MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 bfa5c7ef6ac526946d60e2ebcb22c2f9e3ffeec8c9d42bc6d54a6d3373815034. 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: 10
| SHA256 hash: | bfa5c7ef6ac526946d60e2ebcb22c2f9e3ffeec8c9d42bc6d54a6d3373815034 |
|---|---|
| SHA3-384 hash: | 4338212ac24fcf4b81d3db6bbec2e596659bd433f1eff587507a8c4b9efed398a51c8458d05b9f43ab55ce6c8d793002 |
| SHA1 hash: | 60b1b0e0936d9bed5f41227b988b9a19e8c34f1d |
| MD5 hash: | 967f1d16bade2332af66c593e15e9882 |
| humanhash: | dakota-summer-skylark-grey |
| File name: | TAX INVOICE pdf.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 843'776 bytes |
| First seen: | 2021-04-12 18:45:16 UTC |
| Last seen: | 2021-04-13 07:42:32 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 24576:carpHcQ3S1u074/02f4DdSLYaXEw2ZRcL:lpraU82wDdSLYyEw+Rc |
| Threatray | 4'645 similar samples on MalwareBazaar |
| TLSH | F505E16533E88B09E4BEABB518B0614007F1B545EB36DB4D7EE5188E0D72F918732B93 |
| Reporter |  TeamDreier |
| Tags: | FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
184
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TAX INVOICE pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-04-12 18:48:17 UTC
Tags:
n/a
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
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
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Sigma detected: Scheduled temp file as task from temp location
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
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.Swotter
Status:
Malicious
First seen:
2021-04-12 18:46:06 UTC
AV detection:
19 of 47 (40.43%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 4'635 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://w����5 �@q[*��S=���m
Unpacked files
SH256 hash:
5e0f3da625a479a5e7e807b5f09c889d95474139410b312ba3a39bcb05976729
MD5 hash:
3d20c2ea9ac04e1707f853bb1780bc18
SHA1 hash:
805e90b023eb92d44bbe11daefce6edbe872cb74
SH256 hash:
bfa5c7ef6ac526946d60e2ebcb22c2f9e3ffeec8c9d42bc6d54a6d3373815034
MD5 hash:
967f1d16bade2332af66c593e15e9882
SHA1 hash:
60b1b0e0936d9bed5f41227b988b9a19e8c34f1d
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
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MBC behaviors list (github.com/accidentalrebel/mbcscan):
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0) [B0009.029] Anti-Behavioral Analysis::Instruction Testing