MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a915e631517c5b9eadd5062e2c12d33521950a2650d56e69f60ed0d783f35345. 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: 10
| SHA256 hash: | a915e631517c5b9eadd5062e2c12d33521950a2650d56e69f60ed0d783f35345 |
|---|---|
| SHA3-384 hash: | eeb4dc2e3c794fb082ab83e89ae4102a8b3e09c6f56f23cbee34f6bc007f1c3f30b912ee9075b5bdaf7260b4b4bc4a80 |
| SHA1 hash: | 62366d82b7228afffbf631a5722ad982eeabadda |
| MD5 hash: | 306cff2617d35e1d6cb33f36c890e701 |
| humanhash: | march-mexico-bravo-network |
| File name: | Halkbank_Ekstre_20231004_073809_405897.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 641'536 bytes |
| First seen: | 2023-10-05 09:31:26 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:jB8zS55mFzLXH6o1lbBwFQ/hnuY5qjiAWzbNpFL2c09+gq/AD:jBf55q336o1lbpnuY5AibXaf9/B |
| TLSH | T110D4220032692732EB3E8BF319726DA107B53B7B2595F6597DED12EE142AF644340B83 |
| TrID | 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10523/12/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4505/5/1) |
| Reporter |  abuse_ch |
| Tags: | exe FormBook geo Halkbank TUR |
Intelligence
File Origin
# of uploads :
1
# of downloads :
280
Origin country :
NLVendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Gathering data
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.evad
Score:
96 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.LokiBot
Status:
Malicious
First seen:
2023-10-04 11:25:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
18 of 24 (75.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
agenttesla
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
4e1d0acd8df0963ae1023673fd70de7002e0b09ca934b85599424b3946874b73
MD5 hash:
28639e0149e13d41b1610e84202f72bb
SHA1 hash:
6eebf71af746de9df8923e4e7363e8cf65a492f7
SH256 hash:
a7dbdc2baafb2900d0c7c13a64217b4b5c09fe673631f0b9126c027380d93799
MD5 hash:
8658e3c2989701cced085171fdac955a
SHA1 hash:
e4c7caca0a993bdbfbde6d14d26b22435151ad60
SH256 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
SH256 hash:
af10a81d30ea6c14a0857caa64697f78672a941419d679b34eedb82e080ad46b
MD5 hash:
ec0b80883f0b18fb75a48dd18795f514
SHA1 hash:
afe9537c27362b6769a1df0ad414b8e58d34ea40
SH256 hash:
815f3646df46eae902bbbf8ee57b877c68455fcc0f39a9ccad47320bd5334309
MD5 hash:
050abab696f3f0c7afb48fe836606169
SHA1 hash:
aef7d477a2a560da8c95ca55879c7dc87fb784f6
SH256 hash:
a915e631517c5b9eadd5062e2c12d33521950a2650d56e69f60ed0d783f35345
MD5 hash:
306cff2617d35e1d6cb33f36c890e701
SHA1 hash:
62366d82b7228afffbf631a5722ad982eeabadda
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: | AgentTesla_DIFF_Common_Strings_01 |
|---|---|
| Author: | schmidtsz |
| Description: | Identify partial Agent Tesla strings |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| 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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