07fa7d9d94e5f0a52b4e7909026e28f3dd08bf848d13d40d74cc5c65ed2957c9

General

Target

51b31400194eb1f4e0abb841842e79cb.exe
Size

108KB
MD5

51b31400194eb1f4e0abb841842e79cb
SHA1

5a4ad59a0dfc0d29aa7874df6a0bfeb28ea7d4d0
SHA256

07fa7d9d94e5f0a52b4e7909026e28f3dd08bf848d13d40d74cc5c65ed2957c9
SHA512

190fe79d2acf333af89b08ca76e335ecae92eafe8134445afd3f7ad15fd23598275044ca626a6f421abeff1ed9ac0f4bb6853a84a1b324847853d1422bba93be
SSDEEP

3072:SKcWmjRrz3LGVgpRBDiQShYNpwzijdI/XowBu:hG9p7DiU76geu

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2584	oKHmZve8i4J3t3V.exe
2432	CTS.exe

Loads dropped DLL 1 IoCs

pid	Process
1700	51b31400194eb1f4e0abb841842e79cb.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
behavioral1/memory/1700-1-0x0000000000050000-0x0000000000067000-memory.dmp	upx
behavioral1/files/0x0009000000012270-13.dat	upx
behavioral1/memory/1700-11-0x0000000000050000-0x0000000000067000-memory.dmp	upx
behavioral1/memory/2432-16-0x0000000001220000-0x0000000001237000-memory.dmp	upx
behavioral1/files/0x000a000000012262-18.dat	upx
behavioral1/memory/1700-22-0x0000000000090000-0x00000000000A7000-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"	51b31400194eb1f4e0abb841842e79cb.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	51b31400194eb1f4e0abb841842e79cb.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1700	51b31400194eb1f4e0abb841842e79cb.exe
Token: SeDebugPrivilege	2432	CTS.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 2584	1700	51b31400194eb1f4e0abb841842e79cb.exe	28
PID 1700 wrote to memory of 2584	1700	51b31400194eb1f4e0abb841842e79cb.exe	28
PID 1700 wrote to memory of 2584	1700	51b31400194eb1f4e0abb841842e79cb.exe	28
PID 1700 wrote to memory of 2584	1700	51b31400194eb1f4e0abb841842e79cb.exe	28
PID 1700 wrote to memory of 2432	1700	51b31400194eb1f4e0abb841842e79cb.exe	29
PID 1700 wrote to memory of 2432	1700	51b31400194eb1f4e0abb841842e79cb.exe	29
PID 1700 wrote to memory of 2432	1700	51b31400194eb1f4e0abb841842e79cb.exe	29
PID 1700 wrote to memory of 2432	1700	51b31400194eb1f4e0abb841842e79cb.exe	29

C:\Users\Admin\AppData\Local\Temp\51b31400194eb1f4e0abb841842e79cb.exe
"C:\Users\Admin\AppData\Local\Temp\51b31400194eb1f4e0abb841842e79cb.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:1700
- C:\Users\Admin\AppData\Local\Temp\oKHmZve8i4J3t3V.exe
  C:\Users\Admin\AppData\Local\Temp\oKHmZve8i4J3t3V.exe
  2⤵
  - Executes dropped EXE
  PID:2584
- 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:2432

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\oKHmZve8i4J3t3V.exe

Filesize
108KB

MD5
9696313b133b34148d3561ebfef0eb1e

SHA1
9788ffe047724ec01e38b09c4c678fe053d738ab

SHA256
7322cd347bc7e01f38f5015beed6adc1d0adda4ec93b50069ef52c74daa54e60

SHA512
dc80b22a7be4b0dfb195158ad1b1e7f4ded3471752a8e4f08855135f7142d7d32fec3899828f942c5f0c84fe0d230cbf681704a8360ed46b705eb278f66641b2

Download Submit
C:\Users\Admin\AppData\Local\Temp\oKHmZve8i4J3t3V.exe

Filesize
79KB

MD5
0d72d43513b4d4f54976f48665f9ee9b

SHA1
e508d2503919966189a7b689cef0c11f3ac1294f

SHA256
dc5d8756996a72b063ae7a8bd424fda2cb1ad456fdac8c79e4ef5245ff3667d8

SHA512
859d27909e0c8a50f1d4f6f297f2203dac9801b1ba5f4612f68b6665a9179b05578849ee2cb445a76ce484bd450ed922e736b251d5798b3502d2aa13d5e56d22

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/1700-1-0x0000000000050000-0x0000000000067000-memory.dmp

Filesize
92KB

Download
memory/1700-11-0x0000000000050000-0x0000000000067000-memory.dmp

Filesize
92KB

Download
memory/1700-12-0x0000000000090000-0x00000000000A7000-memory.dmp

Filesize
92KB

Download
memory/1700-15-0x0000000000090000-0x00000000000A7000-memory.dmp

Filesize
92KB

Download
memory/1700-22-0x0000000000090000-0x00000000000A7000-memory.dmp

Filesize
92KB

Download
memory/2432-16-0x0000000001220000-0x0000000001237000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads