307c8565ea1ee6eff535251d658b3065ec419ea3978a699d1610bcb3f06b0822

General

Target

d3d5dd2bd6bb0abcc031d5726c8c2850.exe
Size

221KB
MD5

d3d5dd2bd6bb0abcc031d5726c8c2850
SHA1

8850f10dd878a5910c217c75b455112d15756e49
SHA256

307c8565ea1ee6eff535251d658b3065ec419ea3978a699d1610bcb3f06b0822
SHA512

2d46107e85099f1807100351f409c9b9e1f437cb082dffbf8f72ffa33ee263e7c1175baea6d7ff7230bfb09c3c5025e31cbd0e824b25d3694d369b66c9d607cd
SSDEEP

6144:hGcsB163lte0rLwzF5dgSbYErAlFH1zkpXn:hj66bO56SbYE2HROXn

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
220	XXbXaG4PsEbAYfN.exe
3960	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 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4764-0-0x0000000000110000-0x0000000000127000-memory.dmp	upx
behavioral2/files/0x000800000002324f-9.dat	upx
behavioral2/memory/3960-10-0x00000000005C0000-0x00000000005D7000-memory.dmp	upx
behavioral2/memory/4764-8-0x0000000000110000-0x0000000000127000-memory.dmp	upx
behavioral2/files/0x00070000000224f9-13.dat	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"	d3d5dd2bd6bb0abcc031d5726c8c2850.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	CTS.exe
File created	C:\Windows\CTS.exe	d3d5dd2bd6bb0abcc031d5726c8c2850.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4764	d3d5dd2bd6bb0abcc031d5726c8c2850.exe
Token: SeDebugPrivilege	3960	CTS.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4764 wrote to memory of 220	4764	d3d5dd2bd6bb0abcc031d5726c8c2850.exe	94
PID 4764 wrote to memory of 220	4764	d3d5dd2bd6bb0abcc031d5726c8c2850.exe	94
PID 4764 wrote to memory of 220	4764	d3d5dd2bd6bb0abcc031d5726c8c2850.exe	94
PID 4764 wrote to memory of 3960	4764	d3d5dd2bd6bb0abcc031d5726c8c2850.exe	95
PID 4764 wrote to memory of 3960	4764	d3d5dd2bd6bb0abcc031d5726c8c2850.exe	95
PID 4764 wrote to memory of 3960	4764	d3d5dd2bd6bb0abcc031d5726c8c2850.exe	95

C:\Users\Admin\AppData\Local\Temp\d3d5dd2bd6bb0abcc031d5726c8c2850.exe
"C:\Users\Admin\AppData\Local\Temp\d3d5dd2bd6bb0abcc031d5726c8c2850.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4764
- C:\Users\Admin\AppData\Local\Temp\XXbXaG4PsEbAYfN.exe
  C:\Users\Admin\AppData\Local\Temp\XXbXaG4PsEbAYfN.exe
  2⤵
  - Executes dropped EXE
  PID:220
- 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:3960

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=5096 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
1⤵
PID:436

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\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
747KB

MD5
b8dea67f80975433afd3e2967d0f18dd

SHA1
d46c71dc33e0cbaecf1d83bb3dc7e0a92efaf196

SHA256
3d0306cea5f9190954bd5eaa0b543f8699a0b8106f1c50fcba18b4263886d723

SHA512
d3ea773ae2cf4a7d353aad7f2cec1eb1d335500c752bc57c805c5bacd90db6d638a5cf962cb8dc25d968e473a899d3bb4fb03c47196d6c3e6c45d5162d977562

Download Submit
C:\Users\Admin\AppData\Local\Temp\XXbXaG4PsEbAYfN.exe

Filesize
191KB

MD5
94a363cd532d88ac33997c25657a19b5

SHA1
a98f1a8361d0183651c0ef457b9ac4339e429bea

SHA256
13b98844b2fa4a39a4d8ebb414fc79450d5ab4f0c8f5141ac06d40b2a0431ea4

SHA512
3b1c87a67f63e4276453ec1e322f0c13896dd0524ef35f4e4037a481ce354feaa98440f85b784c0b90a900c59ef115654f687457180ea433ea0100427f5c26f5

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/3960-10-0x00000000005C0000-0x00000000005D7000-memory.dmp

Filesize
92KB

Download
memory/4764-0-0x0000000000110000-0x0000000000127000-memory.dmp

Filesize
92KB

Download
memory/4764-8-0x0000000000110000-0x0000000000127000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads