MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31042c71bb220592ca365e326d6ab5e1ef42d3b71c5d2c8eb24201fa1f83f655. 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: 14


Intelligence 14 IOCs YARA File information Comments

SHA256 hash: 31042c71bb220592ca365e326d6ab5e1ef42d3b71c5d2c8eb24201fa1f83f655
SHA3-384 hash: c06d7ce31ff5806b533c98b3821008cc9371ac77b6f9d401104ec3a764c7b6d9fbd415b94f0131ee07387ef14c4c9867
SHA1 hash: 4de4ef23995f9409f4407bb5b9889ee360c30488
MD5 hash: ec4760bc8a941e07403b446b4fa6c042
humanhash: iowa-seventeen-colorado-don
File name:Scanned03.exe
Download: download sample
Signature Formbook
File size:282'087 bytes
First seen:2022-12-25 19:17:45 UTC
Last seen:2022-12-25 20:28:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 97318da386948415d08cef4a9006d669 (71 x Formbook, 35 x SnakeKeylogger, 26 x AgentTesla)
ssdeep 6144:rkwrGFx8piZU1q1+kPExVkPa+4/jSWo+MGfWDfQeDYjDWq4z:QFWc8W+kMxZ+dX7BofC
TLSH T127541217A4D189A7EB9F46740667EF7DE77A42880175418F2BAA1FEF1024CC6C3066D3
TrID 92.7% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
236
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Scanned03.exe
Verdict:
Malicious activity
Analysis date:
2022-12-25 19:18:25 UTC
Tags:
installer formbook xloader trojan stealer

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

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Launching the process to change network settings
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Launching a process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook overlay packed shell32.dll
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.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 dropped file
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)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 773649 Sample: Scanned03.exe Startdate: 25/12/2022 Architecture: WINDOWS Score: 100 28 www.3533callegavanzo.com 2->28 30 listing.gofullframe.com 2->30 32 cg.gofullframe.com 2->32 48 Snort IDS alert for network traffic 2->48 50 Multi AV Scanner detection for domain / URL 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 4 other signatures 2->54 10 Scanned03.exe 19 2->10         started        signatures3 process4 file5 26 C:\Users\user\AppData\Local\Temp\zyzxt.exe, PE32 10->26 dropped 13 zyzxt.exe 10->13         started        process6 signatures7 66 Multi AV Scanner detection for dropped file 13->66 68 Maps a DLL or memory area into another process 13->68 16 zyzxt.exe 13->16         started        process8 signatures9 40 Modifies the context of a thread in another process (thread injection) 16->40 42 Maps a DLL or memory area into another process 16->42 44 Sample uses process hollowing technique 16->44 46 Queues an APC in another process (thread injection) 16->46 19 explorer.exe 16->19 injected process10 dnsIp11 34 www.3d-mod.com 185.27.134.101, 49707, 49708, 80 WILDCARD-ASWildcardUKLimitedGB United Kingdom 19->34 36 americahaseverything.com 108.179.252.52, 49705, 49706, 80 UNIFIEDLAYER-AS-1US United States 19->36 38 8 other IPs or domains 19->38 56 System process connects to network (likely due to code injection or exploit) 19->56 23 chkdsk.exe 13 19->23         started        signatures12 process13 signatures14 58 Tries to steal Mail credentials (via file / registry access) 23->58 60 Tries to harvest and steal browser information (history, passwords, etc) 23->60 62 Modifies the context of a thread in another process (thread injection) 23->62 64 Maps a DLL or memory area into another process 23->64
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-12-16 07:59:35 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:dcn0 rat spyware stealer 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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Formbook
Unpacked files
SH256 hash:
6fb3515c15daada5ecdb6194a69cc199a68e378ed018e2423d9e2ce2ef6d9493
MD5 hash:
3d5e5048fd971cf530cd06128c0d488c
SHA1 hash:
1d9563e53c7982db06037ae22160e2fbaa9b8243
Detections:
XLoader win_formbook_auto win_formbook_g0
SH256 hash:
42571754dcc7501f6aff155ce4db9c38dd55937bffdc8ce54dfb21900ce9fce6
MD5 hash:
319fd9ed786bd8638c6455806386d20e
SHA1 hash:
ac84ea9a8ccb1b977e758f3be0ed6ad0105d3891
SH256 hash:
3fbcebad9b9afde42c3bf34c8e70868806ef3dce50e21e9175b3aacd8f2daa66
MD5 hash:
e65e3a59dbd6eb5f342fcb66a5db2b28
SHA1 hash:
bac59a5334312f00350897ff0cecf25c3251b0a8
SH256 hash:
31042c71bb220592ca365e326d6ab5e1ef42d3b71c5d2c8eb24201fa1f83f655
MD5 hash:
ec4760bc8a941e07403b446b4fa6c042
SHA1 hash:
4de4ef23995f9409f4407bb5b9889ee360c30488
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 31042c71bb220592ca365e326d6ab5e1ef42d3b71c5d2c8eb24201fa1f83f655

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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