MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d19f7b0ecc3d57de36a33ed4e4f54488bf85e468710630d646b2edfcba23c0dc. 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 4 File information Comments 1

SHA256 hash: d19f7b0ecc3d57de36a33ed4e4f54488bf85e468710630d646b2edfcba23c0dc
SHA3-384 hash: 4ce9388d36226f059286e05db9c1c50d4144f2e77e78a9d63e169ced4a3716b84c077479dbc8e91e7d8503a6c2640a48
SHA1 hash: 40a78b61604d965c2e2ab00bf94abfdd778563c3
MD5 hash: 6713d6eadee3ad9164e66e555eaa16ee
humanhash: fifteen-ohio-coffee-hydrogen
File name:6713d6eadee3ad9164e66e555eaa16ee
Download: download sample
Signature Formbook
File size:562'688 bytes
First seen:2023-11-05 18:37:38 UTC
Last seen:2023-11-05 20:28:46 UTC
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:wIk5PnRyLBsEgHuRPkT+R1vunM/A6LpHRECWL/GQ9VOQHXJjB:wIk5PnRyK1YPkSzGM46lQnOQHX5
TLSH T17EC423F9236C4F23C7A66BF250025144A3B9502BA17BEF351CC910CF9A87F586BE5A47
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)
File icon (PE):PE icon
dhash icon b2a86de4d496d469 (11 x Formbook, 6 x AgentTesla, 1 x Loki)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
394
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
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
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
.NET source code contains potential unpacker
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1337306 Sample: SrGKzf5pYf.exe Startdate: 05/11/2023 Architecture: WINDOWS Score: 100 36 www.xinxisimple.com 2->36 38 www.vivartstore.com 2->38 40 11 other IPs or domains 2->40 44 Snort IDS alert for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 8 other signatures 2->50 11 SrGKzf5pYf.exe 3 2->11         started        signatures3 process4 signatures5 58 Tries to detect virtualization through RDTSC time measurements 11->58 14 SrGKzf5pYf.exe 11->14         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 7 1 14->17 injected process8 dnsIp9 30 vivartstore.com 93.89.226.17, 49719, 80 TR-FBSTR Turkey 17->30 32 www.dungmamma.com 173.233.137.60, 49720, 80 SERVERS-COMUS United States 17->32 34 6 other IPs or domains 17->34 42 System process connects to network (likely due to code injection or exploit) 17->42 21 systray.exe 17->21         started        24 autoconv.exe 17->24         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-11-05 18:38:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:s20a 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:
4e1d4466c2a2618f4f8e0014aca3f27a43b1c7dc94d234ce5a03b22e78abdce3
MD5 hash:
00b0ac59e745efd612d5d2a7a9c9fc82
SHA1 hash:
94fd8003801b0e496ac388fcaffcc4b2c318ac8c
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
dabf8636f822ed11d6f093a9fa6821474ea83c6a741e6e520f049d0e9513f205
MD5 hash:
e38d22e0da779e45f833faf2a5dfc859
SHA1 hash:
c1ce3dea5b807f32a2626ea8c8050d9aa8a13ac0
SH256 hash:
2fc6e7a93e0fbed4e6ca48c98af13c7339db7bff52a1bdce39b1c83c8e453878
MD5 hash:
af053f732b77a9c89118b0e73d2dd656
SHA1 hash:
64b34d32f5dca8ec21ffeceebe6d6c9dfc562c4d
SH256 hash:
d19f7b0ecc3d57de36a33ed4e4f54488bf85e468710630d646b2edfcba23c0dc
MD5 hash:
6713d6eadee3ad9164e66e555eaa16ee
SHA1 hash:
40a78b61604d965c2e2ab00bf94abfdd778563c3
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Author:malware-lu
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 d19f7b0ecc3d57de36a33ed4e4f54488bf85e468710630d646b2edfcba23c0dc

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-11-05 18:37:39 UTC

url : hxxp://fresh1.ironoreprod.top/_errorpages/soyazx.exe