MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9e8236c0031bc36b82d7d6964a8f46ba037bc826c4eb7a23ea74e4e1f4f6b643. 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: 16


Intelligence 16 IOCs YARA File information Comments

SHA256 hash: 9e8236c0031bc36b82d7d6964a8f46ba037bc826c4eb7a23ea74e4e1f4f6b643
SHA3-384 hash: 5b6b5951a85a1c7614ad6b89aee0c4329c095507251b2b3c00d0fc2b8621d2183198c4334d3b5ca54273041ea3467073
SHA1 hash: 5235641d70560d94d000b9f2e48edbd37d177fdd
MD5 hash: aacabac7d4d4a9ecb798000418ad25b8
humanhash: harry-connecticut-timing-juliet
File name:4500379220.exe
Download: download sample
Signature Formbook
File size:799'232 bytes
First seen:2023-12-18 08:50:56 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 24576:oJwhfTD40dBuLnI31fHJ/KzhvFK/tzL7se:omFq4HJ/KzhktzL7
TLSH T1C805BE3925E2CB96F16DE639CC1C42394778AB00D35FD68A2998B3E52CEA3504C4E777
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)
File icon (PE):PE icon
dhash icon ad9b9aaceacab1b1 (1 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
291
Origin country :
HU HU
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control hook lolbin lolbin packed shell32 stealer
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.evad
Score:
100 / 100
Signature
.NET source code contains process injector
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1363828 Sample: 4500379220.exe Startdate: 18/12/2023 Architecture: WINDOWS Score: 100 34 www.trackt-aupost.com 2->34 36 www.theycant.love 2->36 38 11 other IPs or domains 2->38 42 Snort IDS alert for network traffic 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 8 other signatures 2->48 11 4500379220.exe 3 2->11         started        signatures3 process4 signatures5 56 Writes to foreign memory regions 11->56 58 Allocates memory in foreign processes 11->58 60 Injects a PE file into a foreign processes 11->60 14 calc.exe 11->14         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 2 other signatures 14->68 17 explorer.exe 47 6 14->17 injected process8 dnsIp9 28 www.therokkbot.com 91.195.240.117, 49715, 80 SEDO-ASDE Germany 17->28 30 www.gdpdu.cloud 89.31.143.90, 49712, 80 QSC-AG-IPXDE Germany 17->30 32 7 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 21 cmstp.exe 17->21         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-12-18 05:09:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:g05b rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
88f61a48b853618a6a48f8f29e69787382249e40cb6aa756072df9e965a8245a
MD5 hash:
f596768a025eaa213b9a1f9a5145273f
SHA1 hash:
33b6d68cf6d097877a7def56bbfd119e3f2f21a2
SH256 hash:
9e8236c0031bc36b82d7d6964a8f46ba037bc826c4eb7a23ea74e4e1f4f6b643
MD5 hash:
aacabac7d4d4a9ecb798000418ad25b8
SHA1 hash:
5235641d70560d94d000b9f2e48edbd37d177fdd
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

Formbook

Executable exe 9e8236c0031bc36b82d7d6964a8f46ba037bc826c4eb7a23ea74e4e1f4f6b643

(this sample)

  
Delivery method
Distributed via e-mail attachment

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