MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b55e23e6276caef1b6268fa6f0a4e1351c8640fdc434948164093e1230228ced. 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: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: b55e23e6276caef1b6268fa6f0a4e1351c8640fdc434948164093e1230228ced
SHA3-384 hash: 996afde0fd45e8e9c21560e97624c8df077bc52ba46c31fc56d24861179ed328ab8f5f15617ab174be4f1601bc6267d2
SHA1 hash: 947c931cdf1d6de3d0d51b7250261b78410e1998
MD5 hash: d6d48fd5a489b5de989a5b20f2e1214c
humanhash: edward-echo-seven-delta
File name:quotation request.exe
Download: download sample
Signature Formbook
File size:806'400 bytes
First seen:2020-12-03 14:17:12 UTC
Last seen:2020-12-03 16:07:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:u//bcZPVrIvXzIcV9rbdb+HfypLNiHKcxjNcMgs3/i7jtRfbC2q41EopcaS2cUXX:U4NUvXzVlbAVxcdD1
Threatray 3'102 similar samples on MalwareBazaar
TLSH 6D0528AD3611B2DFC857CD72CA681C64EB90A47B830BD347A05316EDAA4D99BCF141F2
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Launching cmd.exe command interpreter
Result
Gathering data
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
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
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
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 326460 Sample: quotation request.exe Startdate: 03/12/2020 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected AntiVM_3 2->40 42 6 other signatures 2->42 10 quotation request.exe 1 2->10         started        process3 file4 28 C:\Users\user\...\quotation request.exe.log, ASCII 10->28 dropped 52 Injects a PE file into a foreign processes 10->52 14 quotation request.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 landscapedesignvalley.com 34.102.136.180, 49749, 49758, 80 GOOGLEUS United States 17->30 32 talkinghorseequine.com 160.153.136.3, 49744, 80 GODADDY-AMSDE United States 17->32 34 9 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 help.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-12-03 14:16:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.danneroll.com/mnc/
Unpacked files
SH256 hash:
b55e23e6276caef1b6268fa6f0a4e1351c8640fdc434948164093e1230228ced
MD5 hash:
d6d48fd5a489b5de989a5b20f2e1214c
SHA1 hash:
947c931cdf1d6de3d0d51b7250261b78410e1998
SH256 hash:
9584f6d01e6452371cc9b4828030a13045d99c243c497b63628828e66aabe26f
MD5 hash:
7476e403eef14ac403c63c7279831780
SHA1 hash:
8387f558e30dc115987ac2b5c174a41302471abf
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.

  
Delivery method
Other

Comments