MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 30c31a99eda4daca4085458968e8d09f450f1ed7170f76b95cf7694acb0c7f02. 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


RemcosRAT


Vendor detections: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 30c31a99eda4daca4085458968e8d09f450f1ed7170f76b95cf7694acb0c7f02
SHA3-384 hash: 1de65f88518bd9f46832c300d58437866dd68433709209f285f6840d7255023d00b650590df31c9d78165409f6729dc3
SHA1 hash: 8661f4aa281e6990f1ca61844743d0366da597f3
MD5 hash: 64ea67f3e3eb98138f4d9119840a7839
humanhash: cold-single-glucose-delta
File name:returnofgorilla.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'003'273 bytes
First seen:2023-05-24 06:09:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3abe302b6d9a1256e6a915429af4ffd2 (271 x GuLoader, 38 x Formbook, 25 x Loki)
ssdeep 12288:JbkStFa4donfEQw6/KqcKUWxnah3b5Vvg82Lt6k8xfS+R8RasJQ:mWFaVfX/kKUua999OL8ksq+eAQQ
Threatray 896 similar samples on MalwareBazaar
TLSH T12A25BDEA68799965F6F685F47C01788E61ACBD05193A3F022BDF7ACFD9B0140AF01D24
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 72c2d2d469787c78 (1 x RemcosRAT)
Reporter ankit_anubhav
Tags:BoredFluff exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
273
Origin country :
TH TH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
returnofgorilla.exe
Verdict:
Malicious activity
Analysis date:
2023-05-24 06:10:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7da7ffec-cfd0-412d-96e4-7e119b23ec37

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/390960/
Detection(s):
PUA.Win.Packer.ProtectSharewar-2
Create hunting rule

PUA.Win.Packer.ProtectSharewar-3
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file
Creating a file in the %temp% directory
Delayed reading of the file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/87672/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
buer lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/646daa3d0f915ba0dc8af5c9/reports/357a9cf1-dd78-4f2d-a648-8320c212a451/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/30c31a99eda4daca4085458968e8d09f450f1ed7170f76b95cf7694acb0c7f02
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ca4e176a-ef03-40b6-896d-b90bcf0dccf7
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1241328
Signature
Multi AV Scanner detection for submitted file
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/30c31a99eda4daca4085458968e8d09f450f1ed7170f76b95cf7694acb0c7f02/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-05-24 06:10:08 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
9 of 23 (39.13%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gdbrvgpnutnmuqefiwewr2gqt5cq6hwxc4hxnok465uuvsymp4ba._file
Verdict:
unknown
Similar samples:
07fa172e1404c76738226cefc6e5d45559430c9946e419ed089d9ae5690783f9
RemcosRAT
21852b2ff6ff17e36e045883dbd5c30aabf801db69a5fed6451aaec120ad2391
RemcosRAT
39867dae60a1c3269f86579dd0365d57e3bbabfafe922fc3c7000a23c3da42d8
RemcosRAT
7f21d669bfcadbcc424502486cb9bd10284124d3a0bfa7d9b32d4d515bad7290
RemcosRAT
844956284f698514c92b7dd3e64815fad360c362797f14eb187205e178b405e1
RemcosRAT
8dfaec85a4a9f25fd806a2367c6ae46d270ad50497c0cc3aaa866505096f036d
RemcosRAT
c627b8bb6c4ea0cf03aa2d209d0ecc53ff9784283328dabd44c1675aef0939c2
RemcosRAT
df58322b2a0bb94b05101e0139e92fa8fdd9b6603b3cdb4f4bf80b6353d587c1
RemcosRAT
+ 886 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:sure collection persistence rat spyware stealer
Link:
https://tria.ge/reports/230524-gw2d8abf7w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Loads dropped DLL
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
212.87.204.153:4100
Unpacked files
SH256 hash:
904fd5481d72f4e03b01a455f848dedd095d0fb17e33608e0d849f5196fb6ff8
MD5 hash:
55a26d7800446f1373056064c64c3ce8
SHA1 hash:
80256857e9a0a9c8897923b717f3435295a76002
Detections:
win_qtbot_auto
Create hunting rule
Link:
https://www.unpac.me/results/1c2fa561-4b6d-400b-9e3a-b751a8791cb3/
Parent samples :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 hash:
dcad9b7b715356d5348412c90cbeb75fac3f6a6323c52c595d3066676b275f29
MD5 hash:
e0b3a3fef962ba682de8c509bcecc2cf
SHA1 hash:
0268182728a7d79a9025ce78451042fef3a634cd
Link:
https://www.unpac.me/results/1c2fa561-4b6d-400b-9e3a-b751a8791cb3/
SH256 hash:
dd5d0f9db6b3c1fc565551298bb39517d30406933bb37c3297705dae923eec14
MD5 hash:
36ac8744e9cf624104ac83fcad735d60
SHA1 hash:
b2938cd4778254562ccdf93ba22bab97287da650
Link:
https://www.unpac.me/results/1c2fa561-4b6d-400b-9e3a-b751a8791cb3/
SH256 hash:
574acb1f4d92e3775bf46457aa5bb8e81827c99b3dfb4b28073b84ac531bbc97
MD5 hash:
1881363003d8fb696fc515849cb0ef52
SHA1 hash:
49952966f37a2a8b237954970e70c1cf5199b795
Link:
https://www.unpac.me/results/1c2fa561-4b6d-400b-9e3a-b751a8791cb3/
SH256 hash:
af31f96d4c93a5379f87335d71402c3e89d2e7e98c4fdfb47c330eae9c79db67
MD5 hash:
2caf92049a665c1d32fe49ba6b240b43
SHA1 hash:
9e2feacce8ea2c875974d919a133a69da3acda68
Link:
https://www.unpac.me/results/1c2fa561-4b6d-400b-9e3a-b751a8791cb3/
SH256 hash:
30c31a99eda4daca4085458968e8d09f450f1ed7170f76b95cf7694acb0c7f02
MD5 hash:
64ea67f3e3eb98138f4d9119840a7839
SHA1 hash:
8661f4aa281e6990f1ca61844743d0366da597f3
Link:
https://www.unpac.me/results/1c2fa561-4b6d-400b-9e3a-b751a8791cb3/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/30c31a99eda4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.68
Link:
https://yomi.yoroi.company/submissions/30c31a99eda4daca4085458968e8d09f450f1ed7170f76b95cf7694acb0c7f02

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:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/390960/

Comments