74c71e3021d6bc23a08cc8019b8bfc648d83e164edb4aafb63dd2b88168a0f43

General

Target

5115238a76ae23232fa810ad55091309.exe
Size

123KB
MD5

5115238a76ae23232fa810ad55091309
SHA1

bd76b05f881e3f6f4033db9125d38fc05083521a
SHA256

74c71e3021d6bc23a08cc8019b8bfc648d83e164edb4aafb63dd2b88168a0f43
SHA512

0c2f3c31535f8e1ab52ccfefcb80ac851c3e847dd378b0728d6fee97bd1ae9552012bf626c639e4588b844419f3e0dc22d417a652219d86adeed061559a3e478
SSDEEP

3072:SKcWmjRrz3ZKcWmjRrz36LZ7YCKnF8VDfq3mCqUT:hGyG4UOVDfq3mCr

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2476	Dd8tzQF1DYfSyg2.exe
2328	CTS.exe

Loads dropped DLL 2 IoCs

pid	Process
2472	5115238a76ae23232fa810ad55091309.exe
2472	5115238a76ae23232fa810ad55091309.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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2472-0-0x0000000000090000-0x00000000000A7000-memory.dmp	upx
behavioral1/memory/2472-15-0x0000000000090000-0x00000000000A7000-memory.dmp	upx
behavioral1/memory/2472-14-0x0000000000070000-0x0000000000087000-memory.dmp	upx
behavioral1/files/0x0008000000012281-13.dat	upx
behavioral1/memory/2328-18-0x00000000008E0000-0x00000000008F7000-memory.dmp	upx
behavioral1/files/0x000b00000001225c-20.dat	upx
behavioral1/memory/2472-24-0x0000000000070000-0x0000000000087000-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"	5115238a76ae23232fa810ad55091309.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	5115238a76ae23232fa810ad55091309.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2472	5115238a76ae23232fa810ad55091309.exe
Token: SeDebugPrivilege	2328	CTS.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2472 wrote to memory of 2476	2472	5115238a76ae23232fa810ad55091309.exe	28
PID 2472 wrote to memory of 2476	2472	5115238a76ae23232fa810ad55091309.exe	28
PID 2472 wrote to memory of 2476	2472	5115238a76ae23232fa810ad55091309.exe	28
PID 2472 wrote to memory of 2476	2472	5115238a76ae23232fa810ad55091309.exe	28
PID 2472 wrote to memory of 2328	2472	5115238a76ae23232fa810ad55091309.exe	30
PID 2472 wrote to memory of 2328	2472	5115238a76ae23232fa810ad55091309.exe	30
PID 2472 wrote to memory of 2328	2472	5115238a76ae23232fa810ad55091309.exe	30
PID 2472 wrote to memory of 2328	2472	5115238a76ae23232fa810ad55091309.exe	30

C:\Users\Admin\AppData\Local\Temp\5115238a76ae23232fa810ad55091309.exe
"C:\Users\Admin\AppData\Local\Temp\5115238a76ae23232fa810ad55091309.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2472
- C:\Users\Admin\AppData\Local\Temp\Dd8tzQF1DYfSyg2.exe
  C:\Users\Admin\AppData\Local\Temp\Dd8tzQF1DYfSyg2.exe
  2⤵
  - Executes dropped EXE
  PID:2476
- 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:2328

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

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Dd8tzQF1DYfSyg2.exe

Filesize
123KB

MD5
ef296205718c8588c1c800ff1bfeee37

SHA1
42703a10e713fc2f09a759588979a5d3464e000d

SHA256
3b0d4cabc9167e87d23536f1913c420ab8a039bf172b188080dd6201c1aa345b

SHA512
4e42ce05552eb1f79d1f3d33a5f3875958f809fa599b2087a9b19d86b45540f08541f70f98635d6b5e7f8c3c95e495fdab4bc1afe99a5e15f094ca219ed3523b

Download Submit
C:\Windows\CTS.exe

Filesize
59KB

MD5
5efd390d5f95c8191f5ac33c4db4b143

SHA1
42d81b118815361daa3007f1a40f1576e9a9e0bc

SHA256
6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

SHA512
720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

Download Submit
\Users\Admin\AppData\Local\Temp\Dd8tzQF1DYfSyg2.exe

Filesize
64KB

MD5
a32a382b8a5a906e03a83b4f3e5b7a9b

SHA1
11e2bdd0798761f93cce363329996af6c17ed796

SHA256
75f12ea2f30d9c0d872dade345f30f562e6d93847b6a509ba53beec6d0b2c346

SHA512
ec87dd957be21b135212454646dcabdd7ef9442cf714e2c1f6b42b81f0c3fa3b1875bde9a8b538e8a0aa2190225649c29e9ed0f25176e7659e55e422dd4efe4c

Download Submit
memory/2328-18-0x00000000008E0000-0x00000000008F7000-memory.dmp

Filesize
92KB

Download
memory/2472-0-0x0000000000090000-0x00000000000A7000-memory.dmp

Filesize
92KB

Download
memory/2472-15-0x0000000000090000-0x00000000000A7000-memory.dmp

Filesize
92KB

Download
memory/2472-14-0x0000000000070000-0x0000000000087000-memory.dmp

Filesize
92KB

Download
memory/2472-24-0x0000000000070000-0x0000000000087000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads