MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43e743e060255d4a878a5fd14de21a97ae1fe045cd55dece4a9f1cd1857ee559. 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: 19


Intelligence 19 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 43e743e060255d4a878a5fd14de21a97ae1fe045cd55dece4a9f1cd1857ee559
SHA3-384 hash: 6fb21889a247cfb081d15bd5c1c493879a9d6e1bda2dc6b3ccc625952492806aba80878556862b9b8b7a48092caa6555
SHA1 hash: c44e8a2367d3e5f9e0fe4291e98e64d649e8aff1
MD5 hash: ce4a5178c64833dd0fcaaa2868fb393e
humanhash: golf-october-nineteen-hotel
File name:ce4a5178c64833dd0fcaaa2868fb393e.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:292'496 bytes
First seen:2023-02-22 11:18:36 UTC
Last seen:2023-02-22 12:55:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:AYa6EBTndVnRpLCgihdUCrNV96UIcEO20fCaurSpSadQyf48h6t:AYyBTndVRpLCVdUSX96U2P0qauGpOyf+
Threatray 1'848 similar samples on MalwareBazaar
TLSH T11754024CBAA0D01BD8A219711D79C6FF6966FD05AEA0120F37C43F5F74B3602990E3A6
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 abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
ce4a5178c64833dd0fcaaa2868fb393e.exe
Verdict:
Malicious activity
Analysis date:
2023-02-22 11:30:47 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/14de08af-f777-45d8-82f0-163b2f112fd1

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/369007/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.16018.13331.4553.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 the window
Searching for synchronization primitives
Launching a process
Reading critical registry keys
Сreating synchronization primitives
Launching cmd.exe command interpreter
DNS request
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Stealing user critical data
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/72220/overview
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
83%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63f5fa27d385ee58584ec4bb/reports/2b885c6d-dcf1-4754-9a0e-c0c5031fe3df/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/43e743e060255d4a878a5fd14de21a97ae1fe045cd55dece4a9f1cd1857ee559
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/ccfd98c8-a45b-4823-b294-64d19b8ea362
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1180504
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
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 dropped file
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: 813339 Sample: 1jwI8qulgr.exe Startdate: 22/02/2023 Architecture: WINDOWS Score: 100 36 www.dubonbon.com 2->36 38 td-balancer-199-15-163-138.wixdns.net 2->38 40 2 other IPs or domains 2->40 56 Snort IDS alert for network traffic 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for URL or domain 2->60 62 4 other signatures 2->62 12 1jwI8qulgr.exe 19 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\Temp\ipfxm.exe, PE32 12->34 dropped 15 ipfxm.exe 1 12->15         started        process6 signatures7 72 Multi AV Scanner detection for dropped file 15->72 74 Detected unpacking (changes PE section rights) 15->74 76 Maps a DLL or memory area into another process 15->76 78 Tries to detect virtualization through RDTSC time measurements 15->78 18 ipfxm.exe 15->18         started        21 conhost.exe 15->21         started        process8 signatures9 48 Modifies the context of a thread in another process (thread injection) 18->48 50 Maps a DLL or memory area into another process 18->50 52 Sample uses process hollowing technique 18->52 54 Queues an APC in another process (thread injection) 18->54 23 explorer.exe 1 18->23 injected process10 dnsIp11 42 clevelandcirclepress.net 192.185.39.229, 49698, 80 UNIFIEDLAYER-AS-1US United States 23->42 44 www.etimexprint.com 66.96.162.147, 49697, 80 BIZLAND-SDUS United States 23->44 46 www.clevelandcirclepress.net 23->46 64 System process connects to network (likely due to code injection or exploit) 23->64 27 systray.exe 23->27         started        signatures12 process13 signatures14 66 Modifies the context of a thread in another process (thread injection) 27->66 68 Maps a DLL or memory area into another process 27->68 70 Tries to detect virtualization through RDTSC time measurements 27->70 30 cmd.exe 1 27->30         started        process15 process16 32 conhost.exe 30->32         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/43e743e060255d4a878a5fd14de21a97ae1fe045cd55dece4a9f1cd1857ee559/
Threat name:
Win32.Trojan.Nemesis
Create hunting rule
Status:
Malicious
First seen:
2023-02-22 07:27:12 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
17 of 37 (45.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iptuhydaevouvb4kl7iu3yq2s6xb7ycfzvk55tskt4ondbl64vmq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
03315fc089295a2ff5733402c9a928e0fa0c26c3d67dd3610ea121845bde4f1f
Formbook
1a82b5f2c6d3897569544939dfae30457d05924c8811f009d0cd1540319ea90c
Formbook
2d3c7fefde60268ec96906144d74058651f6d5d7ed5993a8b1ed00ca40a2d7f0
Formbook
43440434172d5730884fa5f0ae4f7ae73c4815e74618d18bc405d18dd325fed4
Formbook
4b2c21ea5f69768b3fa702304683c99e18dea0823d0c8585cec84be4210f08da
Formbook
b0302231ae277b08e383cef527b093307edf552a1777b5c9a088e2e1c61ad6fe
Formbook
bedb5ef007caf41eb52f0331f1fdf5997271a828df7adb1e1132063129eba99e
Formbook
d57ad8a21aa598c3aea680ee4abdebc2ee552c290a1f5d498f3516b084a95d38
Formbook
f75f11958cb9b23e256cd0668e7490113565acd86d66180483e7b909d7750ed3
Formbook
+ 1'838 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/230222-net25sch4z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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/a8f544f8-ff20-4593-a68e-33c142ccecd6/
Parent samples :
f75f11958cb9b23e256cd0668e7490113565acd86d66180483e7b909d7750ed3
43e743e060255d4a878a5fd14de21a97ae1fe045cd55dece4a9f1cd1857ee559
3ecf38540014a3fe10b883b34592b8e5eefb11d0e4abf64fd98129d00bf4a682
5e517d06a3b252c0bced1ed16f1741fa73b4e0d4b81ec2daf71b57954604afc8
d1e4cc2b2df4de229947e033f6dd65379db0d12d92ec7de9ffcc8336c1c55e9a
9def050dacc6e27a12843b50352dfb883966af1dd96d031aa35f2b30ea1867e5
SH256 hash:
3955b4eebe8d055b58980a72317badf9da0847d64c7002977544f09a0cdb5fb8
MD5 hash:
693987cbb2d05e36ff3d0b8ab199765c
SHA1 hash:
9c9a32d823c22062caeb7e3ea0a86b6a1dbcfb3b
Link:
https://www.unpac.me/results/a8f544f8-ff20-4593-a68e-33c142ccecd6/
SH256 hash:
43e743e060255d4a878a5fd14de21a97ae1fe045cd55dece4a9f1cd1857ee559
MD5 hash:
ce4a5178c64833dd0fcaaa2868fb393e
SHA1 hash:
c44e8a2367d3e5f9e0fe4291e98e64d649e8aff1
Link:
https://www.unpac.me/results/a8f544f8-ff20-4593-a68e-33c142ccecd6/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/43e743e06025/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/43e743e060255d4a878a5fd14de21a97ae1fe045cd55dece4a9f1cd1857ee559

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:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
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_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
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.

Web download

Formbook

Executable exe 43e743e060255d4a878a5fd14de21a97ae1fe045cd55dece4a9f1cd1857ee559

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2547425/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/369007/

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