MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b7d0e37b2c2465020c57cb6ca8b3d15546b862cef6a06fb2d4c6aa5d94263b0. 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: 11


Intelligence 11 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b7d0e37b2c2465020c57cb6ca8b3d15546b862cef6a06fb2d4c6aa5d94263b0
SHA3-384 hash: 8bb119dd45845546d73075ffb614e18de6d6e9406c4bf59e04c39f20a8255725bc734c7ed66e420d475dd214fa23ab65
SHA1 hash: 96021016c5a1470fb474412cfba5dc9817292f40
MD5 hash: b347be502cbf3a5616ac25f20d03630f
humanhash: echo-fish-victor-undress
File name:GWS SEPCIFICATION.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:282'207 bytes
First seen:2023-08-16 07:04:37 UTC
Last seen:2023-08-17 06:08:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:/Ya632u+LOG/obF3jpoeBz6GsR9k4/iSPRlwB6Xl:/Y12u13bx9DsVDDPRM6Xl
TLSH T10654125AE7A4C423EC6249B04A7916A25FFDED03A0E8860F2F509F6BB777241470E3D5
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):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter JAMESWT_WT
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
281
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
GWS SEPCIFICATION.exe
Verdict:
Suspicious activity
Analysis date:
2023-08-16 07:04:54 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/29da7451-487a-4b4b-9249-c9f6f78f07eb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/442966/
Detection(s):
Sanesecurity.Malware.28885.BadCo.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/102935/overview
Behaviour
MalwareBazaar
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1b7d0e37b2c2465020c57cb6ca8b3d15546b862cef6a06fb2d4c6aa5d94263b0
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bb8a20a2-47c9-49b4-8b2f-128e154ad181
Result
Threat name:
NSISDropper, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1291919
Signature
Detected unpacking (changes PE section rights)
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 dropped file
Multi AV Scanner detection for submitted file
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1b7d0e37b2c2465020c57cb6ca8b3d15546b862cef6a06fb2d4c6aa5d94263b0/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-08-16 00:22:19 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dn6q4n5syjdfaigfps3mvcz5cvkgxbrm55van6znjrvklwkcmoya._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230816-hwhgsage32/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Unpacked files
SH256 hash:
c2b15e074a90db6016d66d32343ffaab5191894ddf9401a3e40a55f0f959e3d4
MD5 hash:
31d8bc53323b55c07e4b48af3bb436c3
SHA1 hash:
6e43dfae02e870089ecf30c1dd6cef9975cb07ec
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/92fa75e8-378e-4a31-aeb6-7e514acecf3b/
Parent samples :
93512f8df3b84088ddebeaa216201bfc2a2e9d68ded4133a9ef94fc5f154b229
86fe793dd78fe5b8f80d271bad4f574577222d150fa1d21517f26ac8b77193be
1b7d0e37b2c2465020c57cb6ca8b3d15546b862cef6a06fb2d4c6aa5d94263b0
032948bc1f91de998ac96af702ec58223c3b15d653b9fa7778163dd5b120b5d6
2c6b67cc0adc1f6ca39dbffcce72276296faae3feffecee9051846ab5fc34b05
SH256 hash:
13a3f7469cd3fccc28a2f13f9f14075fbb34f6830b5ae18ac9680e4683122822
MD5 hash:
f2204d5335886f292dc02c0a754874ab
SHA1 hash:
a16afd9c7f1ff8ad19c33b6b313134ffaed8f0ed
Link:
https://www.unpac.me/results/92fa75e8-378e-4a31-aeb6-7e514acecf3b/
SH256 hash:
bcbab28911e309da8a3f879a86ee0ee963fd17d15a8a8239b369f47e6f046dbb
MD5 hash:
c5df75063ed3cadfc511334e4abdc951
SHA1 hash:
76dd4a06ac9c8e7acf74be071ad14890c04927bc
Link:
https://www.unpac.me/results/92fa75e8-378e-4a31-aeb6-7e514acecf3b/
SH256 hash:
1b7d0e37b2c2465020c57cb6ca8b3d15546b862cef6a06fb2d4c6aa5d94263b0
MD5 hash:
b347be502cbf3a5616ac25f20d03630f
SHA1 hash:
96021016c5a1470fb474412cfba5dc9817292f40
Link:
https://www.unpac.me/results/92fa75e8-378e-4a31-aeb6-7e514acecf3b/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1b7d0e37b2c2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1b7d0e37b2c2465020c57cb6ca8b3d15546b862cef6a06fb2d4c6aa5d94263b0

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/442966/

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