asyncrat | af51aadc7d93eea0355ed2605959052333a0e124753ff5df78d16bcbf5031fbe

Analysis

max time kernel
1786s
max time network
1797s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
08-09-2022 16:55

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General

Target

Scan_Copy_378493rh1.scr
Size

1.0MB
MD5

c5da839b1c6505b50f9d18588bc29dcc
SHA1

808bcb8114f6188448b06ef581965e6ee09d4562
SHA256

af51aadc7d93eea0355ed2605959052333a0e124753ff5df78d16bcbf5031fbe
SHA512

03cc401161ae408e0b585aee60db9caec298a9f69cd5b1323417dc49771cceb7df3711886542ca7add6ff62091c83b0ae127c26ea2f4112ca6f84edff4e7952d
SSDEEP

12288:7SDJuxq0TA5FCxv2eP0Kla6EMAXmnSBY5eUk4MVYolDfyWEYjms8hV:7S9RK4i0p9r2iYDcmy3qs8hV

Score

10^/10

asyncrat ijefunds rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7A

Botnet

Ijefunds

79.134.225.20:8808

Mutex

mmkawdairhcehilxluo

Attributes

delay
1
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat

Async RAT payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2240-247-0x000000000040C62E-mapping.dmp	asyncrat
behavioral1/memory/2240-302-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Suspicious use of SetThreadContext 1 IoCs

Processes:

Scan_Copy_378493rh1.scr

description pid process target process

PID 3828 set thread context of 2240 3828 Scan_Copy_378493rh1.scr Scan_Copy_378493rh1.scr
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

4024 schtasks.exe

description	pid	process	target process
PID 3828 set thread context of 2240	3828	Scan_Copy_378493rh1.scr	Scan_Copy_378493rh1.scr

pid	process
4024	schtasks.exe

Suspicious behavior: EnumeratesProcesses 38 IoCs

Processes:

Scan_Copy_378493rh1.scrpowershell.exe

pid	process
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
3828	Scan_Copy_378493rh1.scr
1104	powershell.exe
1104	powershell.exe
1104	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Scan_Copy_378493rh1.scrpowershell.exeScan_Copy_378493rh1.scr

description	pid	process
Token: SeDebugPrivilege	3828	Scan_Copy_378493rh1.scr
Token: SeDebugPrivilege	1104	powershell.exe
Token: SeDebugPrivilege	2240	Scan_Copy_378493rh1.scr

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Scan_Copy_378493rh1.scr

description	pid	process	target process
PID 3828 wrote to memory of 1104	3828	Scan_Copy_378493rh1.scr	powershell.exe
PID 3828 wrote to memory of 1104	3828	Scan_Copy_378493rh1.scr	powershell.exe
PID 3828 wrote to memory of 1104	3828	Scan_Copy_378493rh1.scr	powershell.exe
PID 3828 wrote to memory of 4024	3828	Scan_Copy_378493rh1.scr	schtasks.exe
PID 3828 wrote to memory of 4024	3828	Scan_Copy_378493rh1.scr	schtasks.exe
PID 3828 wrote to memory of 4024	3828	Scan_Copy_378493rh1.scr	schtasks.exe
PID 3828 wrote to memory of 2240	3828	Scan_Copy_378493rh1.scr	Scan_Copy_378493rh1.scr
PID 3828 wrote to memory of 2240	3828	Scan_Copy_378493rh1.scr	Scan_Copy_378493rh1.scr
PID 3828 wrote to memory of 2240	3828	Scan_Copy_378493rh1.scr	Scan_Copy_378493rh1.scr
PID 3828 wrote to memory of 2240	3828	Scan_Copy_378493rh1.scr	Scan_Copy_378493rh1.scr
PID 3828 wrote to memory of 2240	3828	Scan_Copy_378493rh1.scr	Scan_Copy_378493rh1.scr
PID 3828 wrote to memory of 2240	3828	Scan_Copy_378493rh1.scr	Scan_Copy_378493rh1.scr
PID 3828 wrote to memory of 2240	3828	Scan_Copy_378493rh1.scr	Scan_Copy_378493rh1.scr
PID 3828 wrote to memory of 2240	3828	Scan_Copy_378493rh1.scr	Scan_Copy_378493rh1.scr

C:\Users\Admin\AppData\Local\Temp\Scan_Copy_378493rh1.scr
"C:\Users\Admin\AppData\Local\Temp\Scan_Copy_378493rh1.scr" /S
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3828

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rahWQrxsGOiUO.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1104

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rahWQrxsGOiUO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp434D.tmp"
2⤵
- Creates scheduled task(s)
PID:4024

C:\Users\Admin\AppData\Local\Temp\Scan_Copy_378493rh1.scr
"C:\Users\Admin\AppData\Local\Temp\Scan_Copy_378493rh1.scr"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2240

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Scan_Copy_378493rh1.scr.log
Filesize
1KB

MD5
12557ab909651a6f99d3503d614d3562

SHA1
b86745768059a514bea3a438e1e96086af463246

SHA256
9589c869703e95d40d5870c60f66d8460f7914e9fe8dd579533c84148112babd

SHA512
10cdb2fa7cf054af937b4aeddfe16fe755d6b09db5a51f7052adbf472b4b435e16c141f3712762f3b67f990c3efcfa47659576988e321214c747d6cd98e75521

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp434D.tmp
Filesize
1KB

MD5
e8bf221770b951f489acb09a29ae38fb

SHA1
c21fa4ac2f70cedd5a7811c6d6def7a45157a892

SHA256
5d2c715597db82821a0e80eb16a477fa6f87680096d18d7850a6af5f5d7d2218

SHA512
fe11c316098f10f2fa6bb9b3ed7997bfadaa6625da7bf80a8a14af217a6be1d7b14a278bef81b57b9195f9a484a228c426a800260a4176d143c07caa0262e451

Download Submit
memory/1104-319-0x00000000079D0000-0x0000000007A1B000-memory.dmp

Filesize
300KB

Download
memory/1104-333-0x0000000007BC0000-0x0000000007C36000-memory.dmp

Filesize
472KB

Download
memory/1104-195-0x0000000000000000-mapping.dmp

Download
memory/1104-606-0x0000000006850000-0x0000000006858000-memory.dmp

Filesize
32KB

Download
memory/1104-601-0x0000000006860000-0x000000000687A000-memory.dmp

Filesize
104KB

Download
memory/1104-370-0x0000000008F50000-0x0000000008FE4000-memory.dmp

Filesize
592KB

Download
memory/1104-363-0x0000000008DA0000-0x0000000008E45000-memory.dmp

Filesize
660KB

Download
memory/1104-354-0x0000000008A10000-0x0000000008A2E000-memory.dmp

Filesize
120KB

Download
memory/1104-353-0x0000000008C70000-0x0000000008CA3000-memory.dmp

Filesize
204KB

Download
memory/1104-274-0x0000000006F00000-0x0000000007528000-memory.dmp

Filesize
6.2MB

Download
memory/1104-260-0x00000000042C0000-0x00000000042F6000-memory.dmp

Filesize
216KB

Download
memory/1104-318-0x0000000006CA0000-0x0000000006CBC000-memory.dmp

Filesize
112KB

Download
memory/1104-315-0x0000000007530000-0x0000000007880000-memory.dmp

Filesize
3.3MB

Download
memory/1104-314-0x0000000006BC0000-0x0000000006C26000-memory.dmp

Filesize
408KB

Download
memory/1104-313-0x0000000006E30000-0x0000000006E52000-memory.dmp

Filesize
136KB

Download
memory/2240-302-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2240-247-0x000000000040C62E-mapping.dmp

Download
memory/3828-157-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-167-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-132-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-133-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-134-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-135-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-136-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-137-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-138-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-139-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-140-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-141-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-142-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-143-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-144-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-145-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-146-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-147-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-148-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-149-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-150-0x0000000000090000-0x0000000000196000-memory.dmp

Filesize
1.0MB

Download
memory/3828-151-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-152-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-153-0x0000000004FE0000-0x00000000054DE000-memory.dmp

Filesize
5.0MB

Download
memory/3828-154-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-155-0x0000000004A30000-0x0000000004AC2000-memory.dmp

Filesize
584KB

Download
memory/3828-156-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-130-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-158-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-159-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-160-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-161-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-162-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-163-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-164-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-165-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-166-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-131-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-168-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-169-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-170-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-171-0x00000000049D0000-0x00000000049DA000-memory.dmp

Filesize
40KB

Download
memory/3828-172-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-173-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-174-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-175-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-176-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-177-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-178-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-179-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-180-0x0000000004FB0000-0x0000000004FCA000-memory.dmp

Filesize
104KB

Download
memory/3828-181-0x0000000008290000-0x000000000829C000-memory.dmp

Filesize
48KB

Download
memory/3828-182-0x00000000083D0000-0x000000000843E000-memory.dmp

Filesize
440KB

Download
memory/3828-183-0x0000000008500000-0x000000000859C000-memory.dmp

Filesize
624KB

Download
memory/3828-184-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-185-0x0000000000980000-0x00000000009E6000-memory.dmp

Filesize
408KB

Download
memory/3828-186-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-129-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-128-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-124-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-127-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-126-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-125-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-123-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-122-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-121-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-120-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-119-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-118-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-117-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-116-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-187-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-188-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-243-0x00000000005C0000-0x00000000005D2000-memory.dmp

Filesize
72KB

Download
memory/4024-197-0x0000000000000000-mapping.dmp

Download