MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf8946958d9cf3891ccd81cb336f4518309b291917a854c032f3e141ebb5ff41. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf8946958d9cf3891ccd81cb336f4518309b291917a854c032f3e141ebb5ff41
SHA3-384 hash: 5ee8d08f758589003b3fbfa4679668f482b379b5700540e3f6384e56831f7c7a18b73fba023c9a288033430d0fed3a1e
SHA1 hash: 93a344decf25404aee76e4f671c326d0a849edeb
MD5 hash: b75914d53355038a09c85051b6eaf59a
humanhash: missouri-nevada-pizza-maine
File name:SecuriteInfo.com.W32.AIDetectNet.01.10462.2255
Download: download sample
Signature Formbook
Create hunting rule
File size:585'216 bytes
First seen:2022-06-14 15:47:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:x+7L8JlzF4RBPcVhOrtPouTiZIjfgC/f384xZdAtuvOhtQ:gL8j+jPc8tR1cC33LxZdAtuGQ
TLSH T1BAC4CF17BA9ECB1DD2640A72F0BA51300375EF478112DB8A79CEEE2E05237CE4A457D6
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon ecec889ce6d8e8f0 (40 x Formbook, 21 x AgentTesla, 12 x SnakeKeylogger)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
245
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.W32.AIDetectNet.01.10462.2255
Verdict:
Malicious activity
Analysis date:
2022-06-14 19:20:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/853b26b8-494e-42c7-b00e-dd1ad53771d8

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/279881/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.10462.2255.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed shell32.dll
Link:
https://www.filescan.io/uploads/62a8adf04d1ff31e31be7177/reports/12069188-308c-473a-9848-79d3b20442de/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/e7b8d546-92ea-4d3c-8d80-2d47e4c2ae34
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1013078
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bf8946958d9cf3891ccd81cb336f4518309b291917a854c032f3e141ebb5ff41/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-14 12:57:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x6eunfmnttzyshgnqhftg32fdayjwkizc6ufjqbs6pqud25v75aq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:b6qc loader rat
Link:
https://tria.ge/reports/220614-s8rw4abdd4/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Xloader Payload
Xloader
Unpacked files
SH256 hash:
b6d0cb02eb83a2d9962b0ba51cd6a2708f77442e4341e162e15c2ff8b4fa5c2a
MD5 hash:
5f77be289fe4de9abdd118e5c471b6bc
SHA1 hash:
a7ddbb3a6dde6df64698a96f4bdcbee20ca1e9b9
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/b4215a99-6ca0-4695-8c08-62bdda3b114b/
Parent samples :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 hash:
ff876e90742b0099cd7bb77f25c0eb9489b65868236d334f662e3268df3af048
MD5 hash:
7673b23af52b593b989836b0b36adf05
SHA1 hash:
aaa5cfe957cdf37b6ddafa0641d5c6a90e96d140
Link:
https://www.unpac.me/results/b4215a99-6ca0-4695-8c08-62bdda3b114b/
SH256 hash:
cdb60d5395f72dce9ebd1e5bda337dc33d21bb68d42a8e13e2b813e29b69ab97
MD5 hash:
f0c8ab48c25b0130dfe33952e11b5a1d
SHA1 hash:
86331532209e494a2cb74237d17ad814b22cfbd5
Link:
https://www.unpac.me/results/b4215a99-6ca0-4695-8c08-62bdda3b114b/
SH256 hash:
2fe9852668ae6b7715a5c6f8764744f9cb2ef3163adf0f360728f628d42ce916
MD5 hash:
26bfda201145c515616dbb9243785084
SHA1 hash:
4133e7329a79766bbe670a398fdfb442eb70487d
Link:
https://www.unpac.me/results/b4215a99-6ca0-4695-8c08-62bdda3b114b/
SH256 hash:
bf8946958d9cf3891ccd81cb336f4518309b291917a854c032f3e141ebb5ff41
MD5 hash:
b75914d53355038a09c85051b6eaf59a
SHA1 hash:
93a344decf25404aee76e4f671c326d0a849edeb
Link:
https://www.unpac.me/results/b4215a99-6ca0-4695-8c08-62bdda3b114b/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bf8946958d9c/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/bf8946958d9cf3891ccd81cb336f4518309b291917a854c032f3e141ebb5ff41

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
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/279881/

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