MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 156b5c448e30912d7d21ca87fbb01a5c9006a3093c236e05809a4b4ecacd7400. 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: 14
| SHA256 hash: | 156b5c448e30912d7d21ca87fbb01a5c9006a3093c236e05809a4b4ecacd7400 |
|---|---|
| SHA3-384 hash: | 5f4c6459d75ec128d4c421d2c8f850c1a12cf90a7abc29f0ee0e8cfef6684ac6d3123ac1ac219b0145412e22bf95ec0c |
| SHA1 hash: | 2f91f9b7d2cfe4b4fb9fd0844122367c5e5e43e7 |
| MD5 hash: | 42d0d53263cd0d757870fc6c847dc066 |
| humanhash: | indigo-burger-fix-juliet |
| File name: | IRQ2107798_pdf.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 455'653 bytes |
| First seen: | 2022-02-23 07:51:43 UTC |
| Last seen: | 2022-02-23 09:02:18 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla) |
| ssdeep | 12288:YdZzbE0t7XKpy+E0d4uMZhkrHQoadh3GU:KXk4HUHQNn |
| Threatray | 13'522 similar samples on MalwareBazaar |
| TLSH | T1B3A48FD0A261C5E7FAE645F15C2E682215B21D6DECE4110E54BB332979B33A220DFB4F |
| File icon (PE): |  |
| dhash icon | cc94aace8eaa96c4 (1 x Formbook) |
| Reporter |  lowmal3 |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
210
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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.
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-02-23 07:52:12 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
23 of 28 (82.14%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 13'512 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:s1m4 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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Unpacked files
SH256 hash:
44118ef8c9bdc8cdbba322ce7ee0fa1a7da763b20f646114961b842b356d096e
MD5 hash:
fa1b2f774045620e6c63fb9fb1ec3a40
SHA1 hash:
ae5978ddbf081389d09522bd97508c6121875648
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
b80e247fb2e7665916eeddc1eb3571ddd119bcbc876b79660119235d53e25d3c
MD5 hash:
9d3cda0e30b8112a8aeaef24872c21da
SHA1 hash:
48fbd0f6b143188808eeb5de9403b3eafa882f96
SH256 hash:
156b5c448e30912d7d21ca87fbb01a5c9006a3093c236e05809a4b4ecacd7400
MD5 hash:
42d0d53263cd0d757870fc6c847dc066
SHA1 hash:
2f91f9b7d2cfe4b4fb9fd0844122367c5e5e43e7
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.
Malspam
Delivery method
Distributed via e-mail attachment
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