MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e25ea6eb167727e93ddf4162cdf8fd9f8b974c6ae6195d743b578cadcc17301a. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e25ea6eb167727e93ddf4162cdf8fd9f8b974c6ae6195d743b578cadcc17301a
SHA3-384 hash: a3d4c8df645e0d161b2de5940e677dfac59e37b4f84afa945377d9ef2e64f142115102d6e55dd18be30b34d59f0038d3
SHA1 hash: e6fc492cc3d3c64535de5a794b0103b6521b271e
MD5 hash: 11a4392746dabb7901c50a6b26975864
humanhash: hot-music-vermont-romeo
File name:89978171.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:406'048 bytes
First seen:2022-07-11 09:58:02 UTC
Last seen:2022-07-11 10:45:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:4SicJLKmI/l7JwZMZl2DjwObUn89QviUHh5Nee8:xWmI/5+slcwO
TLSH T18C84188B765C778ECA57C971BAB41D34A610AF6753178603B0C3EDAC9A2C49F9F140E2
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 6ccccc9cc4d8e8f4 (41 x Formbook, 34 x AgentTesla, 3 x AveMariaRAT)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
265
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
89978171.exe
Verdict:
Malicious activity
Analysis date:
2022-07-11 19:57:29 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/ee5ded8f-fb22-4f28-93ca-9fc44ff6dcd2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/286145/
Detection(s):
SecuriteInfo.com.Trojan0056a1fe1.6289.24577.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending a custom TCP request
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated overlay packed
Link:
https://www.filescan.io/uploads/62cbf4347d5b150059f31b26/reports/48ee3704-7914-4f29-9af9-b0fc982810bf/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/203785a0-9345-4bf1-aff5-56e682400d91
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1028411
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected potential unwanted application
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 660904 Sample: 89978171.exe Startdate: 11/07/2022 Architecture: WINDOWS Score: 100 31 www.museatthemill.com 2->31 33 www.momentums6.com 2->33 35 3 other IPs or domains 2->35 37 Snort IDS alert for network traffic 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 8 other signatures 2->43 11 89978171.exe 1 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\89978171.exe.log, ASCII 11->29 dropped 51 Writes to foreign memory regions 11->51 53 Allocates memory in foreign processes 11->53 55 Injects a PE file into a foreign processes 11->55 57 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 11->57 15 cvtres.exe 11->15         started        signatures6 process7 signatures8 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 63 Sample uses process hollowing technique 15->63 65 2 other signatures 15->65 18 explorer.exe 15->18 injected process9 process10 20 help.exe 18->20         started        signatures11 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47 49 Tries to detect virtualization through RDTSC time measurements 20->49 23 cmd.exe 1 20->23         started        25 explorer.exe 122 20->25         started        process12 process13 27 conhost.exe 23->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e25ea6eb167727e93ddf4162cdf8fd9f8b974c6ae6195d743b578cadcc17301a/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-07-11 08:51:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4jpkn2ywo4t6spo7ifrm36h5t6fzotdk4ymv25b3k6gk3taxgana._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:tn61 loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220711-lzgw7sade4/
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
System policy modification
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Adds policy Run key to start application
Xloader payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
c255e016dab3d29f31f8ab97b4a51e424267fd456a7a7b1fad5610b4c2b97fc0
MD5 hash:
dc42037bc83489ba6ac2513a184590c3
SHA1 hash:
26e3e9e7a3d125b7c9926a11ffcf61b8f4d5f405
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
XLoader
Create hunting rule
Link:
https://www.unpac.me/results/1e6f7f40-0aa4-4dc7-b80d-586b840289a7/
Parent samples :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 hash:
60feb8085693e0c603d1c0d35af7fe87b1b4bcb092eafc303e3ca9271e4a1bbf
MD5 hash:
5ee3747091d82536d5bb1a7589120b9b
SHA1 hash:
cc65fe011b9c4de4e58c6f021cff9a6cc0d9b6af
Link:
https://www.unpac.me/results/1e6f7f40-0aa4-4dc7-b80d-586b840289a7/
SH256 hash:
f21495e08a4e3f3c3170a9d26b9b17c0e0b29259bbdd4ae8b74c239ae2191eea
MD5 hash:
28287596f99e5bde598726059c8f1ece
SHA1 hash:
99d30a291f1137c0e639a1785c7e0124e910ade3
Link:
https://www.unpac.me/results/1e6f7f40-0aa4-4dc7-b80d-586b840289a7/
SH256 hash:
e25ea6eb167727e93ddf4162cdf8fd9f8b974c6ae6195d743b578cadcc17301a
MD5 hash:
11a4392746dabb7901c50a6b26975864
SHA1 hash:
e6fc492cc3d3c64535de5a794b0103b6521b271e
Link:
https://www.unpac.me/results/1e6f7f40-0aa4-4dc7-b80d-586b840289a7/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e25ea6eb1677/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/e25ea6eb167727e93ddf4162cdf8fd9f8b974c6ae6195d743b578cadcc17301a

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
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 e25ea6eb167727e93ddf4162cdf8fd9f8b974c6ae6195d743b578cadcc17301a

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/286145/

Comments