MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c955c4f58223f8e72a6f1d7f7e0090fdb849996784f225c38fa427709e1272dd. 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: c955c4f58223f8e72a6f1d7f7e0090fdb849996784f225c38fa427709e1272dd
SHA3-384 hash: 1074ed8da62fd9abcc00bf3eb065781afb24754eb2fb0decdf07a55cb042c98118bfa60f909b2b07e93e29f69f96e299
SHA1 hash: 902c3b537cec4821b0ffa9b57c06d241dd3d4064
MD5 hash: 18efc23dae895465215abd13c1c86038
humanhash: beer-don-november-hotel
File name:Overdue Statement of Account.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:656'384 bytes
First seen:2023-05-19 16:22:22 UTC
Last seen:2023-05-20 15:18:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:v22gMy3+pfE7Zr5stBlqr31vVd3JtDqX7Q4Wfs40Y:O3+p8SWrFXZtuXBWP
Threatray 2'880 similar samples on MalwareBazaar
TLSH T165D4F13427D9D71AC02A837980E1C3B1A779DC42F462C7474FCDBC4BB28F6EA6660199
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
256
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Overdue Statement of Account.exe
Verdict:
No threats detected
Analysis date:
2023-05-19 16:25:39 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9e3f3075-a221-45b9-bacc-a5d77ba5b6d8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.67087528.23309.28316.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/6467a2668d75e9466a7eae0e/reports/71e3573b-2cf9-4418-8945-29764f9f1fa3/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c955c4f58223f8e72a6f1d7f7e0090fdb849996784f225c38fa427709e1272dd
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/39c53383-109a-4390-a6d0-6509a73645ec
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1237397
Signature
.NET source code contains potential unpacker
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c955c4f58223f8e72a6f1d7f7e0090fdb849996784f225c38fa427709e1272dd/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-05-17 06:33:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zfk4j5mcep4ooktpdv7x4aeq7w4etglhqtzclq4puqtxbhqsoloq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
030026bf6983702ec4865754d69d48af120bf0dea165ef7ef22428422412fff4
Formbook
2bfe16100af653d012b5b833cf2ed6431ae1ca9660fab081679f92da34fb5f57
Formbook
2c41ec55217c805b8a73085daa06089d01cd601d1bc16a0099be113222e0446b
Formbook
5fed9c873f468294fce13808c139fc7ccf40d412e052bb31c8d768750ed8a22d
Formbook
6747898e3bae69a097470821aa442f963c95c377daf15cec63f893d28f334cf4
Formbook
69087db34f2934a2bc582a76273d4f3d75e15fda3e900a56e8f89bcc04c8040e
Formbook
8371116d95aa209dd33ab56ef48b991b23c0882d04efe59bee73039077565197
Formbook
a28cb539852da2e100484ab8cee9613a28b2e68d409b99d80e27f4fb7f238b5d
Formbook
f1c78b2121d019681e884190c1968c1fbdd4d38d42933c2e6c0aefd4daa3f6a7
Formbook
+ 2'870 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230519-tvsf5sef73/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
4e094307bb65daff99f7ebef8de4a3088e9a64cb6ce807da025e8cb6cdb62b82
MD5 hash:
0d6792f61c5ce7b70e845e5ca3053976
SHA1 hash:
590a677f0afdc16240e0708e19f6c1854febbdd7
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/5cc904be-8379-41d9-b83b-112b5a08ff07/
Parent samples :
167cc7f70f2d0e79c1b1eff6d9c483f9c2c8fcaab0e44d6245d89e997831ca12
8371116d95aa209dd33ab56ef48b991b23c0882d04efe59bee73039077565197
2c41ec55217c805b8a73085daa06089d01cd601d1bc16a0099be113222e0446b
6747898e3bae69a097470821aa442f963c95c377daf15cec63f893d28f334cf4
69087db34f2934a2bc582a76273d4f3d75e15fda3e900a56e8f89bcc04c8040e
030026bf6983702ec4865754d69d48af120bf0dea165ef7ef22428422412fff4
1f3e2e4828e5254eb321e357600476932a047e8f1083ce39d4f2f919b25314b0
f1c78b2121d019681e884190c1968c1fbdd4d38d42933c2e6c0aefd4daa3f6a7
2bfe16100af653d012b5b833cf2ed6431ae1ca9660fab081679f92da34fb5f57
c955c4f58223f8e72a6f1d7f7e0090fdb849996784f225c38fa427709e1272dd
SH256 hash:
43c8579f16cc456e55b7d7d6cb23ed21175b45875755b8eae0ff777e871c1700
MD5 hash:
7944d6199d4993a886d7d37f3d0eacba
SHA1 hash:
70a9b695fedc4c173e4f4b64ee939da09326ef52
Link:
https://www.unpac.me/results/5cc904be-8379-41d9-b83b-112b5a08ff07/
SH256 hash:
7729ff78ef1107fe8ee0f8a96411ecc1718c02098e2a94a6a97c490bf11101e5
MD5 hash:
9a70d4ebe6b2fefc438c79a827751d9b
SHA1 hash:
ea3ae8d861ed6683ec29d382ba7e01ea600936e1
Link:
https://www.unpac.me/results/5cc904be-8379-41d9-b83b-112b5a08ff07/
SH256 hash:
dbee6d36c1da0def6c56fa7c171b701e324392bc763224d2cd7336b2c9618ce1
MD5 hash:
105c046afff463962e6bcc198675e59f
SHA1 hash:
dd95e8a181659e509053eca66e7ea83f636850cc
Link:
https://www.unpac.me/results/5cc904be-8379-41d9-b83b-112b5a08ff07/
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
Link:
https://www.unpac.me/results/5cc904be-8379-41d9-b83b-112b5a08ff07/
Parent samples :
ee57b6fa1e5a3c5ef776b79f32820327bcb3fe1974eeddf65c0eb56131193397
de8c7c543f438af1e7e78096f6873268e9b1a12745edf9c88db07e136163399e
SH256 hash:
81d3b893aad0def2fc419f00eacab146e9bc389c261bab03416ebd5155ca68eb
MD5 hash:
c9f0b8319c7ca450341379fc83a29a71
SHA1 hash:
26dbd09bb76b06cad76d1076f7a38892d4cb37d9
Link:
https://www.unpac.me/results/5cc904be-8379-41d9-b83b-112b5a08ff07/
SH256 hash:
c955c4f58223f8e72a6f1d7f7e0090fdb849996784f225c38fa427709e1272dd
MD5 hash:
18efc23dae895465215abd13c1c86038
SHA1 hash:
902c3b537cec4821b0ffa9b57c06d241dd3d4064
Link:
https://www.unpac.me/results/5cc904be-8379-41d9-b83b-112b5a08ff07/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c955c4f58223/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/c955c4f58223f8e72a6f1d7f7e0090fdb849996784f225c38fa427709e1272dd

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 c955c4f58223f8e72a6f1d7f7e0090fdb849996784f225c38fa427709e1272dd

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments