MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9e61912502dcecae6db836a707146536ea7fbb1dee0ac462a6bc27ac8c25109d. 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 2 File information Comments

SHA256 hash: 9e61912502dcecae6db836a707146536ea7fbb1dee0ac462a6bc27ac8c25109d
SHA3-384 hash: 71f5c4a0c35ce080f2e4186d7fbd3423ce6f53f95db85e02d250511758c6b4f5d3fe088d33248781d2de0ed9b46461c1
SHA1 hash: 1983410fcf317e1b2b093eb47736cf0dfb67a8b9
MD5 hash: 59f73fba1c27485b254a7c5fc0d519fd
humanhash: sweet-alpha-kilo-quebec
File name:machalazx.exe
Download: download sample
Signature Formbook
File size:541'696 bytes
First seen:2022-06-27 12:42:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:TBf0nKSXHzaNhaZLtgnlw1XItd0Yh5xoKwv:TapVjglw1rYZoKwv
TLSH T1A9B40229BAE3DE46D3651673C0E04020137697DA5913E72FB5CD73190DA37DEC862ACA
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 b2f949b1bafab8b0 (18 x AgentTesla, 17 x Loki, 17 x Formbook)
Reporter pr0xylife
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
226
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
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
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)
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)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 652931 Sample: machalazx.exe Startdate: 27/06/2022 Architecture: WINDOWS Score: 100 35 www.eduba45.com 2->35 39 Malicious sample detected (through community Yara rule) 2->39 41 Yara detected AntiVM3 2->41 43 Yara detected FormBook 2->43 45 5 other signatures 2->45 11 machalazx.exe 3 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\machalazx.exe.log, ASCII 11->33 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 15 machalazx.exe 11->15         started        18 machalazx.exe 11->18         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 Queues an APC in another process (thread injection) 15->65 20 explorer.exe 15->20 injected process9 dnsIp10 37 www.eduba45.com 68.65.121.25, 80 NAMECHEAP-NETUS United States 20->37 47 System process connects to network (likely due to code injection or exploit) 20->47 24 cmstp.exe 20->24         started        27 autochk.exe 20->27         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 24->49 51 Maps a DLL or memory area into another process 24->51 53 Tries to detect virtualization through RDTSC time measurements 24->53 29 cmd.exe 1 24->29         started        process14 process15 31 conhost.exe 29->31         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-27 12:43:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:adt4 loader persistence rat spyware stealer suricata trojan
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
System policy modification
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Executes dropped EXE
Xloader Payload
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
9bc1c7199f48819305647903e4dae8431bea2e3918bcb9611ad7900ebc6ac756
MD5 hash:
94a6b2771c7273669e7949fe833457ae
SHA1 hash:
ade8b7b9f95dfd1a5ae8a60277dd086512cf2575
Detections:
win_formbook_g0 win_formbook_auto XLoader
SH256 hash:
0aa8ea56f670ef5041fe87ee1a27b6623c2cf7996ed489214aa076996ca40cac
MD5 hash:
faf84cab64260654988db2f9157f8f89
SHA1 hash:
e1e6ebeaf252c78e74c1355cdefc6a2c52cfab70
SH256 hash:
6fdf1cfdc5d32f8b4edbb06cc537ac9312414355dc31ac115cb4ffe2e877bcc0
MD5 hash:
946310fa1589d5a34d46041cf9dbd742
SHA1 hash:
dd4991d02d511abb54c3d66390d6ee98b7d4c55d
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
SH256 hash:
4a8d5a88ded5e7c7b5260947d90a2d80c0baf9588634286e635a314d18c161f6
MD5 hash:
55c8f9431babbf1030391d9f6426aad3
SHA1 hash:
a7997e18a3b9f89a39163600be1d4939230214de
SH256 hash:
9e61912502dcecae6db836a707146536ea7fbb1dee0ac462a6bc27ac8c25109d
MD5 hash:
59f73fba1c27485b254a7c5fc0d519fd
SHA1 hash:
1983410fcf317e1b2b093eb47736cf0dfb67a8b9
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:pe_imphash
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.

Web download

Formbook

Executable exe 9e61912502dcecae6db836a707146536ea7fbb1dee0ac462a6bc27ac8c25109d

(this sample)

  
Delivery method
Distributed via web download

Comments