MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fcaa502268e22400e98ae6f0842b7cf3598cf5a920c09a0d74996bdb64add249. 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: fcaa502268e22400e98ae6f0842b7cf3598cf5a920c09a0d74996bdb64add249
SHA3-384 hash: 4aaeeeb914e4502060a46c38252f47b80c7cf00f414c472ac3bcf9d551d443283afa74eb466277c949fb2a52b10b103b
SHA1 hash: ad34c455b8152cfb261970db63b812f3b74e7d93
MD5 hash: 8b1b41a27076e994863828472dc801c7
humanhash: mike-golf-zebra-avocado
File name:INQUIRY SUBMITTAL_ADM SWITZERLAND.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:555'008 bytes
First seen:2021-11-10 18:20:44 UTC
Last seen:2021-11-12 09:39:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:XEZPlla6uvoYu+ihAyW6ukqaYo5dANS+7k:XuMLoDPhAQuk1Y4duD7
Threatray 11'175 similar samples on MalwareBazaar
TLSH T1C6C4E0A53F6CCE21E0959DF8B661A18629B0F503163DFFA6AED00E5909EC3F3158D067
File icon (PE):PE icon
dhash icon c492e8f4ece0d8ec (3 x Formbook, 3 x AgentTesla, 1 x RemcosRAT)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
113
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/204858/
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/618c0d8f175442ca93ab0404/reports/bd7657b9-fc78-4ed3-b2e5-09e1681af321/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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c40f1e48-4751-4eee-960b-84132646b97c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/887062
Signature
.NET source code contains potential unpacker
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 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 dnsIp2 2 Behavior Graph ID: 519533 Sample: INQUIRY SUBMITTAL_ADM SWITZ... Startdate: 10/11/2021 Architecture: WINDOWS Score: 100 31 www.er5544.com 2->31 33 80.enzuidc.com 2->33 35 2 other IPs or domains 2->35 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 7 other signatures 2->49 11 INQUIRY SUBMITTAL_ADM SWITZERLAND.exe 3 2->11         started        signatures3 process4 file5 29 INQUIRY SUBMITTAL_...SWITZERLAND.exe.log, ASCII 11->29 dropped 61 Injects a PE file into a foreign processes 11->61 15 INQUIRY SUBMITTAL_ADM SWITZERLAND.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 37 pumateam04.com 156.67.208.110, 49793, 80 AS-HOSTINGERLT Cyprus 18->37 39 www.pumateam04.com 18->39 41 2 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 chkdsk.exe 18->22         started        signatures11 process12 signatures13 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        process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fcaa502268e22400e98ae6f0842b7cf3598cf5a920c09a0d74996bdb64add249/
Threat name:
Win32.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-11-10 18:21:04 UTC
AV detection:
10 of 44 (22.73%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7svfaiti4isab2mk43yiik346nmyz5njedajudlutfv5wzfn2jeq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2a2187ae775f286c2400957b71aac1c550779fc6652a710d126546d4d4879f0f
Formbook
2ff41fc4d08d2049d6c7dcb47b28fcb1e73b896b3e33ee8b95da5a7a3b01a26c
Formbook
8a13ce3da212f3557c8d3f43a375fa6e030b400c2da2ca9701bed88f839863fc
Formbook
8d0f3056715cf96af14714339ef1bc6fef37da86983bd0ba175e098eb0c2be8b
Formbook
90661f85c7864f95181eceebf32eafd0b4b166aebdfdf5529edfc3a3dd6c0715
Formbook
c6b8a03b94f79fb661cb2bdd0e8a332103ab2974c288b6ab7740acf6aa45af5d
Formbook
c96178775d7f8dd8b06a4e59aad0367f36abc11680081acfcc2b446fb0ee28b1
Formbook
+ 11'165 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:g8ni rat spyware stealer trojan
Link:
https://tria.ge/reports/211110-wza4rsaaa5/
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
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.er5544.com/g8ni/
Unpacked files
SH256 hash:
7ff44ff4c1a0fde1e903a0fe2ea55beb4b012959d08ec95f6c86c3d670ebe3cd
MD5 hash:
3387deb1ce85866f4f8be177b36c32d6
SHA1 hash:
dc15d3f4968d212094d2e21db290fb6b6e5495e8
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/5dc32bd6-e602-465b-876d-315b3d43f0ae/
Parent samples :
c6b8a03b94f79fb661cb2bdd0e8a332103ab2974c288b6ab7740acf6aa45af5d
8d0f3056715cf96af14714339ef1bc6fef37da86983bd0ba175e098eb0c2be8b
2a2187ae775f286c2400957b71aac1c550779fc6652a710d126546d4d4879f0f
2ff41fc4d08d2049d6c7dcb47b28fcb1e73b896b3e33ee8b95da5a7a3b01a26c
fcaa502268e22400e98ae6f0842b7cf3598cf5a920c09a0d74996bdb64add249
3df54d0e5f1741308cfb7373e54e700b507d690142e085c8d3c9a56741ed1c04
SH256 hash:
72b58a2fc500ef770707e40eee07d5fb89a9f528bbba6d0d0e62378441f2705f
MD5 hash:
f8e7889a60f8d12845f883bff3de81ef
SHA1 hash:
b540fa901ca21843ab29ead52a0e29ae6374dd09
Link:
https://www.unpac.me/results/5dc32bd6-e602-465b-876d-315b3d43f0ae/
SH256 hash:
91655863c7906a8d20c7c782144f553c027843a72f2fdab2b1ccc80808083af0
MD5 hash:
b5044dd0e9c91b1a9185d491da7d07f2
SHA1 hash:
a9ff8129771d85f77b6a145f750c70e53f51125e
Link:
https://www.unpac.me/results/5dc32bd6-e602-465b-876d-315b3d43f0ae/
SH256 hash:
fcaa502268e22400e98ae6f0842b7cf3598cf5a920c09a0d74996bdb64add249
MD5 hash:
8b1b41a27076e994863828472dc801c7
SHA1 hash:
ad34c455b8152cfb261970db63b812f3b74e7d93
Link:
https://www.unpac.me/results/5dc32bd6-e602-465b-876d-315b3d43f0ae/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/fcaa502268e2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/fcaa502268e22400e98ae6f0842b7cf3598cf5a920c09a0d74996bdb64add249

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
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 fcaa502268e22400e98ae6f0842b7cf3598cf5a920c09a0d74996bdb64add249

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/204858/

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