MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4db943d3621a557370a3585cd61db3f9835c65f350a2284c9d5f3024adb0ff07. 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: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4db943d3621a557370a3585cd61db3f9835c65f350a2284c9d5f3024adb0ff07
SHA3-384 hash: bfc4c3737cf192708dbb9e7beab8e00e5e2088635e1a9f490739b85a23638bf9f7be5d8a95571038d146c3e7aad72d02
SHA1 hash: 193c2864f0eae541c4e1965289e9e2d0882e566b
MD5 hash: 3a9f490e44128ee7ac76316e3049d94c
humanhash: edward-green-three-diet
File name:EXTRACTO_SERFINANZA_273183217651464414_68926150243787430462_6301648211691717899332_031463125776032053115.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:192'512 bytes
First seen:2021-07-23 09:51:01 UTC
Last seen:2021-07-23 11:11:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a70b1f0c9f8eea03c5b5d32861bccaa9 (1 x RemcosRAT)
ssdeep 3072:Dyr7vGPftkNnQIxQZQuJi6p333V2D6aa93V2DjQuJi6p3:Dy2P1wQfpi6p3nkD6dkDri6p3
Threatray 3'159 similar samples on MalwareBazaar
TLSH T1D0146A339E62C85BC7649B3614B5E33027166F4470970F9B68CABF6B3DB674239E9108
dhash icon 374c5975650d0149 (1 x RemcosRAT)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
143
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f801ae1f-30e4-4005-9fd7-3453e652712c
Verdict:
Malicious activity
Analysis date:
2021-07-23 10:02:26 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/fc685dec-526c-4ed2-b900-78e790b7457d

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/173587/
Detection(s):
SecuriteInfo.com.Variant.Graftor.981611.16538.20062.UNOFFICIAL
Create hunting rule

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/eeae2265-e311-425a-9fb0-e3e07f16adb9
Result
Threat name:
GuLoader Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/820684
Signature
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
GuLoader behavior detected
Hides threads from debuggers
Installs a global keyboard hook
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)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
guloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4db943d3621a557370a3585cd61db3f9835c65f350a2284c9d5f3024adb0ff07/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2021-07-23 00:58:29 UTC
AV detection:
12 of 46 (26.09%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jw4uhu3cdjkxg4fdlbonmhnt7gbvyzptkcrcqte5l4ycjlnq74dq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
051bfc878cbfc9748f59edcb04b8d8cfdc75b566e403236385c51374b7afd393
RemcosRAT
22634cbaf1a60ca499a9b692aae881cffdaf205a4755ee34915e5512ea87cab4
RemcosRAT
4687822138634f2bc1f49fb34cb97e37a37c397c0f76d2acd88b70672e321405
RemcosRAT
67ad9e8efba0a4c87098f6dfa675de65232d3458c98157642d7301b795771ece
RemcosRAT
6eed5350c18b26f6aadaf28e5ceb48ca742db7fbee28fbe9aa7f3c552651e048
RemcosRAT
8c9ba9842e3e17a820085d913d34d20414ab7acee8106142ce04b5b2bf2581b7
RemcosRAT
a0fd8f81cda85af9221734e97a18c29c25a53020517d507ada3e3a1681036e54
RemcosRAT
d144ad20d75ca601f1189b61459dd9f330ca804db475823bd3e0bb3c0c89f4df
RemcosRAT
dfca1bf3a2bc630e60ee036b0fd5be55b2f2b44e7dc8d2005b86d763bfc7c8ac
RemcosRAT
+ 3'149 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:remcos botnet:adminbancos downloader evasion persistence rat trojan
Link:
https://tria.ge/reports/210723-gc1vk25r16/
Behaviour
Modifies registry key
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks QEMU agent file
Guloader,Cloudeye
Remcos
UAC bypass
Malware Config
C2 Extraction:
databasepropersonombrecomercialideasearchwords.services:2508
Unpacked files
SH256 hash:
4db943d3621a557370a3585cd61db3f9835c65f350a2284c9d5f3024adb0ff07
MD5 hash:
3a9f490e44128ee7ac76316e3049d94c
SHA1 hash:
193c2864f0eae541c4e1965289e9e2d0882e566b
Link:
https://www.unpac.me/results/ae0bb059-f95f-4674-8d2a-130058a5cb12/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4db943d3621a557370a3585cd61db3f9835c65f350a2284c9d5f3024adb0ff07

File information

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

Malspam

RemcosRAT

Executable exe 4db943d3621a557370a3585cd61db3f9835c65f350a2284c9d5f3024adb0ff07

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/173587/

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