MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 11e6ab62f510d436211942941718cf7ae1efc83653b74f87722799b51eac4477. 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 17 File information Comments

SHA256 hash: 11e6ab62f510d436211942941718cf7ae1efc83653b74f87722799b51eac4477
SHA3-384 hash: 9c95a12b4479e744e3b379cac30aa472c40137d97117ec881a36b8949236895f8ef494f1970d721cb3f17f0ed090c493
SHA1 hash: 8077d1d93fab469d38f7452245e49b9c7b0de4fc
MD5 hash: 99e41abf752c282789b0159ceee0dc00
humanhash: echo-glucose-tennis-wisconsin
File name:RFQ Letter and Instructions.scr
Download: download sample
Signature Formbook
File size:723'968 bytes
First seen:2024-02-19 10:09:08 UTC
Last seen:2024-02-19 11:24:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:PSmPwRYnOELz89WJ+3XExp+LUX514Ua75hrLlOU72hQ14tdDWCbJi8nbWDfR2IH2:PSmP0Y74nExp+L6j4h7xOU72+1qdr0pT
Threatray 6 similar samples on MalwareBazaar
TLSH T197F42319B0EACB3EEABA167DA46690EC02B073553436D3996CD5519D0D73F821F20BE3
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)
File icon (PE):PE icon
dhash icon ccd4cc68f0d4d469 (6 x Formbook, 5 x AgentTesla, 3 x PureLogsStealer)
Reporter abuse_ch
Tags:exe FormBook scr

Intelligence


File Origin
# of uploads :
2
# of downloads :
293
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
11e6ab62f510d436211942941718cf7ae1efc83653b74f87722799b51eac4477.exe
Verdict:
Malicious activity
Analysis date:
2024-02-19 10:11:35 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
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:
MSIL Injector
Verdict:
Malicious
Result
Threat name:
FormBook, PureLog Stealer
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Initial sample is a PE file and has a suspicious name
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1394447 Sample: RFQ Letter and Instructions... Startdate: 19/02/2024 Architecture: WINDOWS Score: 100 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 Sigma detected: Scheduled temp file as task from temp location 2->58 60 11 other signatures 2->60 9 RFQ Letter and Instructions.scr.exe 7 2->9         started        13 EvIChUgZDOyFJ.exe 5 2->13         started        process3 file4 50 C:\Users\user\AppData\...vIChUgZDOyFJ.exe, PE32 9->50 dropped 52 C:\Users\user\AppData\Local\...\tmp84A9.tmp, XML 9->52 dropped 64 Adds a directory exclusion to Windows Defender 9->64 66 Injects a PE file into a foreign processes 9->66 15 RFQ Letter and Instructions.scr.exe 9->15         started        18 powershell.exe 22 9->18         started        20 powershell.exe 23 9->20         started        22 schtasks.exe 1 9->22         started        68 Antivirus detection for dropped file 13->68 70 Multi AV Scanner detection for dropped file 13->70 72 Machine Learning detection for dropped file 13->72 24 EvIChUgZDOyFJ.exe 13->24         started        26 schtasks.exe 1 13->26         started        signatures5 process6 signatures7 78 Maps a DLL or memory area into another process 15->78 28 gJYpGVTtsioaYzPmK.exe 15->28 injected 30 WmiPrvSE.exe 18->30         started        32 conhost.exe 18->32         started        34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        38 gJYpGVTtsioaYzPmK.exe 24->38 injected 41 conhost.exe 26->41         started        process8 signatures9 43 cmdkey.exe 28->43         started        62 Maps a DLL or memory area into another process 38->62 46 cmdkey.exe 38->46         started        process10 signatures11 74 Maps a DLL or memory area into another process 43->74 76 Queues an APC in another process (thread injection) 43->76 48 explorer.exe 43->48 injected process12
Threat name:
ByteCode-MSIL.Trojan.Heracles
Status:
Malicious
First seen:
2024-02-19 04:21:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
0e23b88199ed67e66ac21841274f27e1a4280e60133b1f3a50ab798558b96bed
MD5 hash:
07bf5efe25f33ce133de355c5b009be3
SHA1 hash:
c37f485d2388056e451a17b3d9af3a0fcd643fbd
SH256 hash:
0373371fbd3e160bcda079e9f73e80e7988d8162af9f2b0fa5e286fa114b20a0
MD5 hash:
1b2fe46511f64656f4cc3bc4806eec02
SHA1 hash:
b480c8acae71e670040d8c67f57f713b5d18e488
SH256 hash:
72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628
MD5 hash:
2a8240bba06e832ee5d136a0a7e5b5b9
SHA1 hash:
de49d9b33004a4a622a4279b3ee2b3e3e5cd012b
SH256 hash:
8fa59195fa9d060818461cc6a4546bbd9ae254b33d8352adb0922b2f8d43c766
MD5 hash:
945385e144d6436a32fbd4610d3c1e25
SHA1 hash:
a85e6d3aaf2d95ca0fce374575c0d0791c6c6387
SH256 hash:
06e657f27dec7d4238de33bccffe2afe0ddeb0db34b1b67c9824784dc4c2ab0b
MD5 hash:
4e889cbaa7a03d4d3c31d6ef203ad840
SHA1 hash:
7b2723a8cbfa237773b733fd59c8445ea9e3356b
SH256 hash:
11e6ab62f510d436211942941718cf7ae1efc83653b74f87722799b51eac4477
MD5 hash:
99e41abf752c282789b0159ceee0dc00
SHA1 hash:
8077d1d93fab469d38f7452245e49b9c7b0de4fc
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:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
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 11e6ab62f510d436211942941718cf7ae1efc83653b74f87722799b51eac4477

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments