7207915491d03bed9dfa573a736534cb92f769427fafc96bb7048a2af0142daa

Analysis

max time kernel
157s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19/03/2024, 23:52

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General

Target

d76471997f865417e58735c4a3745305.exe
Size

33KB
MD5

d76471997f865417e58735c4a3745305
SHA1

1157c70ffb77a0aa59615b7b062a01e32ef32bb2
SHA256

7207915491d03bed9dfa573a736534cb92f769427fafc96bb7048a2af0142daa
SHA512

3efe69fe2b8fcc6ec0a0db8e92387929ab78e48fbd1061c25c03c6f051261c9fd8373b52df129cdad1aec28663bb4fe7f3f79ce5c7edc526c86e33b672628db0
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFljGudUvO:SKcR4mjD9r823FzdSO

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1180	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 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3540-0-0x0000000000A30000-0x0000000000A47000-memory.dmp	upx
behavioral2/memory/3540-3-0x0000000000A30000-0x0000000000A47000-memory.dmp	upx
behavioral2/files/0x0007000000023268-7.dat	upx
behavioral2/memory/1180-8-0x0000000000E80000-0x0000000000E97000-memory.dmp	upx
behavioral2/memory/3540-10-0x0000000000A30000-0x0000000000A47000-memory.dmp	upx
behavioral2/files/0x00070000000224f9-13.dat	upx
behavioral2/memory/1180-30-0x0000000000E80000-0x0000000000E97000-memory.dmp	upx
behavioral2/files/0x0008000000023265-32.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"	d76471997f865417e58735c4a3745305.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	d76471997f865417e58735c4a3745305.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3540	d76471997f865417e58735c4a3745305.exe
Token: SeDebugPrivilege	1180	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3540 wrote to memory of 1180	3540	d76471997f865417e58735c4a3745305.exe	97
PID 3540 wrote to memory of 1180	3540	d76471997f865417e58735c4a3745305.exe	97
PID 3540 wrote to memory of 1180	3540	d76471997f865417e58735c4a3745305.exe	97

C:\Users\Admin\AppData\Local\Temp\d76471997f865417e58735c4a3745305.exe
"C:\Users\Admin\AppData\Local\Temp\d76471997f865417e58735c4a3745305.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3540
- 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:1180

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=3804 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
1⤵
PID:4508

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

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
c6747a4b29608e0b030772dd7d885f0d

SHA1
e281e744f7e0b29783a8344dadb40107643f7144

SHA256
39ea44e9de87d6328ff27046d5adb4c32cf7456e1da615d313d747a157871e28

SHA512
5b34c047200b84b310e153eda0c807f00da5c0a75366eebadfb0fa5728367db622803666c7fa9abce076585f583880d0b46d194ff0f07df24ed6595edaaa5935

Download Submit
C:\Users\Admin\AppData\Local\Temp\iyh4VJGxAMzbfHP.exe

Filesize
33KB

MD5
04362715f48b6608ba8e1dd2c033fa9f

SHA1
03175e6c172f444992abb2d9c5cf27125f91bdb8

SHA256
1e25d24bd06828657cc20da6b1d8906768f36a1dc64bb62f39830410c80b360a

SHA512
3cf46d4f8df7be831a71efdfe2ced8f69d6edd2e8af832f0e12a2aaec3f6ca21eaa685be2b93a981b601947fb8ef157326bd4c26a26e7e0773af0a72ba5c2072

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/1180-8-0x0000000000E80000-0x0000000000E97000-memory.dmp

Filesize
92KB

Download
memory/1180-30-0x0000000000E80000-0x0000000000E97000-memory.dmp

Filesize
92KB

Download
memory/3540-0-0x0000000000A30000-0x0000000000A47000-memory.dmp

Filesize
92KB

Download
memory/3540-3-0x0000000000A30000-0x0000000000A47000-memory.dmp

Filesize
92KB

Download
memory/3540-10-0x0000000000A30000-0x0000000000A47000-memory.dmp

Filesize
92KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads