d72b0d780abe701f1e2c3a5d66767cc35572135d69a24920f3d9156728b8310e

General

Target

d72b0d780abe701f1e2c3a5d66767cc35572135d69a24920f3d9156728b8310e.exe
Size

474KB
MD5

302882f95628f80c44ad05b97aa8f334
SHA1

52b2cdd7fb0b12244de2bd1e6ad5a3b9da0536c6
SHA256

d72b0d780abe701f1e2c3a5d66767cc35572135d69a24920f3d9156728b8310e
SHA512

c3bc922da498279461beef7b4e2ddf0aa07136d76aed1dd35b77bf6fe09d7ea50b26e5c39089f46ac26224482830568d4d408eba19da8b7ce27a5b1bb1e90b49
SSDEEP

6144:/MAoVNLX+xhEGGozRcipS4mPE9SdOwp8vjDGze83iQNd9K48DmvE4VT7RmkwUysf:0AD/wTKjOqSdbp8vvQeWYWtNaUyv4Q6

Score

9^/10

Malware Config

Signatures

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral1/memory/1988-0-0x0000000000D50000-0x0000000000D68000-memory.dmp	UPX
behavioral1/files/0x0009000000015616-18.dat	UPX
behavioral1/memory/1988-15-0x0000000000D50000-0x0000000000D68000-memory.dmp	UPX
behavioral1/memory/1624-19-0x0000000000FC0000-0x0000000000FD8000-memory.dmp	UPX

Executes dropped EXE 2 IoCs

pid	Process
1960	GfLRRbnOiEanCYu.exe
1624	CTS.exe

Loads dropped DLL 2 IoCs

pid	Process
1988	d72b0d780abe701f1e2c3a5d66767cc35572135d69a24920f3d9156728b8310e.exe
1988	d72b0d780abe701f1e2c3a5d66767cc35572135d69a24920f3d9156728b8310e.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/1988-0-0x0000000000D50000-0x0000000000D68000-memory.dmp	upx
behavioral1/files/0x0009000000015616-18.dat	upx
behavioral1/memory/1988-15-0x0000000000D50000-0x0000000000D68000-memory.dmp	upx
behavioral1/memory/1624-19-0x0000000000FC0000-0x0000000000FD8000-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"	d72b0d780abe701f1e2c3a5d66767cc35572135d69a24920f3d9156728b8310e.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	d72b0d780abe701f1e2c3a5d66767cc35572135d69a24920f3d9156728b8310e.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1988	d72b0d780abe701f1e2c3a5d66767cc35572135d69a24920f3d9156728b8310e.exe
Token: SeDebugPrivilege	1624	CTS.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 1960	1988	d72b0d780abe701f1e2c3a5d66767cc35572135d69a24920f3d9156728b8310e.exe	28
PID 1988 wrote to memory of 1960	1988	d72b0d780abe701f1e2c3a5d66767cc35572135d69a24920f3d9156728b8310e.exe	28
PID 1988 wrote to memory of 1960	1988	d72b0d780abe701f1e2c3a5d66767cc35572135d69a24920f3d9156728b8310e.exe	28
PID 1988 wrote to memory of 1960	1988	d72b0d780abe701f1e2c3a5d66767cc35572135d69a24920f3d9156728b8310e.exe	28
PID 1988 wrote to memory of 1624	1988	d72b0d780abe701f1e2c3a5d66767cc35572135d69a24920f3d9156728b8310e.exe	29
PID 1988 wrote to memory of 1624	1988	d72b0d780abe701f1e2c3a5d66767cc35572135d69a24920f3d9156728b8310e.exe	29
PID 1988 wrote to memory of 1624	1988	d72b0d780abe701f1e2c3a5d66767cc35572135d69a24920f3d9156728b8310e.exe	29
PID 1988 wrote to memory of 1624	1988	d72b0d780abe701f1e2c3a5d66767cc35572135d69a24920f3d9156728b8310e.exe	29

C:\Users\Admin\AppData\Local\Temp\d72b0d780abe701f1e2c3a5d66767cc35572135d69a24920f3d9156728b8310e.exe
"C:\Users\Admin\AppData\Local\Temp\d72b0d780abe701f1e2c3a5d66767cc35572135d69a24920f3d9156728b8310e.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:1988
- C:\Users\Admin\AppData\Local\Temp\GfLRRbnOiEanCYu.exe
  C:\Users\Admin\AppData\Local\Temp\GfLRRbnOiEanCYu.exe
  2⤵
  - Executes dropped EXE
  PID:1960
- 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:1624

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
27KB

MD5
a6749b968461644db5cc0ecceffb224a

SHA1
2795aa37b8586986a34437081351cdd791749a90

SHA256
720023737d7ff700818f55612ba069a609a5ddea646bb3509b615ee3523a4ca2

SHA512
2a276816290746ed914af9cf6427aef31ce9395b8e9937090e329a8f74fb84c62d15b196e13346caa086842b3f5f549b9eb20cbf422d18c9c1b63e6342ea90b4

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

Filesize
447KB

MD5
3f461ca3e3d9da036cf1a4a06ddf4fb4

SHA1
15395e4b656cee3a708bc50c1094e3fa0c46802e

SHA256
cd8e84c1f8d1ee3a7014343e3fb236329d2b67c1ec233ea4b208d99e3f95105b

SHA512
d0cb3f56db648c9ee151990260a864cdcd0d508a1dafcd741d8b2ccd8f73ba29607f384a4e2752502419cfd4a41d2288d7c3ffec93925be85fc39dad9c01e7f5

Download Submit
memory/1624-19-0x0000000000FC0000-0x0000000000FD8000-memory.dmp

Filesize
96KB

Download
memory/1988-0-0x0000000000D50000-0x0000000000D68000-memory.dmp

Filesize
96KB

Download
memory/1988-15-0x0000000000D50000-0x0000000000D68000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads