MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab0646fd7bf8dece42e0c38e843fbe4cbb9c18e0e98cb26cad14357fde20ed4a. 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: 17


Intelligence 17 IOCs YARA 1 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ab0646fd7bf8dece42e0c38e843fbe4cbb9c18e0e98cb26cad14357fde20ed4a
SHA3-384 hash: 2a7b2ee81f29a44dc99aac6e1e2dfec5ebf26b58b97cf11b1f9d59d609e486040f3aabdaa8fab051446d4c8e082b8623
SHA1 hash: 1b67e2878e558354287c4520d57d7e441a43a491
MD5 hash: 297c423d2a4a52a7f109240ae70b4ca1
humanhash: maryland-oranges-indigo-oxygen
File name:297c423d2a4a52a7f109240ae70b4ca1
Download: download sample
Signature Formbook
Create hunting rule
File size:292'287 bytes
First seen:2023-06-21 04:35:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:PYa6ZqAP7zUPusAHp0X94+O/kcw0u4vEEMLwdToNvrj5jcB4H6:PYLq0zcAHpa945fw4M81ugBB
Threatray 1'136 similar samples on MalwareBazaar
TLSH T1E354122037D1C053EA72047347B60A66AFF6B61205E88BCF27B49729BE62F40DE1D764
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 zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
331
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
202385 dated 20.06.2023 - СPS Grupp, LLC.xls
Verdict:
Malicious activity
Analysis date:
2023-06-20 11:10:00 UTC
Tags:
opendir exploit cve-2017-11882 loader formbook trojan stealer
Link:
https://app.any.run/tasks/e10489af-ed06-4408-a167-c1d70b2b916e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/401218/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.22779.32278.16961.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/91970/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/64927e32a746170017b7911c/reports/44ed2f53-5223-472c-a238-c3d6fd8c51ba/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/ab0646fd7bf8dece42e0c38e843fbe4cbb9c18e0e98cb26cad14357fde20ed4a
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/e7fead72-9bd5-4b69-ae83-c7f96ff487fd
Result
Threat name:
FormBook, PrivateLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1258768
Signature
Antivirus detection for URL or domain
Deletes itself after installation
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Yara detected PrivateLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 891788 Sample: y0uWRexXtw.exe Startdate: 21/06/2023 Architecture: WINDOWS Score: 100 53 Snort IDS alert for network traffic 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus detection for URL or domain 2->57 59 5 other signatures 2->59 9 y0uWRexXtw.exe 1 21 2->9         started        13 foktdy.exe 19 2->13         started        process3 file4 37 C:\Users\user\AppData\Roaming\...\foktdy.exe, PE32 9->37 dropped 39 C:\Users\user\AppData\Local\...\apeuke.dll, PE32 9->39 dropped 41 C:\Users\user\AppData\Local\...\nsl5F82.tmp, data 9->41 dropped 77 Detected unpacking (changes PE section rights) 9->77 79 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 9->79 81 Maps a DLL or memory area into another process 9->81 15 y0uWRexXtw.exe 9->15         started        43 C:\Users\user\AppData\Local\...\apeuke.dll, PE32 13->43 dropped 45 C:\Users\user\AppData\Local\...\nszA778.tmp, data 13->45 dropped 18 foktdy.exe 13->18         started        signatures5 process6 signatures7 87 Maps a DLL or memory area into another process 15->87 89 Sample uses process hollowing technique 15->89 91 Queues an APC in another process (thread injection) 15->91 20 foktdy.exe 19 15->20         started        process8 file9 33 C:\Users\user\AppData\Local\...\apeuke.dll, PE32 20->33 dropped 35 C:\Users\user\AppData\Local\...