MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e337292eeb5ad0cdb4a6a6fa44620890113977bbc4be85b2f3440395547f6eb0. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e337292eeb5ad0cdb4a6a6fa44620890113977bbc4be85b2f3440395547f6eb0
SHA3-384 hash: b71be33293875078762259ae147343f3bce5b984579d5a3e96116526ad0c72126ab58470b6b489dbff035423a0f1a258
SHA1 hash: e69ddd5377a9caba84828ef269118b1052b2b945
MD5 hash: f5b121d5f5efb1e9ec7aba0a67c1be48
humanhash: magazine-virginia-oven-steak
File name:f5b121d5f5efb1e9ec7aba0a67c1be48
Download: download sample
Signature Formbook
Create hunting rule
File size:648'704 bytes
First seen:2023-09-06 05:51:49 UTC
Last seen:Never
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:Kgi2/DJGWTLLImZ+tXwxHp2HneztEsKzSYZJIiyFK1jVGN+XbiC75EAeLsQ:Kg1/DDLsmZ+tIoemsKzb8iKKXm+XbiSw
Threatray 1'165 similar samples on MalwareBazaar
TLSH T17AD402087AD44E36D7BE433591A82304C77211A7453AC6187E9E368BEF3EB110B57E6B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
284
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f5b121d5f5efb1e9ec7aba0a67c1be48
Verdict:
No threats detected
Analysis date:
2023-09-06 05:52:43 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/be8fb697-b6e6-4e9a-9bca-ddf384415629

