MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dff25372f8a0a3b43b9de36be64239d4cb3c722b95d416cd48b44c734689d20c. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dff25372f8a0a3b43b9de36be64239d4cb3c722b95d416cd48b44c734689d20c
SHA3-384 hash: 9b53ad34abe99bc35e09e2cb0c1ac6439861a0202ef6be6990746333050bedd752a6c91c6d73cdbc1df3df7480172641
SHA1 hash: 41f70ab2af599bfdaafb31bb630d72c75662c687
MD5 hash: f71096aa5b9958ecfda54694b243e22d
humanhash: fifteen-island-don-spring
File name:eInvoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:864'768 bytes
First seen:2022-11-21 11:21:12 UTC
Last seen:2022-11-21 13:03:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:geCMdNjYPocm9hue5CXBnG30YCoBjZnbCkI:g2LYP9YjCXBn+9BjZnbCkI
TLSH T1BF056BE96853696EE4B8B27D55F1E990CAB34C724EC0AE2481A83DC16D335D3B052DFC
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 adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
eInvoice.exe
Verdict:
Malicious activity
Analysis date:
2022-11-21 11:21:49 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/59fa8935-7bea-46b9-9578-6df5e98e25cb

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/336709/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.31452.25251.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/637b5f5d2609334c72c198d0/reports/ce4c6ad0-dfe5-4d76-b185-7ac56179b6e9/overview
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3f0bb21b-55f9-47fd-80c7-c121a5f90596
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1118046
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 750760 Sample: eInvoice.exe Startdate: 21/11/2022 Architecture: WINDOWS Score: 100 29 Malicious sample detected (through community Yara rule) 2->29 31 Antivirus detection for URL or domain 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 7 other signatures 2->35 8 eInvoice.exe 3 2->8         started        process3 file4 21 C:\Users\user\AppData\...\eInvoice.exe.log, ASCII 8->21 dropped 11 RegSvcs.exe 8->11         started        process5 signatures6 45 Modifies the context of a thread in another process (thread injection) 11->45 47 Maps a DLL or memory area into another process 11->47 49 Sample uses process hollowing technique 11->49 51 Queues an APC in another process (thread injection) 11->51 14 explorer.exe 11->14 injected process7 dnsIp8 23 www.bandprental.com 208.91.197.27, 49707, 80 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 14->23 25 youandmegb136.shop 66.29.141.188, 49708, 49709, 80 ADVANTAGECOMUS United States 14->25 27 www.youandmegb136.shop 14->27 53 System process connects to network (likely due to code injection or exploit) 14->53 18 svchost.exe 13 14->18         started        signatures9 process10 signatures11 37 Tries to steal Mail credentials (via file / registry access) 18->37 39 Tries to harvest and steal browser information (history, passwords, etc) 18->39 41 Modifies the context of a thread in another process (thread injection) 18->41 43 Maps a DLL or memory area into another process 18->43
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dff25372f8a0a3b43b9de36be64239d4cb3c722b95d416cd48b44c734689d20c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-17 13:41:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=37zfg4xyucr3io454nv6mqrz2tfty4rlsxkbntkiwrghgruj2iga._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:docv rat spyware stealer trojan
Link:
https://tria.ge/reports/221121-ngkaqabh9y/
Behaviour
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
Suspicious use of SetThreadContext
Loads dropped DLL
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e59c0f1a-ad12-4557-b43b-89ea1f3524d1
Unpacked files
SH256 hash:
2374dae887ec717c748faf816dc37896f7f1d063203101d6aadc04dd413af870
MD5 hash:
98bf319ec325584aa76ff21e47581bf1
SHA1 hash:
d54f7969d03e859b87db59251ba7006e163d6a06
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/e5af3792-a276-4e8f-b03e-6f85ce8c7ee8/
Parent samples :
320f7bf0fe5297d7735fc088454b523107d87d011a332e0362da98df35b5d8c3
9c093643caa5d9e0a314fdd8bad4c6b44d64793f36d7627a7219080f29de4ccb
8ddd2ba01927bb631eda5dee78b63f8cdb91db44e9418fd4eb313b6b4847f6d7
b48635778fb14d1746af5e53f73c843362de073e5839003586f8d7d4cf0a6df5
91de74dad55c2b232479de6bb60f68a3c3a260aad21bfb00a10c1e53d25f934a
dff25372f8a0a3b43b9de36be64239d4cb3c722b95d416cd48b44c734689d20c
SH256 hash:
5e0cc77dfef4a945109202d86237fe6ad2390a8b3f5af80d604c0c96e3b1e2a1
MD5 hash:
1d1f2123f0d4f52b16cde072cdd3aa67
SHA1 hash:
448c24ef523a919b8ad3e76db113b3f88aa942be
Link:
https://www.unpac.me/results/e5af3792-a276-4e8f-b03e-6f85ce8c7ee8/
SH256 hash:
7100f3cbc8a297c0668e3d68d584b0d418c8f52e42643e5d6eda55255abe2111
MD5 hash:
390d34db3495263ee969706c260d125e
SHA1 hash:
76c5a385260eec21d1e0e81ee0ef7d980d52bd53
Link:
https://www.unpac.me/results/e5af3792-a276-4e8f-b03e-6f85ce8c7ee8/
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
Link:
https://www.unpac.me/results/e5af3792-a276-4e8f-b03e-6f85ce8c7ee8/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/e5af3792-a276-4e8f-b03e-6f85ce8c7ee8/
SH256 hash:
79ca407e258cc5b022046029c3c9b3af704ec9f9980a732b53a61ba0b9cb6c85
MD5 hash:
31974e785557dfb6e5e7432049d50ed7
SHA1 hash:
173157556538605585b9d528e8653a44a8b2d9c3
Link:
https://www.unpac.me/results/e5af3792-a276-4e8f-b03e-6f85ce8c7ee8/
SH256 hash:
dff25372f8a0a3b43b9de36be64239d4cb3c722b95d416cd48b44c734689d20c
MD5 hash:
f71096aa5b9958ecfda54694b243e22d
SHA1 hash:
41f70ab2af599bfdaafb31bb630d72c75662c687
Link:
https://www.unpac.me/results/e5af3792-a276-4e8f-b03e-6f85ce8c7ee8/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dff25372f8a0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/dff25372f8a0a3b43b9de36be64239d4cb3c722b95d416cd48b44c734689d20c

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
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.

Malspam

Formbook

Executable exe dff25372f8a0a3b43b9de36be64239d4cb3c722b95d416cd48b44c734689d20c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/336709/

Comments