MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89a88a1b7a336b31ec93a0c8398f096ea9b2f73131f4e70fa3ff4fed265914ee. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 89a88a1b7a336b31ec93a0c8398f096ea9b2f73131f4e70fa3ff4fed265914ee
SHA3-384 hash: c796b59a5ac1a1ce6e900642b1b489fdbd542662b7de74fb5f4db4605e99ecfbf2d56f054896cf5b6b6813750e41ddf4
SHA1 hash: c4509299c0050f88eb9db6041645ab64a9316552
MD5 hash: fdd79b64fe464992bff66e53341e348f
humanhash: oklahoma-single-virginia-lithium
File name:Confirmation Transfer Ref_0023456010.exe
Download: download sample
Signature Formbook
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File size:538'112 bytes
First seen:2022-04-14 21:29:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'813 x AgentTesla, 19'735 x Formbook, 12'282 x SnakeKeylogger)
ssdeep 12288:ZiHKYj9PdeXniNNWYeTiG7kZLN7tylntXZaqWV8B46xHZQJrx:oNRVeoQYeVkZLN7tiK
Threatray 15'043 similar samples on MalwareBazaar
TLSH T1ADB47C98395071DFC453D932C9E5CCB0BA5078BA430FA387B4535AA9AE9D487DF102F6
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
350
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
Confirmation Transfer Ref_0023456010.exe
Verdict:
Malicious activity
Analysis date:
2022-04-14 21:30:13 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/fbb64b9f-1ece-46db-b778-d628dada5124

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/263870/
Detection(s):
Sanesecurity.Rogue.0hr.20220414-1804.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe obfuscated packed
Link:
https://www.filescan.io/uploads/62589236ffe27d5119d26ea3/reports/22fdee26-5522-4aae-8b94-5423940218ad/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/174a24d6-b31c-462d-ae0c-467137bd5de1
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/977185
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 submitted file
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: 609672 Sample: Confirmation Transfer Ref_0... Startdate: 14/04/2022 Architecture: WINDOWS Score: 100 33 www.menciabarbershop.com 2->33 35 menciabarbershop.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 7 other signatures 2->49 11 Confirmation Transfer Ref_0023456010.exe 3 2->11         started        signatures3 process4 file5 31 Confirmation Trans..._0023456010.exe.log, ASCII 11->31 dropped 61 Injects a PE file into a foreign processes 11->61 15 Confirmation Transfer Ref_0023456010.exe 11->15         started        18 Confirmation Transfer Ref_0023456010.exe 11->18         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 20 explorer.exe 15->20 injected process9 dnsIp10 37 www.3plbill.com 212.237.249.17, 49787, 80 ZITCOMDK Denmark 20->37 39 www.kieranandmatthew.com 35.213.246.139, 49817, 80 GOOGLE-2US United States 20->39 41 10 other IPs or domains 20->41 51 System process connects to network (likely due to code injection or exploit) 20->51 24 wlanext.exe 20->24         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 24->53 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/89a88a1b7a336b31ec93a0c8398f096ea9b2f73131f4e70fa3ff4fed265914ee/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-04-14 14:28:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
23 of 41 (56.10%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rguiug32gnvtd3etudedtdyjn2u3f5zrgh2ood5d75h62jszctxa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
232a16efaec47e6d4fc8f5318ed9d9d58198daef519f30a5d9147d38f293638c
Formbook
25b797aed9d1085093ed2fda3fec212d572d3086de9387f93511c9d2624c909a
Formbook
2a4415721925c12ce8a80719697ffbda5daf88fe34804b0549bc5d5605790cdb
Formbook
3be0ec47961daf00ad70c778e46eb97964a4a0c53b281e3ae7828c2ee79e0f62
Formbook
59ea7066c5ea6dc18d7139bb8773375246fdaa93001567a4cf3abf356e9d7b34
Formbook
7f2f847bde8c4df56662677d1df9c413b2328786469a6065b6793ad90198e35d
Formbook
858d8d49de1ad4ff735cf7fc2540587dc2efa86ccb5a8384134413f96742c655
Formbook
b36891ab4a7fa6be1680a65614dd5551a3fa8a89052c381a954601eedd82e62c
Formbook
e5b723d9a13e6fec23839823866253128dbe758c31082616ca89cf55d35a3998
Formbook
+ 15'033 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:u2po loader rat
Link:
https://tria.ge/reports/220414-1cfsyshaa2/
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
Xloader Payload
Xloader
Unpacked files
SH256 hash:
ca5076ee6b23c1d7b1ba3c312468bf4d7ac5fd8a257479a0f56003610109245c
MD5 hash:
4b6259fde4bcfd179c040853f1c9ae92
SHA1 hash:
0a956054129c4e7e822d76e94823fb69354d7eda
Link:
https://www.unpac.me/results/c0313683-6545-418b-aa60-a395d71c1b2d/
SH256 hash:
d4a4df9252dd23832164f78d5865a5702abaef79ad670dcc262c011e7a90c8e9
MD5 hash:
d644e5812b683e519ce6d96fc1700a45
SHA1 hash:
ff534c9db497c93cb3b6fcf2737d276c69fa9580
Link:
https://www.unpac.me/results/c0313683-6545-418b-aa60-a395d71c1b2d/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/c0313683-6545-418b-aa60-a395d71c1b2d/
SH256 hash:
89a88a1b7a336b31ec93a0c8398f096ea9b2f73131f4e70fa3ff4fed265914ee
MD5 hash:
fdd79b64fe464992bff66e53341e348f
SHA1 hash:
c4509299c0050f88eb9db6041645ab64a9316552
Link:
https://www.unpac.me/results/c0313683-6545-418b-aa60-a395d71c1b2d/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/89a88a1b7a33/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
Link:
https://yomi.yoroi.company/submissions/89a88a1b7a336b31ec93a0c8398f096ea9b2f73131f4e70fa3ff4fed265914ee

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
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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 89a88a1b7a336b31ec93a0c8398f096ea9b2f73131f4e70fa3ff4fed265914ee

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/263870/

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