MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dbb94e1600394c42f2ded11d1611b02c2536bf0334f3e5ece1fe309b76fdb560. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dbb94e1600394c42f2ded11d1611b02c2536bf0334f3e5ece1fe309b76fdb560
SHA3-384 hash: f1a33bd2441c73b3ccb51570b2d6692f7c6249e2ba417a4bf32f9636c717d099014cab2cf64ea4e92f92054fc7df0bc1
SHA1 hash: 40befd09b59e2a8a968a258087d5d22da7aca0c6
MD5 hash: 7d5af44857d6ff56049f76e9542520fe
humanhash: august-lithium-idaho-vegan
File name:pe
Download: download sample
Signature Formbook
Create hunting rule
File size:266'603 bytes
First seen:2022-10-22 19:44:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:mbE/HUbKmD4wAeXRNsiY8QJA/h7C6ptEGvYILyEFRfWX3ak31:mb/HD/AEw4jzptH/uEFWP31
Threatray 14'971 similar samples on MalwareBazaar
TLSH T18F441249F560C83BFDB306B2A4762776EDDC7B5509B10E0B83906948BAB16C1CA0F7D6
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter DSTLabs
Tags:exe FormBook sansisc


Avatar
DSTLabs
Downloaded by: 1c8cfccd2e45ea898125a62686ee97a1e923dfbbc8652889027d46b04aa5dc75

Intelligence

File Origin
# of uploads :
1
# of downloads :
280
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
pe
Verdict:
Malicious activity
Analysis date:
2022-10-22 19:45:21 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/f63a3f84-5a87-4cfc-80e1-ac6ff3920541

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/322747/
Detection(s):
SecuriteInfo.com.Trojan.Siggen18.62244.30015.12697.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for synchronization primitives
Creating a file
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Launching a process
Searching for the window
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Creating a file in the Program Files subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/44510/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63544840898b0652a4b96205/reports/7c48fd67-47ad-4430-b01f-aa4fa3440d3e/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e540211d-3c68-480a-ac10-da9beba45511
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1095613
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates multiple autostart registry keys
Found hidden mapped module (file has been removed from disk)
Machine Learning detection for dropped file
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 domain / URL
Multi AV Scanner detection for dropped file
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses netsh to modify the Windows network and firewall settings
Uses netstat to query active network connections and open ports
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 728254 Sample: pe.exe Startdate: 22/10/2022 Architecture: WINDOWS Score: 100 78 www.casualshoes-d.site 2->78 94 Multi AV Scanner detection for domain / URL 2->94 96 Malicious sample detected (through community Yara rule) 2->96 98 Antivirus detection for URL or domain 2->98 100 6 other signatures 2->100 11 pe.exe 18 2->11         started        signatures3 process4 file5 58 C:\Users\user\AppData\Local\Temp\glmrer.exe, PE32 11->58 dropped 14 glmrer.exe 1 4 11->14         started        process6 file7 74 C:\Users\user\AppData\...\pfedltqx.exe, PE32 14->74 dropped 76 C:\Users\user\AppData\Local\Temp\2546.tmp, PE32 14->76 dropped 128 Multi AV Scanner detection for dropped file 14->128 130 Machine Learning detection for dropped file 14->130 132 Creates multiple autostart registry keys 14->132 134 Found hidden mapped module (file has been removed from disk) 14->134 18 glmrer.exe 14->18         started        21 WerFault.exe 23 9 14->21         started        23 conhost.exe 14->23         started        signatures8 process9 signatures10 86 Modifies the context of a thread in another process (thread injection) 18->86 88 Maps a DLL or memory area into another process 18->88 90 Sample uses process hollowing technique 18->90 92 Queues an APC in another process (thread injection) 18->92 25 explorer.exe 4 18->25 injected process11 dnsIp12 80 www.fluyama.com 217.160.0.249, 49706, 49707, 49709 ONEANDONE-ASBrauerstrasse48DE Germany 25->80 82 myrgroupinc.com 64.20.56.162, 49710, 49711, 49712 IS-AS-1US United States 25->82 84 4 other IPs or domains 25->84 108 System process connects to network (likely due to code injection or exploit) 25->108 110 Uses netstat to query active network connections and open ports 25->110 112 Uses netsh to modify the Windows network and firewall settings 25->112 29 pfedltqx.exe 3 25->29         started        33 NETSTAT.EXE 25->33         started        35 pfedltqx.exe 2 25->35         started        37 4 other processes 25->37 signatures13 process14 file15 60 C:\Users\user\AppData\Local\Temp\3558.tmp, PE32 29->60 dropped 62 C:\Users\user\AppData\Local\Temp\28D4.tmp, PE32 29->62 dropped 114 Multi AV Scanner detection for dropped file 29->114 116 Machine Learning detection for dropped file 29->116 118 Found hidden mapped module (file has been removed from disk) 29->118 39 pfedltqx.exe 29->39         started        42 WerFault.exe 10 29->42         started        44 conhost.exe 29->44         started        46 pfedltqx.exe 29->46         started        120 Tries to steal Mail credentials (via file / registry access) 33->120 122 Creates multiple autostart registry keys 33->122 124 Tries to harvest and steal browser information (history, passwords, etc) 33->124 126 2 other signatures 33->126 64 C:\Users\user\AppData\Local\Temp\4351.tmp, PE32 35->64 dropped 48 pfedltqx.exe 35->48         started        50 WerFault.exe 10 35->50         started        52 conhost.exe 35->52         started        66 C:\Users\user\AppData\Local\Temp\61B4.tmp, PE32 37->66 dropped 68 C:\Users\user\AppData\Local\Temp\5B6A.tmp, PE32 37->68 dropped 70 C:\Users\user\AppData\Local\Temp\50AB.tmp, PE32 37->70 dropped 72 2 other malicious files 37->72 dropped 54 conhost.exe 37->54         started        56 8 other processes 37->56 signatures16 process17 signatures18 102 Modifies the context of a thread in another process (thread injection) 39->102 104 Maps a DLL or memory area into another process 39->104 106 Sample uses process hollowing technique 39->106
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dbb94e1600394c42f2ded11d1611b02c2536bf0334f3e5ece1fe309b76fdb560/
Threat name:
Win32.Trojan.NSISInject
Create hunting rule
Status:
Malicious
First seen:
2022-10-21 10:07:57 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3o4u4fqahfgef4w62eormenqfqstnpydgtz6l3hb7yyjw5x5wvqa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
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7ca3b28aa32d6b9bd972c430c47691db7212f9fd7b713c3ff2fab8b10a0bd66a
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8af9276a69ab25e20e96921b19b6d3dd4b8d15c7472addbad8a89757fe4251ef
Formbook
9deb843c2acb12488c174fd87435431dcc1fac8c1fe33e55aa603cfe3e013c77
Formbook
+ 14'961 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ubpr persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/221022-ygdhaaedg4/
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
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Executes dropped EXE
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2e22df85-efc8-459c-a719-2b773dd831c2
Unpacked files
SH256 hash:
a9b9dd5b3026334533297a592465c4b85d04fc64bed66a7ac8aaf7d91341e40a
MD5 hash:
e56e615404ddfc441c20857a11d7583c
SHA1 hash:
0e7a639fc705523faf113cec3ae5fe87af039859
Link:
https://www.unpac.me/results/9c7b6622-a3f8-4310-91cb-d56912993a82/
SH256 hash:
6e62b0a24b96eee7b48130e8f207cc3aaf500eae767adeb159931a4089c39b82
MD5 hash:
9a23bbdb82bbf929abdca21b43e1afbe
SHA1 hash:
badacd636f5b57b944d2a44d6ebc09127117ad3a
Link:
https://www.unpac.me/results/9c7b6622-a3f8-4310-91cb-d56912993a82/
SH256 hash:
dbb94e1600394c42f2ded11d1611b02c2536bf0334f3e5ece1fe309b76fdb560
MD5 hash:
7d5af44857d6ff56049f76e9542520fe
SHA1 hash:
40befd09b59e2a8a968a258087d5d22da7aca0c6
Link:
https://www.unpac.me/results/9c7b6622-a3f8-4310-91cb-d56912993a82/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/dbb94e1600394c42f2ded11d1611b02c2536bf0334f3e5ece1fe309b76fdb560

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe dbb94e1600394c42f2ded11d1611b02c2536bf0334f3e5ece1fe309b76fdb560

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/322747/
  
URLhaus
https://urlhaus.abuse.ch/url/2379335/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2378411/
  
URLhaus
https://urlhaus.abuse.ch/url/2379236/
  
URLhaus
https://urlhaus.abuse.ch/url/2379534/
  
URLhaus
https://urlhaus.abuse.ch/url/2379319/

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