MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 27a558d460d700f26cb24a6f6b52d14fcbecf08cf984b3fd8a3a8f35e625ef49. 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: | 27a558d460d700f26cb24a6f6b52d14fcbecf08cf984b3fd8a3a8f35e625ef49 |
|---|---|
| SHA3-384 hash: | c0a0c764c120e7fc3d79f575ba7a4bf22266b9a21cfaa6af94c6dba6e4586289eac6dc76a40e71841797c2dabcbdbb49 |
| SHA1 hash: | b2c26b676f6f865e8343771b390ba87f24b9c17b |
| MD5 hash: | 7f2c4f8079bf13d389137bf2980aa88f |
| humanhash: | football-helium-item-kansas |
| File name: | Purchase Orders.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 858'112 bytes |
| First seen: | 2022-06-22 03:32:43 UTC |
| Last seen: | 2022-06-22 06:49:35 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 24576:K1YivcYiOw9F0vw9FEY9lw9FDc+l1KxBF2WMb4wdsz8GYiOw9F0cYiDw9F0cYiOn:KFvSOGGvGDlGhwF285dOGGSDGGSOGG |
| TLSH | T10305122071C4F756E07F1BBA157046600B39BBF72662DF5E4D8390EE0AA67014B29DEB |
| TrID | 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.4% (.EXE) Win64 Executable (generic) (10523/12/4) 6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.4% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.EXE) OS/2 Executable (generic) (2029/13) |
| Reporter |  GovCERT_CH |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
4
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Reading critical registry keys
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
fareit packed
Result
Verdict:
UNKNOWN
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
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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 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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
xloader
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-22 01:23:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
52
AV detection:
18 of 26 (69.23%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
10/10
Tags:
family:formbook family:xloader campaign:utg6 loader persistence rat spyware stealer suricata 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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Deletes itself
Reads user/profile data of web browsers
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
ad4274b20b0faf0ecffc508571f691383b2f556b8b7d850e5e97fca2fe8fdd39
MD5 hash:
cce19c5ce96a995f33711129b81c1ee6
SHA1 hash:
2eb5eab329a79eac56470c1b7d87ac6be7dd2982
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
SH256 hash:
838c9680d79635626232ef617dda6e216c3a7ce6d802e0d15a222610c7531472
MD5 hash:
e242f945044b2f008405581ad4cfc80d
SHA1 hash:
9aaa7ae4d7ccfd8e96d420936e5bdf69a74721cd
SH256 hash:
4a54bcf1b1878fbc68163515aebde492de1728d4dc3faa20e0b56bf1baf20111
MD5 hash:
a6c95052cc8b422342511792ea282dc3
SHA1 hash:
7f59ba0b583ce9c362637ab188bc6c77831e7744
SH256 hash:
880c9ff80de33cde042ab26d75677dab18fdc7695908d615c44efa8b5d8e088a
MD5 hash:
07e1e5baea35d75e784cce3b991a5fdc
SHA1 hash:
2f5cd9ad4acec13ddb49f9d69093f9fe475342c2
SH256 hash:
27a558d460d700f26cb24a6f6b52d14fcbecf08cf984b3fd8a3a8f35e625ef49
MD5 hash:
7f2c4f8079bf13d389137bf2980aa88f
SHA1 hash:
b2c26b676f6f865e8343771b390ba87f24b9c17b
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
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: | cobalt_strike_tmp01925d3f |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
| Rule name: | exploit_any_poppopret |
|---|---|
| Author: | Jeff White [karttoon@gmail.com] @noottrak |
| Description: | Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries. |
| Rule name: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Dropped by
formbook
Delivery method
Distributed via e-mail attachment
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