MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 91b5a61f0615710ef9ca5fd015e1cbe36b908516c5882463e4bdc694133c0829. 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: 16
| SHA256 hash: | 91b5a61f0615710ef9ca5fd015e1cbe36b908516c5882463e4bdc694133c0829 |
|---|---|
| SHA3-384 hash: | 641c9bbde1988c0f65b223f5699a500bd555bbadd93e806c49bfd4dec402ebda6ff9f96cafcc3c639830c6bcfc23b257 |
| SHA1 hash: | a2c84573b26a5c8f928a07c642b5bdf01c4c842f |
| MD5 hash: | 0ff8e474e408769e00d0a563fd112b6f |
| humanhash: | washington-hydrogen-illinois-angel |
| File name: | SecuriteInfo.com.Variant.Jaik.107269.23782.2039 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 276'653 bytes |
| First seen: | 2022-12-07 01:28:29 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | ab6770b0a8635b9d92a5838920cfe770 (84 x Formbook, 30 x AgentTesla, 15 x Loki) |
| ssdeep | 6144:QBn1o2vrhVpx41JVnhm643WTQWRlq3B3BQjD32nPcPj:gXhVpm1PCE6xQjSW |
| TLSH | T1994412A220E165B7D19A08705D9D5F51A7B8ED36C064000FAFF40F6BDAE2BD7CE2A153 |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
202
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SecuriteInfo.com.Variant.Jaik.107269.23782.2039
Verdict:
Malicious activity
Analysis date:
2022-12-07 01:31:31 UTC
Tags:
formbook xloader trojan stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Searching for the window
Creating a file in the %temp% directory
Creating a window
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
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.spyw.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)
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 dropped file
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
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2022-12-06 23:40:23 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 39 (56.41%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:sdq4 rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
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
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Executes dropped EXE
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
e2fb348ac2788666d3a647fa5b0d660c587c3b1b25b4533b7305fc2c25ff304c
MD5 hash:
f8e50be5357533fcf0583f12d78b3e24
SHA1 hash:
bbfa3921b44f60c61223ab047eafd7d2029cd47f
Detections:
XLoader
win_formbook_auto
win_formbook_g0
SH256 hash:
ff95cabf90697785b71d79e133939f6c31334408800a7499381c11e93c4ed809
MD5 hash:
72b703220fc9e90adb32ab945eb948e1
SHA1 hash:
a063304d45c53efbd7903acbda4dcabf5aa8be31
SH256 hash:
97a2cccbc9e313d4907e747ad6e56b0303296d60199be583fe909d0a5ec015dd
MD5 hash:
ca66448ddf3d8c99d956564665138180
SHA1 hash:
0c61cdb7acdd2cbf45abf138043cf45bb2ae3434
SH256 hash:
91b5a61f0615710ef9ca5fd015e1cbe36b908516c5882463e4bdc694133c0829
MD5 hash:
0ff8e474e408769e00d0a563fd112b6f
SHA1 hash:
a2c84573b26a5c8f928a07c642b5bdf01c4c842f
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.58
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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