MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38611cbec59d31636dfa80e39146bc9c96d3515fbafd9ea16f7392bdfeee69ee. 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 6 File information Comments

SHA256 hash: 38611cbec59d31636dfa80e39146bc9c96d3515fbafd9ea16f7392bdfeee69ee
SHA3-384 hash: 12c4ffdef100c9d673947175e8af87ab0f03578a54e5da646ccc8c74b3d1e26716291ff0c61c228d3ecf06d7c8f3ebf0
SHA1 hash: bcf633e24eff060782aaf7dd6e5a1fc61796d586
MD5 hash: f25e3594aba0fdc9c3d98043bedd16c6
humanhash: washington-alaska-diet-one
File name:38611cbec59d31636dfa80e39146bc9c96d3515fbafd9ea16f7392bdfeee69ee
Download: download sample
Signature Formbook
File size:939'008 bytes
First seen:2022-10-10 11:35:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:kYRcrWWvUZ4tlgD9yvR+ZBKm6M4qHKuw3BMUhpU1xo5Mik4EhBHglt:kY2vUZ4tlA9URmkm6dqqV3ecpUL
TLSH T1FC15AE6932A5669FC017DD7989D0DD70E765AC63A21BC24392C70C5FF90EAE6CB103A3
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f0ccb2f0e8f0ccf0 (12 x Formbook, 8 x AgentTesla, 8 x SnakeKeylogger)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
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.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 719960 Sample: eXHIp5j83B.exe Startdate: 11/10/2022 Architecture: WINDOWS Score: 100 33 www.ennedy.online 2->33 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 5 other signatures 2->45 9 eXHIp5j83B.exe 3 2->9         started        signatures3 process4 file5 25 C:\Users\user\AppData\...\eXHIp5j83B.exe.log, ASCII 9->25 dropped 12 eXHIp5j83B.exe 9->12         started        15 eXHIp5j83B.exe 9->15         started        process6 signatures7 53 Modifies the context of a thread in another process (thread injection) 12->53 55 Maps a DLL or memory area into another process 12->55 57 Sample uses process hollowing technique 12->57 59 Queues an APC in another process (thread injection) 12->59 17 explorer.exe 12->17 injected process8 dnsIp9 27 comprar-carros.cloud 64.190.62.22, 49699, 80 NBS11696US United States 17->27 29 www.myprudence.com 104.253.30.19, 80 EGIHOSTINGUS United States 17->29 31 www.comprar-carros.cloud 17->31 37 System process connects to network (likely due to code injection or exploit) 17->37 21 systray.exe 12 17->21         started        signatures10 process11 dnsIp12 35 www.myprudence.com 21->35 47 Deletes itself after installation 21->47 49 Modifies the context of a thread in another process (thread injection) 21->49 51 Maps a DLL or memory area into another process 21->51 signatures13
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-09-22 11:51:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
17 of 25 (68.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:vez2 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
c58806a0b5e8d4f2e9115a5d4dc1791a4530318f24ac925c89eed4748440cf9c
MD5 hash:
e2246327d2207d9eb5d2deef0f3feb2e
SHA1 hash:
9a6075dcea253f4432a60cd9627c9cee75c0ed67
Detections:
XLoader win_formbook_auto win_formbook_g0
SH256 hash:
048e7b0ab25e68564215c6ce693567d8858520678dea9fc2e4a7b0e8f3cce68f
MD5 hash:
28a32641b71f3a4f7ad1b550e1005925
SHA1 hash:
0acb9a722d61f661647049fdcfaa6e1af00d4d54
SH256 hash:
3f56bd46022a1797edee75a83888d18ed40b117a9a2743b96e215c5f27aeaa65
MD5 hash:
49941aae416ecb6aabcceec771e88658
SHA1 hash:
b7ea7f127968533262de7d90b26749060be96dfc
SH256 hash:
2470b39032f6182252039c88199016566b0de30c6aa02163a143427afedd12af
MD5 hash:
c3a1924684ca30ed22234ce1d9111dfc
SHA1 hash:
7347706241422758c06440fd6044ae4e042b456b
SH256 hash:
563be924c6a994062c4fc4e625b197f05696d447bc7c95ec77b0bf0878309337
MD5 hash:
8a3303188d9e810692bd9746f37adb82
SHA1 hash:
2e92d9f32bc7a55e5e159e6f0efcc906d0bf97ee
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
SH256 hash:
38611cbec59d31636dfa80e39146bc9c96d3515fbafd9ea16f7392bdfeee69ee
MD5 hash:
f25e3594aba0fdc9c3d98043bedd16c6
SHA1 hash:
bcf633e24eff060782aaf7dd6e5a1fc61796d586
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:meth_get_eip
Author:Willi Ballenthin
Rule name:pe_imphash
Rule name:RansomwareTest4
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest5
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest7
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments