MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e2e1fecda1667f10e086d9f86458dadf8ab19874abf16a36e669a6c87d845e8. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments

SHA256 hash: 1e2e1fecda1667f10e086d9f86458dadf8ab19874abf16a36e669a6c87d845e8
SHA3-384 hash: 62afc76a5f1ba7e42d949c34b12b4d93f678e0ec2aab37a03963d2bbf07a4128acf0a31bceefba1cf3746ef397155d1f
SHA1 hash: a136662eb0ad45112d683bd964d26856c240b3f1
MD5 hash: be59942a4e10032c7190c7d3a4a38783
humanhash: network-blossom-mississippi-aspen
File name:Glxfra.exe
Download: download sample
Signature Formbook
File size:593'920 bytes
First seen:2022-08-03 05:22:35 UTC
Last seen:2022-08-03 08:07:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:5eOuzmbjM+aEmOj7fin9gdAym7QVdOwK/xa5ELJkmw:j0mbuEV7fin9gBwQnK/xa5Bm
TLSH T169C4E07759998A7CE220C47892DF333064505F2EAF869CAC77764EEDB340A4F4891BE1
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 e0c8cec6c6c6c0e0 (3 x BlackGuard, 3 x Formbook, 2 x MassLogger)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
285
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Glxfra.exe
Verdict:
Malicious activity
Analysis date:
2022-08-03 05:32:08 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
Searching for synchronization primitives
Reading critical registry keys
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed wacatac
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
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 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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 677870 Sample: Glxfra.exe Startdate: 03/08/2022 Architecture: WINDOWS Score: 100 33 www.thelittlemeadowmarket.com 2->33 35 parkingpage.namecheap.com 2->35 41 Multi AV Scanner detection for domain / URL 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 8 other signatures 2->47 11 Glxfra.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...behaviorgraphlxfra.exe.log, ASCII 11->31 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 Glxfra.exe 11->15         started        18 Glxfra.exe 11->18         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 20 explorer.exe 15->20 injected process9 dnsIp10 37 vinisi.winisiren.com 66.42.48.223, 49792, 80 AS-CHOOPAUS United States 20->37 39 www.5555vn.com 20->39 49 System process connects to network (likely due to code injection or exploit) 20->49 24 cmmon32.exe 20->24         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 24->51 53 Maps a DLL or memory area into another process 24->53 55 Tries to detect virtualization through RDTSC time measurements 24->55 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-08-03 00:12:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:a84y rat spyware stealer trojan
Behaviour
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
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
920425f2e6aa4aa97857aac6d68ecc15751240e98501bc7dca25bd13c1b705ba
MD5 hash:
3cdd41f27b5789637129f5df2d5448cb
SHA1 hash:
9e20f755c208ddbd232283f5564f55bb0be9b3db
Detections:
win_formbook_g0 win_formbook_auto FormBook
SH256 hash:
23d9f862343b5f028ecb35ef44f0e65bc678732d9b4c6d23f3fbccec8de28a36
MD5 hash:
f33ab71d2bfb345ade0c70568d3a04c2
SHA1 hash:
420dea2b3305637f8c3d4d073c67c416b2d2a3a5
Detections:
win_formbook_g0
SH256 hash:
6e8a35e2372cecd2e288b20fc17ea4e45612bfaa04a7882cceed9feb731d2307
MD5 hash:
aa57581cabab25b7404ca19331696444
SHA1 hash:
e499e40b485754c5e12c734f43ef53956269ade6
SH256 hash:
a6acfe617040a5005be0d1675756dc9f09596d3bb2bb3ebc8a2c6881b8c4cfd7
MD5 hash:
db843358b89f4074346cab346720ab06
SHA1 hash:
94d77a5f2d66f20baf557ad30c3ab284665980d9
SH256 hash:
1e2e1fecda1667f10e086d9f86458dadf8ab19874abf16a36e669a6c87d845e8
MD5 hash:
be59942a4e10032c7190c7d3a4a38783
SHA1 hash:
a136662eb0ad45112d683bd964d26856c240b3f1
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Malspam

Formbook

Executable exe 1e2e1fecda1667f10e086d9f86458dadf8ab19874abf16a36e669a6c87d845e8

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments