MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9def050dacc6e27a12843b50352dfb883966af1dd96d031aa35f2b30ea1867e5. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9def050dacc6e27a12843b50352dfb883966af1dd96d031aa35f2b30ea1867e5
SHA3-384 hash: 9099c379b4f3f43bca057db0970662ac3459a42347deb7a1326f50bf6f5abec508c5a79a9357d7b042c806924b9ead97
SHA1 hash: 3e781149ec4b5bb6925c59ef35014cc77de7680b
MD5 hash: 8ea5ef88ace9b87c8e9daa288636382f
humanhash: mexico-music-equal-nebraska
File name:8ea5ef88ace9b87c8e9daa288636382f
Download: download sample
Signature Formbook
Create hunting rule
File size:296'671 bytes
First seen:2023-03-13 11:10:11 UTC
Last seen:2023-03-13 12:43:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:AYa6FZoLuCQIVghsufsnL5wv+7AWNLQt87Tt511RWO7gc3d:AYXZSdHghsu0nOv+7lG8PvUcd
Threatray 2'321 similar samples on MalwareBazaar
TLSH T15C5402253B90D007D4A705B21D3CE5FAAAF9BD129D66960B36C4BF0F3E32095990E7D2
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 e0aaaa2b0303aad0 (34 x Formbook, 21 x AveMariaRAT, 18 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
222
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SKMB 2023003.xlsx
Verdict:
Malicious activity
Analysis date:
2023-03-13 09:13:21 UTC
Tags:
exploit cve-2017-11882 loader formbook xloader trojan stealer
Link:
https://app.any.run/tasks/0b0f847f-62d6-4267-b993-5ebe7e2bfc44

