asyncrat | 3b4b549d6be52495bbb8674497d54da2b813e4fb8e8b56ef90258696fed7d285

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General

Target
3b4b549d6be52495bbb8674497d54da2b813e4fb8e8b56ef90258696fed7d285
Size 45KB
Sample260905-hvflsswthy
SHA256 3b4b549d6be52495bbb8674497d54da2b813e4fb8e8b56ef90258696fed7d285
MD5 f37e64a874290f9c65a9da76978de7c7
SHA1 1c1cc2273bf54e70be904af394e6e469bb6f60b3
SHA512 8161ea95aefe119bef6d301592b1528b17c4fa2829c1b729e3169dbab823dc07425c9441156c76ed4a0cd3ba30a2cb61a50d7a836d0bef5f9d07dd33084400d3
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q112q0CCMPd4CvS8PIm6jbPgX3i76r0TRDReDvAuiQf:wuZ8pT1tc2MRCEWBmWb4XS7KecuQdidO
TLSH
T199232B0037E9812BF2BE4F74ADF25245467BF6732603D64A1C8441DB5623FC68A43AFA
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

rat default asyncrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

sextay.net:80
sextay.net:22
sextay.net:8080
sextay.net:8880
sextay.net:2052
sextay.net:2082
sextay.net:2086
sextay.net:2095
sextay.net:443
sextay.net:2053
sextay.net:2083
sextay.net:2087
sextay.net:2096
sextay.net:8443
www.sextay.net:80
www.sextay.net:22
www.sextay.net:8080
www.sextay.net:8880
www.sextay.net:2052
www.sextay.net:2082
www.sextay.net:2086
www.sextay.net:2095
www.sextay.net:443
www.sextay.net:2053
www.sextay.net:2083
www.sextay.net:2087
www.sextay.net:2096
www.sextay.net:8443
ursnif.sextay.net:80
ursnif.sextay.net:22
ursnif.sextay.net:8080
ursnif.sextay.net:8880
ursnif.sextay.net:2052
ursnif.sextay.net:2082
ursnif.sextay.net:2086
ursnif.sextay.net:2095
ursnif.sextay.net:443
ursnif.sextay.net:2053
ursnif.sextay.net:2083
ursnif.sextay.net:2087
ursnif.sextay.net:2096
ursnif.sextay.net:8443
zbot.sextay.net:80
zbot.sextay.net:22
zbot.sextay.net:8080
zbot.sextay.net:8880
zbot.sextay.net:2052
zbot.sextay.net:2082
zbot.sextay.net:2086
zbot.sextay.net:2095
zbot.sextay.net:443
zbot.sextay.net:2053
zbot.sextay.net:2083
zbot.sextay.net:2087
zbot.sextay.net:2096
zbot.sextay.net:8443
codered.sextay.net:80
codered.sextay.net:22
codered.sextay.net:8080
codered.sextay.net:8880
codered.sextay.net:2052
codered.sextay.net:2082
codered.sextay.net:2086
codered.sextay.net:2095
codered.sextay.net:443
codered.sextay.net:2053
codered.sextay.net:2083
codered.sextay.net:2087
codered.sextay.net:2096
codered.sextay.net:8443

Mutex

YNfL2ZWqa0ta

Attributes

delay
0
install
true
install_file
917d.exe
install_folder
%AppData%

aes.plain

Signatures

Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
sample	family_asyncrat

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
3b4b549d6be52495bbb8674497d54da2b813e4fb8e8b56ef90258696fed7d285

File Explorer

3b4b549d6be52495bbb8674497d54da2b813e4fb8e8b56ef90258696fed7d285

.exe 45KB

3b4b549d6be52495bbb8674497d54da2b813e4fb8e8b56ef90258696fed7d285

IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
SHA256 3b4b549d6be52495bbb8674497d54da2b813e4fb8e8b56ef90258696fed7d285
MD5 f37e64a874290f9c65a9da76978de7c7
SHA1 1c1cc2273bf54e70be904af394e6e469bb6f60b3
SHA512 8161ea95aefe119bef6d301592b1528b17c4fa2829c1b729e3169dbab823dc07425c9441156c76ed4a0cd3ba30a2cb61a50d7a836d0bef5f9d07dd33084400d3
SSDEEP 768:wuZ8pT1Uu4/cWUeT66mo2q112q0CCMPd4CvS8PIm6jbPgX3i76r0TRDReDvAuiQf:wuZ8pT1tc2MRCEWBmWb4XS7KecuQdidO
TLSH
T199232B0037E9812BF2BE4F74ADF25245467BF6732603D64A1C8441DB5623FC68A43AFA
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Async RAT payload

rat
Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

51262

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE

PDB paths

3b4b549d6be52495bbb8674497d54da2b813e4fb8e8b56ef90258696fed7d285

mscoree

dotnet