MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f9a27387b9b3b02475f1223f3061ff567327432a9a9dc83f91c665fd604ae87c. 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: f9a27387b9b3b02475f1223f3061ff567327432a9a9dc83f91c665fd604ae87c
SHA3-384 hash: 25b34b9b0163e934cef4a93e0e77b69c3a9fdb11303e030061c8cfe167d0521ab5030b45a47118e4e3d56b7cf2acfb74
SHA1 hash: 7039935229c243df96860308dd131566f80e0361
MD5 hash: 6f2d6a22de3e3148d4835c96d2445089
humanhash: delaware-idaho-sodium-kilo
File name:itens que precisávamos.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:762'880 bytes
First seen:2022-02-15 12:54:07 UTC
Last seen:2022-02-15 14:52:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:OC5k+2U6x6K0HC2vFsqSWSyaXn6dVNz1K42jy3Btaj2tLp2EdHNDy1pBbL:3aLU6KCEzS65hBUm2iGvBbL
Threatray 9'836 similar samples on MalwareBazaar
TLSH T1F0F4020076F73B80D4770BFE94A191911BB4A15E0523EA7ECDA364CD5C52BD48A3BA3B
File icon (PE):PE icon
dhash icon 0012360d4d1e8606 (19 x AgentTesla, 12 x Formbook, 4 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
itens que precisávamos.zip
Verdict:
Malicious activity
Analysis date:
2022-02-15 17:44:19 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/61e84106-798b-4027-ad58-ecd968cde111

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/241610/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1197.26683.2515.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Launching cmd.exe command interpreter
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed update.exe
Link:
https://www.filescan.io/uploads/620ba2ada2660f3bb9daad19/reports/a9188718-ddc0-4fb1-8969-39e5ea2b9281/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9c1ad6d1-fa07-4ff1-b85f-c687c4688367
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/940078
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 572556 Sample: itens que precis#U00e1vamos.exe Startdate: 15/02/2022 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for URL or domain 2->51 53 12 other signatures 2->53 10 itens que precis#U00e1vamos.exe 7 2->10         started        process3 file4 39 C:\Users\user\AppData\...\IBatNAxaHFhSQh.exe, PE32 10->39 dropped 41 C:\Users\user\AppData\Local\...\tmp5487.tmp, XML 10->41 dropped 43 C:\...\itens que precis#U00e1vamos.exe.log, ASCII 10->43 dropped 55 Writes to foreign memory regions 10->55 57 Adds a directory exclusion to Windows Defender 10->57 59 Injects a PE file into a foreign processes 10->59 14 RegSvcs.exe 10->14         started        17 RegSvcs.exe 10->17         started        19 powershell.exe 25 10->19         started        21 2 other processes 10->21 signatures5 process6 signatures7 67 Modifies the context of a thread in another process (thread injection) 14->67 69 Maps a DLL or memory area into another process 14->69 71 Sample uses process hollowing technique 14->71 73 Queues an APC in another process (thread injection) 14->73 23 explorer.exe 14->23 injected 75 Tries to detect virtualization through RDTSC time measurements 17->75 25 conhost.exe 19->25         started        27 conhost.exe 21->27         started        process8 process9 29 control.exe 23->29         started        signatures10 61 Modifies the context of a thread in another process (thread injection) 29->61 63 Maps a DLL or memory area into another process 29->63 65 Tries to detect virtualization through RDTSC time measurements 29->65 32 explorer.exe 1 132 29->32         started        35 cmd.exe 1 29->35         started        process11 dnsIp12 45 192.168.2.1 unknown unknown 32->45 37 conhost.exe 35->37         started        process13
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f9a27387b9b3b02475f1223f3061ff567327432a9a9dc83f91c665fd604ae87c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-15 10:40:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7grhhb5zwoyci5prei7tayp7kzzsoqzktko4qp4ryzs72yck5b6a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
134564f9e07f69726c8cfc19fcaf998d7f00163d704e9a2864b2d592be84d091
Formbook
2fd3db9eb65d7a120e24e7245a73e4e88d4b2a7998d82986e8b2e2f20af1d932
Formbook
503afb59d8192f6adb3e67db043eeb6459e8ec3fc117ef8e2f6690d5f0c4a12b
Formbook
54cfa1f93d985c0bf952e00247f781f36988dffec0cb8d83f79fa3e41d98b335
Formbook
950ead10061a0d06ae1314f85d90925ed519d91ff8360236960e9abf68a99b7c
Formbook
9bceb9680d39094087add5289a7e19aa93168faf9c5f2465700b117d59e8d841
Formbook
a14a184fb1d2aae9c388576180020ee018e0784212b59e545c15afce21eeb6cd
Formbook
a94cf69dea9775df9f51f32d9591f7208ac9c712289a1b851c30de3938b5a976
Formbook
fa3b721595b9e5571bcfd42767aa563f6e363a3fff9e9cdbfb525d0f28e62eb7
Formbook
+ 9'826 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:gn27 rat spyware stealer trojan
Link:
https://tria.ge/reports/220215-p5s37sfae3/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
Unpacked files
SH256 hash:
4af67fe719b6d568f75355ea4ea17bb40829338b1808924bdfdb00983879116d
MD5 hash:
de9a3c641eee60c823d76777dc7dfff7
SHA1 hash:
0eed800b61726aef17a63451f1c43dd844a58b29
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/3a25afb3-f396-4e26-92c9-f0c802ee90d5/
Parent samples :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 hash:
63b6403c6ea1378c0ff49f069597b45496dba6c0161d240e64885ab6f0806d04
MD5 hash:
72b143fd989c37772556bf302ac33be1
SHA1 hash:
ee377db4778e70261d34f8210208069df41a12ef
Link:
https://www.unpac.me/results/3a25afb3-f396-4e26-92c9-f0c802ee90d5/
SH256 hash:
6bdd318f5dd4527f7e7c9d0899b39481db99a78ffa491e5319c3afba0f33aca4
MD5 hash:
f3bdd3861c98caf83bde44a1fb46e614
SHA1 hash:
4a7cf56ea97ebf4ad235e3c12f1ffd6c43daf369
Link:
https://www.unpac.me/results/3a25afb3-f396-4e26-92c9-f0c802ee90d5/
SH256 hash:
ab7cea47acfda0bbd3ee4d5e71e19d34f8f2229aaa58a07778ab753e9ae1d5d3
MD5 hash:
318806eb793435777b575bb13bf85ca3
SHA1 hash:
35a4e4c24283adb7001bd464b23591d0791130a5
Link:
https://www.unpac.me/results/3a25afb3-f396-4e26-92c9-f0c802ee90d5/
SH256 hash:
f9a27387b9b3b02475f1223f3061ff567327432a9a9dc83f91c665fd604ae87c
MD5 hash:
6f2d6a22de3e3148d4835c96d2445089
SHA1 hash:
7039935229c243df96860308dd131566f80e0361
Link:
https://www.unpac.me/results/3a25afb3-f396-4e26-92c9-f0c802ee90d5/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/f9a27387b9b3/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/f9a27387b9b3b02475f1223f3061ff567327432a9a9dc83f91c665fd604ae87c

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: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 f9a27387b9b3b02475f1223f3061ff567327432a9a9dc83f91c665fd604ae87c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/241610/

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