MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48cbc8c805d69f6f12ce4028996a7c95c22dfe41d150f897dd653fdec143dfe0. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 48cbc8c805d69f6f12ce4028996a7c95c22dfe41d150f897dd653fdec143dfe0
SHA3-384 hash: 3e5f0c6095ef8e73c085272202ae6d0d6c3f90758c1cfc4abcec1763d3369da2da387e41c056b3b412832cfca4d342dd
SHA1 hash: 9b9f9c56e522b55f616bb5705f85c448baf6046b
MD5 hash: baa947348dab34b36e0213eaaa4f848d
humanhash: nuts-pennsylvania-sad-two
File name:baa947348dab34b36e0213eaaa4f848d.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:478'720 bytes
First seen:2021-12-04 07:32:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:9/ecdUd2iNutD00toS0A6vsNSi9O3VLbN9ggfJBu:9/I1QC0toS0dQSis3V3zlRB
Threatray 12'599 similar samples on MalwareBazaar
TLSH T1B3A412963A54EB01C62C5BB2CDDA8045037CBE5A6962D73F7DC532CE15623C21A271EF
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
baa947348dab34b36e0213eaaa4f848d.exe
Verdict:
Suspicious activity
Analysis date:
2021-12-04 07:37:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e7a50e9b-4bf7-4b12-aaa4-6c49d2bf01cd

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/211245/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61ab19b4fa72c81b5b0aaf6c/reports/adb517f4-79b4-4fa6-9cb0-4d33fcaac88b/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/9cc57f5f-7e9d-4951-9a6c-042bcb04e2dd
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/901365
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
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)
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 533839 Sample: 4uUjP2a36x.exe Startdate: 04/12/2021 Architecture: WINDOWS Score: 100 31 www.szyyglass.com 2->31 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 7 other signatures 2->55 10 4uUjP2a36x.exe 3 2->10         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\4uUjP2a36x.exe.log, ASCII 10->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 10->57 59 Injects a PE file into a foreign processes 10->59 14 4uUjP2a36x.exe 10->14         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 14->61 63 Maps a DLL or memory area into another process 14->63 65 Sample uses process hollowing technique 14->65 67 Queues an APC in another process (thread injection) 14->67 17 control.exe 14->17         started        20 explorer.exe 14->20 injected process9 dnsIp10 39 Self deletion via cmd delete 17->39 41 Modifies the context of a thread in another process (thread injection) 17->41 43 Maps a DLL or memory area into another process 17->43 45 Tries to detect virtualization through RDTSC time measurements 17->45 23 cmd.exe 1 17->23         started        33 www.goldsteelconstruction.com 20->33 35 pamperotrabajo.com 119.81.108.180, 49747, 80 SOFTLAYERUS Singapore 20->35 37 8 other IPs or domains 20->37 47 System process connects to network (likely due to code injection or exploit) 20->47 25 autochk.exe 20->25         started        signatures11 process12 process13 27 conhost.exe 23->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/48cbc8c805d69f6f12ce4028996a7c95c22dfe41d150f897dd653fdec143dfe0/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-04 01:04:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
02a9e7458836d89cc02de2333176fcfdc9e462535e73e5b032f13e604b831b72
Formbook
0925611227bd789da9fe684970971f3b97b477cbb5ea4066264db719bb7202b7
Formbook
0c9257ae6c84763746b188ff4d2dc58d040b32f8ab54e9466137312c8e0cc92b
Formbook
10a96288de8785786b009b94ee858093999c9b690991474b95455192b7622e0b
Formbook
1f651f590aaf7682d6b480e690099b4115d91f5a260c961ecc6030b2c280708a
Formbook
777c86a17146921e06f4ac7ab01da50e0e3fa657160bcd49e8c99c63f3bf4de4
Formbook
e1010d989d5412e83aaf07bf794a76257b1a43bcec34dd8c05280cb97c61e3ec
Formbook
e4a4e1f73cbbd5667b5264b48bc7429ea638532d08e78d53b86b86c0fa5b291b
Formbook
fe17721930d311edb152dc90a891ae82cc45997b54ec77894f765d5efe259903
Formbook
+ 12'589 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ef6c loader rat
Link:
https://tria.ge/reports/211204-jdjskaddg4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.fis.photos/ef6c/
Unpacked files
SH256 hash:
1eba3e6e55f4aa87ee88dad11183f808f00870bf6277e3ae19fb31400a1dbe5b
MD5 hash:
00b620728472aef2af115e0455930cf8
SHA1 hash:
649a4ad0f13a3176ea36b855c1b36fbce246446a
Link:
https://www.unpac.me/results/ee9011b5-e710-4812-8825-15bf9048fd86/
SH256 hash:
a96ea9c273a5123b16d1aa8a2c23b8f0f2962159833a73f8e9b7f4d633c4118d
MD5 hash:
695afd9015b05dedc334eaabc47ef114
SHA1 hash:
485da4e1c89243d31577710f6597f3808e4946c3
Link:
https://www.unpac.me/results/ee9011b5-e710-4812-8825-15bf9048fd86/
SH256 hash:
48cbc8c805d69f6f12ce4028996a7c95c22dfe41d150f897dd653fdec143dfe0
MD5 hash:
baa947348dab34b36e0213eaaa4f848d
SHA1 hash:
9b9f9c56e522b55f616bb5705f85c448baf6046b
Link:
https://www.unpac.me/results/ee9011b5-e710-4812-8825-15bf9048fd86/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/48cbc8c805d6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/48cbc8c805d69f6f12ce4028996a7c95c22dfe41d150f897dd653fdec143dfe0

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_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
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.

Web download

Formbook

Executable exe 48cbc8c805d69f6f12ce4028996a7c95c22dfe41d150f897dd653fdec143dfe0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1847975/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/211245/

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