asyncrat | 25f5625ca29d97a097fcf2a3750c20df4b71c00e745b2b0905060e3be36ad77a

Analysis

max time kernel
71s
max time network
152s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
21-03-2023 19:30

Target

tmp.exe
Size

1.6MB
MD5

0e1b2b53ca02872f52ae1c9b19c064e3
SHA1

1ef365bfbc36976de14965ecdf8a2db159de6ed4
SHA256

25f5625ca29d97a097fcf2a3750c20df4b71c00e745b2b0905060e3be36ad77a
SHA512

6bb6010d8a81cc77b30343ebda705fc55b81a5a76a9bc07a3cd2417f2c3e4772b9875813bd447b43de570e50b259e01a253073ee1b332c9c314751536a5de9c1
SSDEEP

49152:7p2Xk24Lko9TQprjvnp2rObS7oP00tcu3WIxJHjiaJ75TL0jljMnAVQcW:dG4LkQT8rjvQqu7a0Ucu5xJHjiY5nQln

Score

10^/10

asyncrat rat

Credentials

Family

asyncrat

103.231.254.62:8848

Mutex

rtdgbregegerger

Attributes

aes.plain

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

Async RAT payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1320-56-0x0000000001000000-0x0000000001016000-memory.dmp	asyncrat
behavioral1/memory/1320-58-0x0000000005E70000-0x0000000005EB0000-memory.dmp	asyncrat
behavioral1/memory/1320-78-0x00000000030C0000-0x0000000003132000-memory.dmp	asyncrat

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

tmp.exe

pid process

1320 tmp.exe
1320 tmp.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

tmp.exe

description pid process

Token: SeDebugPrivilege 1320 tmp.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

tmp.exetmp.exe

pid process

1320 tmp.exe
1376 tmp.exe

pid	process
1320	tmp.exe
1320	tmp.exe

description	pid	process
Token: SeDebugPrivilege	1320	tmp.exe

pid	process
1320	tmp.exe
1376	tmp.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

taskeng.exe

description	pid	process	target process
PID 1988 wrote to memory of 1376	1988	taskeng.exe	tmp.exe
PID 1988 wrote to memory of 1376	1988	taskeng.exe	tmp.exe
PID 1988 wrote to memory of 1376	1988	taskeng.exe	tmp.exe
PID 1988 wrote to memory of 1376	1988	taskeng.exe	tmp.exe

C:\Windows\system32\taskeng.exe
taskeng.exe {DEE6E230-9F34-4C3E-AC8A-77B149C11633} S-1-5-21-2647223082-2067913677-935928954-1000:BPOQNXYB\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1988

C:\Users\Admin\AppData\Local\Temp\tmp.exe
C:\Users\Admin\AppData\Local\Temp\tmp.exe
2⤵
- Suspicious use of SetWindowsHookEx
PID:1376

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
61KB

MD5
e71c8443ae0bc2e282c73faead0a6dd3

SHA1
0c110c1b01e68edfacaeae64781a37b1995fa94b

SHA256
95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72

SHA512
b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar6C71.tmp
Filesize
161KB

MD5
be2bec6e8c5653136d3e72fe53c98aa3

SHA1
a8182d6db17c14671c3d5766c72e58d87c0810de

SHA256
1919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd

SHA512
0d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff

Download Submit
memory/1320-56-0x0000000001000000-0x0000000001016000-memory.dmp

Filesize
88KB

Download
memory/1320-58-0x0000000005E70000-0x0000000005EB0000-memory.dmp

Filesize
256KB

Download
memory/1320-59-0x0000000005E70000-0x0000000005EB0000-memory.dmp

Filesize
256KB

Download
memory/1320-78-0x00000000030C0000-0x0000000003132000-memory.dmp

Filesize
456KB

Download
memory/1320-99-0x0000000005E70000-0x0000000005EB0000-memory.dmp

Filesize
256KB

Download
memory/1376-103-0x0000000003900000-0x0000000003940000-memory.dmp

Filesize
256KB

Download