MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b919aedc991817793774e45c3e84c4fd5ec2b6f299566101ad1392fe47595f3. 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: 6b919aedc991817793774e45c3e84c4fd5ec2b6f299566101ad1392fe47595f3
SHA3-384 hash: d74ee753b8a030ce33e39b377f1ac5e3439eb577bc6adf7cc5485074c33e9ce6df11248b19a02a9c7eb6bcab531ec480
SHA1 hash: 7aec41727e99cef3fe526470daaf1cd1b4f530d3
MD5 hash: b7cc37e621e5759d0f23abce1b653799
humanhash: cat-sink-quiet-colorado
File name:Payment Copy.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:656'384 bytes
First seen:2021-09-03 03:31:10 UTC
Last seen:2021-09-06 12:58:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:mbFJLgGiF1PVg3PAI54c7mjp5Xvwe2ri3CV0/jijhgwQBF9+r:xG3PAI5LW5oLahjdwQBL
Threatray 5'508 similar samples on MalwareBazaar
TLSH T1BCD41C3E59FE23279176C7D6CBE48827F5C098AF3233A96567D747264306A4634C322E
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
257
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment Copy.exe
Verdict:
Malicious activity
Analysis date:
2021-09-03 03:33:39 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/9c46bd73-a921-4a01-95ee-6b0884fdf49f

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/184995/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.FKE.genEldorado.18298.11212.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cf760774-2278-4bf2-afbf-ce67d3da543a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/844489
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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: 476920 Sample: Payment Copy.exe Startdate: 03/09/2021 Architecture: WINDOWS Score: 100 33 www.papayaco.net 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 11 other signatures 2->47 11 Payment Copy.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\Payment Copy.exe.log, ASCII 11->31 dropped 59 Injects a PE file into a foreign processes 11->59 15 Payment Copy.exe 11->15         started        18 Payment Copy.exe 11->18         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 20 explorer.exe 15->20 injected process9 dnsIp10 35 www.cuponeiros.com 91.195.240.87, 49746, 80 SEDO-ASDE Germany 20->35 37 www.alberlet.site 209.99.40.222, 49752, 49753, 80 CONFLUENCE-NETWORK-INCVG United States 20->37 39 7 other IPs or domains 20->39 49 System process connects to network (likely due to code injection or exploit) 20->49 24 rundll32.exe 20->24         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 24->51 53 Modifies the context of a thread in another process (thread injection) 24->53 55 Maps a DLL or memory area into another process 24->55 57 Tries to detect virtualization through RDTSC time measurements 24->57 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6b919aedc991817793774e45c3e84c4fd5ec2b6f299566101ad1392fe47595f3/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2021-09-03 01:57:21 UTC
AV detection:
10 of 43 (23.26%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=noizv3ojsgaxpe3xjzc4h2cmj7k6yk3pfgkwmea22e4s7zdvsxzq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
096ca35528ef4f702e93f5f17d7954f26fb48acd4526794ce1ee99d27cf1a4c3
Formbook
19f2101d500dfa2ba71baf220497fe8888667bb7d9c8cf4996087ff67c11d156
Formbook
1d4caa0b975ecf0bcb2cc854e5704a7a47d97aac648e0b3634143354c98aacb9
Formbook
36499f5c573a8752c3b566b19e52f3a235e73e4cdb7123f3452a007c945f7daf
Formbook
49217eb71ec8276e6fdb8573c02691fa5b9de9cb14be7b82c4ec6570f78fcfdf
Formbook
7b8353f603a3cbc9e87b5845409c451fc624d6757cdb93255e5fa4bec5737b21
Formbook
ad855c55e13ef5274a20805a3836b508c29cae12d0a2de2807aed08ed4090ddd
Formbook
bb8edab2af37d542c7774e5f5253e1de86fc80525f29e0e274747378201a3537
Formbook
c8aaa220adc918c9972a9c588db765290bf51553bed7da48c604d188136d3073
Formbook
e4c51cfe125602ab5cd33e751d121395c59599055a8294a5234c37a399ddf582
Formbook
+ 5'498 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:p90g loader rat suricata
Link:
https://tria.ge/reports/210903-d3nj6afbar/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.homeofficecovid.com/p90g/
Unpacked files
SH256 hash:
2b888abea02a9b3b440a7b8938f4a3fad8ff2d1e351c6c967d687e9702d0413d
MD5 hash:
4222053c38d6fccf2b6b84274f12e15a
SHA1 hash:
fec32f51e14126ea316faaa5789dfa2e64f7cc03
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/10759ab7-96ab-439f-a5e0-592c08cd9612/
Parent samples :
6b89423281b15d82bd2dabd24a68d7a1a7744c12ca2e951913f7361a271e34e5
6b919aedc991817793774e45c3e84c4fd5ec2b6f299566101ad1392fe47595f3
9b4f5703c5ab1e5e1ca54fbdf0412956a4738217a0c0cc4c2872090944dbee74
24b2084808676120ed7c9057e7d830c7d78b18c1fe01558c6f33e47ff6aeca79
661cafba8f1ca7c7b53b269699e86a6386ffb3649eacfd81d70f806552ca4164
SH256 hash:
9a569be1313734a7a5657149f890204e1246833e80ac0e45c15b9ebc972cfa99
MD5 hash:
db1ca79a10eb8debc020653b67a41ed4
SHA1 hash:
c9aff868749946879d85e0c75c11a085d3c244c2
Link:
https://www.unpac.me/results/10759ab7-96ab-439f-a5e0-592c08cd9612/
SH256 hash:
c25ed724de8934eae4a44ade14c0930d7e1198de73f8f4133b6d66adf60f89ee
MD5 hash:
062efeaed79daf1604d020830437e9e7
SHA1 hash:
4b77fe30d478e90e336eb1cdb6fa958d2ac88eb4
Link:
https://www.unpac.me/results/10759ab7-96ab-439f-a5e0-592c08cd9612/
SH256 hash:
6b919aedc991817793774e45c3e84c4fd5ec2b6f299566101ad1392fe47595f3
MD5 hash:
b7cc37e621e5759d0f23abce1b653799
SHA1 hash:
7aec41727e99cef3fe526470daaf1cd1b4f530d3
Link:
https://www.unpac.me/results/10759ab7-96ab-439f-a5e0-592c08cd9612/
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/6b919aedc991817793774e45c3e84c4fd5ec2b6f299566101ad1392fe47595f3

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 6b919aedc991817793774e45c3e84c4fd5ec2b6f299566101ad1392fe47595f3

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/184995/

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