MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 955f2a6426664a728fde4871d6309cf821c17187b4671e3917d83dc968d36e96. 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: 12


Intelligence 12 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 955f2a6426664a728fde4871d6309cf821c17187b4671e3917d83dc968d36e96
SHA3-384 hash: 5c7ca046e5b9151c82c097bd6a4dccf21012e4d39743ed40ae86793004bd2f3dc25acfa8853ca9989de7356669fe6c22
SHA1 hash: 4a98a9cbaf3ba53bfdbff33f93269ad78be3d737
MD5 hash: 9fe9321d88dfb4ed2906150e6cdad85f
humanhash: yankee-vegan-twelve-leopard
File name:SecuriteInfo.com.Win32.PWSX-gen.177.26778
Download: download sample
Signature Formbook
Create hunting rule
File size:727'560 bytes
First seen:2024-04-23 15:42:43 UTC
Last seen:2024-04-23 16:14:34 UTC
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:zVzqbHzpol+L7EJ6eOm5fEF+1h8grFInmYNKt4UX+4W/S98yWgMl5uoGTBVUyx5S:p2lo40JnD5fXhryml4GW/4pQ5uoAUy0
TLSH T1F8F4122096E96F1BF7BED7756021881243B2B59BB125E34E9FC241CE49F0FE48814B67
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
486
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated overlay packed
Link:
https://www.filescan.io/uploads/6627d70c3137a4e0f3be7709/reports/141d1d49-bbd4-4acd-b300-9deac53d0117/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/955f2a6426664a728fde4871d6309cf821c17187b4671e3917d83dc968d36e96
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/6305e3cd-e90b-4386-9251-9c74f8d8df0e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1430479
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/955f2a6426664a728fde4871d6309cf821c17187b4671e3917d83dc968d36e96
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/955f2a6426664a728fde4871d6309cf821c17187b4671e3917d83dc968d36e96/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2024-04-23 14:02:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=svpsuzbgmzfhfd66jby5mme47aq4c4mhwrtr4oix3a64s2gtn2la._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/240423-s5x9pshf32/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
eb87d97d660d3169429c912ea5b35e8c39b1078716ce688024a39611a7e2d33e
MD5 hash:
1302b89d63ca45aa2bbc2a3b5dc4304c
SHA1 hash:
6f0e7525c95fe447cf142473d98dc056fe80327e
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/57806f31-b86c-4d93-9387-596d6fa92fc3/
SH256 hash:
cbe326134b1631488dce27f57d6b974a4b9d79c1dc7b72a0da11be6861cf77da
MD5 hash:
130ac7f266bc4c1a9eebeecd108b22f8
SHA1 hash:
d6a61049aae863ec6c6a5220c163723ef69b710a
Link:
https://www.unpac.me/results/57806f31-b86c-4d93-9387-596d6fa92fc3/
SH256 hash:
1c633f39a192f108f755e0bcf412e8489ad80781f3b7807c80892deb2526ff0d
MD5 hash:
e4b5d57e9e46a4e76075b5b92f71577f
SHA1 hash:
d76dc165724148193c6911cc75fc62c198737d3a
Link:
https://www.unpac.me/results/57806f31-b86c-4d93-9387-596d6fa92fc3/
Parent samples :
d89ea6a01347b82f963ed7960583e5d76c6a07e91852fae83bc290e0f64a06b2
3f700fd41c6cca501d50cc2f62afd8e0d951efc1a918aa65ab3e84ee563ff1d6
SH256 hash:
17e758aec7e150daffdc899f7043dca4610cab6f6424a3c01254bc68822ab47e
MD5 hash:
6d8cb5ede84c24c00bb6bd143d35dae3
SHA1 hash:
ad309fbcb590867b1a51ce946496447b40b59e57
Link:
https://www.unpac.me/results/57806f31-b86c-4d93-9387-596d6fa92fc3/
SH256 hash:
c3e31af31e789cff6ef7bc977211134f0c46634f3cc6b6e2778b673dc52218f8
MD5 hash:
0d83b6f1f0d061b450c1330eaa473b9e
SHA1 hash:
3716ed13ec942a0c583194fdb33416c6b963f045
Link:
https://www.unpac.me/results/57806f31-b86c-4d93-9387-596d6fa92fc3/
SH256 hash:
955f2a6426664a728fde4871d6309cf821c17187b4671e3917d83dc968d36e96
MD5 hash:
9fe9321d88dfb4ed2906150e6cdad85f
SHA1 hash:
4a98a9cbaf3ba53bfdbff33f93269ad78be3d737
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/57806f31-b86c-4d93-9387-596d6fa92fc3/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/955f2a642666/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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