MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 19bff37c5b894b30a3522a73a35387fce64f890b94745399c5e72e5bf9c46138. 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: 13
| SHA256 hash: | 19bff37c5b894b30a3522a73a35387fce64f890b94745399c5e72e5bf9c46138 |
|---|---|
| SHA3-384 hash: | 376f5b9ee951f80c3c2b236ebf73a014a68b2da0db0147bc81a741c2afc25acd723e23819663412600d5a0c17692d7f5 |
| SHA1 hash: | aaa444a5c82faa49f41cf4cb3061643a6a34afe3 |
| MD5 hash: | 3ac264ceee3388c6277fcd6f53cbbafd |
| humanhash: | magnesium-cat-alabama-diet |
| File name: | PO 38687901.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 352'670 bytes |
| First seen: | 2023-09-12 07:28:56 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader) |
| ssdeep | 6144:JYa66pD4dl89E4aiKu1ONiqGXi4n20av4UMpGp8q13g9PWcQ2NECtcXvjXRAE1cQ:JYst4dlz4aiNJi0IvmGvg9PWz2NEbvjF |
| Threatray | 104 similar samples on MalwareBazaar |
| TLSH | T1747422903E60D9AFE8D582726D35EFB38AD27C039D169B5723A0B659B5733C0C90E742 |
| 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 | e4dcd8c4d4d4c4d4 (95 x AgentTesla, 51 x Formbook, 12 x RemcosRAT) |
| Reporter |  lowmal3 |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
295
Origin country :
DEVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PO 38687901.exe
Verdict:
Malicious activity
Analysis date:
2023-09-12 07:29:51 UTC
Tags:
formbook xloader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a process from a recently created file
Сreating synchronization primitives
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
Gathering data
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
control formbook lolbin overlay packed shell32
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-09-12 00:28:06 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
25 of 36 (69.44%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 94 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
ab454a45927870cee1b19518f6a08856113f9b235021806056d14de3f81a7d6b
MD5 hash:
071627a180e2c526ddd4ecaa0002542f
SHA1 hash:
2fa666f5969514d7975ea72ea1c7381660bda566
Detections:
win_formbook_w0
win_formbook_g0
SH256 hash:
568a7da2bff42094514b3c8cda6ddbb35ee512c1555e6108bc4a8f1b0ca82f05
MD5 hash:
9c399b7c7da398a5912deba1b7712327
SHA1 hash:
8b914fe46df7335df48e5abf6cda0a668af17faf
SH256 hash:
8c41ff0ce4a5c43639c3afba2b5158b5d0677a93b92a62922c6e4aa59234abc3
MD5 hash:
46919b186590b3c0fbda918a8aafcf3d
SHA1 hash:
a02264dd7483c5d2923cceb76c555810257ce052
SH256 hash:
19bff37c5b894b30a3522a73a35387fce64f890b94745399c5e72e5bf9c46138
MD5 hash:
3ac264ceee3388c6277fcd6f53cbbafd
SHA1 hash:
aaa444a5c82faa49f41cf4cb3061643a6a34afe3
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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: | DebuggerCheck__GlobalFlags |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerHiding__Active |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerHiding__Thread |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | maldoc_find_kernel32_base_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | maldoc_getEIP_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| Rule name: | Windows_Trojan_Formbook |
|---|---|
| Author: | @malgamy12 |
| Rule name: | Windows_Trojan_Formbook_1112e116 |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_formbook_w0 |
|---|---|
| Author: | @malgamy12 |
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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