MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f64c0bb01252b219276c16f1b45ec37d3464ca976cf46a069ef487fdcdb707c8. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f64c0bb01252b219276c16f1b45ec37d3464ca976cf46a069ef487fdcdb707c8
SHA3-384 hash: cd811f06514590d00697595c7a7402051fa8173c9364eb7b3ce028d8bc6904543842bbdeb80281df44135f58a7afa2c6
SHA1 hash: 0d5df6ccbb0ed03e4ce985c1e10330a6e3c8594f
MD5 hash: 309bc4be295238fa021a80538f50be7b
humanhash: vegan-wisconsin-wolfram-orange
File name:PO AMO 8100045923.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:515'072 bytes
First seen:2021-11-23 14:39:01 UTC
Last seen:2021-11-23 16:51:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:UzXGtYUxxKSz5ZbMEh486jD0CuB2UtWgtD00AH:UzXGHxKwbRHBB2UtXC0AH
Threatray 11'548 similar samples on MalwareBazaar
TLSH T1E0B4F164334CB382C86947768C95C4D063759A922E15C72EFCC472CE2D22FBA5B176BB
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO AMO 8100045923.exe
Verdict:
Malicious activity
Analysis date:
2021-11-23 14:44:05 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/2bed42c0-8a85-47a9-8cb5-05558abe2c31

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1109.23658.20316.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/619cfd08f36138de3f37525a/reports/4683b1e9-0ac6-4446-b599-923e6a59e812/overview
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/0737c90c-c626-4044-bd8d-bbc32a77e8c1
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/894796
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 527274 Sample: PO AMO 8100045923.exe Startdate: 23/11/2021 Architecture: WINDOWS Score: 100 33 Multi AV Scanner detection for domain / URL 2->33 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 9 other signatures 2->39 10 PO AMO 8100045923.exe 3 2->10         started        process3 file4 29 C:\Users\user\...\PO AMO 8100045923.exe.log, ASCII 10->29 dropped 49 Injects a PE file into a foreign processes 10->49 14 PO AMO 8100045923.exe 10->14         started        signatures5 process6 signatures7 51 Modifies the context of a thread in another process (thread injection) 14->51 53 Maps a DLL or memory area into another process 14->53 55 Sample uses process hollowing technique 14->55 57 Queues an APC in another process (thread injection) 14->57 17 explorer.exe 14->17 injected process8 process9 19 svchost.exe 17->19         started        signatures10 41 Self deletion via cmd delete 19->41 43 Modifies the context of a thread in another process (thread injection) 19->43 45 Maps a DLL or memory area into another process 19->45 47 Tries to detect virtualization through RDTSC time measurements 19->47 22 explorer.exe 1 130 19->22         started        25 cmd.exe 1 19->25         started        process11 dnsIp12 31 192.168.2.1 unknown unknown 22->31 27 conhost.exe 25->27         started        process13
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f64c0bb01252b219276c16f1b45ec37d3464ca976cf46a069ef487fdcdb707c8/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-11-23 10:46:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6zgaxmaskkzbsj3mc3y3ixwdpu2gjsuxnt2gubu66sd73tnxa7ea._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
00022259e4007e25bd78d36d83e56d0989de57b16419f9663332570d3139266b
Formbook
4766aecd97c34461dcda288195f7695895188f13b0a34b2dc1a73324bee46963
Formbook
5c6bb4be3e5abfc077f779645b07502ad3f9357fa3c486db79d0a2fb4f470527
Formbook
bec65782844355875f88723419b44dc543ba07b83c8a339036f79e39364493c6
Formbook
d079479dd85fb94fe08f6cd70cfff35e39c14294174a8ed6f9b480ffc1cbc9b2
Formbook
f6744dd0f12c44cc62ab5c2b58e0c2877d3935d8e1205f39bc540e3a58a88bc1
Formbook
+ 11'538 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:gnui loader rat suricata
Link:
https://tria.ge/reports/211123-r1ageaadbk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.hottorchlighter.com/gnui/
Unpacked files
SH256 hash:
0ccd51e17f14eb3f2701184b7e4f76154232e8e0d6c24fa72df238cfe83ca57f
MD5 hash:
b89d0c58121e6c27613082b97e102620
SHA1 hash:
88f20e8a8935e20d22d03ed837270a2be65eb185
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/de2c5aa3-5012-4150-b36d-e10679e226ad/
Parent samples :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 hash:
199d8c647245ca6eaf8b18233174740e346ddfa4223d642974bb5e8814b4951f
MD5 hash:
07b8f13364d456943054e0fc9b97f37c
SHA1 hash:
32ea33702897a3f9f7468a9ec868053d1671d739
Link:
https://www.unpac.me/results/de2c5aa3-5012-4150-b36d-e10679e226ad/
SH256 hash:
f30ca642597c059f9dbcc6cfea27687245fbcaf5456be0b7a4528d946f3a0a05
MD5 hash:
0f6349011cf5446131faf0cadbace87b
SHA1 hash:
0cd48b5cb5a0ca095043c333c9002ba5273e92e8
Link:
https://www.unpac.me/results/de2c5aa3-5012-4150-b36d-e10679e226ad/
SH256 hash:
f64c0bb01252b219276c16f1b45ec37d3464ca976cf46a069ef487fdcdb707c8
MD5 hash:
309bc4be295238fa021a80538f50be7b
SHA1 hash:
0d5df6ccbb0ed03e4ce985c1e10330a6e3c8594f
Link:
https://www.unpac.me/results/de2c5aa3-5012-4150-b36d-e10679e226ad/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/f64c0bb01252/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/f64c0bb01252b219276c16f1b45ec37d3464ca976cf46a069ef487fdcdb707c8

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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

Formbook

Executable exe f64c0bb01252b219276c16f1b45ec37d3464ca976cf46a069ef487fdcdb707c8

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/208718/

Comments