90de9964941534e711b22ac3515e5c6e76b367da929a6583b5a74be69ebc14ef

General

Target

5a907e56c2631ff1d49628921cdf952c.exe
Size

91KB
MD5

5a907e56c2631ff1d49628921cdf952c
SHA1

cb7d0e29b1c73292335bf75d67762dac2ccc1ea2
SHA256

90de9964941534e711b22ac3515e5c6e76b367da929a6583b5a74be69ebc14ef
SHA512

6027303d307feb4561a210903d1327fe7a0923aef85fe32be4425e6aad67e8dbca9d535ea4c6962ab9605a477b547c753ddbf0a4eb0930231e45f4b819f23317
SSDEEP

1536:s9Z3KcR4mjD9r8226+HV3QZsUAacZZzOo1i8nPc2skvJCCll6HifI:sr3KcWmjRrzSltScTzOV8PLcKQHyI

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3060	CTS.exe
1388	r3KVluXD7GuhkNQ.exe

Loads dropped DLL 1 IoCs

pid	Process
3016	5a907e56c2631ff1d49628921cdf952c.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 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3016-0-0x0000000000A10000-0x0000000000A27000-memory.dmp	upx
behavioral1/memory/3016-9-0x0000000000A10000-0x0000000000A27000-memory.dmp	upx
behavioral1/files/0x0009000000012270-4.dat	upx
behavioral1/memory/3060-15-0x00000000001B0000-0x00000000001C7000-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"	5a907e56c2631ff1d49628921cdf952c.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	5a907e56c2631ff1d49628921cdf952c.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2520	dw20.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3016	5a907e56c2631ff1d49628921cdf952c.exe
Token: SeDebugPrivilege	3060	CTS.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 1388	3016	5a907e56c2631ff1d49628921cdf952c.exe	28
PID 3016 wrote to memory of 1388	3016	5a907e56c2631ff1d49628921cdf952c.exe	28
PID 3016 wrote to memory of 1388	3016	5a907e56c2631ff1d49628921cdf952c.exe	28
PID 3016 wrote to memory of 1388	3016	5a907e56c2631ff1d49628921cdf952c.exe	28
PID 3016 wrote to memory of 3060	3016	5a907e56c2631ff1d49628921cdf952c.exe	29
PID 3016 wrote to memory of 3060	3016	5a907e56c2631ff1d49628921cdf952c.exe	29
PID 3016 wrote to memory of 3060	3016	5a907e56c2631ff1d49628921cdf952c.exe	29
PID 3016 wrote to memory of 3060	3016	5a907e56c2631ff1d49628921cdf952c.exe	29
PID 1388 wrote to memory of 2520	1388	r3KVluXD7GuhkNQ.exe	31
PID 1388 wrote to memory of 2520	1388	r3KVluXD7GuhkNQ.exe	31
PID 1388 wrote to memory of 2520	1388	r3KVluXD7GuhkNQ.exe	31

C:\Users\Admin\AppData\Local\Temp\5a907e56c2631ff1d49628921cdf952c.exe
"C:\Users\Admin\AppData\Local\Temp\5a907e56c2631ff1d49628921cdf952c.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:3016
- C:\Users\Admin\AppData\Local\Temp\r3KVluXD7GuhkNQ.exe
  C:\Users\Admin\AppData\Local\Temp\r3KVluXD7GuhkNQ.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1388
- - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
    dw20.exe -x -s 380
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    PID:2520
- 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:3060

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:\Windows\CTS.exe

Filesize
35KB

MD5
93e5f18caebd8d4a2c893e40e5f38232

SHA1
fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

SHA256
a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

SHA512
986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

Download Submit
\Users\Admin\AppData\Local\Temp\r3KVluXD7GuhkNQ.exe

Filesize
56KB

MD5
e115521ba14b75f53dcdff087ec6898f

SHA1
87103a892bb514a93d485fba221bacb9da3aae25

SHA256
59b284d0ad4c2634938e70fae67d9048bd98422d052fbd745a9b80b5fae7ae29

SHA512
ab3d097bcf11bf7327a28124052b210f5fb13b9bfb9b7376cae1ba5c30182a330506935288a7fe06b7e3fdd82b57f5c31638f1c301738342819c772b346fa35a

Download Submit
memory/1388-18-0x000007FEF57F0000-0x000007FEF618D000-memory.dmp

Filesize
9.6MB

Download
memory/1388-24-0x0000000000B10000-0x0000000000B90000-memory.dmp

Filesize
512KB

Download
memory/1388-23-0x000007FEF57F0000-0x000007FEF618D000-memory.dmp

Filesize
9.6MB

Download
memory/1388-19-0x0000000000B10000-0x0000000000B90000-memory.dmp

Filesize
512KB

Download
memory/2520-20-0x0000000001CF0000-0x0000000001CF1000-memory.dmp

Filesize
4KB

Download
memory/3016-12-0x00000000001B0000-0x00000000001C7000-memory.dmp

Filesize
92KB

Download
memory/3016-14-0x00000000001B0000-0x00000000001C7000-memory.dmp

Filesize
92KB

Download
memory/3016-22-0x00000000001B0000-0x00000000001C7000-memory.dmp

Filesize
92KB

Download
memory/3016-0-0x0000000000A10000-0x0000000000A27000-memory.dmp

Filesize
92KB

Download
memory/3016-9-0x0000000000A10000-0x0000000000A27000-memory.dmp

Filesize
92KB

Download
memory/3060-15-0x00000000001B0000-0x00000000001C7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads