MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b9a70f1049fb47db190512121def425ec88c6f007a70308ac63c4549ae78f77. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b9a70f1049fb47db190512121def425ec88c6f007a70308ac63c4549ae78f77
SHA3-384 hash: 0977b1a5df008f49b22553cb42ae5efa4e21672de8b2d0ecd498e3f5ebf1ba07dd187fbddfb96f688b6cc727b254be46
SHA1 hash: 5bfeb6c671282504447462b4d2cdd2fccd394c50
MD5 hash: f2a528bae39a90b3a36de39b85adc8c2
humanhash: gee-magazine-wolfram-ten
File name:Ky9uiAj0SLjPUcX.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:451'584 bytes
First seen:2022-02-02 14:23:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:qwJVO7JCDUokvqVtEG35DupLWQjGeBJ1g:hVOVBoEqVtd5iVWHe
Threatray 13'072 similar samples on MalwareBazaar
TLSH T158A49DB0A1AB8691F10BC974257CF97102B234E3E9CA0D3927697645CFAEE543F8464F
Reporter malwarelabnet
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
174
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/230232/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe obfuscated packed
Link:
https://www.filescan.io/uploads/61fa94086d25ac9e79fc868a/reports/7be02c18-f082-490e-afdd-18e145a5f637/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c28eb8cc-fa0e-4db1-bc7c-193f8ffbf777
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/932517
Signature
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)
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)
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: 565003 Sample: Ky9uiAj0SLjPUcX.exe Startdate: 02/02/2022 Architecture: WINDOWS Score: 100 32 www.omightygod.com 2->32 34 omightygod.com 2->34 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Yara detected AntiVM3 2->40 42 2 other signatures 2->42 11 Ky9uiAj0SLjPUcX.exe 3 2->11         started        signatures3 process4 signatures5 52 Tries to detect virtualization through RDTSC time measurements 11->52 14 Ky9uiAj0SLjPUcX.exe 11->14         started        17 Ky9uiAj0SLjPUcX.exe 11->17         started        process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 19 explorer.exe 14->19 injected process8 process9 21 colorcpl.exe 19->21         started        signatures10 44 Self deletion via cmd delete 21->44 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        26 explorer.exe 1 148 21->26         started        28 explorer.exe 143 21->28         started        process11 process12 30 conhost.exe 24->30         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1b9a70f1049fb47db190512121def425ec88c6f007a70308ac63c4549ae78f77/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-02-02 14:24:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=donhb4iet62h3mmqkeqsdxxuexwirrxqa6tqgcfmmpcfjgxhr53q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
09b4fb11c410620d69ddc6caf95405f3d10005726c2953ac99f56547f81942b0
Formbook
2a4415721925c12ce8a80719697ffbda5daf88fe34804b0549bc5d5605790cdb
Formbook
2ceae7d4227b3dc96253c77943851ebb41fab14f6f07af4dadca597f82ebda67
Formbook
5c8f31380d956958134331ea55e63835fd16ca1f02f4c81672b69db70bc97ab8
Formbook
779f51468b459d7e4fa2fb6dafabd1771416f00bdd0ad587b1f3119da41edd5e
Formbook
88c841869430e07bb9b80e52d61d4f013c6bd8753b06807b411a428f09669c33
Formbook
9e4e02725cde43b4da85cdf054b11ad0e4a622bb54f4a967b1634ebcaea9666a
Formbook
b59ebb440937c57845ec3a6b7251cecd72aed8a9f2e31966a31356cf1fac3eb0
Formbook
bfb63f78c88894c097832d1073716db0d322456da3a2bccc15e57eac15fa903d
Formbook
e9c47cd72f9ee1fa189d8be6e0b8609613e27c3882b3f9aa6b3e5a2a21fe4246
Formbook
+ 13'062 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:wdc8 loader persistence rat suricata
Link:
https://tria.ge/reports/220202-rqq2eaacdp/
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Deletes itself
Sets service image path in registry
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
d3ca3783db4188399ea2066aa9ca230c85a75bd547346b1d112219ca65a64bf9
MD5 hash:
5bf0df3cfd245af38deaef08677615a8
SHA1 hash:
a7b2107c1db7306089a298406d032456f3a302b3
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/29467606-1dd7-421e-8351-3d77e0624411/
Parent samples :
4ba337aa0663470b85d2b1b97713a219ea8c5d7ee7f5795dfc9017ae2b123e47
e34c0a8218be6d3783e8cd61b8040b6b39004ad34e68c1cdb2f123b636e6b274
1b9a70f1049fb47db190512121def425ec88c6f007a70308ac63c4549ae78f77
2ceae7d4227b3dc96253c77943851ebb41fab14f6f07af4dadca597f82ebda67
fef3c1fc57689534161dd663bf1cb63d3f728dc87cad1eca4ea1780ff889d056
3356a1d5d011f9117000a3f5326a8eecc0fc0d9ba156af4f634891b19c63773b
d976d19fe98e25ad6fd2c13d26f7e46311feb08952a5913d00231806d6277c78
852d04f44d46f2a8f75ca8827232765a90c172da5f2e7d84acc919c41bc73856
9d144168607d4e6808be108cf349da625b911307dabab1ea645381a5473deb03
a70a717458c5147a02dca62c03c58d2e11e165180e683fa4755c719e6f9ad9c5
b36891ab4a7fa6be1680a65614dd5551a3fa8a89052c381a954601eedd82e62c
2bb47abc0ec7e4e48aa80d53e19056c6adbef6b1392b3816aa335364325870fb
02ad8318feb2f8ce745e2cefa321f18d19b7ad72085664371033fada68bd6b91
3b326d59a151e3500563ad4ce6c86228508d9295f54e71c8160aec088752c994
bb7f87209e05364542dc6536f26af0580d4b10a1d376abbc7ebd531c1d1ee046
SH256 hash:
6f1b89bc3013177c101fe4448340c48c0dd08d19017a798bd11c2d0f76be1fbc
MD5 hash:
60a604887b3616e3ed86d81fab0a9ebb
SHA1 hash:
8db84f5f4c569c86c69aff464b2ffc4ce3dafa20
Link:
https://www.unpac.me/results/29467606-1dd7-421e-8351-3d77e0624411/
SH256 hash:
f6505ad92415fa5ba39f2891d78439da82ca5a7245e3193177da674d68d7095e
MD5 hash:
8d6ab9baed75d2fd85c74e66f57c80c8
SHA1 hash:
20a914c8bec3c1b8f36995d06848111dafcb4290
Link:
https://www.unpac.me/results/29467606-1dd7-421e-8351-3d77e0624411/
SH256 hash:
1b9a70f1049fb47db190512121def425ec88c6f007a70308ac63c4549ae78f77
MD5 hash:
f2a528bae39a90b3a36de39b85adc8c2
SHA1 hash:
5bfeb6c671282504447462b4d2cdd2fccd394c50
Link:
https://www.unpac.me/results/29467606-1dd7-421e-8351-3d77e0624411/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/1b9a70f1049f/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/1b9a70f1049fb47db190512121def425ec88c6f007a70308ac63c4549ae78f77

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/230232/

Comments