strrat | 49a493e2214429f51e58f0cb7679736d88e196707d03a6c624de96399974ae97

General

Target

a96bfbf20a599ee5f39d549564bb417ab4033193fcc3576b6c7151d29a90611e.jar
Size

64KB
MD5

b41fe131ce29c70de7b55c400cc1fbcb
SHA1

282bd6da4b9047609a04afaab6d7495354baa30f
SHA256

a96bfbf20a599ee5f39d549564bb417ab4033193fcc3576b6c7151d29a90611e
SHA512

b90ecf59f78fe23ef72422f8da508448248ced7b86afcc43d1428ae2b120f90d10be10986e7d5ac44488ea12143fea9a48523784533e0c38790a1da22bda8e65
SSDEEP

1536:cjgwRZ3jmn6fyKsTHJ7gTtozbVrHyCs3KB:cjVRpVHskyvVrysB

Score

10^/10

strrat persistence stealer trojan

Malware Config

Signatures

STRRAT
STRRAT is a remote access tool than can steal credentials and log keystrokes.
trojan stealer strrat

Drops startup file 1 IoCs

Processes:

java.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a96bfbf20a599ee5f39d549564bb417ab4033193fcc3576b6c7151d29a90611e.jar	java.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

java.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows\CurrentVersion\Run\a96bfbf20a599ee5f39d549564bb417ab4033193fcc3576b6c7151d29a90611e = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\a96bfbf20a599ee5f39d549564bb417ab4033193fcc3576b6c7151d29a90611e.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\a96bfbf20a599ee5f39d549564bb417ab4033193fcc3576b6c7151d29a90611e = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\a96bfbf20a599ee5f39d549564bb417ab4033193fcc3576b6c7151d29a90611e.jar\""	java.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 ip-api.com
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

2568 schtasks.exe

flow	ioc
4	ip-api.com

pid	process
2568	schtasks.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

WMIC.exeWMIC.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2896	WMIC.exe
Token: SeSecurityPrivilege	2896	WMIC.exe
Token: SeTakeOwnershipPrivilege	2896	WMIC.exe
Token: SeLoadDriverPrivilege	2896	WMIC.exe
Token: SeSystemProfilePrivilege	2896	WMIC.exe
Token: SeSystemtimePrivilege	2896	WMIC.exe
Token: SeProfSingleProcessPrivilege	2896	WMIC.exe
Token: SeIncBasePriorityPrivilege	2896	WMIC.exe
Token: SeCreatePagefilePrivilege	2896	WMIC.exe
Token: SeBackupPrivilege	2896	WMIC.exe
Token: SeRestorePrivilege	2896	WMIC.exe
Token: SeShutdownPrivilege	2896	WMIC.exe
Token: SeDebugPrivilege	2896	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2896	WMIC.exe
Token: SeRemoteShutdownPrivilege	2896	WMIC.exe
Token: SeUndockPrivilege	2896	WMIC.exe
Token: SeManageVolumePrivilege	2896	WMIC.exe
Token: 33	2896	WMIC.exe
Token: 34	2896	WMIC.exe
Token: 35	2896	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2896	WMIC.exe
Token: SeSecurityPrivilege	2896	WMIC.exe
Token: SeTakeOwnershipPrivilege	2896	WMIC.exe
Token: SeLoadDriverPrivilege	2896	WMIC.exe
Token: SeSystemProfilePrivilege	2896	WMIC.exe
Token: SeSystemtimePrivilege	2896	WMIC.exe
Token: SeProfSingleProcessPrivilege	2896	WMIC.exe
Token: SeIncBasePriorityPrivilege	2896	WMIC.exe
Token: SeCreatePagefilePrivilege	2896	WMIC.exe
Token: SeBackupPrivilege	2896	WMIC.exe
Token: SeRestorePrivilege	2896	WMIC.exe
Token: SeShutdownPrivilege	2896	WMIC.exe
Token: SeDebugPrivilege	2896	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2896	WMIC.exe
Token: SeRemoteShutdownPrivilege	2896	WMIC.exe
Token: SeUndockPrivilege	2896	WMIC.exe
Token: SeManageVolumePrivilege	2896	WMIC.exe
Token: 33	2896	WMIC.exe
Token: 34	2896	WMIC.exe
Token: 35	2896	WMIC.exe
Token: SeIncreaseQuotaPrivilege	436	WMIC.exe
Token: SeSecurityPrivilege	436	WMIC.exe
Token: SeTakeOwnershipPrivilege	436	WMIC.exe
Token: SeLoadDriverPrivilege	436	WMIC.exe
Token: SeSystemProfilePrivilege	436	WMIC.exe
Token: SeSystemtimePrivilege	436	WMIC.exe
Token: SeProfSingleProcessPrivilege	436	WMIC.exe
Token: SeIncBasePriorityPrivilege	436	WMIC.exe
Token: SeCreatePagefilePrivilege	436	WMIC.exe
Token: SeBackupPrivilege	436	WMIC.exe
Token: SeRestorePrivilege	436	WMIC.exe
Token: SeShutdownPrivilege	436	WMIC.exe
Token: SeDebugPrivilege	436	WMIC.exe
Token: SeSystemEnvironmentPrivilege	436	WMIC.exe
Token: SeRemoteShutdownPrivilege	436	WMIC.exe
Token: SeUndockPrivilege	436	WMIC.exe
Token: SeManageVolumePrivilege	436	WMIC.exe
Token: 33	436	WMIC.exe
Token: 34	436	WMIC.exe
Token: 35	436	WMIC.exe
Token: SeIncreaseQuotaPrivilege	436	WMIC.exe
Token: SeSecurityPrivilege	436	WMIC.exe
Token: SeTakeOwnershipPrivilege	436	WMIC.exe
Token: SeLoadDriverPrivilege	436	WMIC.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

