MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6137b4de219fce7538feaecc75252730393b4335fabf3c11024a3d1b0942819c. 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 2 File information Comments
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SHA256 hash: 6137b4de219fce7538feaecc75252730393b4335fabf3c11024a3d1b0942819c
SHA3-384 hash: 2eb5ea00b8ed454a9ec41308a7c340b0d45159a1c09cce4b01ba93b96e48ce2b78126ba3eb3f22be3262ffdd1eb074c6
SHA1 hash: 61c6aad9ef764498287a9a75e24fbe24233b12ad
MD5 hash: d8c065784d2511874e0df468ee54ddc5
humanhash: echo-twenty-burger-east
File name:HEUR-Trojan-Spy.MSIL.Stealer.gen-6137b4de219fce7538feaecc75252730393b4335fabf3c11024a3d1b0942819c.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:999'424 bytes
First seen:2022-05-20 12:29:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'658 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:5Pyq3NlePymqliiydFaC1/XwZJM4/Ca1fe/CtBxD804YP3/SSsFR:bNPmEPKFaCpgZiBCzGonq
Threatray 15'664 similar samples on MalwareBazaar
TLSH T1FA259E027398851DF5BB8BB6A1B45004CBF9F453C377CB9EE4A5145E1FA2382DA4B362
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)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
275
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
HEUR-Trojan-Spy.MSIL.Stealer.gen-6137b4de219fce7538feaecc75252730393b4335fabf3c11024a3d1b0942819c.exe
Verdict:
Malicious activity
Analysis date:
2022-05-20 21:00:17 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/52ff9868-de29-46e0-b19b-d5fa06b92b77

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/273014/
Detection(s):
SecuriteInfo.com.Trojan.GenericKDZ.72780.10752.9442.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/62878a08054dcf0ecad1d38f/reports/77736f3c-1ef2-4930-a5c3-de0477de013e/overview
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/199a03bc-51c6-4c05-825d-dc55ce96dfb3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/998680
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 631175 Sample: 0942819c.exe Startdate: 20/05/2022 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 13 other signatures 2->52 10 0942819c.exe 7 2->10         started        process3 file4 32 C:\Users\user\AppData\...\dyTVOBsvBaeJh.exe, PE32 10->32 dropped 34 C:\...\dyTVOBsvBaeJh.exe:Zone.Identifier, ASCII 10->34 dropped 36 C:\Users\user\AppData\Local\...\tmpCADF.tmp, XML 10->36 dropped 38 C:\Users\user\AppData\...\0942819c.exe.log, ASCII 10->38 dropped 64 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->64 66 Uses schtasks.exe or at.exe to add and modify task schedules 10->66 68 Tries to detect virtualization through RDTSC time measurements 10->68 70 Injects a PE file into a foreign processes 10->70 14 0942819c.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures5 process6 signatures7 72 Modifies the context of a thread in another process (thread injection) 14->72 74 Maps a DLL or memory area into another process 14->74 76 Sample uses process hollowing technique 14->76 78 Queues an APC in another process (thread injection) 14->78 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 40 ext-sq.squarespace.com 198.185.159.144, 49776, 80 SQUARESPACEUS United States 19->40 42 www.inspirednycharm.com 19->42 44 www.culturespk.com 19->44 54 System process connects to network (likely due to code injection or exploit) 19->54 25 wscript.exe 19->25         started        signatures10 process11 signatures12 56 Self deletion via cmd delete 25->56 58 Modifies the context of a thread in another process (thread injection) 25->58 60 Maps a DLL or memory area into another process 25->60 62 Tries to detect virtualization through RDTSC time measurements 25->62 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6137b4de219fce7538feaecc75252730393b4335fabf3c11024a3d1b0942819c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-01 05:17:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
35
AV detection:
25 of 41 (60.98%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
046bf8a6c9bc47b10b80a2ca83289714a931b5d10d864e02d2e20fdc09301108
Formbook
55580a7b5ec8510e0bf498f20928778b6c7b2071a31d8332f809a7a718c66b48
Formbook
66e06710b095c687448e0b08240a99f84dfbfc24882a2c8c9f5b165f58469d8f
Formbook
7c6393b4e86ea5cec49c0f814b17e4bb85aa447c19896037252a94ff6416ce1b
Formbook
8309d803c92faaf24828cd67e4c1041f9465ecf6c63f7608d7ed4579f075a02c
Formbook
9da4d8126ac0c4c0b68066407e24cf1a36e06f0fc22ef87b0a464f90c1374095
Formbook
9f7fd0ad05c3b8f6d3945a0753b7b20fc53528cfbf7c8b4a2ab7f49795937b44
Formbook
a2cdf452f83aa86c0f3ade321cfc00a9ed3671082372081a67cad84a26492051
Formbook
bdc84c917558fe1a4055309a8d6ad6d89d2cdf5a6741c218ace44f70489f9260
Formbook
e8be28fabd7cdb2d4e96137dae73bd9b227a86b654c696e9fd401cb37ec68267
Formbook
+ 15'654 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:kbl evasion rat spyware stealer trojan
Link:
https://tria.ge/reports/220520-ppgegabef3/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Looks for VMWare Tools registry key
CustAttr .NET packer
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
Unpacked files
SH256 hash:
e6d55ea1bf26b4658cf7533091e0fcf1f0ab04e2d5b337b060853a1b95669c4f
MD5 hash:
7e1e48c9ec5e580d12c7b591b873e1e7
SHA1 hash:
cf421a1e19a851998c8fb6df1f77835ce73306d9
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/fdb8e1a0-be04-47c6-9cd2-b934ccda13c1/
Parent samples :
c3a69db8642855e1dfcbcb213f7f050c5fb2d86744183b13483411f97009c2a0
6137b4de219fce7538feaecc75252730393b4335fabf3c11024a3d1b0942819c
SH256 hash:
fec081ce4c7e335a4958bc768e6365fa29d8205ead247269220b8c0c6a73981f
MD5 hash:
f46a8cad49debe3102558c84deed3456
SHA1 hash:
d93074b012d55aabb54c132808e6e97be9562cfd
Link:
https://www.unpac.me/results/fdb8e1a0-be04-47c6-9cd2-b934ccda13c1/
SH256 hash:
5c948df744f9dce1997d972bec3cdee8bbaa3fc9080b16e20e93e4b1dc6545d8
MD5 hash:
5af1f94bf3dcb6886739caf6d76c8f65
SHA1 hash:
8927f6a8f7c53b92e19d1bb403580481e3bd461a
Link:
https://www.unpac.me/results/fdb8e1a0-be04-47c6-9cd2-b934ccda13c1/
SH256 hash:
6137b4de219fce7538feaecc75252730393b4335fabf3c11024a3d1b0942819c
MD5 hash:
d8c065784d2511874e0df468ee54ddc5
SHA1 hash:
61c6aad9ef764498287a9a75e24fbe24233b12ad
Link:
https://www.unpac.me/results/fdb8e1a0-be04-47c6-9cd2-b934ccda13c1/
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/6137b4de219fce7538feaecc75252730393b4335fabf3c11024a3d1b0942819c

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
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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/273014/

Comments