MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f397c24f2c684fdcd51dc9954c641d013437a78e24a5cf8c8778196a66a60372. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f397c24f2c684fdcd51dc9954c641d013437a78e24a5cf8c8778196a66a60372
SHA3-384 hash: 26725d9b00264dea9934d022eceb42820a5e86ad4415e1f19e89b5d2aebcb0da3232c26075b663caa42402c3dc34a88c
SHA1 hash: 937ca3b95b34fe4c85664218cc7ba23c5a306376
MD5 hash: bd4c60a45729a5f4a89191a3923b4c4a
humanhash: emma-nuts-uranus-eleven
File name:3BJGa7Xw4ugPpll.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:1'014'272 bytes
First seen:2020-10-12 06:17:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:2yOlwe3BShmplE20pzOHOL1e8hVpWZ7AIOy7tZNAHtfBfvATk6Ikp9MpXUgKigk:ElMIsMqWdB7yt5fmr+gk
Threatray 2'406 similar samples on MalwareBazaar
TLSH 48256AB3935CCAC1DDA956F4121E89A20BA03F5FA0D9E2C81CDDB4FB9738751E190993
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/69957/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/488034
Signature
.NET source code contains potential unpacker
Detected FormBook malware
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Steal Google chrome login data
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 296477 Sample: 3BJGa7Xw4ugPpll.exe Startdate: 12/10/2020 Architecture: WINDOWS Score: 100 48 www.hayatveren-world.com 2->48 56 Malicious sample detected (through community Yara rule) 2->56 58 Sigma detected: Scheduled temp file as task from temp location 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 9 other signatures 2->62 11 3BJGa7Xw4ugPpll.exe 8 2->11         started        signatures3 process4 file5 40 C:\Users\user\AppData\...\zqjKWeahQXsul.exe, PE32 11->40 dropped 42 C:\Users\user\AppData\Local\...\tmpE149.tmp, XML 11->42 dropped 44 C:\Users\user\...\3BJGa7Xw4ugPpll.exe.log, ASCII 11->44 dropped 74 Tries to detect virtualization through RDTSC time measurements 11->74 76 Injects a PE file into a foreign processes 11->76 15 3BJGa7Xw4ugPpll.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 78 Modifies the context of a thread in another process (thread injection) 15->78 80 Maps a DLL or memory area into another process 15->80 82 Sample uses process hollowing technique 15->82 84 Queues an APC in another process (thread injection) 15->84 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 50 www.respec-d.com 23.248.240.227, 49755, 49756, 49757 XIAOZHIYUN1-AS-APICIDCNETWORKUS United States 20->50 52 trusted-inspections.com 107.180.2.80, 49744, 49745, 49746 AS-26496-GO-DADDY-COM-LLCUS United States 20->52 54 www.trusted-inspections.com 20->54 64 System process connects to network (likely due to code injection or exploit) 20->64 26 WWAHost.exe 18 20->26         started        signatures11 process12 file13 36 C:\Users\user\AppData\...\L67logrv.ini, data 26->36 dropped 38 C:\Users\user\AppData\...\L67logri.ini, data 26->38 dropped 66 Detected FormBook malware 26->66 68 Tries to steal Mail credentials (via file access) 26->68 70 Tries to harvest and steal browser information (history, passwords, etc) 26->70 72 3 other signatures 26->72 30 cmd.exe 2 26->30         started        signatures14 process15 file16 46 C:\Users\user\AppData\Local\Temp\DB1, SQLite 30->46 dropped 86 Tries to harvest and steal browser information (history, passwords, etc) 30->86 34 conhost.exe 30->34         started        signatures17 process18
