asyncrat | c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877

Analysis

max time kernel
148s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
16/08/2026, 16:14

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General

Target
c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
Size 45KB
Sample260816-tpvpbaej8x
SHA256 c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877
MD5 b46395022ffa078cca12909c14a4e105
SHA1 080a07ba7ae9909d33d0be459a40cd2d83116acc
SHA512 ef53140e188eb30d65b9b9f366566c07b53cb636b800256ab45cd64806c1685b83108c83a0aed4d65a510f654f665c7e417f64904d75e3d53ac4232222845993
SSDEEP 768:MuBGJTP0BQ0UWUWHaimo2qVJpt0CCM+d4CvS8PIk7jbCgX3iWau9fpUhN7tZiGBE:MuBGJTPho2Q/CFWBkvblXSdWRU77tIIE
TLSH
T1A7232A0037E8812BF2BE4F78A9F26145467AF6632603DA491CC451DB5B23FC686536FE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default command_and_control defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

e.streamforester.name:80
e.streamforester.name:22
e.streamforester.name:8080
e.streamforester.name:8880
e.streamforester.name:2052
e.streamforester.name:2082
e.streamforester.name:2086
e.streamforester.name:2095
e.streamforester.name:443
e.streamforester.name:2053
e.streamforester.name:2083
e.streamforester.name:2087
e.streamforester.name:2096
e.streamforester.name:8443
www.e.streamforester.name:80
www.e.streamforester.name:22
www.e.streamforester.name:8080
www.e.streamforester.name:8880
www.e.streamforester.name:2052
www.e.streamforester.name:2082
www.e.streamforester.name:2086
www.e.streamforester.name:2095
www.e.streamforester.name:443
www.e.streamforester.name:2053
www.e.streamforester.name:2083
www.e.streamforester.name:2087
www.e.streamforester.name:2096
www.e.streamforester.name:8443
formbook.e.streamforester.name:80
formbook.e.streamforester.name:22
formbook.e.streamforester.name:8080
formbook.e.streamforester.name:8880
formbook.e.streamforester.name:2052
formbook.e.streamforester.name:2082
formbook.e.streamforester.name:2086
formbook.e.streamforester.name:2095
formbook.e.streamforester.name:443
formbook.e.streamforester.name:2053
formbook.e.streamforester.name:2083
formbook.e.streamforester.name:2087
formbook.e.streamforester.name:2096
formbook.e.streamforester.name:8443
hack.e.streamforester.name:80
hack.e.streamforester.name:22
hack.e.streamforester.name:8080
hack.e.streamforester.name:8880
hack.e.streamforester.name:2052
hack.e.streamforester.name:2082
hack.e.streamforester.name:2086
hack.e.streamforester.name:2095
hack.e.streamforester.name:443
hack.e.streamforester.name:2053
hack.e.streamforester.name:2083
hack.e.streamforester.name:2087
hack.e.streamforester.name:2096
hack.e.streamforester.name:8443

Mutex

4ZAtyQfPjyOd

Attributes

delay
0
install
true
install_file
miic.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
behavioral2/files/0x000d00000001c54f-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2836	miic.exe
4964	miic.exe

Outbound SSH connection to public host 2 TTPs 6 IoCs

SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

command_and_control

Protocol Tunneling

T1572

Network Service Discovery

T1046

description	flow	ioc
SSH destination	6	172.67.70.147:22
SSH destination	8	104.26.5.5:22
SSH destination	9	104.26.4.5:22
SSH destination	10	172.67.70.147:22
SSH destination	11	104.26.5.5:22
SSH destination	5	104.26.4.5:22

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
5112	cmd.exe
1136	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	miic.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	miic.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4888	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1160	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
Token: SeDebugPrivilege	2836	miic.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 5540 wrote to memory of 5112	5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe	89
PID 5540 wrote to memory of 1136	5540	c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe	91
PID 5112 wrote to memory of 1160	5112	cmd.exe	93
PID 1136 wrote to memory of 4888	1136	cmd.exe	94
PID 1136 wrote to memory of 4964	1136	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe
"C:\Users\Admin\AppData\Local\Temp\c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5540
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "miic" /tr '"C:\Users\Admin\AppData\Roaming\miic.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5112
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "miic" /tr '"C:\Users\Admin\AppData\Roaming\miic.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1160
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5C10.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1136
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4888
- - C:\Users\Admin\AppData\Roaming\miic.exe
    "C:\Users\Admin\AppData\Roaming\miic.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4964

C:\Users\Admin\AppData\Roaming\miic.exe
"C:\Users\Admin\AppData\Roaming\miic.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2836

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:5636

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Protocol Tunneling

T1572

Exfiltration

Impact

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Downloads

tmp5C10.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp5C10.tmp.bat
Size 148B
SHA256 10f47ee11d15e6a00480c319b80f938429d8731eadee4372cc588694059fd78d
MD5 055fde1e687e830c79d16c148554bd38
SHA1 872d314151e8a2f474e8e7b5ffe7370fbcf3303d
SHA512 70102ea1ff5050ec662b3fa3a9e845a323ee3408078baaf2472b23dfb83aadf20fab1d74ea85ed384d8effe0cac589a516cbd7572bcdd576c5a00ddb6272f17c
TLSH
T1F2C02B4351CAEB4F2909181316FAD9DCA1726C5E3F40BB00C304500F2280448F0D9341
MD5 SHA1 SHA512 TLSH

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miic.exe

Path C:\Users\Admin\AppData\Roaming\miic.exe
Size 45KB
SHA256 c875a1b02d68ff5bb3ecc869eb9e8bf048671a558629ef35819cbfe53af8e877
MD5 b46395022ffa078cca12909c14a4e105
SHA1 080a07ba7ae9909d33d0be459a40cd2d83116acc
SHA512 ef53140e188eb30d65b9b9f366566c07b53cb636b800256ab45cd64806c1685b83108c83a0aed4d65a510f654f665c7e417f64904d75e3d53ac4232222845993
SSDEEP 768:MuBGJTP0BQ0UWUWHaimo2qVJpt0CCM+d4CvS8PIk7jbCgX3iWau9fpUhN7tZiGBE:MuBGJTPho2Q/CFWBkvblXSdWRU77tIIE
TLSH
T1A7232A0037E8812BF2BE4F78A9F26145467AF6632603DA491CC451DB5B23FC686536FE
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2836-12-0x00000000744D0000-0x0000000074C8C000-memory.dmp

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memory/2836-14-0x00000000744D0000-0x0000000074C8C000-memory.dmp

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memory/5540-0-0x0000000074652000-0x0000000074653000-memory.dmp

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memory/5540-1-0x0000000000A90000-0x0000000000AA2000-memory.dmp

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memory/5540-2-0x0000000074640000-0x0000000074DFC000-memory.dmp

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memory/5540-3-0x0000000005600000-0x000000000569C000-memory.dmp

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memory/5540-8-0x0000000074640000-0x0000000074DFC000-memory.dmp

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