MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3afb9252d528d667bbdf62a3e7a235615ad0814911ca4690505822cbda24c380. 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: 9
| SHA256 hash: | 3afb9252d528d667bbdf62a3e7a235615ad0814911ca4690505822cbda24c380 |
|---|---|
| SHA3-384 hash: | 8c5dbcf01eca75d39675c28bf902ef2455109f411e90562d7b2f7859ca728c4c2fa96a8d80b078d31698301b48d19bcf |
| SHA1 hash: | 2b029e341ea5b3f672ea26b53f9a0f82290d9284 |
| MD5 hash: | 5eb7b14d01adefec30ec59fca21e8c07 |
| humanhash: | fourteen-purple-freddie-helium |
| File name: | SALARY_RECCEIPT.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'093'632 bytes |
| First seen: | 2020-10-23 06:59:02 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 24576:Zjks4viAk7GFDBx3AioA+k8xhYeKWPhCHR9jJhxom16j:VR4/k7GNBxwiwp9pcjCa6j |
| Threatray | 2'651 similar samples on MalwareBazaar |
| TLSH | 9C35BE027280DB52E2785BF1E42444F107F67C2BE5A9E29B4D92BDDE3971F409A43B1B |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
abuse_ch
Malspam distributing Formbook:HELO: server.haihongventures.partners
Sending IP: 70.39.235.199
From: HUMAN RESOURCES OFFICE <HR-Manager@victim-domain>
Subject: YOUR EMPLOYMENT STATUS
Attachment: SALARY_RECCEIPT.zip (contains "SALARY_RECCEIPT.exe")
Intelligence
File Origin
# of uploads :
1
# of downloads :
96
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
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: Suspicious Svchost Process
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:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-23 03:19:13 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 2'641 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
rat trojan spyware stealer family:formbook
Behaviour
Suspicious behavior: EnumeratesProcesses
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
Malware Config
C2 Extraction:
http://www.bigfoottheory.com/pto/
Unpacked files
SH256 hash:
3afb9252d528d667bbdf62a3e7a235615ad0814911ca4690505822cbda24c380
MD5 hash:
5eb7b14d01adefec30ec59fca21e8c07
SHA1 hash:
2b029e341ea5b3f672ea26b53f9a0f82290d9284
SH256 hash:
31ce938626ccfb399fe1696710caf46d7ae9eb598b9d7d2aad719b594658469b
MD5 hash:
0aebe46040ceb011e78506d4985fe3de
SHA1 hash:
218ac1e7b14a66c604ec3042f8486bed9cd4c2c1
SH256 hash:
b570e8155514f486156fb39cd673698a7daa0330c0a23cac9c5410a74d23709a
MD5 hash:
e8543d1299df6b90c707a1317a75c17b
SHA1 hash:
b693f214d6e91ed118058c991ff108e8d309dac0
SH256 hash:
d265aeb39d1dea699a0951c03c289505985149227aae01bf031963140d6887b5
MD5 hash:
c51593806cae936aee6a64a548adcac4
SHA1 hash:
5a140c3d9669d6b427bc220c701691a124ddd2cc
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
Delivery method
Distributed via e-mail attachment
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