MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c3579c7b2c142c402b4956cb0ce490a3933a3b1ea4d5f937037b117fbc1497d. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5c3579c7b2c142c402b4956cb0ce490a3933a3b1ea4d5f937037b117fbc1497d
SHA3-384 hash: 267b4a8f8153ee78544a74545ea911e83579f22762095c342562791815cfe2b73cc8cbfca82267b7df60e9bd6bb8b7e7
SHA1 hash: 506d38df09cbbdcf6719997888f62db04b8126c8
MD5 hash: 18a73ee06454735336a817b3228ec02f
humanhash: carpet-king-kitten-violet
File name:18a73ee06454735336a817b3228ec02f.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:778'752 bytes
First seen:2022-01-12 10:51:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:nkpcgk+6ZW1rMhPFxx5mNLDvI53dX/zYn/l9QG4wsJGLkLwEUyxLQatGG:nkpzxPhMtFdmtbWdX/MnmsI09mGG
TLSH T1DAF401413BFCC903E2BDA9B6C9FA10240BBA795FA531DB5D3D8922CE1861B904D4179F
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 :
244
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
18a73ee06454735336a817b3228ec02f.exe
Verdict:
Malicious activity
Analysis date:
2022-01-12 12:00:12 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f853abd1-9f7b-4cd0-bbf8-02cb838d4760

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/218692/
Detection(s):
SecuriteInfo.com.Trojan.Siggen16.31343.7570.4200.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Gathering data
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/c6c62789-ae99-4065-b892-2fc432d17397
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/919170
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5c3579c7b2c142c402b4956cb0ce490a3933a3b1ea4d5f937037b117fbc1497d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-12 10:52:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:m1x9 rat spyware stealer trojan
Link:
https://tria.ge/reports/220112-myek5acddp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
217d023c1ce88ff81a11918437063a7c18eb3ba1a3a97e15a9abca2047a53696
MD5 hash:
7492ba85c9fe2c964c7fa7fd13c2eed3
SHA1 hash:
856e9f14d9d20b3a6bff691daf4a90e20e04d372
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/77348c14-8cae-421b-b1e5-a6581db34773/
Parent samples :
cb13b76515eda9a32e999b61c7e11e01de16ebeaf9ae6c503a1a0d238bc5bf37
90b68aa14301d8c578cb7f9a4e3536b54c399f346aed82f19682604f31823cd5
a65e0c7aa04fbcc56fac5fec78b13d51f6c17fe0ba7f34a58a0529bd414048f2
db31c01119f54e596eccec7e9d909d3344f42e82db94f348cdb0ace3d8ba9bab
952277c9dfd5bc4d0ccaf19fd51f58c94bf5993705b150168e3395dab1943a41
b1e658a2886741cb4883dac05d48a62e8d01f6f84af78f2ef5beb78ced173c8a
5c3579c7b2c142c402b4956cb0ce490a3933a3b1ea4d5f937037b117fbc1497d
28323d3c8fd1339a7d4f0ebad6ff377545e88c15fdca9b2f21cdd7c72c07622e
d67dff51d41111e44fe4dc61b5c741d7cae81e1397dbf55bdd3bd0dc144f342f
d07c78ca44c6b0f13f00ecb09e9716eb8d85d6a9baac7eca18c08477f9972840
SH256 hash:
248efd27bd6de5d6db345dc672096d529a3833027d75840e2973ae788c0a2f22
MD5 hash:
9fcd843cf69f739f2c0b82924e549a6b
SHA1 hash:
fbf7598574d37c9eba6ad9345a2ae4fe665e63e3
Link:
https://www.unpac.me/results/77348c14-8cae-421b-b1e5-a6581db34773/
SH256 hash:
6d6255e43f8c15ac35d75832b1b8ac911010720326488ca424eee3e0566817c6
MD5 hash:
6fbeffefb041ca0248c2873f8f170127
SHA1 hash:
dc99780c9888bd4855c7fb8c75e95921ecd6a96a
Link:
https://www.unpac.me/results/77348c14-8cae-421b-b1e5-a6581db34773/
SH256 hash:
4a722cc6dd92158cf6dfaa61f711bc184aecd5929105bf1c935d9f2af980c0f8
MD5 hash:
35a3ffa17ff1180f484b34e5f517d81e
SHA1 hash:
446c4f446ad60075f8a5ae0f5cfad00e4feb09cc
Link:
https://www.unpac.me/results/77348c14-8cae-421b-b1e5-a6581db34773/
SH256 hash:
5c3579c7b2c142c402b4956cb0ce490a3933a3b1ea4d5f937037b117fbc1497d
MD5 hash:
18a73ee06454735336a817b3228ec02f
SHA1 hash:
506d38df09cbbdcf6719997888f62db04b8126c8
Link:
https://www.unpac.me/results/77348c14-8cae-421b-b1e5-a6581db34773/
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/5c3579c7b2c142c402b4956cb0ce490a3933a3b1ea4d5f937037b117fbc1497d

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.

Web download

Formbook

Executable exe 5c3579c7b2c142c402b4956cb0ce490a3933a3b1ea4d5f937037b117fbc1497d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1862603/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/218692/

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