MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f51981fa6724161490ba32cecb5508a089c9cf2774306220bfacd83cb75ddbf6. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f51981fa6724161490ba32cecb5508a089c9cf2774306220bfacd83cb75ddbf6
SHA3-384 hash: b2788cbee8650847bef254b726b2e61a0062f3f3d1e0503122a43481dd40ff08285d492d93f5a7cf6217af78c1ece009
SHA1 hash: 6f0d2c1afcd66b245072fd69a2649ee453ee23dd
MD5 hash: a9ba3c585388629bde8a8be7b71e8ca3
humanhash: summer-timing-pennsylvania-december
File name:E-dekont.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:680'448 bytes
First seen:2022-08-10 14:25:38 UTC
Last seen:2022-08-10 15:03:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:XVaCR8WNZgxvG0LnRUfhh12c0/dHs/H5aIgdhA/lT8gJT:XAC7rYnRMvBodM/H5Ict
TLSH T1B7E4F1198DE90DFDE1A1F772631380B0CDB36428D1E29E11A99659B33F36A3AE543F11
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:exe FormBook geo TUR

Intelligence

File Origin
# of uploads :
2
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
E-dekont.exe
Verdict:
Malicious activity
Analysis date:
2022-08-10 14:27:47 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a6246938-9cb8-41a2-9fc3-2cc904cc90c6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/297674/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.9940.25250.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62f3c005080024921b666200/reports/6c6515c7-34a3-44db-bb89-b76099c5e5c9/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bb1040f8-1550-4fd5-8bf3-1cbf14fa1a3f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1049284
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f51981fa6724161490ba32cecb5508a089c9cf2774306220bfacd83cb75ddbf6/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-08-10 10:28:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
23 of 40 (57.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6umyd6theqlbjef2glhmwviiuce4ttzhoqygeif7vtmdzn253p3a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:b29a rat spyware stealer trojan
Link:
https://tria.ge/reports/220810-rrt5fsdbg6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
832f2de75a7c61359c363124d14a35e6c7ac0dbc3219ba1c27e3fba655f7bd68
MD5 hash:
12947d1ea5e5046712e7caf158a3f0ce
SHA1 hash:
a3502d23aec532715f890d43c77a52ab715fb66e
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Link:
https://www.unpac.me/results/d513472c-3807-4ead-8853-71bfc464b573/
Parent samples :
500735b3993b79d6fdfb1d1f823885e6c7a1e4f21967e1a4b9750a6ad351036b
81e88b5bafde17114e6a246ab744386edb0eec652a0cecf6e3a97adf70ada851
f51981fa6724161490ba32cecb5508a089c9cf2774306220bfacd83cb75ddbf6
ebfcaab875819a883c8e6447e8e99e01bc01b0a3185773cd9e2ab915a338d144
1eb7b6a1a0b006da87d5d3fb8b29f40516f0a0c35a1cfe883d16acc023d13976
a3bde72cd0013917325ba06ff95e8fee3b6b90080c9cde5821ea6705c1c7742c
e1e1b5e1f7e90b3787b2381b90317c3334e8a51776071e412876edd4402dec25
bc33a7bbff1df02d7f45e97fa582296bbd4e49ae9eeff5698b15c1f0177da893
9aa82cf1503a5319e4ad73a655ecb111748bc643815ac729d466e303532245bf
f61693ee6e704d9f76d0de6e07777a4b07ac56405b659cad51921fe3e8c11985
SH256 hash:
64bbb0973afca5d54b8012953a0f9476efdded2902a02654a303f8218ca58ac2
MD5 hash:
f93bf52f9e12503336ecdc5ef9627210
SHA1 hash:
786242a23c7ea9999654fbc83829c1e8bffdd6f2
Link:
https://www.unpac.me/results/d513472c-3807-4ead-8853-71bfc464b573/
SH256 hash:
e17855de7341a2667381b432eba9ce229da49167971e373867385378039a0877
MD5 hash:
8bff785544ceb6908984d2574bb4d6d5
SHA1 hash:
9a6d00579ed041f0e69cb227a9bef573aeb399e0
Link:
https://www.unpac.me/results/d513472c-3807-4ead-8853-71bfc464b573/
SH256 hash:
18eb60c0eb3e1c610526d9f4b42684ac36a2ebb521514a8770dca2f2afd7f471
MD5 hash:
7ca239778f9f46d28b08876564dba525
SHA1 hash:
973b0d0d98a83b7dfcf1bfce04a179b0f070b98c
Link:
https://www.unpac.me/results/d513472c-3807-4ead-8853-71bfc464b573/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/d513472c-3807-4ead-8853-71bfc464b573/
SH256 hash:
f51981fa6724161490ba32cecb5508a089c9cf2774306220bfacd83cb75ddbf6
MD5 hash:
a9ba3c585388629bde8a8be7b71e8ca3
SHA1 hash:
6f0d2c1afcd66b245072fd69a2649ee453ee23dd
Link:
https://www.unpac.me/results/d513472c-3807-4ead-8853-71bfc464b573/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f51981fa6724/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/f51981fa6724161490ba32cecb5508a089c9cf2774306220bfacd83cb75ddbf6

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
Create hunting rule
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/297674/

Comments