MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9c1292869bf34d5077f8f2bffd19ff671a0dcd996734c3d8af1e484cac42d80d. 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: 9c1292869bf34d5077f8f2bffd19ff671a0dcd996734c3d8af1e484cac42d80d
SHA3-384 hash: d4c9fc80c8b4c41a2f2862f14a7ca89854ccaa8e96377bad12c59c8c180ebc1dc23fe01abcbafeb7e7b71341238cfac1
SHA1 hash: 15201e64ce9f4a599366ccf367469caf1757b172
MD5 hash: c5a33bf3ca462a3a45a67376b46eb029
humanhash: violet-sad-asparagus-missouri
File name:c5a33bf3ca462a3a45a67376b46eb029.exe
Download: download sample
Signature Formbook
File size:860'160 bytes
First seen:2023-02-03 19:53:44 UTC
Last seen:2023-02-03 21:41:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:ithefaqG4yPamxizInTXpnqy29GbD0kEC3XoI6Fy2Mxzo3:i7eSqG4yPamxmInbIy29GUxmh6F0xM
TLSH T1B9058D6337B199B3F78720B20424BA885BF07503BE56E2939BB737C0A785DB77294152
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c5a33bf3ca462a3a45a67376b46eb029.exe
Verdict:
Suspicious activity
Analysis date:
2023-02-03 20:03:35 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
No Threat
Threat level:
  10/10
Confidence:
83%
Tags:
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
Antivirus detection for URL or domain
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)
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
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 798258 Sample: Yp9R5UAd0W.exe Startdate: 03/02/2023 Architecture: WINDOWS Score: 100 33 www.aisini5201314.love 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 6 other signatures 2->45 11 Yp9R5UAd0W.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\Yp9R5UAd0W.exe.log, ASCII 11->31 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 15 Yp9R5UAd0W.exe 11->15         started        18 Yp9R5UAd0W.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 3 1 15->20 injected process9 dnsIp10 35 www.ahbaoyi.net 23.231.57.58, 49719, 80 EONIX-COMMUNICATIONS-ASBLOCK-62904US United States 20->35 37 www.efeftie.buzz 20->37 47 System process connects to network (likely due to code injection or exploit) 20->47 24 cmd.exe 20->24         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 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-02-03 19:54:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:pe63 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
178cc7474b323b0ae6b3095ff67127726530d9d44be5cb58ba7315ef3a1199ad
MD5 hash:
159af9cf7f94d64c8120c80268965306
SHA1 hash:
fb41ab37af2c83e96d97e9cd066f90e72d4887ea
SH256 hash:
b2ebe6c594666f87a4518d5fc9d8dcf719fedb4287fbcae0b3b00602641943ba
MD5 hash:
c0fcdc55c6b5b3bbe5d831528e30c05f
SHA1 hash:
b91acf3d4351536ea358c766b5f11483b9aac05b
SH256 hash:
45049ff61a03858c2b6eb0f81bdca35efea312959af76a91f0b16275a0758187
MD5 hash:
bf937a3e3dbdb65cc701b4eb48ef6ee9
SHA1 hash:
979e3c6d8b546d84518e9876265a2f2e02ddc1be
SH256 hash:
c32fa05ad7c59bac46a8f3a9c9b2b6a33723fdb965bfafaa54dc835a8e3f4a99
MD5 hash:
d9da3577de5c6865c8da6f71569f86a0
SHA1 hash:
80547403f67a567da1223f50288961ac98174583
SH256 hash:
9c1292869bf34d5077f8f2bffd19ff671a0dcd996734c3d8af1e484cac42d80d
MD5 hash:
c5a33bf3ca462a3a45a67376b46eb029
SHA1 hash:
15201e64ce9f4a599366ccf367469caf1757b172
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 9c1292869bf34d5077f8f2bffd19ff671a0dcd996734c3d8af1e484cac42d80d

(this sample)

  
Delivery method
Distributed via web download

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