MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86454b77cdc4f19a5252bad1903ef369ab233047801380881e9f6f31640d7804. 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 2 File information Comments

SHA256 hash: 86454b77cdc4f19a5252bad1903ef369ab233047801380881e9f6f31640d7804
SHA3-384 hash: 698b0ac494d91e427917d3da5cc1b3ea762f975c15c62d1e88de4089702d04529b7476e4526dd7c8c9510856d06f74fb
SHA1 hash: bb04a6f85fcfa81663232c11f27fa76ffe4a4883
MD5 hash: b0da259c9d505cac6b903a9e83266b7c
humanhash: nitrogen-hotel-indigo-skylark
File name:Purchase invoice.exe
Download: download sample
Signature Formbook
File size:628'736 bytes
First seen:2022-07-20 11:23:27 UTC
Last seen:2022-07-20 12:00:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Wgc62831hTdVv+ue9pi/07x4q2rQ+rE/qS3c:WdLQTbZeDi87xuo/qS3c
TLSH T123D4F10036BCAFA2D97D97F96864948403F6175F227DE74A0DD2B4DF2A36F014A50E0B
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b271c0cccccc61b2 (16 x AgentTesla, 8 x Loki, 8 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
305
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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
Behaviour
Behavior Graph:
n/a
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-07-20 11:24:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ja38 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:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
SH256 hash:
86b4a845c0e95c6af77b73f563690897ec7cc7d9bb516c0ea1a03a44ce5795f9
MD5 hash:
555f7c107f9f1d90c7808cc40eaee294
SHA1 hash:
814ad02533eecbf266edd0db31b2fda9a62b4b8f
SH256 hash:
ca4e3745f87ae419e10fa9dd15e9814f66a7dca601ae70bd3ae3b0b0781e9491
MD5 hash:
6491ab64072f34a6124f4cdf1d9bdd43
SHA1 hash:
78008e0c188d1732ebb5bbfe6d15892ebe32b1f7
SH256 hash:
6d066b5a8353519ddd7e7d1b9063cb06c8d3b0b7dc46c5601c56c225e538c728
MD5 hash:
b7147672dc7baed516bfa2252a50b366
SHA1 hash:
417be99b9a26506faf4dc431ae9519b20bd68a8e
SH256 hash:
86454b77cdc4f19a5252bad1903ef369ab233047801380881e9f6f31640d7804
MD5 hash:
b0da259c9d505cac6b903a9e83266b7c
SHA1 hash:
bb04a6f85fcfa81663232c11f27fa76ffe4a4883
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 86454b77cdc4f19a5252bad1903ef369ab233047801380881e9f6f31640d7804

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments