MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c61f614dcb99b9ca9d5671a78e38480e51af4cfb1a11605564e55b4ad8c2407d. 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: 11
| SHA256 hash: | c61f614dcb99b9ca9d5671a78e38480e51af4cfb1a11605564e55b4ad8c2407d |
|---|---|
| SHA3-384 hash: | 701371414e779dab94d2e4b495417178e604269f55c335715a8ec9d4437682ba0bcc0a164da7bc915d15519f65a99f83 |
| SHA1 hash: | 69f25f7b13974cbb2fbcd5579cce2061f952e5ab |
| MD5 hash: | d3a4bbe6e31f1032043377fa30df7ce6 |
| humanhash: | steak-victor-lemon-quiet |
| File name: | Proforma Invoice.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 587'776 bytes |
| First seen: | 2020-12-16 14:14:06 UTC |
| Last seen: | 2020-12-16 15:46:12 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:v2oCTC8eFW1YZCu4mAayCWslmy/jT+D9:vUqW1YZC1p |
| Threatray | 3'286 similar samples on MalwareBazaar |
| TLSH | 65C46A242AEE6019F173AF7A4BE47096DBAFF6733706D45E2491038B0723E41DE91639 |
| Reporter |  James_inthe_box |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Proforma Invoice.exe
Verdict:
Malicious activity
Analysis date:
2020-12-16 14:14:28 UTC
Tags:
trojan formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
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
Gathering data
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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)
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
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-12-16 12:56:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
25 of 29 (86.21%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 3'276 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:formbook family:xloader loader rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.teelinkz.com/o56q/
Unpacked files
SH256 hash:
c61f614dcb99b9ca9d5671a78e38480e51af4cfb1a11605564e55b4ad8c2407d
MD5 hash:
d3a4bbe6e31f1032043377fa30df7ce6
SHA1 hash:
69f25f7b13974cbb2fbcd5579cce2061f952e5ab
SH256 hash:
a650e993f935816c16b60ff2e939ce9432cd4542b14bd564d6f65ff3b781e5f3
MD5 hash:
be5ef590cedc21e18b06a101f6fa72fb
SHA1 hash:
53443128620e0c4fc8d619e551ad0efdfb06d6d3
SH256 hash:
6508df693bc73ae0f33ce029083315cd7c1bdb6669bf5cbf71a4d34931ff6143
MD5 hash:
3c7dec4366dc62944e9b2eb422a39e4b
SHA1 hash:
784577c2189c2437abd49331af359c6268ac4ef9
SH256 hash:
d1111b4b9dcf5d43eea9b3668e501a8b5959335342c878deb423cf62362169bd
MD5 hash:
3c4f1ac34b80b5b1fbd7b07e9578707b
SHA1 hash:
f9b26147e28d3ce7d81f180293c056030917f9c5
SH256 hash:
b831be9d2ba12011abd74da5d60a3cf56f52e94dcdd97d9cda2c2a02c2ce15e8
MD5 hash:
76e3566aee88919c013fdd299788df12
SHA1 hash:
7f193b53f2e948c97f1c9858658da5cc95adec82
Detections:
win_formbook_g0
win_formbook_auto
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
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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