MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e978aeca824414a2dc136c53170762a358a51490786861f1f44784b5ff300db. 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: 12


Intelligence 12 IOCs YARA File information Comments

SHA256 hash: 1e978aeca824414a2dc136c53170762a358a51490786861f1f44784b5ff300db
SHA3-384 hash: 0fa8d1d51e9f4e520ab1e7bbd843657b3ddc8079ccc8a82ab1b742b1280c9ef88f5e0c83495dee2a0d80812e1c9f2c1f
SHA1 hash: 88a949fae42ad16a2f76231306e8ebbf4973f30c
MD5 hash: 6b96099f44ece58f73e41cea3da9a1d7
humanhash: item-alanine-salami-carbon
File name:file
Download: download sample
Signature Formbook
File size:762'880 bytes
First seen:2020-12-04 22:50:32 UTC
Last seen:2020-12-05 16:00:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:RHQ7wK/vjFSFH4BpKQjaEAfnp9pQ70W7PO5S28kpv9tH:eEK/vpyYBoxfm70WzEhZX
Threatray 3'127 similar samples on MalwareBazaar
TLSH F2F4F130717C7D95DB3A4AB2203162644F36791BDB7CC69D7DC6588E10EA702AF10BBA
Reporter fabjer
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
348
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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
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)
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: 326800 Sample: sxNl6OeOPIJyE9q.exe Startdate: 04/12/2020 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Yara detected AntiVM_3 2->38 40 Yara detected FormBook 2->40 42 3 other signatures 2->42 10 sxNl6OeOPIJyE9q.exe 3 2->10         started        process3 file4 28 C:\Users\user\...\sxNl6OeOPIJyE9q.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 sxNl6OeOPIJyE9q.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 www.trippingthemuse.com 158.51.62.25, 49742, 80 TIGERTECHUS Reserved 17->30 32 www.mtxiaoxue.com 156.230.95.140, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 17->32 34 8 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 colorcpl.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:
2020-12-04 07:31:24 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.anuschkaleathers.com/zsh/
Unpacked files
SH256 hash:
1e978aeca824414a2dc136c53170762a358a51490786861f1f44784b5ff300db
MD5 hash:
6b96099f44ece58f73e41cea3da9a1d7
SHA1 hash:
88a949fae42ad16a2f76231306e8ebbf4973f30c
SH256 hash:
c88a66cbf00b12c88e2b970b8bc220e970e8465e56098ced24e97d42be901b94
MD5 hash:
a60401dc02ff4f3250a749965097e13f
SHA1 hash:
3f22d28fd765f831084cb972a8bd071e421c26a1
SH256 hash:
546d6814fba4501103e31a9648e9be735108430bb03434e7302c87c2e70a5482
MD5 hash:
f88172ac40ffa7f349053dcbff4f18a8
SHA1 hash:
ceb7774cb4af361c7e146dbdbd09fd4cc1022e13
SH256 hash:
9c59c66cbda303f3a9f327c943c2db9ff00b8e8a44fe0204ebd0ce441a4e1d1f
MD5 hash:
3b1f449326c3472c63a26408c3fa1f25
SHA1 hash:
65ed605b1b8990dcea698a1dbcc911781a67e0d1
Detections:
win_formbook_g0 win_formbook_auto
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 1e978aeca824414a2dc136c53170762a358a51490786861f1f44784b5ff300db

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments