MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df810d99cd1588f21a80f27dc691efb44083567f1385978dad10611858bad134. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
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SHA256 hash: df810d99cd1588f21a80f27dc691efb44083567f1385978dad10611858bad134
SHA3-384 hash: 00c075ac33b7f6f96253f47e5d557985575132a6ec122207b2e5522423e0046262133e0ab4c8f2c2df40156ddf43c437
SHA1 hash: c6d626a51bde02c34b4a09ef8a5f0958dc4477e1
MD5 hash: 7bcab2aed842cc996578e631c97b1985
humanhash: item-bluebird-iowa-seventeen
File name:nellyzx.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:648'704 bytes
First seen:2023-04-21 13:15:56 UTC
Last seen:2023-05-13 22:53:51 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:bM1vMcA+aU90aq/247wLlOs141NlsBnaGkW4bFZIQeXw67Hu4:bCMcXNqe4OOs41NlsBa5W43peA6
Threatray 3'222 similar samples on MalwareBazaar
TLSH T1D7D4D075619A8B51E02ED7F124B8B871037134F3AAE8C5780FE6A6C4CD5BF145C98E8B
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 James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
268
Origin country :
US US
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
nellyzx.exe
Verdict:
Malicious activity
Analysis date:
2023-04-21 13:16:13 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/1c8e8860-08f6-4d8b-ad28-299599598ce3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/383953/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo jigsaw packed
Link:
https://www.filescan.io/uploads/64428c935604c44ec4fb0d0a/reports/723ea9b2-9d66-47c7-8ff3-e14825bd075b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/df810d99cd1588f21a80f27dc691efb44083567f1385978dad10611858bad134
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d2a00c0b-92f2-460f-adf6-88a5e2de57e9
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1218635
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found 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
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 FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 851579 Sample: nellyzx.exe Startdate: 21/04/2023 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic 2->34 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 7 other signatures 2->40 10 nellyzx.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\nellyzx.exe.log, ASCII 10->28 dropped 50 Tries to detect virtualization through RDTSC time measurements 10->50 52 Injects a PE file into a foreign processes 10->52 14 nellyzx.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 1 1 14->17 injected process8 dnsIp9 30 www.margarita-services.com 62.116.130.8, 49696, 80 INTERNETX-ASDE Germany 17->30 32 www.opmk.monster 17->32 42 System process connects to network (likely due to code injection or exploit) 17->42 21 WWAHost.exe 17->21         started        signatures10 process11 signatures12 44 Modifies the context of a thread in another process (thread injection) 21->44 46 Maps a DLL or memory area into another process 21->46 48 Tries to detect virtualization through RDTSC time measurements 21->48 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/df810d99cd1588f21a80f27dc691efb44083567f1385978dad10611858bad134/
Threat name:
Win32.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2023-04-21 13:15:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=36aq3goncwepegua6j64neppwraigvt7coczpdnncbqrqwf22e2a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
10e1fd083fbaa700f1580863bc6bdc928fff23f2edc479c6a8d4e3d7ff57926c
Formbook
2cb0d3b3c2a398a778d18b089cf68d8f7fd91808da695bee0f0fb556354efe09
Formbook
8510156c681956fa592f4e2f346a7cd02ce7a00a31264dc2106e6e0b5a4b267b
Formbook
87d3bbd8edcab168832890e4d362542e2be35fe286ce9a2ebeeb8216d08cca0f
Formbook
896d0711b287b0914d88b93ff8d06623c60f45b405e12cbc34a406e09942a577
Formbook
afbccae6537d0602edbc99ef03ec8b89ec23df241079f949c0b8a0aa6f9aa8f0
Formbook
f7bb2d35300a95c164089832c13410023d2293390130109ae3693fd0d05a3df8
Formbook
+ 3'212 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:btrd rat spyware stealer trojan
Link:
https://tria.ge/reports/230421-qhsdtshe9t/
Behaviour
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
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
dc1640a58e9fea5bfa7f6345a1c4c30b240225cc63f34fdb389af6ece1c5a007
MD5 hash:
b80e4dff0fc7c0b2fc2455aee3273485
SHA1 hash:
2e8ecd4015704c7fa7cd039accf3dd4c6547ca63
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/d5bb0c8f-33fd-4fae-a2fe-d5b590ddcd7a/
Parent samples :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 hash:
686d7a0f616c32c209dbc486d15fc72b99246a22a7063f31bef14cf3dbefc608
MD5 hash:
db1b60e5ba59ba71e3206ff672d10a01
SHA1 hash:
f605cd33fbf3159bc77452cbd78e7f8b4159e65b
Link:
https://www.unpac.me/results/d5bb0c8f-33fd-4fae-a2fe-d5b590ddcd7a/
SH256 hash:
c8808b69b0f4d52c253e35b001da94086786b34162fd51daa3f17eda94bac7f0
MD5 hash:
da56041df789c24cb2a36a364431f766
SHA1 hash:
876e6c579d1092a76ce90c500c43af0cf11724a4
Link:
https://www.unpac.me/results/d5bb0c8f-33fd-4fae-a2fe-d5b590ddcd7a/
SH256 hash:
e56fcdcb6f4d14309e3acb747b9cbb2bc9dde06ddfcf3096288adbffb1191676
MD5 hash:
60fbd14c087905f29e8564d6d15de9e8
SHA1 hash:
4d722a0d70deaa10880782c581ba3133157e8fb3
Link:
https://www.unpac.me/results/d5bb0c8f-33fd-4fae-a2fe-d5b590ddcd7a/
SH256 hash:
d7539b5d641b1a06eca2a8c7c26f798a14c5606baa26ba38b1a0e01a7ae40a6e
MD5 hash:
e728b2b13ebfc3c86e49f36ca16fad90
SHA1 hash:
1a9f2c2a6878f5c816d63d28217b6a1d4bc1d997
Link:
https://www.unpac.me/results/d5bb0c8f-33fd-4fae-a2fe-d5b590ddcd7a/
SH256 hash:
df810d99cd1588f21a80f27dc691efb44083567f1385978dad10611858bad134
MD5 hash:
7bcab2aed842cc996578e631c97b1985
SHA1 hash:
c6d626a51bde02c34b4a09ef8a5f0958dc4477e1
Link:
https://www.unpac.me/results/d5bb0c8f-33fd-4fae-a2fe-d5b590ddcd7a/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/df810d99cd15/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
Link:
https://yomi.yoroi.company/submissions/df810d99cd1588f21a80f27dc691efb44083567f1385978dad10611858bad134

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
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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.

  
Delivery method
Other
  
URLhaus
https://urlhaus.abuse.ch/url/2614338/
Cape
Cape
https://www.capesandbox.com/analysis/383953/

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