MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f36d84fda591c291957bc2676d6b87efd8fbb7f5a8932405c4d95b8ce1f04ec. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8f36d84fda591c291957bc2676d6b87efd8fbb7f5a8932405c4d95b8ce1f04ec
SHA3-384 hash: 3980f9c106259ecdd1b06bd52800079f54bbe34049efc7e3af35c4bb3d4db8648ca42455c4d23c5983412679d064bdd0
SHA1 hash: 474c06f02cf6a42a2a5554d1f7c57b2ae7633f0d
MD5 hash: b7902295f72561dcdb515fd816eb3b3e
humanhash: neptune-potato-blossom-angel
File name:TT USD71,450.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:778'240 bytes
First seen:2023-02-27 09:04:05 UTC
Last seen:2023-03-06 08:31:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'813 x AgentTesla, 19'735 x Formbook, 12'282 x SnakeKeylogger)
ssdeep 12288:Qm2jDprXXcMimw4v6c32rrRYz081gymfGqbz0ndz/ufTsovbAk:Q/pkxcYrRZ8SymrfAaZbA
Threatray 1'952 similar samples on MalwareBazaar
TLSH T108F4236813F56393E9BE9BF966A8320043F5AE316913D39C2D8590FC2E2AFC11D21753
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 3271e8e8f0cccc92 (1 x AgentTesla, 1 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
176
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
TT USD71,450.exe
Verdict:
Malicious activity
Analysis date:
2023-02-27 09:15:12 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/4fffa267-4094-4641-853c-6c2c6ad7e6aa

