MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 59193ea2bc603f875f795f48d8c2711ad6e4321853e881691f180192e6f29f77. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 59193ea2bc603f875f795f48d8c2711ad6e4321853e881691f180192e6f29f77
SHA3-384 hash: 9b576cfc0f60959818411a3f3df2fe52ab3c17234eb6ed25c6327a21bfc9e29c4f097749c63688c3db673f299b490b61
SHA1 hash: 48fe64eeb38728c58443ace7df337f8905823437
MD5 hash: dd76e3a7854555bf0a76aff66d6e75e8
humanhash: red-equal-football-item
File name:dd76e3a7854555bf0a76aff66d6e75e8.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:487'424 bytes
First seen:2021-12-21 08:48:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:MZVGsqejDGq/imrjDgd15WywECVPAtGG:MWYtKgc+ywEy0GG
Threatray 12'405 similar samples on MalwareBazaar
TLSH T19CA4F128E673E8B9E92C437D35719C221BB0D611B48ADFBE5A8575971C3434224AFCCB
File icon (PE):PE icon
dhash icon b3b3333969693b3b (69 x Formbook, 63 x AgentTesla, 26 x Loki)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
166
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dd76e3a7854555bf0a76aff66d6e75e8.exe
Verdict:
Malicious activity
Analysis date:
2021-12-21 09:00:41 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1dc4c956-33ea-4f61-af42-d16fa8a6278c

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/215606/
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61c195034ab5c44cbf4b4253/reports/cd04ac1b-cde2-4d01-b682-0dc2afdcedb6/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/fbaced99-2e5a-4858-aeb6-7c71847a358b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/910835
Signature
.NET source code contains potential unpacker
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Self deletion via cmd delete
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: 543313 Sample: pr7ZExZsgJ.exe Startdate: 21/12/2021 Architecture: WINDOWS Score: 100 34 www.prelink.xyz 2->34 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 7 other signatures 2->42 10 pr7ZExZsgJ.exe 3 2->10         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\pr7ZExZsgJ.exe.log, ASCII 10->32 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 pr7ZExZsgJ.exe 10->14         started        17 pr7ZExZsgJ.exe 10->17         started        signatures6 process7 signatures8 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Queues an APC in another process (thread injection) 14->60 19 systray.exe 14->19         started        22 explorer.exe 14->22 injected process9 signatures10 44 Self deletion via cmd delete 19->44 46 Modifies the context of a thread in another process (thread injection) 19->46 48 Maps a DLL or memory area into another process 19->48 50 Tries to detect virtualization through RDTSC time measurements 19->50 24 cmd.exe 1 19->24         started        26 explorer.exe 2 151 19->26         started        28 autoconv.exe 22->28         started        process11 process12 30 conhost.exe 24->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/59193ea2bc603f875f795f48d8c2711ad6e4321853e881691f180192e6f29f77/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-21 08:52:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
18 of 27 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lemt5iv4ma7yox3zl5enrqtrdlloimqykpuic2i7daazfzxst53q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
502eab996e6f57c8bdf1ff50364d129eafe8ebb2d5306c461b9aa694c583dc1f
Formbook
558470db798ec71e380a908adaf33e8d39850165e623bdb129196b79919f4248
Formbook
76cd2fa50f3435ac673d7ec4bd24d06d3d461df75f968a2b49d6790ac5035655
Formbook
832160e3e8d0fa8b10ae46a52268d0f2aa5a29d2e084c255babe7423c696db53
Formbook
9fa1cc5263270e7856695780225b4084962371dac2f5d7a921d782dc862f0d05
Formbook
ae371c388cd7f047ae61f852158fc5de2c7f5ab2bdda4b211b9fd87c7b6272dc
Formbook
c54011773bed423243ea28917f4ee89a825cf2886dbb4b0939bac3e955284c0b
Formbook
d96040239b3b2251bbe2e9aeb3f00cfef3917b6427ce2b42260bb437351e6476
Formbook
dc47322035d2b5d35802751c248f3953a8383997345965d0696ce01c541a7846
Formbook
+ 12'395 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:a83r rat spyware stealer trojan
Link:
https://tria.ge/reports/211221-kq1saadefr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
d6981c1972362906d7a54e90b490933e57c4658b604f0127572ce22226653ed7
MD5 hash:
5bd70ea9f1494a448dcc7f93d6e25b4c
SHA1 hash:
bb04b7e5b4398e1cd67f9dc9928bcc3bc2270d8c
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/e5f7c661-933e-476f-9988-bf0dfa6539dc/
Parent samples :
ae371c388cd7f047ae61f852158fc5de2c7f5ab2bdda4b211b9fd87c7b6272dc
59193ea2bc603f875f795f48d8c2711ad6e4321853e881691f180192e6f29f77
eb75ee1b5895c0cc2882a850fab0f379ca09653d92a3a7ff8569593125622355
57a68c7a430cad458e15cea14ecde4f27f4d2fc3384cc4440fbd5fe16d967e4f
3dceeaa794d1b8b67ba67c57820ba13f8078801c589747426b0562b5ebf411ca
95e46ac69b189a47167d193f4d43756f9cf965deba4ae6608ea20115209090e2
4726f7e6956e313b3f98da2e40bfc923b6aa6f5033e90962ed10497cc5957ee1
5bd07db2eed6c7e67e3f3947b5336c6ba986cfbd03bd406c13eda1999a64fc70
945cc074b259187bf0d90e4bc1c29a5ba7983a293eda5569267c7d83af7cb555
1e144fefc15a6a2643674f01b3324e29b5320d45a16a081e8aad8a969712cb9d
SH256 hash:
d448d7e99e47c3c24d12bd080d5b80f15de1daa2938b2ef3e104f254c0644871
MD5 hash:
9fd8791fd7d5fe3a5365ed0ab5b7cd1b
SHA1 hash:
bbe4054467c3427cf1f9021fa46800a0ea696980
Link:
https://www.unpac.me/results/e5f7c661-933e-476f-9988-bf0dfa6539dc/
SH256 hash:
cc863038dfc58d37276a1f1cb952870d6a2cd81a7ac72d3ed7021e5c5aa1c8f0
MD5 hash:
2c5570f3b591aa1fd57f5ec62ab89b76
SHA1 hash:
7a451b030d1acef0a149e333ba9df225fc5494d1
Link:
https://www.unpac.me/results/e5f7c661-933e-476f-9988-bf0dfa6539dc/
SH256 hash:
59193ea2bc603f875f795f48d8c2711ad6e4321853e881691f180192e6f29f77
MD5 hash:
dd76e3a7854555bf0a76aff66d6e75e8
SHA1 hash:
48fe64eeb38728c58443ace7df337f8905823437
Link:
https://www.unpac.me/results/e5f7c661-933e-476f-9988-bf0dfa6539dc/
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/59193ea2bc603f875f795f48d8c2711ad6e4321853e881691f180192e6f29f77

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: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.

Web download

Formbook

Executable exe 59193ea2bc603f875f795f48d8c2711ad6e4321853e881691f180192e6f29f77

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1901647/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/215606/

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