strrat | 4005216ddf9e092bddda8a78f0babe94746632ef6a64793e1fa0e94f1538a49c

Analysis

max time kernel
149s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-08-2024 06:24

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General

Target

28082024_1541_28082024_OFFER-INQUIRY.jar
Size

84KB
MD5

ddaffd1e47777bd6ee6f1d89f80dbddb
SHA1

66c0dd7372365df8546b63d98f8c2c4eb0759429
SHA256

4005216ddf9e092bddda8a78f0babe94746632ef6a64793e1fa0e94f1538a49c
SHA512

3fa34856f71640e635b75c1e8365db43f60d164f7122fce6612cf1d22d9ee9ddd9e8fd493076dcc69a5348a6a5d4db345fdbb869716905cb679210b12ba00060
SSDEEP

1536:dVu6KIkej8xhZfQk7A0eSaNa650oIDZaQx2fCRMiMUTBEbY4dTe46gX+LFSnUhru:j2r1fH7A0dT6HFfCi

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\28082024_1541_28082024_OFFER-INQUIRY.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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\28082024_1541_28082024_OFFER-INQUIRY = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\28082024_1541_28082024_OFFER-INQUIRY.jar\""	java.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\28082024_1541_28082024_OFFER-INQUIRY = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\28082024_1541_28082024_OFFER-INQUIRY.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
24	ip-api.com

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

Processes:

schtasks.exe

pid	Process
5096	schtasks.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

WMIC.exeWMIC.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4264	WMIC.exe
Token: SeSecurityPrivilege	4264	WMIC.exe
Token: SeTakeOwnershipPrivilege	4264	WMIC.exe
Token: SeLoadDriverPrivilege	4264	WMIC.exe
Token: SeSystemProfilePrivilege	4264	WMIC.exe
Token: SeSystemtimePrivilege	4264	WMIC.exe
Token: SeProfSingleProcessPrivilege	4264	WMIC.exe
Token: SeIncBasePriorityPrivilege	4264	WMIC.exe
Token: SeCreatePagefilePrivilege	4264	WMIC.exe
Token: SeBackupPrivilege	4264	WMIC.exe
Token: SeRestorePrivilege	4264	WMIC.exe
Token: SeShutdownPrivilege	4264	WMIC.exe
Token: SeDebugPrivilege	4264	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4264	WMIC.exe
Token: SeRemoteShutdownPrivilege	4264	WMIC.exe
Token: SeUndockPrivilege	4264	WMIC.exe
Token: SeManageVolumePrivilege	4264	WMIC.exe
Token: 33	4264	WMIC.exe
Token: 34	4264	WMIC.exe
Token: 35	4264	WMIC.exe
Token: 36	4264	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4264	WMIC.exe
Token: SeSecurityPrivilege	4264	WMIC.exe
Token: SeTakeOwnershipPrivilege	4264	WMIC.exe
Token: SeLoadDriverPrivilege	4264	WMIC.exe
Token: SeSystemProfilePrivilege	4264	WMIC.exe
Token: SeSystemtimePrivilege	4264	WMIC.exe
Token: SeProfSingleProcessPrivilege	4264	WMIC.exe
Token: SeIncBasePriorityPrivilege	4264	WMIC.exe
Token: SeCreatePagefilePrivilege	4264	WMIC.exe
Token: SeBackupPrivilege	4264	WMIC.exe
Token: SeRestorePrivilege	4264	WMIC.exe
Token: SeShutdownPrivilege	4264	WMIC.exe
Token: SeDebugPrivilege	4264	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4264	WMIC.exe
Token: SeRemoteShutdownPrivilege	4264	WMIC.exe
Token: SeUndockPrivilege	4264	WMIC.exe
Token: SeManageVolumePrivilege	4264	WMIC.exe
Token: 33	4264	WMIC.exe
Token: 34	4264	WMIC.exe
Token: 35	4264	WMIC.exe
Token: 36	4264	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1920	WMIC.exe
Token: SeSecurityPrivilege	1920	WMIC.exe
Token: SeTakeOwnershipPrivilege	1920	WMIC.exe
Token: SeLoadDriverPrivilege	1920	WMIC.exe
Token: SeSystemProfilePrivilege	1920	WMIC.exe
Token: SeSystemtimePrivilege	1920	WMIC.exe
Token: SeProfSingleProcessPrivilege	1920	WMIC.exe
Token: SeIncBasePriorityPrivilege	1920	WMIC.exe
Token: SeCreatePagefilePrivilege	1920	WMIC.exe
Token: SeBackupPrivilege	1920	WMIC.exe
Token: SeRestorePrivilege	1920	WMIC.exe
Token: SeShutdownPrivilege	1920	WMIC.exe
Token: SeDebugPrivilege	1920	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1920	WMIC.exe
Token: SeRemoteShutdownPrivilege	1920	WMIC.exe
Token: SeUndockPrivilege	1920	WMIC.exe
Token: SeManageVolumePrivilege	1920	WMIC.exe
Token: 33	1920	WMIC.exe
Token: 34	1920	WMIC.exe
Token: 35	1920	WMIC.exe
Token: 36	1920	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1920	WMIC.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

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

description	pid	Process	procid_target
PID 736 wrote to memory of 2568	736	java.exe	86
PID 736 wrote to memory of 2568	736	java.exe	86
PID 736 wrote to memory of 1932	736	java.exe	88
PID 736 wrote to memory of 1932	736	java.exe	88
PID 2568 wrote to memory of 5096	2568	cmd.exe	90
PID 2568 wrote to memory of 5096	2568	cmd.exe	90
PID 1932 wrote to memory of 856	1932	java.exe	97
PID 1932 wrote to memory of 856	1932	java.exe	97
PID 856 wrote to memory of 4264	856	cmd.exe	99
PID 856 wrote to memory of 4264	856	cmd.exe	99
PID 1932 wrote to memory of 2504	1932	java.exe	100
PID 1932 wrote to memory of 2504	1932	java.exe	100
PID 2504 wrote to memory of 1920	2504	cmd.exe	102
PID 2504 wrote to memory of 1920	2504	cmd.exe	102
PID 1932 wrote to memory of 4140	1932	java.exe	103
PID 1932 wrote to memory of 4140	1932	java.exe	103
PID 4140 wrote to memory of 224	4140	cmd.exe	105
PID 4140 wrote to memory of 224	4140	cmd.exe	105
PID 1932 wrote to memory of 3404	1932	java.exe	106
PID 1932 wrote to memory of 3404	1932	java.exe	106
PID 3404 wrote to memory of 2524	3404	cmd.exe	108
PID 3404 wrote to memory of 2524	3404	cmd.exe	108

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:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\28082024_1541_28082024_OFFER-INQUIRY.jar
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:736
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\28082024_1541_28082024_OFFER-INQUIRY.jar"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2568
- - C:\Windows\system32\schtasks.exe
    schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\28082024_1541_28082024_OFFER-INQUIRY.jar"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:5096
- C:\Program Files\Java\jre-1.8\bin\java.exe
  "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\28082024_1541_28082024_OFFER-INQUIRY.jar"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1932
- - 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:856
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:4264
- - 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:2504
  - - 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:1920
- - 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:4140
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
      4⤵
      PID:224
- - C:\Windows\SYSTEM32\cmd.exe
    cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3404
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
      4⤵
      PID:2524

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\28082024_1541_28082024_OFFER-INQUIRY.jar

Filesize
84KB

MD5
ddaffd1e47777bd6ee6f1d89f80dbddb

SHA1
66c0dd7372365df8546b63d98f8c2c4eb0759429

SHA256
4005216ddf9e092bddda8a78f0babe94746632ef6a64793e1fa0e94f1538a49c

SHA512
3fa34856f71640e635b75c1e8365db43f60d164f7122fce6612cf1d22d9ee9ddd9e8fd493076dcc69a5348a6a5d4db345fdbb869716905cb679210b12ba00060

Download Submit
C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

Filesize
46B

MD5
11bd2392a66f5326926df2205372664c

SHA1
c794edd5fbc6ae996ea67fef0283413fa48ba353

SHA256
2d92de194e46371a51f9ffcb112035edbb49406fda4b694a597fcb2cafb91d00

SHA512
8c051d91a9853e9e7d27667cfbdec3f51295372cffcf4647c29603ab7362400207a477eb94beafef38e632f626134b692ee22280d6f97860b3bd8239e0684e28

Download Submit
memory/736-33-0x000001BD8AC00000-0x000001BD8AC01000-memory.dmp

Filesize
4KB

Download
memory/736-35-0x000001BD8C460000-0x000001BD8C6D0000-memory.dmp

Filesize
2.4MB

Download
memory/736-18-0x000001BD8C700000-0x000001BD8C710000-memory.dmp

Filesize
64KB

Download
memory/736-20-0x000001BD8C710000-0x000001BD8C720000-memory.dmp

Filesize
64KB

Download
memory/736-25-0x000001BD8C730000-0x000001BD8C740000-memory.dmp

Filesize
64KB

Download
memory/736-24-0x000001BD8C720000-0x000001BD8C730000-memory.dmp

Filesize
64KB

Download
memory/736-27-0x000001BD8C740000-0x000001BD8C750000-memory.dmp

Filesize
64KB

Download
memory/736-14-0x000001BD8C6E0000-0x000001BD8C6F0000-memory.dmp

Filesize
64KB

Download
memory/736-13-0x000001BD8C6D0000-0x000001BD8C6E0000-memory.dmp

Filesize
64KB

Download
memory/736-17-0x000001BD8C6F0000-0x000001BD8C700000-memory.dmp

Filesize
64KB

Download
memory/736-36-0x000001BD8C6D0000-0x000001BD8C6E0000-memory.dmp

Filesize
64KB

Download
memory/736-43-0x000001BD8C740000-0x000001BD8C750000-memory.dmp

Filesize
64KB

Download
memory/736-42-0x000001BD8C730000-0x000001BD8C740000-memory.dmp

Filesize
64KB

Download
memory/736-41-0x000001BD8C720000-0x000001BD8C730000-memory.dmp

Filesize
64KB

Download
memory/736-40-0x000001BD8C710000-0x000001BD8C720000-memory.dmp

Filesize
64KB

Download
memory/736-39-0x000001BD8C700000-0x000001BD8C710000-memory.dmp

Filesize
64KB

Download
memory/736-38-0x000001BD8C6F0000-0x000001BD8C700000-memory.dmp

Filesize
64KB

Download
memory/736-37-0x000001BD8C6E0000-0x000001BD8C6F0000-memory.dmp

Filesize
64KB

Download
memory/736-2-0x000001BD8C460000-0x000001BD8C6D0000-memory.dmp

Filesize
2.4MB

Download
memory/1932-47-0x0000019E666F0000-0x0000019E66960000-memory.dmp

Filesize
2.4MB

Download
memory/1932-58-0x0000019E66960000-0x0000019E66970000-memory.dmp

Filesize
64KB

Download
memory/1932-60-0x0000019E66970000-0x0000019E66980000-memory.dmp

Filesize
64KB

Download
memory/1932-62-0x0000019E66980000-0x0000019E66990000-memory.dmp

Filesize
64KB

Download
memory/1932-65-0x0000019E66990000-0x0000019E669A0000-memory.dmp

Filesize
64KB

Download
memory/1932-66-0x0000019E669A0000-0x0000019E669B0000-memory.dmp

Filesize
64KB

Download
memory/1932-68-0x0000019E669B0000-0x0000019E669C0000-memory.dmp

Filesize
64KB

Download
memory/1932-71-0x0000019E669C0000-0x0000019E669D0000-memory.dmp

Filesize
64KB

Download
memory/1932-73-0x0000019E669D0000-0x0000019E669E0000-memory.dmp

Filesize
64KB

Download
memory/1932-74-0x0000019E64E00000-0x0000019E64E01000-memory.dmp

Filesize
4KB

Download
memory/1932-78-0x0000019E666F0000-0x0000019E66960000-memory.dmp

Filesize
2.4MB

Download
memory/1932-80-0x0000019E669E0000-0x0000019E669F0000-memory.dmp

Filesize
64KB

Download
memory/1932-79-0x0000019E66960000-0x0000019E66970000-memory.dmp

Filesize
64KB

Download
memory/1932-83-0x0000019E66970000-0x0000019E66980000-memory.dmp

Filesize
64KB

Download
memory/1932-84-0x0000019E66980000-0x0000019E66990000-memory.dmp

Filesize
64KB

Download
memory/1932-85-0x0000019E66990000-0x0000019E669A0000-memory.dmp

Filesize
64KB

Download
memory/1932-86-0x0000019E669A0000-0x0000019E669B0000-memory.dmp

Filesize
64KB

Download
memory/1932-87-0x0000019E669B0000-0x0000019E669C0000-memory.dmp

Filesize
64KB

Download
memory/1932-88-0x0000019E669C0000-0x0000019E669D0000-memory.dmp

Filesize
64KB

Download
memory/1932-89-0x0000019E669D0000-0x0000019E669E0000-memory.dmp

Filesize
64KB

Download
memory/1932-90-0x0000019E669E0000-0x0000019E669F0000-memory.dmp

Filesize
64KB

Download