MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c8cfb9a1902b2601d5819eb87f4dfe03c51bd99b6e6beecb95d7f749d7ea088. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: 1c8cfb9a1902b2601d5819eb87f4dfe03c51bd99b6e6beecb95d7f749d7ea088
SHA3-384 hash: 0506bd0f95bf34a029ad723fb3b82492509f96e7e7ee83d34d8321726786706d335680ac0c2a8cb9bba5137fa567a23c
SHA1 hash: 85d7cd109e8da7ab7f9fdf5de7a002b6869df95a
MD5 hash: 1356b082e38df3e3b5090feca04681c0
humanhash: east-xray-football-ceiling
File name:SecuriteInfo.com.Trojan.PackedNET.1584.9133.766
Download: download sample
Signature Formbook
File size:306'672 bytes
First seen:2022-09-23 15:46:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:S8GIhqHIKgzgP6i56FE4HzohXF0ApTjqUXB+rDCKQMPkQWfcBKn:dKntGhcHsHFcfp
Threatray 66 similar samples on MalwareBazaar
TLSH T14764019473E8580BCA7AAF3698CA44150631FC467E83C2A775D9F32C0DEB3D63845A97
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon d2e8ecb2b2a2b282 (106 x AgentTesla, 106 x Formbook, 24 x RedLineStealer)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
283
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
AWB#1995272521_pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-09-23 11:36:15 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
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Sending a custom TCP request
Reading critical registry keys
DNS request
Sending an HTTP GET request
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated overlay packed
Result
Verdict:
UNKNOWN
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 708542 Sample: SecuriteInfo.com.Trojan.Pac... Startdate: 23/09/2022 Architecture: WINDOWS Score: 100 23 www.bumping.online 2->23 31 Snort IDS alert for network traffic 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 4 other signatures 2->37 8 SecuriteInfo.com.Trojan.PackedNET.1584.9133.766.exe 1 2->8         started        signatures3 process4 file5 21 SecuriteInfo.com.T...84.9133.766.exe.log, ASCII 8->21 dropped 39 Writes to foreign memory regions 8->39 41 Allocates memory in foreign processes 8->41 43 Injects a PE file into a foreign processes 8->43 45 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 8->45 12 aspnet_compiler.exe 8->12         started        signatures6 process7 signatures8 47 Modifies the context of a thread in another process (thread injection) 12->47 49 Maps a DLL or memory area into another process 12->49 51 Sample uses process hollowing technique 12->51 53 Queues an APC in another process (thread injection) 12->53 15 cmmon32.exe 13 12->15         started        18 explorer.exe 12->18 injected process9 dnsIp10 55 Tries to steal Mail credentials (via file / registry access) 15->55 57 Tries to harvest and steal browser information (history, passwords, etc) 15->57 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 25 www.mionchun.com 154.218.174.74, 49712, 49713, 49714 VPSQUANUS Seychelles 18->25 27 www.morescort.com 91.195.240.13, 49718, 49719, 49720 SEDO-ASDE Germany 18->27 29 3 other IPs or domains 18->29 63 System process connects to network (likely due to code injection or exploit) 18->63 signatures11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-09-23 10:16:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:i3tw rat spyware stealer trojan
Behaviour
Gathers network information
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
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of web browsers
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
6f9cc1e2aad3c4b2fde068f0ae178ee04442f78a0e35ddbfe9288a98964784d6
MD5 hash:
9594aad4db796d63a294492b7a44c48b
SHA1 hash:
916dcc5155c9e9e3798d423376cdd2bc7a49df4d
SH256 hash:
46a86d98a3805136b8630c3b3931a1478d6e43adc34d0dfdbf355b73378d781f
MD5 hash:
5a959fa5134feed72b5c5eb564ca43b3
SHA1 hash:
88fd250b091085d75f0212799bb4f6af8a1c7fe1
SH256 hash:
2ad83e27ff190975c75e5199f2e4a991e94fd2a499870f8cde7c5839c1a73d85
MD5 hash:
f4a522e597e9b4d01d59c617e6eeb6f3
SHA1 hash:
84ba92edfb88cace6c189b42121e8461864cc269
SH256 hash:
1c8cfb9a1902b2601d5819eb87f4dfe03c51bd99b6e6beecb95d7f749d7ea088
MD5 hash:
1356b082e38df3e3b5090feca04681c0
SHA1 hash:
85d7cd109e8da7ab7f9fdf5de7a002b6869df95a
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:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
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.

Comments