MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 55e40397f7933e9ae3826ebb13481d4f91f31dd7c8e4de461f5f90679c05ffc6. 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
| SHA256 hash: | 55e40397f7933e9ae3826ebb13481d4f91f31dd7c8e4de461f5f90679c05ffc6 |
|---|---|
| SHA3-384 hash: | 5cd36e63071f214b56c8a235761fc624c4ab3f7c78053e3de1f515e201bb517f707635dbf44e933d3967e5ed6ed1492a |
| SHA1 hash: | 78bf28fc9cfc94fa4b0232d25b3eeebcc1d823e2 |
| MD5 hash: | 17069e546f158a94eebb67883783f236 |
| humanhash: | uncle-rugby-burger-blossom |
| File name: | LOI.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 747'520 bytes |
| First seen: | 2021-01-20 14:42:15 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 12288:5kgFNRZIe5J+SpmK/SZSa8X1+prp4wom8SCo42Y1e0LwmmtWMq2ZuD+puKAkSTDQ:W8jgYUGwmmWMrZuq0LzkWiFi3OhZ |
| Threatray | 3'592 similar samples on MalwareBazaar |
| TLSH | 02F4F13026849F56D1BC43346179567103F0BD12E712EB0E6EE479EE3EB36A18637A1B |
| Reporter |  James_inthe_box |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
150
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
LOI.exe
Verdict:
Malicious activity
Analysis date:
2021-01-20 16:08:05 UTC
Tags:
trojan formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
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
.NET source code contains potential unpacker
Found malware configuration
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-01-20 02:43:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
19 of 29 (65.52%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 3'582 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook evasion rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Gathers network information
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Deletes itself
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
Malware Config
C2 Extraction:
http://www.myoasisforhealing.com/zu8g/
Unpacked files
SH256 hash:
b20a083b9bbf02cb3546a712701b4a0066a814f0044df0994edc186d4d9ba3d6
MD5 hash:
1ba86278b195afe4c808603edf37e5d3
SHA1 hash:
3503c3f21e6a1bb9b6c185927b2f292412932b5e
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
d897c73de45da45bd12ea77da400dae176a0d2e0098eff58e87c2803d7c80631
MD5 hash:
63d8b92b8188aae3bc439dcd8ad1acaf
SHA1 hash:
e08e0b6cac0483e3dca68837a3fd612fa9947c7e
SH256 hash:
52d35fabfc97d3e903b5d9eb253e8f84d1dfee2967fa9dde6d6ca37cc61951c5
MD5 hash:
b5a7f2596efe4c5fc5f5d2c733d49259
SHA1 hash:
c121578124375dc293e4daf12fac22442a8131b6
SH256 hash:
55e40397f7933e9ae3826ebb13481d4f91f31dd7c8e4de461f5f90679c05ffc6
MD5 hash:
17069e546f158a94eebb67883783f236
SHA1 hash:
78bf28fc9cfc94fa4b0232d25b3eeebcc1d823e2
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Delivery method
Other
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