MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ad3b435747bb04357281c56301e19121812bbf6c6464127e3f855de2bbaf41fc. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments

SHA256 hash: ad3b435747bb04357281c56301e19121812bbf6c6464127e3f855de2bbaf41fc
SHA3-384 hash: 4e90dd87d07a45d572312f6c8cedde41a64c4de7bccb83e415320f3ad2aa473c5edc630fd0f7d650c23a35889644de73
SHA1 hash: c1775b8a84469db87327ee46dc5decc6f0887505
MD5 hash: d3d9c4f33f75019fe2a775621722bd22
humanhash: freddie-angel-beryllium-paris
File name:DHL 467734825514.exe
Download: download sample
Signature Formbook
File size:689'664 bytes
First seen:2022-08-15 15:58:55 UTC
Last seen:2022-08-15 16:49:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:orM2TgxAVXTcrV2AMY2hJC+fpKf3Ik4aS5pfhyo7Pw5SzmzQXjra1ZIXS0GhjvqO:ggxjrVLMPhJ1fpy4a4KSzmzIC1chGFv/
TLSH T165E4CF9F2E9C4616CC3A07B4EC9C128067F27DA17602D6DE1CA371D6C5B239C4B98E67
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:DHL exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
265
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
DHL 467734825514.exe
Verdict:
Malicious activity
Analysis date:
2022-08-15 16:01:38 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
Sending a custom TCP request
Launching a process
Searching for the window
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
evasive packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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 domain / URL
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)
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 684288 Sample: DHL 467734825514.exe Startdate: 15/08/2022 Architecture: WINDOWS Score: 100 27 www.starstruckdancecenter.com 2->27 29 www.adaffairs.org 2->29 31 ghs.googlehosted.com 2->31 37 Snort IDS alert for network traffic 2->37 39 Multi AV Scanner detection for domain / URL 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 6 other signatures 2->43 9 DHL 467734825514.exe 3 2->9         started        signatures3 process4 file5 25 C:\Users\user\...\DHL 467734825514.exe.log, ASCII 9->25 dropped 55 Injects a PE file into a foreign processes 9->55 13 DHL 467734825514.exe 9->13         started        16 DHL 467734825514.exe 9->16         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 13->57 59 Maps a DLL or memory area into another process 13->59 61 Sample uses process hollowing technique 13->61 63 Queues an APC in another process (thread injection) 13->63 18 explorer.exe 13->18 injected process9 dnsIp10 33 swiftlinkshipping.com 162.144.4.239, 49778, 80 UNIFIEDLAYER-AS-1US United States 18->33 35 www.swiftlinkshipping.com 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 47 Uses netsh to modify the Windows network and firewall settings 18->47 22 netsh.exe 18->22         started        signatures11 process12 signatures13 49 Deletes itself after installation 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-08-15 07:59:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
43
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
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
Checks computer location settings
Unpacked files
SH256 hash:
5ebbbe5ce9c75da36183ae9aa4f68790b8b81cb7edf769c6007f3a4250f12aba
MD5 hash:
ea5381b4d91cd10c9e8f772a4f0ae2b6
SHA1 hash:
fed612b9efbdf94a66a49aceea28cf651e409560
SH256 hash:
86d4cb8e377b106f3030a5086f87756326adc4806b0a1f8718ba34a0f5584371
MD5 hash:
5d4ecd4dfd594704cc207f493bac73a6
SHA1 hash:
dbcdcc81a3d165a300ad9ddf8aff03e5412fd506
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
1b72d49a5e3db7a7a157408ac93240c7e0316ed7f6ddd10befc1af7e4bf7f68c
MD5 hash:
9c1436a35d82492bd09b6d65e4eaf94a
SHA1 hash:
2177711310aef753f821b881a4ee7f64f3bc9ef8
SH256 hash:
9f922026d5184b3bd312f567e3cdf62e556638fbb3d24ff767cdbdf347f2cb3a
MD5 hash:
07864090688c8242d9b8798854dd714f
SHA1 hash:
e22971de2058803ceebcab465712a8c037f69bbe
SH256 hash:
ad3b435747bb04357281c56301e19121812bbf6c6464127e3f855de2bbaf41fc
MD5 hash:
d3d9c4f33f75019fe2a775621722bd22
SHA1 hash:
c1775b8a84469db87327ee46dc5decc6f0887505
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
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.

Malspam

Formbook

Executable exe ad3b435747bb04357281c56301e19121812bbf6c6464127e3f855de2bbaf41fc

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments