4c6cb75b1fe0608762b94b6a6abb1a0f042dd357757c807b3ee0a4533c9432e9

General

Target

c12e292b00e214bd2ab29ce0a679eebd.exe
Size

91KB
MD5

c12e292b00e214bd2ab29ce0a679eebd
SHA1

2f1bab59a1b89bb042c5078b5aabef9c33d50bf0
SHA256

4c6cb75b1fe0608762b94b6a6abb1a0f042dd357757c807b3ee0a4533c9432e9
SHA512

1e02d92b7ed3e9a78bb44f8724d52e8220eddc794c707c525f52678d2874e018f311cf1d2619955edca1343fa8662e3f9f83369c87cbd9c34f287979ed60a12f
SSDEEP

1536:s9Z3KcR4mjD9r8226+as8EO7tLZEH4e2CEmA/36/EHsDfuod5OBusndd0WC:sr3KcWmjRrzSO77tc4/Co/KcHsDmoguV

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1600	VDqKAwNvO2DdrmA.exe
4532	CTS.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/4584-0-0x00000000009D0000-0x00000000009E7000-memory.dmp	upx
behavioral2/files/0x0008000000023218-6.dat	upx
behavioral2/memory/4532-7-0x0000000000180000-0x0000000000197000-memory.dmp	upx
behavioral2/memory/4584-8-0x00000000009D0000-0x00000000009E7000-memory.dmp	upx
behavioral2/files/0x0007000000022ce0-13.dat	upx
behavioral2/memory/4532-41-0x0000000000180000-0x0000000000197000-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"	c12e292b00e214bd2ab29ce0a679eebd.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	c12e292b00e214bd2ab29ce0a679eebd.exe
File created	C:\Windows\CTS.exe	CTS.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4584	c12e292b00e214bd2ab29ce0a679eebd.exe
Token: SeDebugPrivilege	4532	CTS.exe
Token: SeBackupPrivilege	1044	dw20.exe
Token: SeBackupPrivilege	1044	dw20.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4584 wrote to memory of 1600	4584	c12e292b00e214bd2ab29ce0a679eebd.exe	88
PID 4584 wrote to memory of 1600	4584	c12e292b00e214bd2ab29ce0a679eebd.exe	88
PID 4584 wrote to memory of 4532	4584	c12e292b00e214bd2ab29ce0a679eebd.exe	90
PID 4584 wrote to memory of 4532	4584	c12e292b00e214bd2ab29ce0a679eebd.exe	90
PID 4584 wrote to memory of 4532	4584	c12e292b00e214bd2ab29ce0a679eebd.exe	90
PID 1600 wrote to memory of 1044	1600	VDqKAwNvO2DdrmA.exe	94
PID 1600 wrote to memory of 1044	1600	VDqKAwNvO2DdrmA.exe	94

C:\Users\Admin\AppData\Local\Temp\c12e292b00e214bd2ab29ce0a679eebd.exe
"C:\Users\Admin\AppData\Local\Temp\c12e292b00e214bd2ab29ce0a679eebd.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4584
- C:\Users\Admin\AppData\Local\Temp\VDqKAwNvO2DdrmA.exe
  C:\Users\Admin\AppData\Local\Temp\VDqKAwNvO2DdrmA.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1600
- - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
    dw20.exe -x -s 804
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:1044
- 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:4532

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

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
358KB

MD5
93170a49793511db66ff36333cfee5d1

SHA1
ddd35649ca71fa5d77c1a0c9bd49c26b85e6c6f3

SHA256
8af926df434eb7f68ff61051873b7d57bcd3dea8441c5a1ccef6c068e006a68c

SHA512
e9dc9c8ab1f1fea14e30df15d0b620a519fd932307d35a1d7c4cdd2b2f8b1e3b90c124eb7c58cd9809430ee53db048c76df6ea5ad3a412b71ba7aa7777a4c2c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\VDqKAwNvO2DdrmA.exe

Filesize
56KB

MD5
e115521ba14b75f53dcdff087ec6898f

SHA1
87103a892bb514a93d485fba221bacb9da3aae25

SHA256
59b284d0ad4c2634938e70fae67d9048bd98422d052fbd745a9b80b5fae7ae29

SHA512
ab3d097bcf11bf7327a28124052b210f5fb13b9bfb9b7376cae1ba5c30182a330506935288a7fe06b7e3fdd82b57f5c31638f1c301738342819c772b346fa35a

Download Submit
C:\Windows\CTS.exe

Filesize
35KB

MD5
93e5f18caebd8d4a2c893e40e5f38232

SHA1
fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

SHA256
a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

SHA512
986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

Download Submit
memory/1600-25-0x00007FFA38930000-0x00007FFA392D1000-memory.dmp

Filesize
9.6MB

Download
memory/1600-27-0x0000000001130000-0x0000000001140000-memory.dmp

Filesize
64KB

Download
memory/1600-29-0x00007FFA38930000-0x00007FFA392D1000-memory.dmp

Filesize
9.6MB

Download
memory/1600-36-0x00007FFA38930000-0x00007FFA392D1000-memory.dmp

Filesize
9.6MB

Download
memory/4532-7-0x0000000000180000-0x0000000000197000-memory.dmp

Filesize
92KB

Download
memory/4532-41-0x0000000000180000-0x0000000000197000-memory.dmp

Filesize
92KB

Download
memory/4584-0-0x00000000009D0000-0x00000000009E7000-memory.dmp

Filesize
92KB

Download
memory/4584-8-0x00000000009D0000-0x00000000009E7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads