MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 978a3b17f431b7ed469cd02080d82e4fb9d0b578417d061739fa790af3fb2741. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
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SHA256 hash: 978a3b17f431b7ed469cd02080d82e4fb9d0b578417d061739fa790af3fb2741
SHA3-384 hash: ba7cb728022dc94af7dbe753ea95104013d1fe1e7f5169ccc5fe8a8dcbea774de024f4ebd9e2563f55f2e0c249f61449
SHA1 hash: 373fe28282fe7c4a7ec6af6c47986b84b792bb49
MD5 hash: fb500d05b5fa4527f24c883290dee3e3
humanhash: pennsylvania-beer-michigan-thirteen
File name:fb500d05b5fa4527f24c883290dee3e3.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:539'648 bytes
First seen:2021-09-28 11:37:27 UTC
Last seen:2021-09-28 13:07:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:n9NwNi+hBr7IUA7Ku1OdTSpYZl63IhUyQJBIJF1bI:9NwNi+hBr8UAO7x04hUyQPIJ
Threatray 9'745 similar samples on MalwareBazaar
TLSH T1C1B4AEDE1CA8A7DFFB1E05F8F679279C11ABD028D8EBB1D3D605B0331026A595920CD9
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
136
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fb500d05b5fa4527f24c883290dee3e3.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-28 11:44:03 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/38f4cc85-799b-417f-a73f-5553b2eb5267

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1048.25674.23115.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a87029a6-ee5b-4789-b510-a8ce0045d2c2
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/859785
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
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: 492216 Sample: kIWGxQYKYO.exe Startdate: 28/09/2021 Architecture: WINDOWS Score: 100 31 www.778tt8.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 7 other signatures 2->45 10 kIWGxQYKYO.exe 3 2->10         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\kIWGxQYKYO.exe.log, ASCII 10->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 10->57 14 kIWGxQYKYO.exe 10->14         started        17 kIWGxQYKYO.exe 10->17         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 14->59 61 Maps a DLL or memory area into another process 14->61 63 Sample uses process hollowing technique 14->63 65 Queues an APC in another process (thread injection) 14->65 19 WWAHost.exe 14->19         started        22 explorer.exe 14->22 injected process9 dnsIp10 47 Self deletion via cmd delete 19->47 49 Modifies the context of a thread in another process (thread injection) 19->49 51 Maps a DLL or memory area into another process 19->51 53 Tries to detect virtualization through RDTSC time measurements 19->53 25 cmd.exe 1 19->25         started        33 www.etsawi9.com 141.125.107.194, 49846, 80 SOFTLAYERUS United States 22->33 35 a4.sddns.net 112.121.161.235, 49842, 80 NETSEC-HKNETSECHK Hong Kong 22->35 37 10 other IPs or domains 22->37 55 System process connects to network (likely due to code injection or exploit) 22->55 signatures11 process12 process13 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/978a3b17f431b7ed469cd02080d82e4fb9d0b578417d061739fa790af3fb2741/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-09-28 09:50:55 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1076b9efbc0e135c85f1228253f9a1d2f35f4fd49c70d290de72808f72bd56eb
Formbook
166559731ad15341f955bf8a16708f93542bef868c33f02f70e9b27f57b991a3
Formbook
2728dc98fdebc00823b877eba49ace782c17db8a07074634aafca9dc00277776
Formbook
2fc82f206abb0d6d6b4d7a916be93b408ab78f848531917b3968b066a5a31023
Formbook
326a1e669385d8e241375e9eca9f915440f1d0d3f803e6d1648f30102cbedaa6
Formbook
50c6754cbbd313acc6a250182439a1191d8f8318f0794feea75bd647b6205f7a
Formbook
7b4c1bf9a15a419080fe02866aa26f162f79d5e01763c6af5915b07988556223
Formbook
84236953e6059c7733ecd777604a225ee85dc96740a46aac1379d13b3d57630d
Formbook
c4c9d27ea805c32e7f0e66dc0d9534d8fbd87f4c1327727b2e1e9ae937f02c45
Formbook
dae6ba220bb0a34de731b57965753391343bfe96f9f3fa4fea48102d3377ccf7
Formbook
+ 9'735 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:scb0 loader rat
Link:
https://tria.ge/reports/210928-nrrgsabge7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.vetpipes.com/scb0/
Unpacked files
SH256 hash:
6242485a3c1c93aecc64bf33b5f99f14b67336dcfc8f96a5bba8147557d64440
MD5 hash:
60f645f8dc5fbe5b1c256318232d7ce7
SHA1 hash:
4c9d879bf07a222e9b957b847d9cffa08904acb7
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
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Link:
https://www.unpac.me/results/c264ebfe-10c2-4270-a1b1-662733d56153/
Parent samples :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 hash:
2d4ec01eed281dcbab6175aa0686dc3c47d1500c1e0d3a78da5353a023bf837d
MD5 hash:
43f7d0fc5efd513c7ebb5af5b1fce83c
SHA1 hash:
f02352ab6211e0abd62f2d810460fb422417d499
Link:
https://www.unpac.me/results/c264ebfe-10c2-4270-a1b1-662733d56153/
SH256 hash:
c9f0428c9e7f7deef7ed60786ae03d04b39b844ff67b2ae27e3ba221082d2e2d
MD5 hash:
2166ab425f765669b385338784b485fd
SHA1 hash:
c33183b3f1439e71e67be9eed7ceacd3584da342
Link:
https://www.unpac.me/results/c264ebfe-10c2-4270-a1b1-662733d56153/
SH256 hash:
6a671abf66304301602b4afd0902840bc3915455cffc58d8916eaa693abe33ec
MD5 hash:
681eca96e4e7b513317178dc7065ef39
SHA1 hash:
24af82015bc57d125f1ccb759840118b2283d1dc
Link:
https://www.unpac.me/results/c264ebfe-10c2-4270-a1b1-662733d56153/
SH256 hash:
978a3b17f431b7ed469cd02080d82e4fb9d0b578417d061739fa790af3fb2741
MD5 hash:
fb500d05b5fa4527f24c883290dee3e3
SHA1 hash:
373fe28282fe7c4a7ec6af6c47986b84b792bb49
Link:
https://www.unpac.me/results/c264ebfe-10c2-4270-a1b1-662733d56153/
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/978a3b17f431b7ed469cd02080d82e4fb9d0b578417d061739fa790af3fb2741

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.

Web download

Formbook

Executable exe 978a3b17f431b7ed469cd02080d82e4fb9d0b578417d061739fa790af3fb2741

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1645547/
  
Delivery method
Distributed via web download

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