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/446451/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed phishing
Link:
https://www.filescan.io/uploads/64f81383c95366b9ef0032b8/reports/1f0c7c27-4d97-4448-a665-1b274e48ef71/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/e337292eeb5ad0cdb4a6a6fa44620890113977bbc4be85b2f3440395547f6eb0
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/721ec121-13b0-4010-b6fe-c844e1870a31
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1304040
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 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 detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1304040 Sample: 7LCsfHZ06y.exe Startdate: 06/09/2023 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 8 other signatures 2->41 10 7LCsfHZ06y.exe 3 2->10         started        process3 signatures4 49 Tries to detect virtualization through RDTSC time measurements 10->49 13 7LCsfHZ06y.exe 10->13         started        process5 signatures6 51 Modifies the context of a thread in another process (thread injection) 13->51 53 Maps a DLL or memory area into another process 13->53 55 Sample uses process hollowing technique 13->55 57 Queues an APC in another process (thread injection) 13->57 16 explorer.exe 3 1 13->16 injected process7 dnsIp8 27 www.qcekilps.cfd 107.148.29.120, 49747, 80 PEGTECHINCUS United States 16->27 29 www.gotothe.bar 192.64.119.254, 49752, 80 NAMECHEAP-NETUS United States 16->29 31 5 other IPs or domains 16->31 33 System process connects to network (likely due to code injection or exploit) 16->33 20 mstsc.exe 16->20         started        signatures9 process10 signatures11 43 Modifies the context of a thread in another process (thread injection) 20->43 45 Maps a DLL or memory area into another process 20->45 47 Tries to detect virtualization through RDTSC time measurements 20->47 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e337292eeb5ad0cdb4a6a6fa44620890113977bbc4be85b2f3440395547f6eb0/
Threat name:
ByteCode-MSIL.Trojan.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-09-06 01:02:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4m3sslxlllim3nfgu35eiyqisaits553ys7ilmxtiqbzkvd7n2ya._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
09a46413e5df831a43d988315fc1973f8ec5124fa4d984c84da40d8a2b15f1ba
Formbook
7575a4e559fb7df7dc4781137aa09a0e9bf542b3127b5e34850d5829e59ac58f
Formbook
9cd1b016ff9416679f96b8047284684816dc8dc5c61d698f2ff69a3d200477ca
Formbook
c233b5359370a026201a1648489a3f1f91fd11cadb41e87ce45c60ea3a15f8f1
Formbook
c250549bfd9382d9489d8a0905c0b8bde28ec07f5af5d8b92e4ec8eb6cc72248
Formbook
c5ae9a42b26b2a0c9b7ab0e75dc45ebb11c69276345a8e8dcd6367599569fbc5
Formbook
c89bf6380445a49127491a4c68b77bc9ff8ba9b8fa016846ed6cc2274b6133d0
Formbook
ea2bca0128d9498a9905b3408ceb8edecefbc96891ae4bf4403739d21fc98c52
Formbook
f0ce6536bd8f80c0ee0ff1a246fd8447514906a38d4d24ec0d373c814180f9fb
Formbook
f0eef09d45e8b0edf907f9fa6f9bd84a33327f62359fef4b92508a413d68c1b3
Formbook
+ 1'155 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:xy18 rat spyware stealer trojan
Link:
https://tria.ge/reports/230906-gkqhksde4z/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Drops file in System32 directory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
6dba7e2f791b8bc6409266fad7402f38b3f89e8e7ecc11642bc42eaff38f0045
MD5 hash:
f7dfb8cac68b5d752c0a21d3024ce224
SHA1 hash:
9791866ce00085ac50f8f41a1cde215bf274d91a
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/08b1ea28-ae20-400d-978f-c1e04600d7a5/
Parent samples :
09a46413e5df831a43d988315fc1973f8ec5124fa4d984c84da40d8a2b15f1ba
c250549bfd9382d9489d8a0905c0b8bde28ec07f5af5d8b92e4ec8eb6cc72248
9cd1b016ff9416679f96b8047284684816dc8dc5c61d698f2ff69a3d200477ca
c5ae9a42b26b2a0c9b7ab0e75dc45ebb11c69276345a8e8dcd6367599569fbc5
7575a4e559fb7df7dc4781137aa09a0e9bf542b3127b5e34850d5829e59ac58f
e337292eeb5ad0cdb4a6a6fa44620890113977bbc4be85b2f3440395547f6eb0
SH256 hash:
f61d2bf9d06b6be90c61b0c23e3950970fe21cdc30c4478a6b5de16bb37ad486
MD5 hash:
1e10562db5a494b54896b6d75f585a8d
SHA1 hash:
55194bb10f5b83193df3375feb4f3aba15c79cd2
Link:
https://www.unpac.me/results/08b1ea28-ae20-400d-978f-c1e04600d7a5/
SH256 hash:
be6c67d24f076a3bd37850373762f020441faaba0ad08d482721dc1042ebd0b1
MD5 hash:
9a8ac1f0cff0b81d4c526fef3d28ee13
SHA1 hash:
3dbd4d19e4b147f41d7d494bdfcd368c6eda4f3d
Link:
https://www.unpac.me/results/08b1ea28-ae20-400d-978f-c1e04600d7a5/
SH256 hash:
e6f1bc41eb7ac9740f3b1a95886c03228aa3e629c09e41b9623cd90a4d70760d
MD5 hash:
d5c5714c60186249b43aee3a610153f3
SHA1 hash:
39b49ce8c8ed74099ad90add80d21aa1560ac2a4
Link:
https://www.unpac.me/results/08b1ea28-ae20-400d-978f-c1e04600d7a5/
SH256 hash:
e337292eeb5ad0cdb4a6a6fa44620890113977bbc4be85b2f3440395547f6eb0
MD5 hash:
f5b121d5f5efb1e9ec7aba0a67c1be48
SHA1 hash:
e69ddd5377a9caba84828ef269118b1052b2b945
Link:
https://www.unpac.me/results/08b1ea28-ae20-400d-978f-c1e04600d7a5/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e337292eeb5a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e337292eeb5ad0cdb4a6a6fa44620890113977bbc4be85b2f3440395547f6eb0

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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.

Web download

Formbook

Executable exe e337292eeb5ad0cdb4a6a6fa44620890113977bbc4be85b2f3440395547f6eb0

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2709993/
Cape
Cape
https://www.capesandbox.com/analysis/446451/

Comments


Avatar
zbet commented on 2023-09-06 05:51:50 UTC

url : hxxp://185.28.39.17:7777/185.28.39.18/dollzx.exe