MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 581c56d24fa3b9fa4d7e3d3e62b1b66206a8ec8b4ee35e11c6dda562f8e6e639. 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: | 581c56d24fa3b9fa4d7e3d3e62b1b66206a8ec8b4ee35e11c6dda562f8e6e639 |
|---|---|
| SHA3-384 hash: | 337a3a46474a3464ec94da326e977291eeb88bb1b3fe2a365fba2a445c1f6b2b866616dc1b55c415be4f04de7ed473c1 |
| SHA1 hash: | ebdf51284e43e7a61cdb32491b9467110e68420c |
| MD5 hash: | e39a581f34adb8afd14499de50f4276e |
| humanhash: | kansas-earth-comet-butter |
| File name: | ESP2808Y6IN.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 618'496 bytes |
| First seen: | 2023-11-03 07:58:15 UTC |
| Last seen: | 2023-11-03 09:19:51 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 12288:7DeC0h8ClfF6cbSwcq964DukVab3hHDJ:7D5S/2uHcqooukVab3hHD |
| Threatray | 8 similar samples on MalwareBazaar |
| TLSH | T1F6D4133226A92F2BD0BD8FFB4141691847B4352B90A4E31C2CD166D73C74B1A9B73797 |
| TrID | 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9) |
| File icon (PE): |  |
| dhash icon | 31f098b29298f031 (53 x AgentTesla, 30 x Formbook, 12 x RedLineStealer) |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
290
Origin country :
NLVendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
Labled as:
Trojan.Generic
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
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Deletes itself after installation
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-08-29 06:29:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
27 of 38 (71.05%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
Result
Malware family:
n/a
Score:
7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
7849b6c0f255f37092349b1755b3d03897c472d0867462a154786ace92616ee1
MD5 hash:
ae2ec9d68f3a1dc6d375b8c0356f8d10
SHA1 hash:
cca41540b6a4504dcaa6930900aeaf19466ad173
Detections:
win_formbook_w0
win_formbook_g0
SH256 hash:
a169ff30325aba709ef138d002d5def8d5def5729cafc3a856e56f577ccde034
MD5 hash:
982a462675182d6a83ad143da4166b54
SHA1 hash:
7df90c8b6fd3f501988367b7a81b94a0c0d93b0c
SH256 hash:
f2e6c31ab85000a925d2f51fd1ae3e23752c6121a830e14943745843343d303c
MD5 hash:
c96a44d5779401bffcd11c16ce210291
SHA1 hash:
c35c4e4c11aa9f01213ef507025c54adbd374b39
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
SH256 hash:
ebaf28744bfa555219d56440db49703efd0e1757e3e219eef119725b4f0090d5
MD5 hash:
13574c506380e6ec0da25e442099b8e4
SHA1 hash:
9900c86a1bb5a605e34de9a4167aa3b93225ec33
SH256 hash:
581c56d24fa3b9fa4d7e3d3e62b1b66206a8ec8b4ee35e11c6dda562f8e6e639
MD5 hash:
e39a581f34adb8afd14499de50f4276e
SHA1 hash:
ebdf51284e43e7a61cdb32491b9467110e68420c
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: | AgentTesla_DIFF_Common_Strings_01 |
|---|---|
| Author: | schmidtsz |
| Description: | Identify partial Agent Tesla strings |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| 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
Delivery method
Distributed via e-mail attachment
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