MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c6fbba6c71e8f32179d03a591f729e7ee5dbdaf9f89b1c476f01586625035ab. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5c6fbba6c71e8f32179d03a591f729e7ee5dbdaf9f89b1c476f01586625035ab
SHA3-384 hash: 8f67ae385e81b53ada0baf9102311a13ef879bac211dffe867a78857cbff74586e7cf12b18ba095db67090d03f981cda
SHA1 hash: 3eeef5faa8d399b5e084259aecb6e24956f17a00
MD5 hash: a643cf941d79729759ddccb98aeb76c5
humanhash: florida-mars-seven-river
File name:PO.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:464'896 bytes
First seen:2021-08-20 05:20:42 UTC
Last seen:2021-08-20 05:48:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:lHho+YwllGmXaaZZJTVWWD7kEpU524S3uL8pCbSy:lBo4llGmLZNc2x
Threatray 5'193 similar samples on MalwareBazaar
TLSH T1DBA4F0553620B29FC41F8E76C9A51C60AB70A6BB530BD3436C4379DD590EBCA8F026E7
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
128
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO.exe
Verdict:
Malicious activity
Analysis date:
2021-08-20 05:23:47 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/ca8074f2-7cd0-43aa-84f9-91020b425f47

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/180854/
Detection(s):
SecuriteInfo.com.ArtemisA643CF941D79.25399.20867.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Deleting a recently created file
Creating a file
DNS request
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f3b89bc8-6b01-47a9-8073-adeed440c7c3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/836225
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 468656 Sample: PO.exe Startdate: 20/08/2021 Architecture: WINDOWS Score: 100 38 www.dreambigmalta.com 2->38 40 www.luxe-byb.com 2->40 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Multi AV Scanner detection for dropped file 2->52 54 7 other signatures 2->54 10 PO.exe 6 2->10         started        signatures3 process4 file5 32 C:\Users\user\AppData\Roaming\KECxCP.exe, PE32 10->32 dropped 34 C:\Users\user\AppData\Local\...\tmpB797.tmp, XML 10->34 dropped 36 C:\Users\user\AppData\Local\...\PO.exe.log, ASCII 10->36 dropped 58 Uses schtasks.exe or at.exe to add and modify task schedules 10->58 60 Tries to detect virtualization through RDTSC time measurements 10->60 62 Injects a PE file into a foreign processes 10->62 14 PO.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures6 process7 signatures8 70 Modifies the context of a thread in another process (thread injection) 14->70 72 Maps a DLL or memory area into another process 14->72 74 Sample uses process hollowing technique 14->74 76 Queues an APC in another process (thread injection) 14->76 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        25 conhost.exe 17->25         started        process9 dnsIp10 42 bitlisorganikurunleri.com 89.252.134.195, 49722, 80 NETINTERNETNetinternetBilisimTeknolojileriASTR Turkey 19->42 44 www.sponge-butt.com 19->44 46 3 other IPs or domains 19->46 56 System process connects to network (likely due to code injection or exploit) 19->56 27 colorcpl.exe 19->27         started        signatures11 process12 signatures13 64 Modifies the context of a thread in another process (thread injection) 27->64 66 Maps a DLL or memory area into another process 27->66 68 Tries to detect virtualization through RDTSC time measurements 27->68 30 cmd.exe 1 27->30         started        process14
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5c6fbba6c71e8f32179d03a591f729e7ee5dbdaf9f89b1c476f01586625035ab/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-20 02:37:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
14 of 46 (30.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lrx3xjwhd2htef45aoszd5zj47xf3pnpt6e3drdw6akymysqgwvq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2fcedf25cd8c0df5db7864ff3663f6a923eb3cdf1a30619a2eeb69df58e1c4f1
Formbook
42081326f379275d4b731f76f2d932cd72cd2c404ed654ee281b66b08e59f6f7
Formbook
732d6097dbd7e3dea8d83a0261e0d834430a56119b278e3fb38b15c27147bf7f
Formbook
8c0e95028944337b1e8a9e8dcc4ba141b535a4ee7dde151ca464238976039337
Formbook
9b985974efb3d7555b61cec77f2667cd6aca5f74a07f712b3aa58a54aa03bebb
Formbook
b79585519703d2f90872de1698c5b9bf03dd63ff3d63897da2f5af3e26af076c
Formbook
e188030a6e62811cb9b70788732d04e339e1396c2d546362fa2b47ac572c9fc6
Formbook
+ 5'183 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:gm9w loader rat suricata
Link:
https://tria.ge/reports/210820-8s58qb1lde/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.activepurelawsuit.com/gm9w/
Unpacked files
SH256 hash:
54577a3f0632943e747869f5eb9ec0cedbead07e53ec5b015c581b15b7acb5cb
MD5 hash:
53bf1127c74326d3e35f42dbbf6c4d5a
SHA1 hash:
ac0515905b02d4cfb7427e5fc75be5e08d9b33d6
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/0e1a39f9-c2fe-432e-b847-7bbdb0c39775/
Parent samples :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 hash:
d0eab3fb4d18832082f86a8e5f2a2706ab96c7090576a66ffc453c558a56b3b1
MD5 hash:
09542dfbfa0e19c2133cdb2e90d224e4
SHA1 hash:
7da50e97e3267fa320f5edaba5db1e674c4ac249
Link:
https://www.unpac.me/results/0e1a39f9-c2fe-432e-b847-7bbdb0c39775/
SH256 hash:
4e98fcc8157021a2edbac185320363554a71cd7374823045e8ed434906ee29a8
MD5 hash:
ec2aa91f9b68dc1705e2c0bb7520a810
SHA1 hash:
104a69180e3882ae3c4ee4fa8484c3db99a54e92
Link:
https://www.unpac.me/results/0e1a39f9-c2fe-432e-b847-7bbdb0c39775/
SH256 hash:
5c6fbba6c71e8f32179d03a591f729e7ee5dbdaf9f89b1c476f01586625035ab
MD5 hash:
a643cf941d79729759ddccb98aeb76c5
SHA1 hash:
3eeef5faa8d399b5e084259aecb6e24956f17a00
Link:
https://www.unpac.me/results/0e1a39f9-c2fe-432e-b847-7bbdb0c39775/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5c6fbba6c71e8f32179d03a591f729e7ee5dbdaf9f89b1c476f01586625035ab

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
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.

Malspam

Formbook

Executable exe 5c6fbba6c71e8f32179d03a591f729e7ee5dbdaf9f89b1c476f01586625035ab

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/180854/

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