MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e57feb419a6737804816cd7418cb5baf7b9807f6b937898ed5bdf52f2cbc6135. 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

SHA256 hash: e57feb419a6737804816cd7418cb5baf7b9807f6b937898ed5bdf52f2cbc6135
SHA3-384 hash: 1254ec08bca3a0e6faaf2f809a43697e3995e0673ec3015947bffdb29a70072f63a0229a92fe28ece2add4334e5ad3d6
SHA1 hash: ea4dee1ca2912656c006c72081bb0d89e11e6af3
MD5 hash: 762d09e6f520c75b714fb22d8e7e4c9e
humanhash: lion-saturn-nine-lamp
File name:SecuriteInfo.com.Win32.PWSX-gen.17373.8323
Download: download sample
Signature Formbook
File size:807'424 bytes
First seen:2023-06-28 10:28:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:yNB8eIaI3DEmh/hw1lNpT9UtfXVIXLRGv:yD80I3DEuhw1l/aXVIX1G
Threatray 1'501 similar samples on MalwareBazaar
TLSH T179053938287D0B66C178C7E98ED18063F3A4953F3825EA295DC367D90A56F9225C363F
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)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
316
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.17373.8323
Verdict:
Malicious activity
Analysis date:
2023-06-28 10:29:56 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 file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 895618 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 28/06/2023 Architecture: WINDOWS Score: 100 55 www.asu667708.com 2->55 57 mayun.mayunmfycdn.com 2->57 59 gtm-sg-6wr31hs588k.gtm-i1d2.com 2->59 75 Snort IDS alert for network traffic 2->75 77 Found malware configuration 2->77 79 Malicious sample detected (through community Yara rule) 2->79 81 9 other signatures 2->81 11 QYAvcduT.exe 5 2->11         started        14 SecuriteInfo.com.Win32.PWSX-gen.17373.8323.exe 7 2->14         started        signatures3 process4 file5 87 Multi AV Scanner detection for dropped file 11->87 89 Machine Learning detection for dropped file 11->89 91 Tries to detect virtualization through RDTSC time measurements 11->91 17 QYAvcduT.exe 11->17         started        20 schtasks.exe 1 11->20         started        47 C:\Users\user\AppData\Roaming\QYAvcduT.exe, PE32 14->47 dropped 49 C:\Users\...\QYAvcduT.exe:Zone.Identifier, ASCII 14->49 dropped 51 C:\Users\user\AppData\Local\...\tmpE540.tmp, XML 14->51 dropped 53 SecuriteInfo.com.W....17373.8323.exe.log, ASCII 14->53 dropped 93 Uses schtasks.exe or at.exe to add and modify task schedules 14->93 95 Adds a directory exclusion to Windows Defender 14->95 22 powershell.exe 21 14->22         started        24 schtasks.exe 1 14->24         started        26 SecuriteInfo.com.Win32.PWSX-gen.17373.8323.exe 14->26         started        28 SecuriteInfo.com.Win32.PWSX-gen.17373.8323.exe 14->28         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 17->67 69 Maps a DLL or memory area into another process 17->69 71 Sample uses process hollowing technique 17->71 73 Queues an APC in another process (thread injection) 17->73 30 explorer.exe 2 1 17->30 injected 34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 24->38         started        process9 dnsIp10 61 1hz.web.9wund.9188809.com 23.224.56.242, 49700, 80 CNSERVERSUS United States 30->61 63 www.yy094ccck.top 30->63 65 www.gux7.com 30->65 97 System process connects to network (likely due to code injection or exploit) 30->97 40 msiexec.exe 30->40         started        signatures11 process12 signatures13 83 Modifies the context of a thread in another process (thread injection) 40->83 85 Maps a DLL or memory area into another process 40->85 43 cmd.exe 1 40->43         started        process14 process15 45 conhost.exe 43->45         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-06-28 05:22:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