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f397c24f2c684fdcd51dc9954c641d013437a78e24a5cf8c8778196a66a60372/
Threat name:
ByteCode-MSIL.Backdoor.SpyNoon
Create hunting rule
Status:
Malicious
First seen:
2020-10-12 03:30:09 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6ol4etzmnbh5zvi5zgkuyza5ae2dpj4oess47dehpamwuzvganza._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
042e32eb8970e6dd8e767bb75bc25b3325c314783b9c3bb365727584dba4d918
FormBook
15d71d7a0b659fa5429a2e96d9185dad6aca0fe201dfa802b7fd0ef2b8211c76
FormBook
1fb23de8da95ef200663ec6bffe9a439b6c39927559b5e103a488cf54355ebad
FormBook
35053de930782e8179e3721c8927c499b71dc9926db872b722fe8b5ec5b300b2
FormBook
4255ae6b31d6068463b663c1871ac8cee3461b0d3fbf642f96cf9a3e8817803c
FormBook
792259d9e6e262d17cc54f4b43c8e95cd0be1e533f5e5032a5cdefb9f899a6a2
FormBook
b0f6052c071380b0413ba33ab5f888442bba649614a7102ade644d7195487bed
FormBook
b3c33339d1d526eebdd71c8ce0d1f3d0a12be1d5325e7678924e2bfc29a84181
FormBook
f4b7759a1a42ebd89a61ed697ca26661dff56719bbf254b7b1f400f3cf4487d1
FormBook
f638e03e33b24d736db2873b3dee14d8312731d040adb93265b99e21b94b3978
FormBook
+ 2'396 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat spyware trojan stealer family:formbook
Link:
https://tria.ge/reports/201012-485rhgmfx6/
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.trusted-inspections.com/k8b/
Unpacked files
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
Link:
https://www.unpac.me/results/2b96172a-8da8-449e-80e8-052fff86c1ba/
SH256 hash:
a2c95473c82ec11b8bfb48b41b574ed9dd3e00a1a71135c36be53cbd76fa495c
MD5 hash:
aae7a50b67eed2a5bc4eabb6f2237f51
SHA1 hash:
df453315b2f971045ec9059e23a255dbf0aec351
Link:
https://www.unpac.me/results/2b96172a-8da8-449e-80e8-052fff86c1ba/
SH256 hash:
5a144f9e72d86bf7789929db2bb48481a8ce2d876da64d70c74a456658dc0b97
MD5 hash:
78d30848461d468119773c4c949b10b0
SHA1 hash:
91f23f2766aa75da9c6fb67e1dc437f87c2422a5
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/2b96172a-8da8-449e-80e8-052fff86c1ba/
Parent samples :
da111408d9dccb99b2c429d535ca55f6e970d911da4c24553e75d02fe9c00489
1d1a49643433922eecfd7e1a27fd7389c2837f2698d89226b07e387ebb27054c
07528f3c583c546d2b444b091c3ede380c6427ed0691b95294c7e32dd35560ab
d4014ac2689b47f11708425cad3d8aa02dd05ee6d6745006156dffbe0a27b4be
4ba0d07d32c048141100317f95bd6dd8b791ba9c6608730b8408530490a13922
f4854fb409d136b74193144c50c888b36bbbbcde71b52acb5f8177a862ebd76c
db53a27c43dddb419e9d058e6288f3c1e7fc7e4bd62e3bb048e7103dcf79d682
f397c24f2c684fdcd51dc9954c641d013437a78e24a5cf8c8778196a66a60372
76e0bf03767dfd6316810d96d2404daf16397a0ef3b90daf96ad67bc461209a8
3efb5ed25276775c95cc60b4c8227a1401f5525d629148d393f5b85c25c565ec
1df003f8242579db0d215e8b75e999a15021b4ff7b49b7d7d90a90fb8ca4e6a1
SH256 hash:
f397c24f2c684fdcd51dc9954c641d013437a78e24a5cf8c8778196a66a60372
MD5 hash:
bd4c60a45729a5f4a89191a3923b4c4a
SHA1 hash:
937ca3b95b34fe4c85664218cc7ba23c5a306376
Link:
https://www.unpac.me/results/2b96172a-8da8-449e-80e8-052fff86c1ba/
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/f397c24f2c684fdcd51dc9954c641d013437a78e24a5cf8c8778196a66a60372

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

FormBook

Executable exe f397c24f2c684fdcd51dc9954c641d013437a78e24a5cf8c8778196a66a60372

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/69957/

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