MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 91f60a872e5e336db2b2811c1a93f2d7526ae5693928cb78f9740b472048631e. 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: | 91f60a872e5e336db2b2811c1a93f2d7526ae5693928cb78f9740b472048631e |
|---|---|
| SHA3-384 hash: | 34d43397e1c702daf495c6f69f2468d134057b1a4a71519024336cf4f2602db037b1823abedb55bf17555f38abf2b61a |
| SHA1 hash: | 7937c75dbf90791f2d80dd4f1f7b0259c500fa0b |
| MD5 hash: | a8f05496829ef24f71b599c50b02737c |
| humanhash: | shade-delaware-black-steak |
| File name: | 55431096.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 260'273 bytes |
| First seen: | 2021-06-14 06:07:01 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla) |
| ssdeep | 6144:JPB6AF1tEKUq7agq4JIXCWLknjd1civTCOOeLxPK:FDFTBUO/pJIXCvjROMJK |
| TLSH | 9D4412ABB2E19D3BF09781720D376336FBB6E28C96541A4343F45FAD0E5849287451CB |
| Reporter |  lowmal3 |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
55431096.exe
Verdict:
Malicious activity
Analysis date:
2021-06-14 06:11:05 UTC
Tags:
installer trojan formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
DNS request
Sending an HTTP GET request
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser 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.
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
Detected unpacking (changes PE section rights)
Found malware configuration
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)
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
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:
2021-06-09 16:37:53 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
5/5
Detection(s):
Malicious file
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook 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 UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.111bjs.com/ccr/
Unpacked files
SH256 hash:
c8711f1f4d99aa3d4756c772436b2b8e41cd42f74f907ae8ce330f8a07e12844
MD5 hash:
f8a97ed69b13092aff9cb30f4f80ef73
SHA1 hash:
2b8a3f5bff70e5f9d5f237387e747e6be45572fd
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
MD5 hash:
c17103ae9072a06da581dec998343fc1
SHA1 hash:
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d
SH256 hash:
91f60a872e5e336db2b2811c1a93f2d7526ae5693928cb78f9740b472048631e
MD5 hash:
a8f05496829ef24f71b599c50b02737c
SHA1 hash:
7937c75dbf90791f2d80dd4f1f7b0259c500fa0b
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.47
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
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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