66
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ga94 rat spyware stealer trojan
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
Formbook payload
Formbook
Unpacked files
SH256 hash:
8a1b54ab3a392d98de6b6cb345fa72b10b464662f008e2b1918a63e0ea2f1762
MD5 hash:
68b3754d1f53e86ef68665ecc2c35b03
SHA1 hash:
2bfd9ff3d6c6c036fdbc32e302fe5e1481199fea
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
9d6c73e273a966a4ed1d93350392d965792ddf5ad201bfa28b8adcec2e344db5
MD5 hash:
adac60763fcfe4d5f4ad323046e79500
SHA1 hash:
9ced772a90ddec9fffde8c745225ad289f3f087e
SH256 hash:
59277208c13354921c20490b6f86c707b2d206f453de3d623f2446523e0fc028
MD5 hash:
78d2bbd9a414c2ed5f59875fd7e4e88e
SHA1 hash:
3fef71719b9ffa94c0b4e82781bfd752c30534cb
SH256 hash:
973512f00ba81a790d2351f286c79dfea92692c9f7cd724e22ab11ff282f8130
MD5 hash:
3794c5f7b240e4184d6ea90c5bdd9ec6
SHA1 hash:
26b9c4a753779b4994fe38c16dfe70b07efd3e0d
SH256 hash:
8a1b54ab3a392d98de6b6cb345fa72b10b464662f008e2b1918a63e0ea2f1762
MD5 hash:
68b3754d1f53e86ef68665ecc2c35b03
SHA1 hash:
2bfd9ff3d6c6c036fdbc32e302fe5e1481199fea
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
9d6c73e273a966a4ed1d93350392d965792ddf5ad201bfa28b8adcec2e344db5
MD5 hash:
adac60763fcfe4d5f4ad323046e79500
SHA1 hash:
9ced772a90ddec9fffde8c745225ad289f3f087e
SH256 hash:
59277208c13354921c20490b6f86c707b2d206f453de3d623f2446523e0fc028
MD5 hash:
78d2bbd9a414c2ed5f59875fd7e4e88e
SHA1 hash:
3fef71719b9ffa94c0b4e82781bfd752c30534cb
SH256 hash:
973512f00ba81a790d2351f286c79dfea92692c9f7cd724e22ab11ff282f8130
MD5 hash:
3794c5f7b240e4184d6ea90c5bdd9ec6
SHA1 hash:
26b9c4a753779b4994fe38c16dfe70b07efd3e0d
SH256 hash:
8a1b54ab3a392d98de6b6cb345fa72b10b464662f008e2b1918a63e0ea2f1762
MD5 hash:
68b3754d1f53e86ef68665ecc2c35b03
SHA1 hash:
2bfd9ff3d6c6c036fdbc32e302fe5e1481199fea
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
9d6c73e273a966a4ed1d93350392d965792ddf5ad201bfa28b8adcec2e344db5
MD5 hash:
adac60763fcfe4d5f4ad323046e79500
SHA1 hash:
9ced772a90ddec9fffde8c745225ad289f3f087e
SH256 hash:
59277208c13354921c20490b6f86c707b2d206f453de3d623f2446523e0fc028
MD5 hash:
78d2bbd9a414c2ed5f59875fd7e4e88e
SHA1 hash:
3fef71719b9ffa94c0b4e82781bfd752c30534cb
SH256 hash:
973512f00ba81a790d2351f286c79dfea92692c9f7cd724e22ab11ff282f8130
MD5 hash:
3794c5f7b240e4184d6ea90c5bdd9ec6
SHA1 hash:
26b9c4a753779b4994fe38c16dfe70b07efd3e0d
SH256 hash:
8a1b54ab3a392d98de6b6cb345fa72b10b464662f008e2b1918a63e0ea2f1762
MD5 hash:
68b3754d1f53e86ef68665ecc2c35b03
SHA1 hash:
2bfd9ff3d6c6c036fdbc32e302fe5e1481199fea
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
9d6c73e273a966a4ed1d93350392d965792ddf5ad201bfa28b8adcec2e344db5
MD5 hash:
adac60763fcfe4d5f4ad323046e79500
SHA1 hash:
9ced772a90ddec9fffde8c745225ad289f3f087e
SH256 hash:
59277208c13354921c20490b6f86c707b2d206f453de3d623f2446523e0fc028
MD5 hash:
78d2bbd9a414c2ed5f59875fd7e4e88e
SHA1 hash:
3fef71719b9ffa94c0b4e82781bfd752c30534cb
SH256 hash:
973512f00ba81a790d2351f286c79dfea92692c9f7cd724e22ab11ff282f8130
MD5 hash:
3794c5f7b240e4184d6ea90c5bdd9ec6
SHA1 hash:
26b9c4a753779b4994fe38c16dfe70b07efd3e0d
SH256 hash:
e57feb419a6737804816cd7418cb5baf7b9807f6b937898ed5bdf52f2cbc6135
MD5 hash:
762d09e6f520c75b714fb22d8e7e4c9e
SHA1 hash:
ea4dee1ca2912656c006c72081bb0d89e11e6af3
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:pe_imphash
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.

Comments