MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 762bfb4d60c0f58658f0f04470856ae4305c4d1f7d1f3fb9c053cbb5f15fd57e. 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: 17


Intelligence 17 IOCs YARA 7 File information Comments
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SHA256 hash: 762bfb4d60c0f58658f0f04470856ae4305c4d1f7d1f3fb9c053cbb5f15fd57e
SHA3-384 hash: f78a07d60cbe2241be8f85aa1e42b6b6e66c8f047a25f640cd8284888df967da5b3381cd10b690abc4f42a942cddddb7
SHA1 hash: 6d0b6bba281ed8ae9c9b8b9bc53f34b721608400
MD5 hash: 6030be9effde524bcdbcf14ec05ca651
humanhash: east-island-ten-uranus
File name:SecuriteInfo.com.PWSX-gen.15104.7180
Download: download sample
Signature Formbook
Create hunting rule
File size:957'440 bytes
First seen:2025-02-05 03:34:14 UTC
Last seen:2025-02-05 04:30:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:4AbsbLgqUZsCHbn1VBbRj+PWIdEeM73Itc8Dulwg32EiylMBnfU2J96i:3mgfZV5bQ+eM7125yGzHZ
TLSH T1A415017CE2E76F21E79C4172C8D16D0483AA748DA433F30E60C541E5AC2EFD869A6797
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon 8018b49492b41880 (13 x Formbook, 4 x AgentTesla, 4 x MassLogger)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
480
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.PWSX-gen.15104.7180
Verdict:
No threats detected
Analysis date:
2025-02-05 03:34:39 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/fce4c156-85cb-426f-969b-41701215446f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.18462.6142.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67a2dda82dcee78dd8196a33
Tags:
agenttesla virus msil
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
net_reactor obfuscated obfuscated obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67a2dc3d66fcf02ddcd67e69/reports/dde06ea3-ca43-4e78-a12d-affe6c4ffe73/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/762bfb4d60c0f58658f0f04470856ae4305c4d1f7d1f3fb9c053cbb5f15fd57e
Result
Verdict:
SUSPICIOUS
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/adc1bb3b-504b-4675-87ca-5cd11eccedd7
Result
Threat name:
FormBook, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1607098
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/762bfb4d60c0f58658f0f04470856ae4305c4d1f7d1f3fb9c053cbb5f15fd57e
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/762bfb4d60c0f58658f0f04470856ae4305c4d1f7d1f3fb9c053cbb5f15fd57e/
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Create hunting rule
Status:
Malicious
First seen:
2025-02-05 03:35:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oyv7wtlayd2ymwhq6bchbblk4qyfyti7pupt7ooakpf3l4k72v7a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:i62s discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/250205-d4x5zsypek/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/37d6f223-20d6-4a8f-9d15-d8bfc8da2719
Unpacked files
SH256 hash:
762bfb4d60c0f58658f0f04470856ae4305c4d1f7d1f3fb9c053cbb5f15fd57e
MD5 hash:
6030be9effde524bcdbcf14ec05ca651
SHA1 hash:
6d0b6bba281ed8ae9c9b8b9bc53f34b721608400
Link:
https://www.unpac.me/results/86a9013b-999f-47b1-84da-8f716d3cbc8e/
SH256 hash:
4868f365fba3eaa32eb4e50b10564badd8aeb99d721d578deee28aedd8fe53b7
MD5 hash:
4076160069b79bbb4d08d45463314526
SHA1 hash:
699651805bb6cad6c3869ad15410f3ecc8ca6c5d
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/86a9013b-999f-47b1-84da-8f716d3cbc8e/
SH256 hash:
8c4e13aaabce1efbae570e2e0e6040082644e8c20f85da7f546c25535dc398e8
MD5 hash:
998c47671f4749d1b767048bbc4f697d
SHA1 hash:
a2033914e46f2833ed7cb12ae6e027c40aa91014
Link:
https://www.unpac.me/results/86a9013b-999f-47b1-84da-8f716d3cbc8e/
SH256 hash:
e712bcd56fe64742c0f674f3acff83490f8103c260ea3389f56151b5066b7cd3
MD5 hash:
7bad4197d1ae020c9049a782eb9a71d2
SHA1 hash:
e1253047ea92beb7d161b106765ad8b03bc86b1e
Link:
https://www.unpac.me/results/86a9013b-999f-47b1-84da-8f716d3cbc8e/
SH256 hash:
713e2b561d32ab9ba4e8239f1887785363f2f3c9a618967c0d083cb94da1f411
MD5 hash:
a98ef02f34c557e92592cd40a9ea9e77
SHA1 hash:
c88752dbe04f709956f8305bcb312f386f742dbb
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/86a9013b-999f-47b1-84da-8f716d3cbc8e/
Parent samples :
cdb3229e64d90c75e9205357001b037333e36ecf141098dab1971d82cfa238ee
009ba20b8c436d6b47e991e7a7f5afa3999f34096b3ee207fed916ab53af7c9b
d24759c2da85654f95e71923c3b6a4ed23aee296e4fd70f436ee3bfa190647c4
762bfb4d60c0f58658f0f04470856ae4305c4d1f7d1f3fb9c053cbb5f15fd57e
be689687f31bdae68fe666068033c3ca36c2169bb27b4a7cf43db71826cb2753
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/762bfb4d60c0/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/762bfb4d60c0f58658f0f04470856ae4305c4d1f7d1f3fb9c053cbb5f15fd57e

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:DotNet_Reactor
Create hunting rule
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:PureCrypter
Create hunting rule
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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 (GUARD_CF)high

Comments