\nsc8867.tmp, data 20->35 dropped 61 Multi AV Scanner detection for dropped file 20->61 63 Detected unpacking (changes PE section rights) 20->63 65 Machine Learning detection for dropped file 20->65 67 Maps a DLL or memory area into another process 20->67 24 cmstp.exe 13 20->24         started        27 foktdy.exe 20->27         started        signatures10 process11 signatures12 69 Tries to steal Mail credentials (via file / registry access) 24->69 71 Tries to harvest and steal browser information (history, passwords, etc) 24->71 73 Deletes itself after installation 24->73 75 2 other signatures 24->75 29 explorer.exe 1 1 24->29 injected process13 dnsIp14 47 www.ketocanadmqy.cloud 195.161.62.100, 49700, 80 RTCOMM-ASRU Russian Federation 29->47 49 www.gnhxxiazai03.com 20.255.200.185, 49701, 49702, 49703 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 29->49 51 4 other IPs or domains 29->51 83 System process connects to network (likely due to code injection or exploit) 29->83 85 Performs DNS queries to domains with low reputation 29->85 signatures15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ab0646fd7bf8dece42e0c38e843fbe4cbb9c18e0e98cb26cad14357fde20ed4a/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-06-20 13:56:35 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
23 of 35 (65.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vmden7l37dpm4qxayohiip56js5zygha5ggle3fncq2x7xra5vfa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
19b2a3829ed8eb3ff4a36bd542c114c3b28b23c64dfa4560db86e4f902d7f7a2
Formbook
2db9768efcf9026fd5c979e9802aa1e2cdec6bebb0815aea8a77d664bde1d8ae
Formbook
498a462f90680268425f0be93b68cf289a0aafa02c9159e2f708a55d7c694896
Formbook
ab3552ba960757c704f2942338d3e9e3792fba42245e580afb6cfe2a6ecec242
Formbook
c5b83cba12fc69072661e0c8d473ed6d4263580764f0ac0476e4306df3f71e64
Formbook
df8573405d1b9e0d3bbd88adf1f5db88f8ced9d603b78b41881bd50de1d26cc5
Formbook
e2523f043a47f04db956092e5aa8b55fb8d69105bbc3df185fed9048392df0d2
Formbook
f3ae295debf0e0d0e31a95c6ec1b9696f1c69a49f09bc0b073d5530e8f122dfe
Formbook
fd10d0c124ace345aaace7bab115d0cd3771c61919912e141924991146fc6b37
Formbook
+ 1'126 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/230621-e78xbsgh4y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Unpacked files
SH256 hash:
a663cff00f56aed30f2b8955d3e897b04bae463064ea9e70ee7493fda70a2e2b
MD5 hash:
f74edd85b8c1f7310fecbdfa4ba9e3c2
SHA1 hash:
38713d51f1060dfda0d8c1127ba48d7f8d454f9f
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/3372ec0f-42fc-4324-a632-141787273ac6/
SH256 hash:
0b2141728dcccf8d17a86d88115913cc64ea29d50569e1aafebf8f534b7cceb2
MD5 hash:
61b1b6b0ff15bd6da441055fc64927af
SHA1 hash:
c7566c1b6868101c948f2618df8d746f17c3b802
Link:
https://www.unpac.me/results/3372ec0f-42fc-4324-a632-141787273ac6/
SH256 hash:
11012f5ff6a8dbcc85263998ace026c99a35b209d06c5ef4b5c7bc5826718045
MD5 hash:
c605632cb4e5e3cd444a9d544af178bb
SHA1 hash:
7e68e56b767bcffa368d7e40dde9125f82b5f67e
Link:
https://www.unpac.me/results/3372ec0f-42fc-4324-a632-141787273ac6/
SH256 hash:
ab0646fd7bf8dece42e0c38e843fbe4cbb9c18e0e98cb26cad14357fde20ed4a
MD5 hash:
297c423d2a4a52a7f109240ae70b4ca1
SHA1 hash:
1b67e2878e558354287c4520d57d7e441a43a491
Link:
https://www.unpac.me/results/3372ec0f-42fc-4324-a632-141787273ac6/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ab0646fd7bf8/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/ab0646fd7bf8dece42e0c38e843fbe4cbb9c18e0e98cb26cad14357fde20ed4a

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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Web download

Formbook

Executable exe ab0646fd7bf8dece42e0c38e843fbe4cbb9c18e0e98cb26cad14357fde20ed4a

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2668161/
Cape
Cape
https://www.capesandbox.com/analysis/401218/

Comments


Avatar
zbet commented on 2023-06-21 04:35:14 UTC

url : hxxp://103.131.57.119/00009/unsecapp.exe