5006675914FBE73F22A5FA74D8FAD89B0092B2B71
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PO 885432022.exe
Verdict:
Malicious activity
Analysis date:
2022-05-24 02:30:18 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
Searching for synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found 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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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:
2022-05-18 16:05:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
29 of 41 (70.73%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:ssmm loader persistence rat spyware stealer suricata trojan
Behaviour
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
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Blocklisted process makes network request
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
10adfe399331a3e95d3250bab0a1a8f224751a545296205fb13db4a63b939cc7
MD5 hash:
38af78acb25a37f7ca2c0f64c891fffb
SHA1 hash:
0ee769c1e5e50cbe82831ad7d04de84269abe001
SH256 hash:
7a1593a118811d3d4cdc85354b0d3cf4fd6b03fd4cc601392eb3a5372b4ae96f
MD5 hash:
9365b1b3d97858a3f79e5ee3b1ac705f
SHA1 hash:
5112e6a0eda359a82b6e915625119883ac062830
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 7a1593a118811d3d4cdc85354b0d3cf4fd6b03fd4cc601392eb3a5372b4ae96f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments