MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0275a656ff74fdcee7ba3c0a44ad1e23172583dac607c705276da007e180a20a. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0275a656ff74fdcee7ba3c0a44ad1e23172583dac607c705276da007e180a20a
SHA3-384 hash: 79404d61adb62eff0398e5bc077835011c5c07a170dbda95f4e69c3868f40b4797266a9b21ff061ce6a34d2850d9119a
SHA1 hash: de22f8d1102c8bcd5bac9658c044d2208aaac7e4
MD5 hash: e55a21bb0ee83b991ab044b161a36a0d
humanhash: enemy-salami-item-ceiling
File name:New Doc 2021-04-03 1.31.05.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:722'944 bytes
First seen:2021-04-04 01:25:17 UTC
Last seen:2021-04-04 15:14:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:50HREBWZa5cCajQime9VgKOWqzj7DyFTmm7b+/L4dSH0:sEBWEeCaj5me9VJOlDWFDb+zD
Threatray 4'374 similar samples on MalwareBazaar
TLSH 8AF4CF2133A49F6AF53EE7B994240504D7F3E84BE731E68E7EA500DE1861F848766E13
Reporter GovCERT_CH
Tags:FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
278
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New Doc 2021-04-03 1.31.05.exe
Verdict:
Suspicious activity
Analysis date:
2021-04-04 01:25:57 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/50066fcf-eccd-4615-b6fc-787f018302dc

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/132046/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.623-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a UDP request
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/9ff05678-3921-49a1-92b5-824f93807551
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/665439
Signature
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
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 ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 381647 Sample: New Doc 2021-04-03 1.31.05.exe Startdate: 04/04/2021 Architecture: WINDOWS Score: 100 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 8 other signatures 2->46 10 New Doc 2021-04-03 1.31.05.exe 3 2->10         started        process3 file4 32 C:\...32ew Doc 2021-04-03 1.31.05.exe.log, ASCII 10->32 dropped 58 Injects a PE file into a foreign processes 10->58 14 New Doc 2021-04-03 1.31.05.exe 10->14         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 14->17 injected process8 dnsIp9 34 leonelorrala.com 107.180.34.197, 49729, 80 AS-26496-GO-DADDY-COM-LLCUS United States 17->34 36 petrahappycorner.club 184.168.103.64, 49738, 80 AS-26496-GO-DADDY-COM-LLCUS United States 17->36 38 5 other IPs or domains 17->38 48 System process connects to network (likely due to code injection or exploit) 17->48 50 Uses ipconfig to lookup or modify the Windows network settings 17->50 21 ipconfig.exe 17->21         started        24 autofmt.exe 17->24         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 26 cmd.exe 1 21->26         started        28 conhost.exe 24->28         started        process13 process14 30 conhost.exe 26->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0275a656ff74fdcee7ba3c0a44ad1e23172583dac607c705276da007e180a20a/
Threat name:
Win32.Trojan.GenericML
Create hunting rule
Status:
Malicious
First seen:
2021-04-03 02:56:02 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=aj22mvx7ot645z52hqfejli6emlsla62yyd4objhnwqapymauifa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
03848de49d7467899cfc173e6e52e8b2a8e473a35576e052531c58b2145dbda3
Formbook
48e99b563e3e2daea132c5da122ad630f6015456ac58d4fe86f9dc65f6a0c943
Formbook
6c2f5bf673b3bbc31cf425259cd5a0262094e85a8bed03714c7b39712efc4beb
Formbook
730b276576659ea2bc17aee5e92f2cc5b9aecf9ade5f03816bde0023a783b545
Formbook
770710adcc9c97316e0f43dcc99ef1561dfe8ec086a1514d4c3d7d0d90b24181
Formbook
8fcade822dc1b07f474d920e50e3030f491983aad270ad6b9bb68755eb17998c
Formbook
9f1090c3e94e75b134c1aa55b5e8e2b6ac9b706cd27e0bb1cc44ef4b49f27c66
Formbook
acbc661362c5c74ea45dec851dc46faf865715f15df064f722d945af8a293563
Formbook
c5ad7c8c7e25d194c60bf2c6eb8fa74f7ebe319a5e1727676a2470947dc8f331
Formbook
dd4d1da7c146e47e25b601cba1d6f324eace694055d43e1c67288df6a0ea1951
Formbook
+ 4'364 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210404-sb3jvaqtza/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.otokoikon.com/vsk9/
Unpacked files
SH256 hash:
6590b9ec4fa84e44c372fda26f47d6d58859d74869621c6bdd4086e6ae411379
MD5 hash:
95dfa1a9015a17a1d49b4faa3f3d999d
SHA1 hash:
427b72727b28436554d0443d797f19b2ea37cc16
Link:
https://www.unpac.me/results/7003eb9b-9f3b-493f-9a2c-ebcf8dc7c7b2/
SH256 hash:
0275a656ff74fdcee7ba3c0a44ad1e23172583dac607c705276da007e180a20a
MD5 hash:
e55a21bb0ee83b991ab044b161a36a0d
SHA1 hash:
de22f8d1102c8bcd5bac9658c044d2208aaac7e4
Link:
https://www.unpac.me/results/7003eb9b-9f3b-493f-9a2c-ebcf8dc7c7b2/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/0275a656ff74fdcee7ba3c0a44ad1e23172583dac607c705276da007e180a20a

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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

File information

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

Malspam

Formbook

zip 0fd85d370dd4148d0f4bd09dcdb755462adb177d47be471f10b09e08091d14b3

Formbook

Executable exe 0275a656ff74fdcee7ba3c0a44ad1e23172583dac607c705276da007e180a20a

(this sample)

  
Dropped by
MD5 a3386fa65434e27d421bf98194aa2f60
  
Dropped by
SHA256 0fd85d370dd4148d0f4bd09dcdb755462adb177d47be471f10b09e08091d14b3
  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/132046/

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