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/370065/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63fc72425d47c2515e8083a4/reports/5f76402d-6016-46e4-ad39-c87c01dc8702/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/8f36d84fda591c291957bc2676d6b87efd8fbb7f5a8932405c4d95b8ce1f04ec
Result
Verdict:
MALICIOUS
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/0c1058ea-ffe7-4593-aadb-92ac31542575
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1183948
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Deletes itself after installation
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 816779 Sample: TT USD71,450.exe Startdate: 28/02/2023 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 4 other signatures 2->45 8 TT USD71,450.exe 4 2->8         started        process3 file4 29 C:\Users\user\...\TT USD71,450.exe.log, CSV 8->29 dropped 51 Adds a directory exclusion to Windows Defender 8->51 12 TT USD71,450.exe 8->12         started        15 powershell.exe 21 8->15         started        17 TT USD71,450.exe 8->17         started        signatures5 process6 signatures7 61 Modifies the context of a thread in another process (thread injection) 12->61 63 Maps a DLL or memory area into another process 12->63 65 Sample uses process hollowing technique 12->65 67 Queues an APC in another process (thread injection) 12->67 19 explorer.exe 4 1 12->19 injected 23 conhost.exe 15->23         started        process8 dnsIp9 31 www.hoclaixedanang.top 210.211.120.158, 49704, 49705, 80 VTDC-AS-VNVietel-CHTCompamyLtdVN Viet Nam 19->31 33 dorsttenbio.com 162.241.62.130, 49718, 49719, 80 UNIFIEDLAYER-AS-1US United States 19->33 35 18 other IPs or domains 19->35 47 System process connects to network (likely due to code injection or exploit) 19->47 49 Performs DNS queries to domains with low reputation 19->49 25 cmmon32.exe 13 19->25         started        signatures10 process11 dnsIp12 37 www.hhc-ratgeber.com 25->37 53 Tries to steal Mail credentials (via file / registry access) 25->53 55 Tries to harvest and steal browser information (history, passwords, etc) 25->55 57 Deletes itself after installation 25->57 59 2 other signatures 25->59 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8f36d84fda591c291957bc2676d6b87efd8fbb7f5a8932405c4d95b8ce1f04ec/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-02-24 15:45:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r43nqt62leocsgkxxqthnvvyp36y7o37lketeqc4jwk3rtq7atwa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
142f8b22d894f1fee4c501acbc425edec276004d5d30ab7572cdfab85e89ad12
Formbook
1898f22fac7a609e186050d787f60be2d8427ad8d24fa66f44c0ddcc17cb72d5
Formbook
2a1c7f1e5b22d27648fff19b1df4e60614ff8dca1d080cab1d3009b73e051355
Formbook
3a22fb14f837309023971bf41b88cfc9b3ae7d9db44da63257d36d73dbd716ad
Formbook
469162ec601c979d1e51ad44ea01fa8a4520d650773e7280918128b43691f2e4
Formbook
773e21380e7b28202c6c142d4562bcfd733de46ffa3e63a1351dd2860c065a94
Formbook
8c5606a7010f8a4d5701c1b99fd91af0d1b59bf9bbedb345ba09b449a70fc29f
Formbook
9b4df9f66fdc83879d2ce5c5077f51e0ca02af50050fdeaccaca982bc0c59b52
Formbook
af2338dccdb59d40b3e6fbde008f3fad793ae9910fc3f2210bf6e9a311bd8044
Formbook
c7627adc0797d3315c2c942356c8cb1fca39afbd0335512236be79a6e2f7acb3
Formbook
+ 1'942 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230227-k187eace6w/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
2c64191163dbda53ebb4348df3cb9338ccd292a51b3b300a5e0332e378890030
MD5 hash:
20bb1c67ca02633f1462ded635eda5d5
SHA1 hash:
b919ad4140fd02414d3ac68aaf2947d5c5964a31
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/c605d5bf-42f6-4372-a91c-ec19c13bab0f/
SH256 hash:
8f0de0cb64404dbac30f0e9d70e6f66a8f102d058dbcf4dfe4ad54d5b40bc49f
MD5 hash:
c666525299eabb3f08ae68bb3c53c5c6
SHA1 hash:
936233e2318807ed218ae0b3088edddb58472c89
Link:
https://www.unpac.me/results/c605d5bf-42f6-4372-a91c-ec19c13bab0f/
SH256 hash:
dd9d50cc33f9337d5e2cc532ca2e6633e846d163adb071872e4d636f4bef7767
MD5 hash:
dceae0f66447f8a05c822f342d26987c
SHA1 hash:
f45b80ecd9f85c210a07a938a0caf750be3296a1
Link:
https://www.unpac.me/results/c605d5bf-42f6-4372-a91c-ec19c13bab0f/
SH256 hash:
975a927dbd6375a3ce71ddf133600136f077a700e7d9a3acfa6d6c8f95ef9a43
MD5 hash:
43b2eaf9c418ef07ed54f123dc817a49
SHA1 hash:
d4019d5bae00018b326d86b8f440689996a9810e
Link:
https://www.unpac.me/results/c605d5bf-42f6-4372-a91c-ec19c13bab0f/
SH256 hash:
d3613ea7de1668576914fe0d70f73afc13d7116627bd2950591fbe4cb2cd8aac
MD5 hash:
58d207c8f382082887c18e20a04386d7
SHA1 hash:
64fcb07e7516ac2201da25324332a4343b247b13
Link:
https://www.unpac.me/results/c605d5bf-42f6-4372-a91c-ec19c13bab0f/
SH256 hash:
8f36d84fda591c291957bc2676d6b87efd8fbb7f5a8932405c4d95b8ce1f04ec
MD5 hash:
b7902295f72561dcdb515fd816eb3b3e
SHA1 hash:
474c06f02cf6a42a2a5554d1f7c57b2ae7633f0d
Link:
https://www.unpac.me/results/c605d5bf-42f6-4372-a91c-ec19c13bab0f/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8f36d84fda59/report/overview.html
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/8f36d84fda591c291957bc2676d6b87efd8fbb7f5a8932405c4d95b8ce1f04ec

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.

Malspam

Formbook

Executable exe 8f36d84fda591c291957bc2676d6b87efd8fbb7f5a8932405c4d95b8ce1f04ec

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/370065/

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