MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9d62783a6a538811d772787524ec558dc071bd5a13d6f81848609adeb93da58. 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 1

SHA256 hash: c9d62783a6a538811d772787524ec558dc071bd5a13d6f81848609adeb93da58
SHA3-384 hash: dbd50441b60d39862475a7ee1fe56c47aba4fde3b77dbed64f25bb4ba039d19b5c053b240dc5d7bd9fe4da4a1e13a3e0
SHA1 hash: 93da312b2603cde4abd8cdf925705f61d1249887
MD5 hash: 8bb3dde7763e6f0a8af4866b6c73c9cc
humanhash: alabama-football-island-helium
File name:8bb3dde7763e6f0a8af4866b6c73c9cc
Download: download sample
Signature Formbook
File size:783'360 bytes
First seen:2022-11-10 13:02:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:IyDGvveHM/1JsVDh7YPFuqxTXuyFfb+mgWwKW:Iy+vDJ8DhKvTXnj3ghK
TLSH T1B6F48C68A152C999F66F8372A1ECFFB012F271E3D1C9C75792685184C7D9FE60D8028E
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13097/50/3)
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)
File icon (PE):PE icon
dhash icon 0ce4d09ecefc799a (13 x Formbook, 9 x AgentTesla, 6 x SnakeKeylogger)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
kupnjaPopis_narudbi_P.O_R47734_.xls
Verdict:
Malicious activity
Analysis date:
2022-11-10 12:37:32 UTC
Tags:
macros opendir exploit cve-2017-11882 loader 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
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed rundll32.exe
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
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 743079 Sample: 4Bkt8RZBUZ.exe Startdate: 10/11/2022 Architecture: WINDOWS Score: 100 53 www.grechkogv.store 2->53 61 Snort IDS alert for network traffic 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Antivirus detection for URL or domain 2->65 67 8 other signatures 2->67 9 4Bkt8RZBUZ.exe 7 2->9         started        13 fFXefWAcddSs.exe 5 2->13         started        signatures3 process4 file5 45 C:\Users\user\AppData\...\fFXefWAcddSs.exe, PE32 9->45 dropped 47 C:\Users\...\fFXefWAcddSs.exe:Zone.Identifier, ASCII 9->47 dropped 49 C:\Users\user\AppData\Local\Temp\tmp1D8.tmp, XML 9->49 dropped 51 C:\Users\user\AppData\...\4Bkt8RZBUZ.exe.log, ASCII 9->51 dropped 77 Uses schtasks.exe or at.exe to add and modify task schedules 9->77 79 Adds a directory exclusion to Windows Defender 9->79 81 Injects a PE file into a foreign processes 9->81 15 4Bkt8RZBUZ.exe 9->15         started        18 powershell.exe 19 9->18         started        20 schtasks.exe 1 9->20         started        28 2 other processes 9->28 83 Multi AV Scanner detection for dropped file 13->83 85 Machine Learning detection for dropped file 13->85 22 fFXefWAcddSs.exe 13->22         started        24 schtasks.exe 1 13->24         started        26 fFXefWAcddSs.exe 13->26         started        signatures6 process7 signatures8 87 Modifies the context of a thread in another process (thread injection) 15->87 89 Maps a DLL or memory area into another process 15->89 91 Sample uses process hollowing technique 15->91 93 Queues an APC in another process (thread injection) 15->93 30 explorer.exe 15->30 injected 34 conhost.exe 18->34         started        36 conhost.exe 20->36         started        38 conhost.exe 24->38         started        process9 dnsIp10 55 www.alshahira.app 99.198.107.166, 49698, 49699, 80 SINGLEHOP-LLCUS United States 30->55 57 www17.skok.cz 81.0.233.235, 49696, 49697, 80 CASABLANCA-ASInternetCollocationProviderCZ Czech Republic 30->57 59 2 other IPs or domains 30->59 95 System process connects to network (likely due to code injection or exploit) 30->95 40 chkdsk.exe 13 30->40         started        43 svchost.exe 30->43         started        signatures11 process12 signatures13 69 Tries to steal Mail credentials (via file / registry access) 40->69 71 Tries to harvest and steal browser information (history, passwords, etc) 40->71 73 Modifies the context of a thread in another process (thread injection) 40->73 75 Maps a DLL or memory area into another process 40->75
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-11-10 11:01:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
62
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:e8ob rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
50d970b92b19c5dde68483487955597baf0889c3206809591829d9872e3ae887
MD5 hash:
71a121f105831cfb6c95ece654b643a1
SHA1 hash:
520ef980940f7c058b5f7acc1a691dd685061a04
Detections:
XLoader win_formbook_auto win_formbook_g0
SH256 hash:
9d1b7da6a5c12672c2e76e694c47c5682a1e7f66c55acc3a0793fbdde6fdcc16
MD5 hash:
490a2eb176d609b32ac2f0cb5a6b2c10
SHA1 hash:
d3ebba4e48224ef796c17e1bfadc36c3abc86a44
SH256 hash:
fcd95269398259ae5b0c8d93a677757d870bb25e7a89788027694f0a6f563744
MD5 hash:
21d1854d66da56d9d01302dce8eae86a
SHA1 hash:
a0f975e3a67a691dbd10359aec8888605de0aaed
SH256 hash:
7f272c4db499b1501a5ea1711d23de0e6a0c07faf16275e9b01722dae889c7c9
MD5 hash:
dd8b9511dda8eb7c84e1621046828883
SHA1 hash:
7f715270ffcadcba5c3148d2a0cecfaaf6c2e805
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
SH256 hash:
46e5da5798b47e9fae65ffeeaf4d1743cf2fe440454113cdd175b5df1ed07e6d
MD5 hash:
56ebca46a7f3a3b831ec5aca9b2dedb7
SHA1 hash:
1737658a44b148a96022174633c7be4cf4e9647e
SH256 hash:
c9d62783a6a538811d772787524ec558dc071bd5a13d6f81848609adeb93da58
MD5 hash:
8bb3dde7763e6f0a8af4866b6c73c9cc
SHA1 hash:
93da312b2603cde4abd8cdf925705f61d1249887
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.

Web download

Formbook

Executable exe c9d62783a6a538811d772787524ec558dc071bd5a13d6f81848609adeb93da58

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-11-10 13:02:34 UTC

url : hxxp://103.125.189.50/msncloud/vbc.exe