java.execmd.exejava.execmd.execmd.execmd.execmd.exe

description	pid	process	target process
PID 1516 wrote to memory of 2696	1516	java.exe	cmd.exe
PID 1516 wrote to memory of 2696	1516	java.exe	cmd.exe
PID 1516 wrote to memory of 2696	1516	java.exe	cmd.exe
PID 1516 wrote to memory of 2800	1516	java.exe	java.exe
PID 1516 wrote to memory of 2800	1516	java.exe	java.exe
PID 1516 wrote to memory of 2800	1516	java.exe	java.exe
PID 2696 wrote to memory of 2568	2696	cmd.exe	schtasks.exe
PID 2696 wrote to memory of 2568	2696	cmd.exe	schtasks.exe
PID 2696 wrote to memory of 2568	2696	cmd.exe	schtasks.exe
PID 2800 wrote to memory of 2956	2800	java.exe	cmd.exe
PID 2800 wrote to memory of 2956	2800	java.exe	cmd.exe
PID 2800 wrote to memory of 2956	2800	java.exe	cmd.exe
PID 2956 wrote to memory of 2896	2956	cmd.exe	WMIC.exe
PID 2956 wrote to memory of 2896	2956	cmd.exe	WMIC.exe
PID 2956 wrote to memory of 2896	2956	cmd.exe	WMIC.exe
PID 2800 wrote to memory of 268	2800	java.exe	cmd.exe
PID 2800 wrote to memory of 268	2800	java.exe	cmd.exe
PID 2800 wrote to memory of 268	2800	java.exe	cmd.exe
PID 268 wrote to memory of 436	268	cmd.exe	WMIC.exe
PID 268 wrote to memory of 436	268	cmd.exe	WMIC.exe
PID 268 wrote to memory of 436	268	cmd.exe	WMIC.exe
PID 2800 wrote to memory of 1500	2800	java.exe	cmd.exe
PID 2800 wrote to memory of 1500	2800	java.exe	cmd.exe
PID 2800 wrote to memory of 1500	2800	java.exe	cmd.exe
PID 1500 wrote to memory of 636	1500	cmd.exe	WMIC.exe
PID 1500 wrote to memory of 636	1500	cmd.exe	WMIC.exe
PID 1500 wrote to memory of 636	1500	cmd.exe	WMIC.exe
PID 2800 wrote to memory of 2520	2800	java.exe	cmd.exe
PID 2800 wrote to memory of 2520	2800	java.exe	cmd.exe
PID 2800 wrote to memory of 2520	2800	java.exe	cmd.exe
PID 2520 wrote to memory of 876	2520	cmd.exe	WMIC.exe
PID 2520 wrote to memory of 876	2520	cmd.exe	WMIC.exe
PID 2520 wrote to memory of 876	2520	cmd.exe	WMIC.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\a96bfbf20a599ee5f39d549564bb417ab4033193fcc3576b6c7151d29a90611e.jar
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1516

C:\Windows\system32\cmd.exe
cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\a96bfbf20a599ee5f39d549564bb417ab4033193fcc3576b6c7151d29a90611e.jar"
2⤵
- Suspicious use of WriteProcessMemory
PID:2696

C:\Windows\system32\schtasks.exe
schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\a96bfbf20a599ee5f39d549564bb417ab4033193fcc3576b6c7151d29a90611e.jar"
3⤵
- Creates scheduled task(s)
PID:2568

C:\Program Files\Java\jre7\bin\java.exe
"C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\a96bfbf20a599ee5f39d549564bb417ab4033193fcc3576b6c7151d29a90611e.jar"
2⤵
- Suspicious use of WriteProcessMemory
PID:2800

C:\Windows\system32\cmd.exe
cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"
3⤵
- Suspicious use of WriteProcessMemory
PID:2956

C:\Windows\System32\Wbem\WMIC.exe
wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:2896

C:\Windows\system32\cmd.exe
cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"
3⤵
- Suspicious use of WriteProcessMemory
PID:268

C:\Windows\System32\Wbem\WMIC.exe
wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:436

C:\Windows\system32\cmd.exe
cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"
3⤵
- Suspicious use of WriteProcessMemory
PID:1500

C:\Windows\System32\Wbem\WMIC.exe
wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
4⤵
PID:636

C:\Windows\system32\cmd.exe
cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter' path antivirusproduct get displayname /format:list"
3⤵
- Suspicious use of WriteProcessMemory
PID:2520

C:\Windows\System32\Wbem\WMIC.exe
wmic /node:localhost /namespace:'\\root\securitycenter' path antivirusproduct get displayname /format:list
4⤵
PID:876

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\a96bfbf20a599ee5f39d549564bb417ab4033193fcc3576b6c7151d29a90611e.jar
Filesize
64KB

MD5
b41fe131ce29c70de7b55c400cc1fbcb

SHA1
282bd6da4b9047609a04afaab6d7495354baa30f

SHA256
a96bfbf20a599ee5f39d549564bb417ab4033193fcc3576b6c7151d29a90611e

SHA512
b90ecf59f78fe23ef72422f8da508448248ced7b86afcc43d1428ae2b120f90d10be10986e7d5ac44488ea12143fea9a48523784533e0c38790a1da22bda8e65

Download Submit
memory/1516-9-0x0000000002090000-0x0000000005090000-memory.dmp

Filesize
48.0MB

Download
memory/1516-10-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2800-21-0x0000000002200000-0x0000000005200000-memory.dmp

Filesize
48.0MB

Download
memory/2800-28-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/2800-54-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/2800-56-0x0000000002200000-0x0000000005200000-memory.dmp

Filesize
48.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads