asyncrat | 28b714bdd63520294c6e4103bf377a89b2afadad3cdf4ef0c58ccb74b78d02c7

General

Target

94b87733c688eacc477a274c06047594_JaffaCakes118.exe
Size

949KB
MD5

94b87733c688eacc477a274c06047594
SHA1

73d02d5c6714a6c3c7afe628640eca6d035d268d
SHA256

28b714bdd63520294c6e4103bf377a89b2afadad3cdf4ef0c58ccb74b78d02c7
SHA512

32e55a6fdfac93016001b142120c1affb0f9c4abcdb27c8541780a5cff9298f067adfce011e1cf5ac7e89254b86f6d51a3b8a744e3fdbe73df3b750a5414cc17
SSDEEP

12288:AQ58Gd2jEp9VsyS1izvlm2ABNTIuae8d41E:AO1p9VsySWvlPA241

Score

10^/10

asyncrat rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.6A

C2

peacelist.ignorelist.com:7707

peacelist.ignorelist.com:8808

peacelist.ignorelist.com:5505

Mutex

FTPgbnffd

Attributes

delay
10
install
true
install_file
shost.exe
install_folder
%AppData%

aes.plain

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

94b87733c688eacc477a274c06047594_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	94b87733c688eacc477a274c06047594_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

Processes:

shost.exeshost.exe

pid process

3644 shost.exe
612 shost.exe

pid	process
3644	shost.exe
612	shost.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

94b87733c688eacc477a274c06047594_JaffaCakes118.exeshost.exe

description	pid	process	target process
PID 1776 set thread context of 2632	1776	94b87733c688eacc477a274c06047594_JaffaCakes118.exe	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
PID 3644 set thread context of 612	3644	shost.exe	shost.exe

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

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/Job
T1053

Processes:

schtasks.exe

pid process

5000 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4732 timeout.exe

pid	process
5000	schtasks.exe

pid	process
4732	timeout.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

94b87733c688eacc477a274c06047594_JaffaCakes118.exe94b87733c688eacc477a274c06047594_JaffaCakes118.exeshost.exeshost.exe

pid	process
1776	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
1776	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
1776	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
3644	shost.exe
3644	shost.exe
3644	shost.exe
612	shost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

94b87733c688eacc477a274c06047594_JaffaCakes118.exe94b87733c688eacc477a274c06047594_JaffaCakes118.exeshost.exeshost.exe

description	pid	process
Token: SeDebugPrivilege	1776	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
Token: SeDebugPrivilege	2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
Token: SeDebugPrivilege	3644	shost.exe
Token: SeDebugPrivilege	612	shost.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

94b87733c688eacc477a274c06047594_JaffaCakes118.exe94b87733c688eacc477a274c06047594_JaffaCakes118.execmd.exeshost.exe

description	pid	process	target process
PID 1776 wrote to memory of 2632	1776	94b87733c688eacc477a274c06047594_JaffaCakes118.exe	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
PID 1776 wrote to memory of 2632	1776	94b87733c688eacc477a274c06047594_JaffaCakes118.exe	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
PID 1776 wrote to memory of 2632	1776	94b87733c688eacc477a274c06047594_JaffaCakes118.exe	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
PID 1776 wrote to memory of 2632	1776	94b87733c688eacc477a274c06047594_JaffaCakes118.exe	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
PID 1776 wrote to memory of 2632	1776	94b87733c688eacc477a274c06047594_JaffaCakes118.exe	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
PID 1776 wrote to memory of 2632	1776	94b87733c688eacc477a274c06047594_JaffaCakes118.exe	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
PID 1776 wrote to memory of 2632	1776	94b87733c688eacc477a274c06047594_JaffaCakes118.exe	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
PID 1776 wrote to memory of 2632	1776	94b87733c688eacc477a274c06047594_JaffaCakes118.exe	94b87733c688eacc477a274c06047594_JaffaCakes118.exe
PID 2632 wrote to memory of 5000	2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe	schtasks.exe
PID 2632 wrote to memory of 5000	2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe	schtasks.exe
PID 2632 wrote to memory of 5000	2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe	schtasks.exe
PID 2632 wrote to memory of 3156	2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe	cmd.exe
PID 2632 wrote to memory of 3156	2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe	cmd.exe
PID 2632 wrote to memory of 3156	2632	94b87733c688eacc477a274c06047594_JaffaCakes118.exe	cmd.exe
PID 3156 wrote to memory of 4732	3156	cmd.exe	timeout.exe
PID 3156 wrote to memory of 4732	3156	cmd.exe	timeout.exe
PID 3156 wrote to memory of 4732	3156	cmd.exe	timeout.exe
PID 3156 wrote to memory of 3644	3156	cmd.exe	shost.exe
PID 3156 wrote to memory of 3644	3156	cmd.exe	shost.exe
PID 3156 wrote to memory of 3644	3156	cmd.exe	shost.exe
PID 3644 wrote to memory of 612	3644	shost.exe	shost.exe
PID 3644 wrote to memory of 612	3644	shost.exe	shost.exe
PID 3644 wrote to memory of 612	3644	shost.exe	shost.exe
PID 3644 wrote to memory of 612	3644	shost.exe	shost.exe
PID 3644 wrote to memory of 612	3644	shost.exe	shost.exe
PID 3644 wrote to memory of 612	3644	shost.exe	shost.exe
PID 3644 wrote to memory of 612	3644	shost.exe	shost.exe
PID 3644 wrote to memory of 612	3644	shost.exe	shost.exe

C:\Users\Admin\AppData\Local\Temp\94b87733c688eacc477a274c06047594_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\94b87733c688eacc477a274c06047594_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1776

C:\Users\Admin\AppData\Local\Temp\94b87733c688eacc477a274c06047594_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\94b87733c688eacc477a274c06047594_JaffaCakes118.exe"
2⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2632

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "'shost"' /tr "'C:\Users\Admin\AppData\Roaming\shost.exe"'
3⤵
- Creates scheduled task(s)
PID:5000

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6339.tmp.bat""
3⤵
- Suspicious use of WriteProcessMemory
PID:3156

C:\Windows\SysWOW64\timeout.exe
timeout 3
4⤵
- Delays execution with timeout.exe
PID:4732

C:\Users\Admin\AppData\Roaming\shost.exe
"C:\Users\Admin\AppData\Roaming\shost.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3644

C:\Users\Admin\AppData\Roaming\shost.exe
"C:\Users\Admin\AppData\Roaming\shost.exe"
5⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:612

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\94b87733c688eacc477a274c06047594_JaffaCakes118.exe.log
Filesize
1KB

MD5
3ec9d3dd240b7a28cb873a02eeb38788

SHA1
c96f2b12927335af747597b4087f1c7964835ee2

SHA256
ed303f4f8c43e2d68bb7ba386e63b5a4376e96dd9d775eb9d47985e3233b90f2

SHA512
5402bc1ea626137976e67215a81d2e8277c031057b9f51c4b92e6f57bfbbafb2b271d63f5398c5bb280c79b8d52e0ec5404bd6c32e9f36c99aa3f49ba21ec494

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6339.tmp.bat
Filesize
149B

MD5
10c9b57e76cb9f5729be8610602f2222

SHA1
8c7b0976ec40acf135df5995b320e15acd955484

SHA256
16e2daf98bbbd9efb6a1df3fb355efbcf21e00b2d30152a599e302a410a61721

SHA512
c9ad73c13ed8dab243fef3b638071fcf0739657f1ed11027fec87f1d722516e34bb9d4e10e89b7591bd94f3aa0ab6e6e752b608ffd14f7ef43f8872c780bcaba

Download Submit
C:\Users\Admin\AppData\Roaming\shost.exe
Filesize
44.9MB

MD5
e01db2f7aa7ddc6a3b24cd8c5500394f

SHA1
b329fa5a534c0c3850b54bb7cf7d6674621bd6de

SHA256
dae309fa8988229e41c532bb68299b0438ffa704b1f0d6b921bc39e2145370c0

SHA512
4daee424e9e33804443f56337dd234134c2c8f8e50eaa879a576c6a6db26be2e3e4a09295a4b4cb68821ec69b863dd2565a42e095a0dc0972864123fef9d05ec

Download Submit
memory/1776-12-0x0000000005D40000-0x0000000005D84000-memory.dmp

Filesize
272KB

Download
memory/1776-14-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/1776-5-0x0000000004B70000-0x0000000004B92000-memory.dmp

Filesize
136KB

Download
memory/1776-6-0x0000000004F10000-0x00000000050D2000-memory.dmp

Filesize
1.8MB

Download
memory/1776-7-0x0000000004D40000-0x0000000004D64000-memory.dmp

Filesize
144KB

Download
memory/1776-8-0x0000000004DA0000-0x0000000004DC2000-memory.dmp

Filesize
136KB

Download
memory/1776-9-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/1776-10-0x0000000005E10000-0x00000000063B4000-memory.dmp

Filesize
5.6MB

Download
memory/1776-11-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/1776-0-0x000000007539E000-0x000000007539F000-memory.dmp

Filesize
4KB

Download
memory/1776-13-0x000000007539E000-0x000000007539F000-memory.dmp

Filesize
4KB

Download
memory/1776-4-0x0000000004CD0000-0x0000000004D36000-memory.dmp

Filesize
408KB

Download
memory/1776-1-0x0000000000150000-0x0000000000244000-memory.dmp

Filesize
976KB

Download
memory/1776-3-0x0000000004BE0000-0x0000000004C72000-memory.dmp

Filesize
584KB

Download
memory/1776-18-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/1776-2-0x0000000002550000-0x0000000002574000-memory.dmp

Filesize
144KB

Download
memory/2632-20-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/2632-21-0x00000000051F0000-0x000000000528C000-memory.dmp

Filesize
624KB

Download
memory/2632-25-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/2632-19-0x0000000075390000-0x0000000075B40000-memory.dmp

Filesize
7.7MB

Download
memory/2632-15-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads