MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 284109ea975076b9b654c42fb3118beb045a44934d4bc62024c32c365e98892d. 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
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SHA256 hash: 284109ea975076b9b654c42fb3118beb045a44934d4bc62024c32c365e98892d
SHA3-384 hash: 7a2ad500e8d84b643596fb7d47c16957dbdedccab48b5f2a4b52fa3d7798d309730119a6f01a5b15ea27f3c16da7bda9
SHA1 hash: 0dd36acc8a8b948f7dc029eacff1e0bb94362610
MD5 hash: a5beff90b568616fc03de4309f6ce909
humanhash: mango-snake-jersey-november
File name:Remittance copy-pdf-.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:627'200 bytes
First seen:2022-06-01 07:13:53 UTC
Last seen:2022-06-01 09:18:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:3/DAaggrUT5IkIMJzx8/jW6cXFGhlzXsUUqJ9uMSO:Uf285lVJV8/jW6cXFGhJXse9WO
Threatray 13'671 similar samples on MalwareBazaar
TLSH T181D41335AE7C1935E5FF1974E0B3A14823764507B626EF2F4B909CCE28567000E9ABDB
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
288
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Remittance copy-pdf-.exe
Verdict:
Malicious activity
Analysis date:
2022-06-01 07:20:10 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/0265c329-adb6-4ecb-bf3c-1e313a18e094

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/275922/
Detection(s):
SecuriteInfo.com.Trojan.Siggen17.61056.17578.4799.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6e71507e-c634-4551-aca5-4f7669985a03
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1004822
Signature
.NET source code contains potential unpacker
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 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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd or bat file
Snort IDS alert for network traffic
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
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 637319 Sample: Remittance copy-pdf-.exe Startdate: 01/06/2022 Architecture: WINDOWS Score: 100 45 www.wakkerguest.xyz 2->45 51 Snort IDS alert for network traffic 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 14 other signatures 2->57 11 Remittance copy-pdf-.exe 7 2->11         started        signatures3 process4 file5 37 C:\Users\user\AppData\Roaming\lzZJmSthS.exe, PE32 11->37 dropped 39 C:\Users\...\lzZJmSthS.exe:Zone.Identifier, ASCII 11->39 dropped 41 C:\Users\user\AppData\Local\...\tmp9553.tmp, XML 11->41 dropped 43 C:\Users\...\Remittance copy-pdf-.exe.log, ASCII 11->43 dropped 63 Adds a directory exclusion to Windows Defender 11->63 65 Injects a PE file into a foreign processes 11->65 15 Remittance copy-pdf-.exe 11->15         started        18 powershell.exe 21 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 75 Modifies the context of a thread in another process (thread injection) 15->75 77 Maps a DLL or memory area into another process 15->77 79 Sample uses process hollowing technique 15->79 81 Queues an APC in another process (thread injection) 15->81 22 explorer.exe 15->22 injected 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        process9 dnsIp10 47 www.openinovationhackbook.com 22->47 49 openinovationhackbook.com 34.102.136.180, 49797, 80 GOOGLEUS United States 22->49 59 System process connects to network (likely due to code injection or exploit) 22->59 61 Uses netsh to modify the Windows network and firewall settings 22->61 30 netsh.exe 22->30         started        signatures11 process12 signatures13 67 Self deletion via cmd or bat file 30->67 69 Modifies the context of a thread in another process (thread injection) 30->69 71 Maps a DLL or memory area into another process 30->71 73 Tries to detect virtualization through RDTSC time measurements 30->73 33 cmd.exe 1 30->33         started        process14 process15 35 conhost.exe 33->35         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/284109ea975076b9b654c42fb3118beb045a44934d4bc62024c32c365e98892d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-01 00:48:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fbaqt2uxkb3ltnsuyqx3geml5mcfuretjvf4mibeymwdmxuyrewq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1cd33724c01b65b8d262ba93e03a496927476307c7f69ca092eb930ab5c2d0c4
Formbook
441c12b87bca3daf36a571d93fa052b1cb47d9f6b1f80ef22ead84a1961ec66d
Formbook
5027f6ad1cd2f9f50c7965fa2f959f93c4b199f4232c5b9f7f8a15406b57ec1c
Formbook
5648a6a5a1455be6a8a9cb1b416aaeaed41e4fb9457d5811fd7c8b5f8318f6e0
Formbook
57f01cdded3c545f55b5dc74630fc7cb9679abe58949e706bef98014f6578ab4
Formbook
b6977327ba4fd222c6e98fb0c3989e20b28fe4d460ad2b2201e4ba13fe7b8441
Formbook
b844435235a5eb37ef8ddfbde5694104bb1d2faef4220739997f5bea28361c15
Formbook
cba6f82874cfbafe61ef0cc5491e9d11aa8aba58a4df9b3eb738ceef2da0e828
Formbook
+ 13'661 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ae25 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220601-h2m98aagbq/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
930ad9d2cb793005580bfce82af3f49650d738e691a6a9aef537d8d3d47516a1
MD5 hash:
d1c4c7f310fb64891a1cdfedd62eeed1
SHA1 hash:
9b89d545bb9b25dd43fba3eb0b695ce186c29271
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/05b47674-8cae-4625-b72a-3ba1cfbded2e/
Parent samples :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 hash:
2f56212a08efe70e30f4f04baba54551171db93470770bb628df8977e414a580
MD5 hash:
5750cc45cdbcd7a51f1b0aa4fc58873e
SHA1 hash:
808b48fc450cf008d38bd1b89d0665dcb86f5baf
Link:
https://www.unpac.me/results/05b47674-8cae-4625-b72a-3ba1cfbded2e/
SH256 hash:
879c29560b21be7d9b69ca27ca4756df86e080fa3e34cb191aad5cb1e5f05504
MD5 hash:
30b6a54a992eae921a2eb8c5ea130911
SHA1 hash:
1c83f0319bffe007077c6656418c9b7344d5affe
Link:
https://www.unpac.me/results/05b47674-8cae-4625-b72a-3ba1cfbded2e/
SH256 hash:
6dea1252aee3f6e71d6f4960fdcb73b116d3df726a05462bb38b144cefd2e85a
MD5 hash:
cd0f81df0ceac498b8e8e063eab86ce6
SHA1 hash:
0ecf80aa28e2709f37c47f1a4d61fe143aa7bf46
Link:
https://www.unpac.me/results/05b47674-8cae-4625-b72a-3ba1cfbded2e/
SH256 hash:
284109ea975076b9b654c42fb3118beb045a44934d4bc62024c32c365e98892d
MD5 hash:
a5beff90b568616fc03de4309f6ce909
SHA1 hash:
0dd36acc8a8b948f7dc029eacff1e0bb94362610
Link:
https://www.unpac.me/results/05b47674-8cae-4625-b72a-3ba1cfbded2e/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/284109ea9750/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/284109ea975076b9b654c42fb3118beb045a44934d4bc62024c32c365e98892d

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 284109ea975076b9b654c42fb3118beb045a44934d4bc62024c32c365e98892d

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/275922/

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