MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cae9a0644fd5cc322d7507cb395211a8af890df841bcd028f56e77399ada378b. 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: 17


Intelligence 17 IOCs YARA 8 File information Comments
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SHA256 hash: cae9a0644fd5cc322d7507cb395211a8af890df841bcd028f56e77399ada378b
SHA3-384 hash: e874e44fa7cab2fb091e4eef9bcafde355a1e72d21d701243a18b9a7f371f168426ca32d7f01de5c6d9719240c150a9b
SHA1 hash: 240f0ae84d5a5befe322317f8471d3e127a89d93
MD5 hash: 1fc1fea1f0894c6e97a0b3a4a1b07566
humanhash: march-fish-summer-cold
File name:cae9a0644fd5cc322d7507cb395211a8af890df841bcd028f56e77399ada378b
Download: download sample
Signature Formbook
Create hunting rule
File size:240'072 bytes
First seen:2022-07-06 12:59:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:dAd4T1GIbuzk+tm6AFJEvncoUit9Ytk+84fnJp4T9A:Od4T1GjgyiK03QYtkB4/IZ
TLSH T15E34125196E1DC52CB059EB1BC88417C0FB0E3A2B99157D3AA94C1A02FC73F539CD6AE
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)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
223
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
cae9a0644fd5cc322d7507cb395211a8af890df841bcd028f56e77399ada378b
Verdict:
Malicious activity
Analysis date:
2022-07-06 12:59:00 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/284428da-cc48-48a5-b2b9-de1ce260efa1

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/285141/
Detection(s):
SecuriteInfo.com.Variant.Adware.BrowseFox.62.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a 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
Searching for the window
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed wacatac
Link:
https://www.filescan.io/uploads/62c58755783441cda10d9725/reports/59461570-5f42-4e61-8858-bbe876cd70f7/overview
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e7b1d8b3-6edf-49f7-81ed-ff7a9595676c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1025580
Signature
.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)
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)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cae9a0644fd5cc322d7507cb395211a8af890df841bcd028f56e77399ada378b/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2022-06-15 06:37:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 26 (76.92%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zlu2azcp2xgdellva7ftsuqrvcxysdpyig6nakhvnz3ttgw2g6fq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:vweq loader rat spyware stealer suricata
Link:
https://tria.ge/reports/220706-p8metsfaa3/
Behaviour
Enumerates system info in registry
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
Reads user/profile data of web browsers
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
f93e9981a81b0f7db18b7dc39f25f29c02f639d5a6223d4a0593950a6c657cdd
MD5 hash:
3324ff03f3e3fa0f045e0ecde513eb5e
SHA1 hash:
c23458d1aab751b011a7ff20e9a8df4c8f06b1d2
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
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XLoader
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Link:
https://www.unpac.me/results/d1caa4c4-2711-4c5f-9b88-956a691bf5f2/
Parent samples :
276c6876c250e5ebfd761d05937f5a48f7e4c9a6851293a77ab9bf683c8bbf80
e640ade723ba4aa48f63db4293d15b61c07c05bfdd93a3a0f83f4a177306b87d
b9420d9aebcbac4b5e7410b11383972bc328409d01d3ac2b7188ec7176f28cce
cae9a0644fd5cc322d7507cb395211a8af890df841bcd028f56e77399ada378b
be5b336a3ad03b3b70a286e38ba35c631f7d98f3c54e996c2e787f225b449879
38fbf4ef63938c61701107b226bef84d19a357b215830ce660101cfe6f59e75c
SH256 hash:
7629707034eb4e2917d9617397e03a7fc239b19bca1d5e7abd097a624a65f8cb
MD5 hash:
501b15a943a080d3b743374f51377e67
SHA1 hash:
79f9bc846c1f5fc588671cc5c27b578692e3b06b
Link:
https://www.unpac.me/results/d1caa4c4-2711-4c5f-9b88-956a691bf5f2/
SH256 hash:
cae9a0644fd5cc322d7507cb395211a8af890df841bcd028f56e77399ada378b
MD5 hash:
1fc1fea1f0894c6e97a0b3a4a1b07566
SHA1 hash:
240f0ae84d5a5befe322317f8471d3e127a89d93
Link:
https://www.unpac.me/results/d1caa4c4-2711-4c5f-9b88-956a691bf5f2/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cae9a0644fd5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AlphaCrypt
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/cae9a0644fd5cc322d7507cb395211a8af890df841bcd028f56e77399ada378b

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
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 cae9a0644fd5cc322d7507cb395211a8af890df841bcd028f56e77399ada378b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/285141/

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