MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e2bb153627e7cbf914f93bdfa91d1a44b4e405bd277090e1d1a4dac106f13a41. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: e2bb153627e7cbf914f93bdfa91d1a44b4e405bd277090e1d1a4dac106f13a41
SHA3-384 hash: f9466097b6f4af07751dc801f5f841ca751e0c347db0d09bdeb79fd132508b2b9038dea6c930945d5f237e9943c9f6a1
SHA1 hash: 5955acdbfb6ee2630ff63f190b68dde0d8c3bd4a
MD5 hash: 6f18d0c2bf97b4f28141a03148d67a7c
humanhash: mexico-twenty-solar-twelve
File name:swift_pdf.exe
Download: download sample
Signature Formbook
File size:718'848 bytes
First seen:2022-05-31 07:29:37 UTC
Last seen:2022-05-31 09:08:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:SKF3Gl1/qYvc0CMrkeNFB8Qy6PBmYwmXNGP/fl5ASIUnIf906j5wqqSyFWzc8/:Sp/nvc0CWk2FzPmF/ARUn6jvp/
TLSH T1B8E4E0197A7ADE12C26906B6C0D7051403F1554B9372D79B3FCD22F61E02BA6ACCA78F
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon d2961d3133038ee8 (24 x AgentTesla, 18 x FormBook, 8 x Loki)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
277
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
swift_pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-05-31 07:42:56 UTC
Tags:
formbook trojan stealer

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
Launching a process
Creating a process with a hidden window
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe update.exe
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
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
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 636498 Sample: swift_pdf.exe Startdate: 31/05/2022 Architecture: WINDOWS Score: 100 47 www.chimneyrepairbiloxi.com 2->47 49 chimneyrepairbiloxi.com 2->49 61 Snort IDS alert for network traffic 2->61 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 13 other signatures 2->67 11 swift_pdf.exe 7 2->11         started        signatures3 process4 file5 39 C:\Users\user\AppData\...\AYRDkdYgUv.exe, PE32 11->39 dropped 41 C:\Users\...\AYRDkdYgUv.exe:Zone.Identifier, ASCII 11->41 dropped 43 C:\Users\user\AppData\Local\...\tmpF983.tmp, XML 11->43 dropped 45 C:\Users\user\AppData\...\swift_pdf.exe.log, ASCII 11->45 dropped 71 Uses schtasks.exe or at.exe to add and modify task schedules 11->71 73 Adds a directory exclusion to Windows Defender 11->73 75 Tries to detect virtualization through RDTSC time measurements 11->75 15 swift_pdf.exe 11->15         started        18 powershell.exe 25 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 77 Modifies the context of a thread in another process (thread injection) 15->77 79 Maps a DLL or memory area into another process 15->79 81 Sample uses process hollowing technique 15->81 83 Queues an APC in another process (thread injection) 15->83 22 explorer.exe 15->22 injected 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        process9 dnsIp10 51 www.financeenovationinc.com 22->51 53 www.46458.pet 103.120.80.18, 80 WEST263GO-HKWest263InternationalLimitedHK Hong Kong 22->53 55 8 other IPs or domains 22->55 69 System process connects to network (likely due to code injection or exploit) 22->69 30 rundll32.exe 12 22->30         started        signatures11 process12 dnsIp13 57 www.46458.pet 30->57 85 System process connects to network (likely due to code injection or exploit) 30->85 87 Tries to steal Mail credentials (via file / registry access) 30->87 89 Tries to harvest and steal browser information (history, passwords, etc) 30->89 91 3 other signatures 30->91 34 cmd.exe 2 30->34         started        signatures14 process15 signatures16 59 Tries to harvest and steal browser information (history, passwords, etc) 34->59 37 conhost.exe 34->37         started        process17
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-05-24 10:24:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:n6g4 loader rat spyware stealer suricata
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
Modifies Internet Explorer settings
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Reads user/profile data of web browsers
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
8b7db9c00f3f0789ee9333e93251e41c33144606da95a0e5f69bda3e8d4bb072
MD5 hash:
b6fa45b89dd1ad3c27b7da49e59b5617
SHA1 hash:
d1f88a8680915f74a3bb0fcee4559c938399dfd6
SH256 hash:
86b902c64615c9739ffdcd5f6947230784e45839525e423daed66a0a69cad0c8
MD5 hash:
9720edf8bd726da7395ccc0c0d97cae3
SHA1 hash:
693bce929850d221146c15f0ac0195de06b7c982
SH256 hash:
3ed48a34f4ec29d6913b1e8e9e7cb29b8cb978280fdcb4cf576a075ba9ae78d9
MD5 hash:
508821f8cc91325f9f570b09ccc0c8b3
SHA1 hash:
615958ff1e9eb4857cd041414390c3e6b1b84e64
SH256 hash:
0d96f42e9c0d024bf67880bdf15efbfe099984ac096641fc42ddbc98f7a2dbe2
MD5 hash:
edb88abccb4490ea4e8a64f940c565fe
SHA1 hash:
85a221b0f6b3223a17bd5f311c6a625da5f96f70
SH256 hash:
e2bb153627e7cbf914f93bdfa91d1a44b4e405bd277090e1d1a4dac106f13a41
MD5 hash:
6f18d0c2bf97b4f28141a03148d67a7c
SHA1 hash:
5955acdbfb6ee2630ff63f190b68dde0d8c3bd4a
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.

Malspam

Formbook

Executable exe e2bb153627e7cbf914f93bdfa91d1a44b4e405bd277090e1d1a4dac106f13a41

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments