f9474d7e4bb0cb581aab83d0003f3334520d2b55f9e6185a5cfd9b0972c8c815

General

Target

2900a61eb29a80a368fbb6930396212d.exe
Size

341KB
MD5

2900a61eb29a80a368fbb6930396212d
SHA1

fedcb5ab469a93328f3cede81119308686ca35b5
SHA256

f9474d7e4bb0cb581aab83d0003f3334520d2b55f9e6185a5cfd9b0972c8c815
SHA512

63f11365544b5425cae2c5eb1ffbf3e7bb35bf159c120b419a0ccad1de4cd6777b962ce3cef43a80343e6d437de1f731012f4b8107ff0ee70cdc9abedc389bcc
SSDEEP

6144:hGFY/6JkMZqf9V7Yo6LHruTDdRvoZplfiF7AlWFSsyS5306OVjyQ6ss:h5WZqf9hQHreYpJi5wWVyS5k5yQJs

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
1088	OdzPKRmbPcnSixZ.exe
2384	CTS.exe
3340	setup-stub.exe

Loads dropped DLL 10 IoCs

pid	Process
3340	setup-stub.exe
3340	setup-stub.exe
3340	setup-stub.exe
3340	setup-stub.exe
3340	setup-stub.exe
3340	setup-stub.exe
3340	setup-stub.exe
3340	setup-stub.exe
3340	setup-stub.exe
3340	setup-stub.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2636-0-0x0000000000C70000-0x0000000000C87000-memory.dmp	upx
behavioral2/memory/2384-11-0x00000000009A0000-0x00000000009B7000-memory.dmp	upx
behavioral2/memory/2636-9-0x0000000000C70000-0x0000000000C87000-memory.dmp	upx
behavioral2/memory/1088-5-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral2/memory/2384-23-0x00000000009A0000-0x00000000009B7000-memory.dmp	upx
behavioral2/memory/1088-21-0x0000000000400000-0x0000000000446000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	2900a61eb29a80a368fbb6930396212d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Program Files directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\nsp11E0.tmp	setup-stub.exe
File opened for modification	C:\Program Files\Mozilla Firefox\nsp11DF.tmp\	setup-stub.exe
File opened for modification	C:\Program Files\Mozilla Firefox\nsp11E1.tmp	setup-stub.exe
File opened for modification	C:\Program Files\Mozilla Firefox\nsp11E2.tmp	setup-stub.exe
File opened for modification	C:\Program Files\Mozilla Firefox\nsp11E1.tmp\	setup-stub.exe
File opened for modification	C:\Program Files\Mozilla Firefox\nsp11DF.tmp	setup-stub.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	2900a61eb29a80a368fbb6930396212d.exe
File created	C:\Windows\CTS.exe	CTS.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2636	2900a61eb29a80a368fbb6930396212d.exe
Token: SeDebugPrivilege	2384	CTS.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 1088	2636	2900a61eb29a80a368fbb6930396212d.exe	45
PID 2636 wrote to memory of 1088	2636	2900a61eb29a80a368fbb6930396212d.exe	45
PID 2636 wrote to memory of 1088	2636	2900a61eb29a80a368fbb6930396212d.exe	45
PID 2636 wrote to memory of 2384	2636	2900a61eb29a80a368fbb6930396212d.exe	44
PID 2636 wrote to memory of 2384	2636	2900a61eb29a80a368fbb6930396212d.exe	44
PID 2636 wrote to memory of 2384	2636	2900a61eb29a80a368fbb6930396212d.exe	44
PID 1088 wrote to memory of 3340	1088	OdzPKRmbPcnSixZ.exe	94
PID 1088 wrote to memory of 3340	1088	OdzPKRmbPcnSixZ.exe	94
PID 1088 wrote to memory of 3340	1088	OdzPKRmbPcnSixZ.exe	94

C:\Users\Admin\AppData\Local\Temp\2900a61eb29a80a368fbb6930396212d.exe
"C:\Users\Admin\AppData\Local\Temp\2900a61eb29a80a368fbb6930396212d.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2636
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:2384
- C:\Users\Admin\AppData\Local\Temp\OdzPKRmbPcnSixZ.exe
  C:\Users\Admin\AppData\Local\Temp\OdzPKRmbPcnSixZ.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1088
- - C:\Users\Admin\AppData\Local\Temp\7zS04454677\setup-stub.exe
    .\setup-stub.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Program Files directory
    PID:3340

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1088-5-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/1088-21-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2384-11-0x00000000009A0000-0x00000000009B7000-memory.dmp

Filesize
92KB

Download
memory/2384-23-0x00000000009A0000-0x00000000009B7000-memory.dmp

Filesize
92KB

Download
memory/2636-0-0x0000000000C70000-0x0000000000C87000-memory.dmp

Filesize
92KB

Download
memory/2636-9-0x0000000000C70000-0x0000000000C87000-memory.dmp

Filesize
92KB

Download
memory/3340-68-0x0000000002890000-0x000000000289F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads