MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da9e890626946b96039a20cc107a0f7f0bc13440d9ede74799b6f9a2514e3759. 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 3 File information Comments
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SHA256 hash: da9e890626946b96039a20cc107a0f7f0bc13440d9ede74799b6f9a2514e3759
SHA3-384 hash: f99c223af640cb6ff6d6095c20059628b6df50a5336de7716bb60d5cdd76159b10069c943cd4ddedfd88e69639cf2029
SHA1 hash: 2a7337bce5c75bc20f807c4fdb2b8f14fcbe07c3
MD5 hash: 509583007c29107788390b8645619e0c
humanhash: mars-kansas-colorado-angel
File name:ERLMSN807768.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:594'080 bytes
First seen:2021-12-08 22:09:48 UTC
Last seen:2021-12-09 00:26:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:vGiErek258/sr2HfTUQgkZ0B8EJwWvKOUYJoPfr1Hz96enkOAiL23i1FO2h4/U2V:MrJ/sqdYnNJCfR9nkgLui62halZbh
Threatray 12'193 similar samples on MalwareBazaar
TLSH T1FEC42204B6E1B51ED09309B92C37C97AD37C6C2A03550B9B7798BF7FAF36A940A00755
File icon (PE):PE icon
dhash icon 01e8a99860e3cb00 (2 x Formbook)
Reporter Racco42
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ERLMSN807768.exe
Verdict:
Malicious activity
Analysis date:
2021-12-08 22:13:25 UTC
Tags:
installer trojan formbook stealer
Link:
https://app.any.run/tasks/9bc577d7-9f20-4164-b30f-4735e24d4bf0

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/212633/
Detection(s):
SecuriteInfo.com.Trojan.Siggen16.1993.26738.21601.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Searching for synchronization primitives
Sending a custom TCP request
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
DNS request
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/1379/overview
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
60%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/61b12d3efa72c81b5b125b25/reports/52c9979d-a715-44c3-a938-4117cde1c1ce/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:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/073f1a1f-086d-4788-96d9-2c758a44f859
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/904278
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Self deletion via cmd delete
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 dnsIp2 2 Behavior Graph ID: 536756 Sample: ERLMSN807768.exe Startdate: 08/12/2021 Architecture: WINDOWS Score: 100 33 www.363861.space 2->33 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 3 other signatures 2->47 11 ERLMSN807768.exe 17 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\Temp\...\jkdq.dll, PE32 11->31 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 ERLMSN807768.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.3f8u3amazon.com 199.34.228.69, 49770, 80 WEEBLYUS United States 18->35 37 www.grdaaccts.com 202.165.66.108, 49779, 80 VPIS-APVADSManagedBusinessInternetServiceProviderMY Australia 18->37 39 www.com-tx.info 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 cmd.exe 18->22         started        25 autoconv.exe 18->25         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/da9e890626946b96039a20cc107a0f7f0bc13440d9ede74799b6f9a2514e3759/
Threat name:
Win32.Trojan.SpyNoon
Create hunting rule
Status:
Malicious
First seen:
2021-12-08 09:48:27 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
23 of 45 (51.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3kpisbrgsrvzma42edgba6qpp4f4cnca3hw6or4zw342eukog5mq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0123fdb2e8de200e6fa07cd5c254771143b7d9fea4f6895077b4f609fc5ae1cf
Formbook
26b24cfe3b0bb84b26fc83ce689b74728ac61f32391772dcc76eab04cc7042b5
Formbook
6cd342f13d56b8bc1d8b1346e3289f7feab428a0a75cfcea4bb31a8c452adf01
Formbook
7f15af6ad30b84b5047a47d92a2319b1043dc00576d80a5cae1e8a23fcb97854
Formbook
8cacd20da785153237d5602e9fb15f7d18343b16e37dfbbf36b549e89a93378f
Formbook
9b9e383f7635be680129b113ad1e827c61e2e2cf1ce7ccccd2f09b9a0a546494
Formbook
dfa895fe8d8da53e7f3c0466a7e88aa5d36f1a781675d03b0c7400847a0b4f6b
Formbook
fc8ec4a937b2d3276cdde946271549637951884db2c5ce2752715b37a75658cd
Formbook
+ 12'183 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:m3k1 rat spyware stealer trojan
Link:
https://tria.ge/reports/211208-13c5rahfc3/
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.com-tx.info/m3k1/
Unpacked files
SH256 hash:
da9e890626946b96039a20cc107a0f7f0bc13440d9ede74799b6f9a2514e3759
MD5 hash:
509583007c29107788390b8645619e0c
SHA1 hash:
2a7337bce5c75bc20f807c4fdb2b8f14fcbe07c3
Link:
https://www.unpac.me/results/57e6a8e9-30d9-4241-a5a9-cdd10b08f27a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
Link:
https://yomi.yoroi.company/submissions/da9e890626946b96039a20cc107a0f7f0bc13440d9ede74799b6f9a2514e3759

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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.

Malspam

Formbook

Executable exe da9e890626946b96039a20cc107a0f7f0bc13440d9ede74799b6f9a2514e3759

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/212633/

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