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/374004/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.26758.11499.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/72943/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook guloader overlay packed shell32.dll zusy
Link:
https://www.filescan.io/uploads/640f04c68cf57265b25abbc8/reports/0446449c-595d-495b-abac-6ac0de5fddbb/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/9def050dacc6e27a12843b50352dfb883966af1dd96d031aa35f2b30ea1867e5
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1188b252-75ad-45d6-a549-e9566a484b2b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1192420
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
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 detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 825320 Sample: S9XLHnNsbe.exe Startdate: 13/03/2023 Architecture: WINDOWS Score: 100 38 www.interessebr.com 2->38 40 shops.myshopify.com 2->40 42 interessebr.myshopify.com 2->42 58 Snort IDS alert for network traffic 2->58 60 Multi AV Scanner detection for domain / URL 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 5 other signatures 2->64 12 S9XLHnNsbe.exe 19 2->12         started        signatures3 process4 file5 36 C:\Users\user\AppData\Local\Temp\sbrlz.exe, PE32 12->36 dropped 15 sbrlz.exe 12->15         started        process6 signatures7 74 Antivirus detection for dropped file 15->74 76 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->76 78 Maps a DLL or memory area into another process 15->78 80 Tries to detect virtualization through RDTSC time measurements 15->80 18 sbrlz.exe 15->18         started        21 MpCmdRun.exe 1 15->21         started        process8 signatures9 50 Modifies the context of a thread in another process (thread injection) 18->50 52 Maps a DLL or memory area into another process 18->52 54 Sample uses process hollowing technique 18->54 56 Queues an APC in another process (thread injection) 18->56 23 explorer.exe 6 6 18->23 injected 27 conhost.exe 21->27         started        process10 dnsIp11 44 www.1wthqp.top 190.115.19.43, 49700, 80 DDOS-GUARDCORPBZ Belize 23->44 46 shops.myshopify.com 23.227.38.74, 49699, 49701, 80 CLOUDFLARENETUS Canada 23->46 48 2 other IPs or domains 23->48 66 System process connects to network (likely due to code injection or exploit) 23->66 29 cmmon32.exe 23->29         started        signatures12 process13 signatures14 68 Modifies the context of a thread in another process (thread injection) 29->68 70 Maps a DLL or memory area into another process 29->70 72 Tries to detect virtualization through RDTSC time measurements 29->72 32 cmd.exe 1 29->32         started        process15 process16 34 conhost.exe 32->34         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9def050dacc6e27a12843b50352dfb883966af1dd96d031aa35f2b30ea1867e5/
Threat name:
Win32.Trojan.Nsisx
Create hunting rule
Status:
Malicious
First seen:
2023-03-13 11:11:05 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
14 of 39 (35.90%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=txxqkdnmy3rhueuehnidklp3ra4wnly53fwqggvdl4vtb2qym7sq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3ecf38540014a3fe10b883b34592b8e5eefb11d0e4abf64fd98129d00bf4a682
Formbook
43e743e060255d4a878a5fd14de21a97ae1fe045cd55dece4a9f1cd1857ee559
Formbook
5e517d06a3b252c0bced1ed16f1741fa73b4e0d4b81ec2daf71b57954604afc8
Formbook
a96ec414b99747cf8859a77e2d05ea24053db3fa343474a007180dfefda658ca
Formbook
d1e4cc2b2df4de229947e033f6dd65379db0d12d92ec7de9ffcc8336c1c55e9a
Formbook
d5b73f94baae872466c1f7435d9c3ee66c5bdd606b1bfbae775c9acb19f5c42b
Formbook
f75f11958cb9b23e256cd0668e7490113565acd86d66180483e7b909d7750ed3
Formbook
+ 2'311 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ko14 rat spyware stealer trojan
Link:
https://tria.ge/reports/230313-m989wacb4y/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
d6ee5c777c4be498b4349da28fe8cab7cfd50fafca290451064c759005b0a0ac
MD5 hash:
2081fd9868aae02d4b158b29a85a935f
SHA1 hash:
7bcd3507413833d3bf4be052efcf6f79d5ba02db
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/63743dca-bc65-42fd-950e-5d4932aea9ec/
Parent samples :
f75f11958cb9b23e256cd0668e7490113565acd86d66180483e7b909d7750ed3
43e743e060255d4a878a5fd14de21a97ae1fe045cd55dece4a9f1cd1857ee559
3ecf38540014a3fe10b883b34592b8e5eefb11d0e4abf64fd98129d00bf4a682
5e517d06a3b252c0bced1ed16f1741fa73b4e0d4b81ec2daf71b57954604afc8
d1e4cc2b2df4de229947e033f6dd65379db0d12d92ec7de9ffcc8336c1c55e9a
9def050dacc6e27a12843b50352dfb883966af1dd96d031aa35f2b30ea1867e5
SH256 hash:
723e75b6f73c21f112d07fc6a11e28a3d93bca5cef769070c5a05b1d86de4007
MD5 hash:
55f4a0729adb31421430836a369407eb
SHA1 hash:
504c403400eb99fb0043dcda9261b37c5929eda5
Link:
https://www.unpac.me/results/63743dca-bc65-42fd-950e-5d4932aea9ec/
SH256 hash:
9def050dacc6e27a12843b50352dfb883966af1dd96d031aa35f2b30ea1867e5
MD5 hash:
8ea5ef88ace9b87c8e9daa288636382f
SHA1 hash:
3e781149ec4b5bb6925c59ef35014cc77de7680b
Link:
https://www.unpac.me/results/63743dca-bc65-42fd-950e-5d4932aea9ec/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9def050dacc6/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/9def050dacc6e27a12843b50352dfb883966af1dd96d031aa35f2b30ea1867e5

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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 9def050dacc6e27a12843b50352dfb883966af1dd96d031aa35f2b30ea1867e5

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2568451/
Cape
Cape
https://www.capesandbox.com/analysis/374004/

Comments


Avatar
zbet commented on 2023-03-13 11:10:13 UTC

url : hxxp://truongnoivu-phqn.edu.vn/media/kentolizo2.1.exe