MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 839e40ef075f127658162da621f67ed6dd8619b6ad48d9f6d0a06756adbb0e2e. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 839e40ef075f127658162da621f67ed6dd8619b6ad48d9f6d0a06756adbb0e2e
SHA3-384 hash: 92e188e3302be5da0d46f4655ffb0c57d9f28cd7d2b13447977730064d24e45c659eff6afa02930854dd42f01b7dc770
SHA1 hash: 13834814b5cc4e084b015fca73ec666c9fdca1f9
MD5 hash: 06e19074abf3e4a31f44aed8c0dd4041
humanhash: missouri-robert-emma-lemon
File name:SecuriteInfo.com.W32.AIDetectNet.01.7771.22884
Download: download sample
Signature Formbook
Create hunting rule
File size:640'000 bytes
First seen:2022-06-15 13:01:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:bSvsfV4kSxVYBOzaJ1/k59lDQn3pKjKAcy2N/lp393fDxgUd9OkHaLn2:2k4k6cOzK1/+qphAm1lpNNd9OzL2
TLSH T184D4CF09BB67CD05D1A96B73C1D344186BB8ED43B25AEB0F77C622D44D173EA8802B5B
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
261
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/280180/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.7771.22884.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62a9da42b3e0f5c807112bf0/reports/f92bc9d4-38be-4732-adbf-29ec6e59c30b/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/d16a3ab8-b79e-4b53-aaba-a06c877b0d33
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1013690
Signature
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 sample
Malicious sample detected (through community Yara rule)
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/839e40ef075f127658162da621f67ed6dd8619b6ad48d9f6d0a06756adbb0e2e/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-06-15 12:56:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qopeb3yhl4jhmwawfwtcd5t623oymgnwvvent5wqubtvnln3byxa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ges0 loader rat
Link:
https://tria.ge/reports/220615-p9sm8saed2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
38ae22032e6177fecf2363688ebb7d87feaaf061dc85d510f225751aaa74539e
MD5 hash:
879d4cc7fcb522cec544e5ca271ccb64
SHA1 hash:
29a1ffe01fad0ff25c6d31b2d0857465a4c3b468
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/1372af3e-7569-4b29-b415-c2bb6a7af62f/
Parent samples :
98f4f1c128751018e663a09193d697540dafedb9b10c9ab0872a6ec34700e5c9
0df7f1a2806492968e56fab8298a3285a1663c83827cf5f9ab053aee46675a0c
534d820868823c23aac058857ce3d8574f4646e02932405aba96e33f21bb60ff
595a2a2d6f22dccd00cb3913a64ab5557babd5914aa896ffed9af089c48ccc14
2919e76dced53555f70e001344ad6077e46c17a17c6a7551f606fd2be87f6042
8b4f02e9e31e40131166738b0894f856ceda8f1e836d53bd282b1f88b3799c18
839e40ef075f127658162da621f67ed6dd8619b6ad48d9f6d0a06756adbb0e2e
993f460a289cf97fdf275eec6b4d1f61fda5f252637f445747cb4d5ee04527d2
SH256 hash:
f4eac0d00dfe41f7f9101668cead008cb20658e438fe82a4cc066f048796739d
MD5 hash:
0ac8ad8bf8aadeb702e1074c6f7d5f0e
SHA1 hash:
f9db5b4051efc3d2583adba13ed1219d9aa9d3d6
Link:
https://www.unpac.me/results/1372af3e-7569-4b29-b415-c2bb6a7af62f/
SH256 hash:
5e95b92999dc337f367d2c8e91e68daadbcdfc537d2d11fa2612ce68a58e8d04
MD5 hash:
e3df2dd40f0ce5dcd593a52653983ca4
SHA1 hash:
d7d895a35867dc41c8a03ab5ec3aa4e38e1a08a3
Link:
https://www.unpac.me/results/1372af3e-7569-4b29-b415-c2bb6a7af62f/
SH256 hash:
e9267b23d5c28c9a15e32a27b0ceb62ffe7e2cf46f23c963381f79ef8e887d0f
MD5 hash:
b36d8c1050aae89621b99881a8a29f6e
SHA1 hash:
36ea9b87885df8d9589ece812d0915005d079db7
Link:
https://www.unpac.me/results/1372af3e-7569-4b29-b415-c2bb6a7af62f/
SH256 hash:
839e40ef075f127658162da621f67ed6dd8619b6ad48d9f6d0a06756adbb0e2e
MD5 hash:
06e19074abf3e4a31f44aed8c0dd4041
SHA1 hash:
13834814b5cc4e084b015fca73ec666c9fdca1f9
Link:
https://www.unpac.me/results/1372af3e-7569-4b29-b415-c2bb6a7af62f/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/839e40ef075f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.75
Link:
https://yomi.yoroi.company/submissions/839e40ef075f127658162da621f67ed6dd8619b6ad48d9f6d0a06756adbb0e2e

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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/280180/

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