MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4a3914ac9102ab0d688d9ea29c833ca8f41aef33ee6aa4fb384113f9250c743. 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: 13


Intelligence 13 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c4a3914ac9102ab0d688d9ea29c833ca8f41aef33ee6aa4fb384113f9250c743
SHA3-384 hash: d32ce912f44c141b87154bc85b021132bb8115c9f108d3a9c905f94e61b4779e55f717184604684b1382d9e47c866c65
SHA1 hash: 985b621374e892a03892462f213b1b60356e4530
MD5 hash: 6763bad1579fad1da828a824fe49110c
humanhash: zulu-lake-pennsylvania-hotel
File name:PMT402200318,PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:437'678 bytes
First seen:2021-11-30 10:24:23 UTC
Last seen:2021-11-30 11:35:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:6GitmpZsOfAAQUU8HcfqE8TclEgN4Ze9I9boTimK2YBqxbWLPHVssOSaSZEoAxd7:BVf54PfYTclEgNgSvYxCRhSZEoedc+
Threatray 11'936 similar samples on MalwareBazaar
TLSH T11994E093B5404427D10337B2B83FDA2060591EAF93B3DE074B4B7DA279B3687185BE46
File icon (PE):PE icon
dhash icon a18989898888a889 (1 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
154
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PMT402200318,PDF.exe
Verdict:
Malicious activity
Analysis date:
2021-11-30 10:27:55 UTC
Tags:
installer trojan formbook stealer
Link:
https://app.any.run/tasks/bde11f9d-2a75-48ad-a2cd-c47bd984cbb0

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/209879/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.1.11353.8968.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Searching for synchronization primitives
DNS request
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Reading critical registry keys
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  0/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/345/overview
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
60%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/61a5fc01effcae2254f56567/reports/69af1cff-3ff2-402f-be0f-7507bfe06c10/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:
Unknown
Link:
https://analyze.intezer.com/analyses/64c005e5-4f1a-445d-ac8f-cdf734314e67
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/898599
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)
Multi AV Scanner detection for domain / URL
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
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 531077 Sample: PMT402200318,PDF.exe Startdate: 30/11/2021 Architecture: WINDOWS Score: 100 33 www.littleonesclub.com 2->33 35 littleonesclub.com 2->35 45 Multi AV Scanner detection for domain / URL 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 3 other signatures 2->51 11 PMT402200318,PDF.exe 17 2->11         started        15 explorer.exe 118 2->15         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\sbvxmu.dll, PE32 11->31 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 17 PMT402200318,PDF.exe 11->17         started        signatures6 process7 signatures8 37 Modifies the context of a thread in another process (thread injection) 17->37 39 Maps a DLL or memory area into another process 17->39 41 Sample uses process hollowing technique 17->41 43 Queues an APC in another process (thread injection) 17->43 20 explorer.exe 17->20 injected process9 process10 22 cmmon32.exe 20->22         started        signatures11 53 Self deletion via cmd delete 22->53 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 25 cmd.exe 1 22->25         started        27 explorer.exe 1 156 22->27         started        process12 process13 29 conhost.exe 25->29         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/c4a3914ac9102ab0d688d9ea29c833ca8f41aef33ee6aa4fb384113f9250c743/
Threat name:
Win32.Trojan.Nsisx
Create hunting rule
Status:
Malicious
First seen:
2021-11-30 10:25:13 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
7 of 44 (15.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ysrzcswjcavlbvui3hvctsbtzkhudlxth3tkut5tqqit7esqy5bq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2f25dc177ece107801390643c83b2cd626653f102df7f6ea5dc767e2b8d48c08
Formbook
425d46c51bf681a37b1f34a602ebf6c7f571060bf698e70f2fd495169f804f92
Formbook
4cc5a0fb10d6235a197da2d08df9af6afae59ceaffb0c7054cfb087eb5c039b6
Formbook
5aad7a3f3d55c4741d8a79b59e0e9f922d375adab9f998ababc03a88a2feb27c
Formbook
5dad6b254fb40bb4c090f5048e07da656821a4b6b163c6548287c3d91dcfda45
Formbook
8ddc14ac94185fbe27b3764fb4e24fd8c25626a465074e8f640955a6f3409c08
Formbook
+ 11'926 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:b3n1 rat spyware stealer trojan
Link:
https://tria.ge/reports/211130-mfyw2shgg4/
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.teslabotnews.com/b3n1/
Unpacked files
SH256 hash:
c4a3914ac9102ab0d688d9ea29c833ca8f41aef33ee6aa4fb384113f9250c743
MD5 hash:
6763bad1579fad1da828a824fe49110c
SHA1 hash:
985b621374e892a03892462f213b1b60356e4530
Link:
https://www.unpac.me/results/53525705-c1b8-4f12-bc88-244c88124341/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/c4a3914ac910/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.47
Link:
https://yomi.yoroi.company/submissions/c4a3914ac9102ab0d688d9ea29c833ca8f41aef33ee6aa4fb384113f9250c743

File information

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

Malspam

Formbook

Executable exe c4a3914ac9102ab0d688d9ea29c833ca8f41aef33ee6aa4fb384113f9250c743

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/209879/

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