MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ee529100b5fc7566711f13b97f573e81dccbb4a2b6713f35797b8c0d284b80b2. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
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SHA256 hash: ee529100b5fc7566711f13b97f573e81dccbb4a2b6713f35797b8c0d284b80b2
SHA3-384 hash: 5e785dfd9d0303c1f01d7b5b2e68d78ff9f035e71333d9b9bfa436f4372f401a2703fd2f930edad533208170dfd74455
SHA1 hash: 732ab57d36e645c29509a1746cabefafa5c1287c
MD5 hash: cc11db5be3959c8835af0ddf62a846c9
humanhash: lemon-georgia-social-spring
File name:Order_pdf.scr
Download: download sample
Signature Formbook
Create hunting rule
File size:633'856 bytes
First seen:2021-12-23 07:24:05 UTC
Last seen:2021-12-23 09:14:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:7pN6KIKv9FJhl17Kc8/k3Ilt4Ee27e9gQRi96Vvn:7pMKv/Jhr2cY67Ee2KeQRe6B
Threatray 12'445 similar samples on MalwareBazaar
TLSH T1D6D4BF7866987A5BC67F43F4C00999088BF0B392567FD7892E5320E9F691B61CF31293
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
168
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Order_pdf.scr
Verdict:
Malicious activity
Analysis date:
2021-12-23 07:27:22 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/33c5cde5-4fe0-4e5f-9e1b-2453f62c76d2

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/215890/
Detection(s):
SecuriteInfo.com.Variant.Barys.19581.25512.25502.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61c424524ab5c44cbf4dbb5c/reports/cb285e52-0833-4e89-ac6e-cfc99077de51/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/605e194f-36e0-4455-a574-97d0a94ec46f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/911873
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
System process connects to network (likely due to code injection or exploit)
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 dnsIp2 2 Behavior Graph ID: 544351 Sample: Order_pdf.scr Startdate: 23/12/2021 Architecture: WINDOWS Score: 100 31 www.hutbephot-hanoi2.online 2->31 33 hutbephot-hanoi2.online 2->33 37 Multi AV Scanner detection for domain / URL 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 7 other signatures 2->43 11 Order_pdf.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\Order_pdf.exe.log, ASCII 11->29 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 15 Order_pdf.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.zymberzuzaku.com 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 help.exe 18->22         started        signatures11 process12 signatures13 47 Self deletion via cmd delete 22->47 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ee529100b5fc7566711f13b97f573e81dccbb4a2b6713f35797b8c0d284b80b2/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-12-23 07:25:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5zjjcafv7r2wm4i7co4x6vz6qhomxnfcwzyt6nlzpoga2kclqcza._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
06d3dc4da506d3c92fd8b82b27d92dec4036fd9622727c6e31cc314ea18ca518
Formbook
26f8a3be2038752ea7ea42cffe424d460ac03d3128f2e9305259c48a9431a09a
Formbook
65810e62e56f9ca0aa57ead14fc57cd5a512b86bb52825421c8761530692a26d
Formbook
6d6b50ac34692e324b25147855ff3a075b1d5505f7fd550e405bca20ad94879a
Formbook
e0b4a1d31c1f8f4a2850508bba55f9dc97f55f33519c333fbba71a9f931d0793
Formbook
e210e65faf68b7dcee0c5ba3e5b30ba93295a6617201faf9c942d9ed56df7c01
Formbook
f014d9e6a00f7dab0718e5320ebc0185b63c080ab7b3e9d49f0f1eea48c0c09a
Formbook
+ 12'435 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:st28 rat spyware stealer trojan
Link:
https://tria.ge/reports/211223-h8za3ahcb3/
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
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Unpacked files
SH256 hash:
550baec93fdb67462ebb97d3b86711596d3c903a2303694805180b5ca621a2c0
MD5 hash:
5f149575ae76af9452a2ea5bce91ebf3
SHA1 hash:
e3d96ee81df0defc3b46f1c6b82f1907e773af9f
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/8f0b3641-3567-49fe-bc71-93d5d849d163/
Parent samples :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 hash:
eaf39071e38329d377d904b1bc5c51b3ece50d22b7e390d2ccae6fc093049a01
MD5 hash:
6b9422cd0a1e706ae0533201ca1cbb49
SHA1 hash:
f6bc916dfc44ab404daf63d912ecbd6563963714
Link:
https://www.unpac.me/results/8f0b3641-3567-49fe-bc71-93d5d849d163/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/8f0b3641-3567-49fe-bc71-93d5d849d163/
SH256 hash:
ee529100b5fc7566711f13b97f573e81dccbb4a2b6713f35797b8c0d284b80b2
MD5 hash:
cc11db5be3959c8835af0ddf62a846c9
SHA1 hash:
732ab57d36e645c29509a1746cabefafa5c1287c
Link:
https://www.unpac.me/results/8f0b3641-3567-49fe-bc71-93d5d849d163/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ee529100b5fc7566711f13b97f573e81dccbb4a2b6713f35797b8c0d284b80b2

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:pe_imphash
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Rule name:pe_imphash
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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 ee529100b5fc7566711f13b97f573e81dccbb4a2b6713f35797b8c0d284b80b2

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/215890/

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