MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5ee5173078ed5928aae854a2137e786ae69ed518f3c12f38b8d14b361d571612. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5ee5173078ed5928aae854a2137e786ae69ed518f3c12f38b8d14b361d571612
SHA3-384 hash: e773b362f6b8e60cd6e3d7d6115290750a1c0f97cf609e81c2115d3cc7bf3d27437317cce75b6575c3d09cef2f9ef7a9
SHA1 hash: 7b8166e2aa1de8581386c9e0db7daec7d7b123ff
MD5 hash: e6ac4d4a607a86c1945f8337d7e4070a
humanhash: leopard-snake-mockingbird-harry
File name:e6ac4d4a607a86c1945f8337d7e4070a.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:677'376 bytes
First seen:2022-05-10 15:14:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:zmR67nbXiVrcNrW4lSYqZmVdSEAIn/mVq16co63eV:zmcTbyVrofKZe7ABXco6+
TLSH T15BE4220376469304C4BD21704DEB986087E577D7A9B3D2EA7D4943C18F15EB3ADA8B8C
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% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
251
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
e6ac4d4a607a86c1945f8337d7e4070a.exe
Verdict:
Malicious activity
Analysis date:
2022-05-10 15:33:07 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/3eeed515-2e55-45b9-ae98-f5e1e748f055

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/269473/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1293.30006.4756.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Connecting to a non-recommended domain
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
aspnet_compiler.exe obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/627a81bbb119a5f609b7b863/reports/05596b05-542e-494f-b6ce-c0f2f3a46e79/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/80cc57b6-7d8b-43f6-92a3-df97da68a0f1
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/991129
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Allocates memory in foreign processes
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
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 623635 Sample: F3cCuwtbgc.exe Startdate: 10/05/2022 Architecture: WINDOWS Score: 100 31 www.zyaxious.website 2->31 45 Snort IDS alert for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 8 other signatures 2->51 10 F3cCuwtbgc.exe 1 2->10         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\F3cCuwtbgc.exe.log, ASCII 10->29 dropped 53 Writes to foreign memory regions 10->53 55 Allocates memory in foreign processes 10->55 57 Injects a PE file into a foreign processes 10->57 14 aspnet_compiler.exe 10->14         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 14->59 61 Maps a DLL or memory area into another process 14->61 63 Sample uses process hollowing technique 14->63 65 2 other signatures 14->65 17 msiexec.exe 14->17         started        20 explorer.exe 14->20 injected process9 dnsIp10 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 23 cmd.exe 1 17->23         started        33 www.mentalnayaarifmetika.online 185.68.16.179, 49803, 80 UKRAINE-ASUA Ukraine 20->33 35 14offresimportantes.com 37.187.131.150, 49801, 80 OVHFR France 20->35 37 5 other IPs or domains 20->37 43 System process connects to network (likely due to code injection or exploit) 20->43 25 autochk.exe 20->25         started        signatures11 process12 process13 27 conhost.exe 23->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5ee5173078ed5928aae854a2137e786ae69ed518f3c12f38b8d14b361d571612/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-05-10 12:45:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ocgr loader rat suricata
Link:
https://tria.ge/reports/220510-smwm6acecl/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
7d8cfd4eab4aa77fe66110e0832f4074973bd0145314cd89111d2d1bdd3688fc
MD5 hash:
2b79011633ef10f823aa3a3166eb0960
SHA1 hash:
a1e614ba1b7b8b5e04fcd5f0cb263105cb20a64e
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/2e8dd9e7-7394-4d18-800f-16d1e14c6305/
Parent samples :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 hash:
be35e549c1c01138c1b87e1297d742e9efe331e5b0236814991655576f8fb6e8
MD5 hash:
e44cf45b9513fb94e497f818f3b2e11b
SHA1 hash:
fd9d7cc8939d37cb6e9792e0ddc734258d25d0dc
Link:
https://www.unpac.me/results/2e8dd9e7-7394-4d18-800f-16d1e14c6305/
SH256 hash:
30beb46016455b70acb5570c31d8fbd6f8ae800095b7a5d8e33113dcabe8c1c7
MD5 hash:
416bd3b22bf145222aa9cf4335e74bce
SHA1 hash:
643337f2b9d7bd35937301d4ef81aba2068e1009
Link:
https://www.unpac.me/results/2e8dd9e7-7394-4d18-800f-16d1e14c6305/
SH256 hash:
5ee5173078ed5928aae854a2137e786ae69ed518f3c12f38b8d14b361d571612
MD5 hash:
e6ac4d4a607a86c1945f8337d7e4070a
SHA1 hash:
7b8166e2aa1de8581386c9e0db7daec7d7b123ff
Link:
https://www.unpac.me/results/2e8dd9e7-7394-4d18-800f-16d1e14c6305/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/5ee5173078ed5928aae854a2137e786ae69ed518f3c12f38b8d14b361d571612

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 5ee5173078ed5928aae854a2137e786ae69ed518f3c12f38b8d14b361d571612

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2188186/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/269473/

Comments