MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8636859de5eb225cb108b7d095f229e68293c827e565eda640d97ddcab6b6135. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8636859de5eb225cb108b7d095f229e68293c827e565eda640d97ddcab6b6135
SHA3-384 hash: b4d7c9ce3cd097ee4783f99e323ab8e03d0aeb6c071b544976b50cc5ed14f32e6f03210f64d045b456309c6161ba7cb6
SHA1 hash: 567cb71a4a3555cde7dfbbcaec333e1952055e06
MD5 hash: 869468046c3991717476e9f718b1604b
humanhash: table-lamp-double-paris
File name:L3_DGC100_L30ST1_20220119_0050407-FPM-11-03_304934.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:918'016 bytes
First seen:2022-08-10 05:19:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:WSJQ6AC7Ytw4vkZt/8Xg16fstxtLtTI2IOk:WkApC2kZiq6ELt
TLSH T18D15F11186984CD8D4A5B7F5AB2384708FB36C25E091EA119D7178BB3F31B63EC06B5E
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 5f23031b9361331b (5 x AgentTesla, 5 x SnakeKeylogger, 4 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
302
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
L3_DGC100_L30ST1_20220119_0050407-FPM-11-03_304934.exe
Verdict:
Malicious activity
Analysis date:
2022-08-10 05:21:41 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/05076313-436f-4949-8cc1-53c7b9e94e0e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/297534/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.32230.21450.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/62f34005b9a899b949b2415c/reports/425d5e21-a60e-4804-94ca-68542606dee3/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/a5b8c30f-3bf5-456c-b1f1-9e87d11bc74e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1049019
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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/8636859de5eb225cb108b7d095f229e68293c827e565eda640d97ddcab6b6135/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-08-10 05:20:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qy3ilhpf5mrfzmiiw7ijl4rj42bjhsbh4vs63jsa3f65zk3lme2q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:private rat spyware stealer trojan
Link:
https://tria.ge/reports/220810-f1fgwafdc6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
902abd029c2ffb3b0caec8ad8edd214b64f9756ce53a58b6b066769dd5c8a805
MD5 hash:
cf9002f69be94066950b8d62ad2623ec
SHA1 hash:
7ac3b755606730ace44f5fb491a376eec064d473
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Link:
https://www.unpac.me/results/a6443e7a-286d-4deb-8a4e-1ed439f2de48/
Parent samples :
5f633ef17fcbc3f2f34548cbf4af305f64873fefa7af6d3bcbde2b070b31f8a3
a6c9d8fdd84cae9e61caded848605b1b3da4ea05a7d20d74400053cdedf0850d
e320d82067b3b2fe0cd1d0b8c0655f8c974b60c4a1834b37a51d6170c615edc3
3e71d457ca114497a6b54846e2f6d571db0619199c046d4fed20bbc93d50e7bd
8636859de5eb225cb108b7d095f229e68293c827e565eda640d97ddcab6b6135
02dd876edf632bdebf413acf1ab9d1087c4ce9989d46e527d8a6ec5111862e08
SH256 hash:
18eb60c0eb3e1c610526d9f4b42684ac36a2ebb521514a8770dca2f2afd7f471
MD5 hash:
7ca239778f9f46d28b08876564dba525
SHA1 hash:
973b0d0d98a83b7dfcf1bfce04a179b0f070b98c
Link:
https://www.unpac.me/results/a6443e7a-286d-4deb-8a4e-1ed439f2de48/
SH256 hash:
3e3db5ae365af98aff85b12839ee7648c44f34490c5701f9f104b1c49f912b1c
MD5 hash:
6bc3febd723323332207a5096491e51d
SHA1 hash:
222421b3444b7840297fc57b5c6dcd81831f57af
Link:
https://www.unpac.me/results/a6443e7a-286d-4deb-8a4e-1ed439f2de48/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/a6443e7a-286d-4deb-8a4e-1ed439f2de48/
SH256 hash:
d0dc023d33f4f0843985e77159ef8ca488bb270ae9f4dd3fc04e56c42455e2ff
MD5 hash:
1d3544b35257b7565716ba499e92d504
SHA1 hash:
183ef30ecdef6d7f939b833ac7c6584dc262988a
Link:
https://www.unpac.me/results/a6443e7a-286d-4deb-8a4e-1ed439f2de48/
SH256 hash:
8636859de5eb225cb108b7d095f229e68293c827e565eda640d97ddcab6b6135
MD5 hash:
869468046c3991717476e9f718b1604b
SHA1 hash:
567cb71a4a3555cde7dfbbcaec333e1952055e06
Link:
https://www.unpac.me/results/a6443e7a-286d-4deb-8a4e-1ed439f2de48/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8636859de5eb/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/8636859de5eb225cb108b7d095f229e68293c827e565eda640d97ddcab6b6135

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 8636859de5eb225cb108b7d095f229e68293c827e565eda640d97ddcab6b6135

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/297534/

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