MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90e04c24a8b6d9e6fa70821c848c1ccd7ff1f1bc2c78d19c5bc2fa09838a436e. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
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SHA256 hash: 90e04c24a8b6d9e6fa70821c848c1ccd7ff1f1bc2c78d19c5bc2fa09838a436e
SHA3-384 hash: 3a61d1f1e069c1dfeba01e839d81f4828609e8fab3fe422abe5d2f9f55e32d49eb971822ce6f28653895ff2dfa640ba3
SHA1 hash: b91017f2b81c3c17933107e8a71ce22a915f7bb0
MD5 hash: 63a88feb1f677875cf83e4d30efb1fb3
humanhash: echo-sodium-ten-foxtrot
File name:Skystar Co K.S.A Purchase Order.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:80'896 bytes
First seen:2022-04-15 11:17:55 UTC
Last seen:2022-04-16 08:48:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:l4Dx4kHncMERv01w4lW21mNz4ch691YKcl26/lSntlgnKdUl5mG0ARBR7FPmM+qn:l0H+Os
TLSH T192835586AA40C044DC3E5BB4F43E8DF0051B7DAAE874B15F6E4ABE2937F31E2157254A
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 41554d4d554d4955 (7 x Formbook, 7 x AveMariaRAT, 4 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
392
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Skystar Co K.S.A Purchase Order.exe
Verdict:
Malicious activity
Analysis date:
2022-04-15 11:19:48 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/07b2e8cc-db48-4d68-a0dc-f8be2803c2b4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/263977/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.GMM.genEldorado.32102.5641.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed
Link:
https://www.filescan.io/uploads/6259546aeab80a7a6c1b9a1f/reports/1b98d20f-27b8-4719-9ca9-ce3dacd26746/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1b65c118-eb6a-4e58-bf2f-31eb0a469381
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/977379
Signature
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/90e04c24a8b6d9e6fa70821c848c1ccd7ff1f1bc2c78d19c5bc2fa09838a436e/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-04-15 09:51:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sdqeyjfiw3m6n6tqqioijda4zv77d4n4fr4ndhc3yl5ata4kinxa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:gc5j rat spyware stealer trojan
Link:
https://tria.ge/reports/220415-nd9ffabhd4/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
Unpacked files
SH256 hash:
90e04c24a8b6d9e6fa70821c848c1ccd7ff1f1bc2c78d19c5bc2fa09838a436e
MD5 hash:
63a88feb1f677875cf83e4d30efb1fb3
SHA1 hash:
b91017f2b81c3c17933107e8a71ce22a915f7bb0
Link:
https://www.unpac.me/results/831f8eca-3c7e-4e0e-840e-859e19ca77be/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/90e04c24a8b6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/90e04c24a8b6d9e6fa70821c848c1ccd7ff1f1bc2c78d19c5bc2fa09838a436e

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:t0_1
Create hunting rule

File information

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

Malspam

Formbook

Executable exe 90e04c24a8b6d9e6fa70821c848c1ccd7ff1f1bc2c78d19c5bc2fa09838a436e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/263977/

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