eb0c15d0a6fc28d1a7a6e558e18b731e609e520fd9122077b5dd6022133e5636

General

Target

eb0c15d0a6fc28d1a7a6e558e18b731e609e520fd9122077b5dd6022133e5636.exe
Size

81KB
MD5

36280ede77de4cbb4ed3595e28e49813
SHA1

e3ce9ada9ea1c4b53ca3858a3f71168c33622bf3
SHA256

eb0c15d0a6fc28d1a7a6e558e18b731e609e520fd9122077b5dd6022133e5636
SHA512

28a259cb2f878da8117947b63aa9517944f0660d4def559bf6307a0d04b388894407de7d60ff03df4ac9a80dca1f2923f2590c6ca499abd8e45b7c056261482e
SSDEEP

768:XUTNK2cNW0QbRsWjcd+6yBFLqJ4Z8qx70RM8/O/B2ZR1RGbLLRNeorZ9p:kzcNjQlsWjcd+xzl7SM+Gb5NeorZ9p

Score

9^/10

Malware Config

Signatures

UPX dump on OEP (original entry point) 7 IoCs

resource	yara_rule
behavioral2/memory/3868-0-0x0000000000F00000-0x0000000000F18000-memory.dmp	UPX
behavioral2/files/0x0008000000023265-6.dat	UPX
behavioral2/memory/3524-8-0x00000000000A0000-0x00000000000B8000-memory.dmp	UPX
behavioral2/memory/3868-9-0x0000000000F00000-0x0000000000F18000-memory.dmp	UPX
behavioral2/files/0x00070000000224f9-12.dat	UPX
behavioral2/files/0x000b000000023227-30.dat	UPX
behavioral2/memory/3524-33-0x00000000000A0000-0x00000000000B8000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
3524	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 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3868-0-0x0000000000F00000-0x0000000000F18000-memory.dmp	upx
behavioral2/files/0x0008000000023265-6.dat	upx
behavioral2/memory/3524-8-0x00000000000A0000-0x00000000000B8000-memory.dmp	upx
behavioral2/memory/3868-9-0x0000000000F00000-0x0000000000F18000-memory.dmp	upx
behavioral2/files/0x00070000000224f9-12.dat	upx
behavioral2/files/0x000b000000023227-30.dat	upx
behavioral2/memory/3524-33-0x00000000000A0000-0x00000000000B8000-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"	eb0c15d0a6fc28d1a7a6e558e18b731e609e520fd9122077b5dd6022133e5636.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	eb0c15d0a6fc28d1a7a6e558e18b731e609e520fd9122077b5dd6022133e5636.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3868	eb0c15d0a6fc28d1a7a6e558e18b731e609e520fd9122077b5dd6022133e5636.exe
Token: SeDebugPrivilege	3524	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3868 wrote to memory of 3524	3868	eb0c15d0a6fc28d1a7a6e558e18b731e609e520fd9122077b5dd6022133e5636.exe	89
PID 3868 wrote to memory of 3524	3868	eb0c15d0a6fc28d1a7a6e558e18b731e609e520fd9122077b5dd6022133e5636.exe	89
PID 3868 wrote to memory of 3524	3868	eb0c15d0a6fc28d1a7a6e558e18b731e609e520fd9122077b5dd6022133e5636.exe	89

C:\Users\Admin\AppData\Local\Temp\eb0c15d0a6fc28d1a7a6e558e18b731e609e520fd9122077b5dd6022133e5636.exe
"C:\Users\Admin\AppData\Local\Temp\eb0c15d0a6fc28d1a7a6e558e18b731e609e520fd9122077b5dd6022133e5636.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3868
- 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:3524

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=4128 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
1⤵
PID:2824

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
798KB

MD5
cb60fb2e7bf214e5dae340f50c27c0d3

SHA1
dd46ebeebea4a8d700d8afb35ce6a42635558dff

SHA256
699f25ae420b2370095f19bc23e236de6c48da49b4870d7d82b7811601f710fa

SHA512
1cf9313c77d7142e6cb7c93a465a1c4a192a201aec128bf079c63288fe75099aaf251d2501593362b9b3b46e45264fc76dd785a2e4db734b8aa4c4d7dc84a79b

Download Submit
C:\Users\Admin\AppData\Local\Temp\XkyJrwvXgVr9y4F.exe

Filesize
81KB

MD5
f9346aa9e9d70b7fb2902de4dc5dd3f3

SHA1
e98e66ed5b7e54d1ac1569f1b91dfd3da4cfbf42

SHA256
369dbc58aaac524c51b90cd6878e21ff1a4c9d180bd1b313c5e593973c951762

SHA512
f8bca6e673a23a31a6244d19cbeaff1a832bb2b504db577f9698329f08516e0e3ac2de3ef97a10f9f4b30cd5bd4a3d5915fbbe19880e4ae7dc1410ec3ff1e00a

Download Submit
C:\Windows\CTS.exe

Filesize
80KB

MD5
b596af3e5821c709a22c661155600a7e

SHA1
9c1563c6c6374f63d8cf92098a5780d614ff7759

SHA256
62ca133a4dac1f07c692b02092b18fa72fffb435be0e52a89e4e4f22c9f53624

SHA512
ddbe2fcad0ace16e2c92a4ca3e499c1639bbc6b40bf8c9549cad133ef7e1f6431ea90f7be27cf7de393328564715ec38e2a829adc7e7b64d69aa90eed99e9baf

Download Submit
memory/3524-8-0x00000000000A0000-0x00000000000B8000-memory.dmp

Filesize
96KB

Download
memory/3524-33-0x00000000000A0000-0x00000000000B8000-memory.dmp

Filesize
96KB

Download
memory/3868-0-0x0000000000F00000-0x0000000000F18000-memory.dmp

Filesize
96KB

Download
memory/3868-9-0x0000000000F00000-0x0000000000F18000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads