MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f8c4b0bdfb68f353324fff65e4c97104d65d1f7f1bdf2202781c0a6a9dd3137. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
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SHA256 hash: 1f8c4b0bdfb68f353324fff65e4c97104d65d1f7f1bdf2202781c0a6a9dd3137
SHA3-384 hash: 0eda1eac793e600123cf40db354470b62d9755d2992a7d0b6d417686c69922e2ad4f6e91fd6f793d72e4eb30697ffa85
SHA1 hash: 31f87dcf550cfcb5eb5c73ad41b8283814601f3d
MD5 hash: d53e454c17cc05a904a02b2a7eb5bbf7
humanhash: ack-minnesota-mockingbird-potato
File name:Request.exe
Download: download sample
Signature Formbook
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File size:1'169'408 bytes
First seen:2021-08-13 13:06:17 UTC
Last seen:Never
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:uA+DvEEZK/ISbmudUQxVseqBaHoQHyB1n0j9NOsKYNuzL0JWMA6mOKItpKsi5R:gYEZ+IS1t7s1QSn0jfPNuyjA6mV
Threatray 7'757 similar samples on MalwareBazaar
TLSH T17145813C29FD263FC0A6D671CBE28C13B00168AF7121AD5594C7176E532AA5376C72BE
dhash icon 70f0eab2e0ecf070 (15 x AgentTesla, 9 x Loki, 7 x Formbook)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
229
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Request.exe
Verdict:
Malicious activity
Analysis date:
2021-08-13 13:09:07 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/7163e977-974f-46f3-bf73-fd858dd75c7d

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/178983/
Detection(s):
SecuriteInfo.com.Trojan.Siggen14.59996.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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/0a11aeaa-2371-4096-b16e-3cfae867d167
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/832417
Signature
Adds a directory exclusion to Windows Defender
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Defender Exclusion
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 464844 Sample: Request.exe Startdate: 13/08/2021 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 8 other signatures 2->44 9 Request.exe 4 2->9         started        process3 file4 32 C:\Users\user\AppData\...\Request.exe.log, ASCII 9->32 dropped 54 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 9->54 56 Adds a directory exclusion to Windows Defender 9->56 58 Tries to detect virtualization through RDTSC time measurements 9->58 60 Injects a PE file into a foreign processes 9->60 13 Request.exe 9->13         started        16 powershell.exe 26 9->16         started        signatures5 process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 13->62 64 Maps a DLL or memory area into another process 13->64 66 Sample uses process hollowing technique 13->66 68 Queues an APC in another process (thread injection) 13->68 18 cmd.exe 13->18         started        21 explorer.exe 13->21 injected 24 autochk.exe 13->24         started        26 conhost.exe 16->26         started        process8 dnsIp9 46 Modifies the context of a thread in another process (thread injection) 18->46 48 Maps a DLL or memory area into another process 18->48 50 Tries to detect virtualization through RDTSC time measurements 18->50 28 cmd.exe 1 18->28         started        34 www.pinkdogink.com 101.32.26.254, 49728, 80 TENCENT-NET-AP-CNTencentBuildingKejizhongyiAvenueCN China 21->34 36 www.touchpaddles.com 45.39.23.141, 49729, 80 EGIHOSTINGUS United States 21->36 52 System process connects to network (likely due to code injection or exploit) 21->52 signatures10 process11 process12 30 conhost.exe 28->30         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/1f8c4b0bdfb68f353324fff65e4c97104d65d1f7f1bdf2202781c0a6a9dd3137/
Threat name:
ByteCode-MSIL.Trojan.Sabsik
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Status:
Malicious
First seen:
2021-08-13 13:06:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
14 of 46 (30.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d6gewc67w2htkmze773f4texcbgwlupx6g67eibhqhaknko5ge3q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0119464081f8d755756760500cf89e722a10fdb5fedcd3fc9a7751b8cebeea55
Formbook
2c47578888771c1f957517acf60459359b4e31938545f73c872dde24138171b1
Formbook
6b0f6ed4f13b5d6c7b973bd22941de1535ae580960940656b671f3b991c972a6
Formbook
7fe042e93ace8e9e3ac6c6b4f14847addc613c3c710a3e2bb63d36e4e188ec72
Formbook
8943af6c4da94f93c169ef98a7b8393ca92b01753e89ea5503d5740bcc45296d
Formbook
98f8f84dbf9e3a4462066c94e447ba3bdc6bc3d0119511e8c6d6cea0234f885c
Formbook
9b9218d3692f38654cde45d5a9b01a6d5cb83aa5442c286fc4e073a6348e08d1
Formbook
caae480439293c7be6bb9ca27621f5b99c7391d6b7fddc179d5f5627c6144d08
Formbook
+ 7'747 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:iesm evasion rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210813-hr72a1fakx/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Deletes itself
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.htmlemailrepair.com/iesm/
Unpacked files
SH256 hash:
0aaf0c8bf0c2260d5a46a81661b83ff7992d07436f2e6dd1430702f40cde34ef
MD5 hash:
84b272b822f3b0b01c4e8ef020b89d01
SHA1 hash:
71905be10bf525bc948f9803470403767461e6bd
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/420bf3e4-aa41-4643-a036-6ed02bd1fa62/
Parent samples :
6b0f6ed4f13b5d6c7b973bd22941de1535ae580960940656b671f3b991c972a6
2c47578888771c1f957517acf60459359b4e31938545f73c872dde24138171b1
7fe042e93ace8e9e3ac6c6b4f14847addc613c3c710a3e2bb63d36e4e188ec72
1f8c4b0bdfb68f353324fff65e4c97104d65d1f7f1bdf2202781c0a6a9dd3137
SH256 hash:
b729c75f7e99681f7d6458e0c2ac0b5a5470e1262b0697f018fe4c92f80a08ad
MD5 hash:
dfc8b18b8683531c536a7f2d155bf335
SHA1 hash:
fda0a3807ccc66851da9482020a58bed8f594522
Link:
https://www.unpac.me/results/420bf3e4-aa41-4643-a036-6ed02bd1fa62/
SH256 hash:
33ac6b8012ce739e72022086b5d39b7fc030c20fa72988f76957685509d5c041
MD5 hash:
83f8ae95a7e6f016f6b00482588086e6
SHA1 hash:
70392939d6d60a913b51084ec1d98eaae8ca4868
Link:
https://www.unpac.me/results/420bf3e4-aa41-4643-a036-6ed02bd1fa62/
SH256 hash:
1f8c4b0bdfb68f353324fff65e4c97104d65d1f7f1bdf2202781c0a6a9dd3137
MD5 hash:
d53e454c17cc05a904a02b2a7eb5bbf7
SHA1 hash:
31f87dcf550cfcb5eb5c73ad41b8283814601f3d
Link:
https://www.unpac.me/results/420bf3e4-aa41-4643-a036-6ed02bd1fa62/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/1f8c4b0bdfb6/report/overview.html
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/1f8c4b0bdfb68f353324fff65e4c97104d65d1f7f1bdf2202781c0a6a9dd3137

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:pe_imphash
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Rule name:Skystars_Malware_Imphash
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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
Cape
Cape
https://www.capesandbox.com/analysis/178983/

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