MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2c983f76b02245e87e5b264f1a89fae3f3fba72772f11615de582d1804acce9. 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: b2c983f76b02245e87e5b264f1a89fae3f3fba72772f11615de582d1804acce9
SHA3-384 hash: ac567861aca8e245cacf58d5ffab49b894387fd9efd34d8228b4493e3c1ecb6769300307e1a91b45ac2d79a4284b37ed
SHA1 hash: 303fc8db50848166890846756c5b1d2176394149
MD5 hash: f6f8e7854865f42d7607810488aeb4a5
humanhash: burger-tennis-timing-alpha
File name:DHL Notice_pdf.exe
Download: download sample
Signature Formbook
File size:878'592 bytes
First seen:2023-02-09 11:37:58 UTC
Last seen:2023-02-09 13:33:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 24576:mHCtn9BoO/NTSQlQXDQOtRyjfCG1odiDoy:NjKMjKmodmo
TLSH T13E15F16C2CB48715D16DC2FE86A32635E77F7E83B489D6290E8271CA0C787E35058D8B
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
180
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
DHL Notice_pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-02-09 11:38:33 UTC
Tags:
formbook xloader

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
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
greyware 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
Initial sample is a PE file and has a suspicious name
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
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
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 802753 Sample: DHL Notice_pdf.exe Startdate: 09/02/2023 Architecture: WINDOWS Score: 100 31 www.12thpresidentparty.com 2->31 37 Snort IDS alert for network traffic 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 7 other signatures 2->43 11 DHL Notice_pdf.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\DHL Notice_pdf.exe.log, ASCII 11->29 dropped 53 Injects a PE file into a foreign processes 11->53 15 DHL Notice_pdf.exe 11->15         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 15->55 57 Maps a DLL or memory area into another process 15->57 59 Sample uses process hollowing technique 15->59 61 Queues an APC in another process (thread injection) 15->61 18 explorer.exe 1 15->18 injected process9 dnsIp10 33 www.filter72.ru 45.130.41.87, 49704, 80 BEGET-ASRU Russian Federation 18->33 35 www.dewusc726.vip 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 cmmon32.exe 18->22         started        signatures11 process12 signatures13 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49 51 Tries to detect virtualization through RDTSC time measurements 22->51 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-02-09 11:38:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:sz17 rat spyware stealer trojan
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:
3b0d3207d4e8e1382b9f6c51594d5ff36a2bf4fb873f2296f5b3d3a6e133c198
MD5 hash:
c63ccc28137498f3e9a28af52e1c0c8f
SHA1 hash:
1c701cf3df971d7a8bef396038bbb36cdab89d26
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
8f878c3ef15f196f4232e79d567b1dba6b40d4062f26669111f8647bb1cc7138
MD5 hash:
6ee98ff7aa11f94acdae0820c8ea09f1
SHA1 hash:
d0720aa8101a6113539b226c4e7ce03b4f0a0673
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
SH256 hash:
46cb32256dba295b72212185d3bf29e54de9f78fe32a8e43c82288285c3bf721
MD5 hash:
453d8d23d417dacecac4ad0235d2b420
SHA1 hash:
6aaffef79f32f151aef9d5c548ac9055ea6c2f35
SH256 hash:
c7136c2ab8baed8d2ed9e7105eabd229216692f85d5e12b6d1fab3a0abb42bbe
MD5 hash:
cbb47e6d5aa87cffe8c1f5f5e7193d19
SHA1 hash:
39d6f7efc929dd852c87b6e526d4a9384ecb8c8d
SH256 hash:
b2c983f76b02245e87e5b264f1a89fae3f3fba72772f11615de582d1804acce9
MD5 hash:
f6f8e7854865f42d7607810488aeb4a5
SHA1 hash:
303fc8db50848166890846756c5b1d2176394149
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 b2c983f76b02245e87e5b264f1a89fae3f3fba72772f11615de582d1804acce9

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments