MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89c9a52351f75b5be88f745b84dbb5c16930cca9d932f33b008993167e022e70. 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 2 File information Comments
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SHA256 hash: 89c9a52351f75b5be88f745b84dbb5c16930cca9d932f33b008993167e022e70
SHA3-384 hash: d1d52bf39e912a16c2d1d28f181b09843dc7b26ffac712b80effd2d9bbeb3860ffcafb8c1ff63e4712d6320e80cc4e88
SHA1 hash: 38c006c6a2dfa2c238d339151670b0e382863961
MD5 hash: 6a5da7edb320b2ba8635683b53db2ccb
humanhash: hydrogen-india-carbon-cup
File name:Drawing.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:647'168 bytes
First seen:2022-01-21 05:25:44 UTC
Last seen:2022-01-21 06:53:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:ovsFtBDBBuBBEBkBBuBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBA:UpQz9th3tOEtJRA9bu6+ievYF
Threatray 12'818 similar samples on MalwareBazaar
TLSH T19DD4DF4133F88B05D97E8BF658311090177ABA0AA875E71F6DD4B2DF0DB2B819B22753
File icon (PE):PE icon
dhash icon 1efef2c2e4a0e0e0 (16 x AgentTesla, 3 x Formbook, 3 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
241
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/221354/
Detection(s):
SecuriteInfo.com.Artemis6A5DA7EDB320.3131.31438.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for 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:
expand.exe ftp.exe obfuscated packed remote.exe shell32.dll
Link:
https://www.filescan.io/uploads/61ea43f0f81da814af94e8c2/reports/8b68ad07-0f7a-494e-b13f-fd42697f71d8/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/33237349-0f5d-410a-84e0-dbae34a457e6
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/924981
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 557455 Sample: Drawing.exe Startdate: 21/01/2022 Architecture: WINDOWS Score: 100 31 www.whistlergardencenter.com 2->31 33 www.sousouhenansheng.com 2->33 35 web506308.cw516.4everdns.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 6 other signatures 2->49 11 Drawing.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\Drawing.exe.log, ASCII 11->29 dropped 63 Tries to detect virtualization through RDTSC time measurements 11->63 15 Drawing.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 37 dream-mart.tech 185.187.241.44, 49820, 80 HOSTSLIM-GLOBAL-NETWORKNL Germany 18->37 39 www.loj-kits.xyz 104.21.24.190, 49814, 80 CLOUDFLARENETUS United States 18->39 41 8 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Performs DNS queries to domains with low reputation 18->53 22 explorer.exe 18->22         started        signatures11 process12 signatures13 55 Self deletion via cmd delete 22->55 57 Modifies the context of a thread in another process (thread injection) 22->57 59 Maps a DLL or memory area into another process 22->59 61 Tries to detect virtualization through RDTSC time measurements 22->61 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/89c9a52351f75b5be88f745b84dbb5c16930cca9d932f33b008993167e022e70/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-01-21 03:29:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
54
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rhe2ki2r65nvx2epornyjw5vyfutbtfj3ezpgoyargjrm7qcfzya._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2fc82f206abb0d6d6b4d7a916be93b408ab78f848531917b3968b066a5a31023
Formbook
326a1e669385d8e241375e9eca9f915440f1d0d3f803e6d1648f30102cbedaa6
Formbook
5d407049f81d3b75bf2d9eb7dc14662f533b1ca37d283e5ef50e001a7ac1f758
Formbook
5f5195f363ef21135a5b5298c2a3576bd03125eec094d769b25296eb0a2605b9
Formbook
86df15ac78abc1d224a4249db72d29dcb2979fd0669a15c0d291e47648dc0c1c
Formbook
9e4e02725cde43b4da85cdf054b11ad0e4a622bb54f4a967b1634ebcaea9666a
Formbook
d78094f3b6eac87e2d4249671bdc4e044afb31e2e78aac8f2db7186c6d5b6db1
Formbook
ea002c36dfe650365e92d0921b6cfc8586c97b371b134f1e32bac834561b3ef6
Formbook
ebae4c196d8a58491f149c1f561b8dfcb7286b5b5e14ee85bd2393a968a498b9
Formbook
+ 12'808 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:rexd loader persistence rat
Link:
https://tria.ge/reports/220121-f4wm9sdhc2/
Behaviour
Modifies data under HKEY_USERS
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
Sets service image path in registry
Xloader Payload
Xloader
Unpacked files
SH256 hash:
c6075189076407ce32a7aa5a36b2b1523729c182f7b07b57a3d9d8507dbfc231
MD5 hash:
afb60e5303c0c82f0f0c3201d05881cf
SHA1 hash:
7aa28844ec3787ca660aa291353acbff03224ed1
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/134f0a96-5e39-4b94-af34-ebfbff98d198/
Parent samples :
9374f50165184534add26466aaab6275130e442387cae74b3c4461db85ed456a
c08635756f84fd0564e081544cb5c5b2130d14b1a0965be3f971be131f401b70
89c9a52351f75b5be88f745b84dbb5c16930cca9d932f33b008993167e022e70
3cc59342fdbb5aa332f7d99216ac3f1ede121e0752e5aaff260e16432c23908d
fe33a5e411c82f48ecaebf3b0a89d1a1aad37b8c29b91ca4416b94ec5fc83da6
SH256 hash:
de1a31c0d9f01c8e6164d108d421267c84657146c179a3afce4b8360d4b2ceb5
MD5 hash:
1f0811c9ec68c4c12c255136b492cd92
SHA1 hash:
fade47571016efddcb7d5384320b2c7468c363df
Link:
https://www.unpac.me/results/134f0a96-5e39-4b94-af34-ebfbff98d198/
SH256 hash:
2acbf181cec8b88c3ed12dfbba730b09e61062e1950b53074bc2b548bf86e17b
MD5 hash:
4b362d141fdd5d22f1432283931cbb8e
SHA1 hash:
368cbabae44700a8e126b21906c93b2dc277bb18
Link:
https://www.unpac.me/results/134f0a96-5e39-4b94-af34-ebfbff98d198/
SH256 hash:
89c9a52351f75b5be88f745b84dbb5c16930cca9d932f33b008993167e022e70
MD5 hash:
6a5da7edb320b2ba8635683b53db2ccb
SHA1 hash:
38c006c6a2dfa2c238d339151670b0e382863961
Link:
https://www.unpac.me/results/134f0a96-5e39-4b94-af34-ebfbff98d198/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/89c9a52351f7/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/89c9a52351f75b5be88f745b84dbb5c16930cca9d932f33b008993167e022e70

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

File information

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

Malspam

Formbook

Executable exe 89c9a52351f75b5be88f745b84dbb5c16930cca9d932f33b008993167e022e70

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/221354/

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