44b958aa74e6cdd849438ff04956a94305dd611ef06353edc83f2b34f94a16e1

Analysis

max time kernel
140s
max time network
135s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
27-01-2024 07:05

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General

Target

7995c5a0129f58f87826d40dce0e7bcf.exe
Size

200KB
MD5

7995c5a0129f58f87826d40dce0e7bcf
SHA1

669d2e136a23adf09d2d42904bda5dcee19af16e
SHA256

44b958aa74e6cdd849438ff04956a94305dd611ef06353edc83f2b34f94a16e1
SHA512

3975a8a9726388b02833855b2974f6c22b32213e4437f60122b3f89c364e9da37d6c3ec5c955d777f5d955df1749c061f1bd8cddef58285590dec280f0947d3a
SSDEEP

6144:TlLq/I+mO31DBybYdTJgr9OuZjOVce3BHdmzG3W:xLqbN33RJgnRgVH4zGm

Score

8^/10

evasion persistence spyware stealer

Malware Config

Signatures

Disables taskbar notifications via registry modification
evasion

Modifies Installed Components in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

Deletes itself 1 IoCs

pid	Process
2780	ehb.exe

Executes dropped EXE 1 IoCs

pid	Process
2780	ehb.exe

Loads dropped DLL 2 IoCs

pid	Process
2316	7995c5a0129f58f87826d40dce0e7bcf.exe
2316	7995c5a0129f58f87826d40dce0e7bcf.exe

Modifies system executable filetype association 2 TTPs 17 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\shell\runas\command\ = "\"%1\" %*"	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\shell\start	ehb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\shell\start\command\ = "\"%1\" %*"	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\shell\open\command	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\shell\runas	ehb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\DefaultIcon\ = "%1"	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\shell	ehb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\ehb.exe\" -a \"%1\" %*"	ehb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\ = "Application"	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\DefaultIcon	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\shell\start\command	ehb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\shell\start\command\IsolatedCommand = "\"%1\" %*"	ehb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\Content Type = "application/x-msdownload"	ehb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\shell\runas\command\IsolatedCommand = "\"%1\" %*"	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\shell\runas\command	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\shell\open	ehb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\shell\open\command\IsolatedCommand = "\"%1\" %*"	ehb.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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\ctfmon.exe = "C:\\WINDOWS\\system32\\ctfmon.exe"	ehb.exe

Modifies registry class 41 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.exe\DefaultIcon	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.exe\shell\open	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.exe\shell\open\command	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.exe\shell\runas	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\DefaultIcon	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\shell\open	ehb.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.exe\Content Type = "application/x-msdownload"	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile	ehb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\ = "Application"	ehb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\DefaultIcon\ = "%1"	ehb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\ehb.exe\" -a \"%1\" %*"	ehb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\shell\runas\command\IsolatedCommand = "\"%1\" %*"	ehb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.exe\ = "exefile"	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.exe	ehb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.exe\shell\runas\command\ = "\"%1\" %*"	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.exe\shell\start	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.exe\shell\start\command	ehb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.exe\shell\start\command\IsolatedCommand = "\"%1\" %*"	ehb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\Content Type = "application/x-msdownload"	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\shell\open\command	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\shell\runas\command	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\shell\start	ehb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\shell\start\command\ = "\"%1\" %*"	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.exe\shell\open\command\IsolatedCommand = "\"%1\" %*"	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\shell	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\shell\runas	ehb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\shell\runas\command\ = "\"%1\" %*"	ehb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.exe\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\ehb.exe\" -a \"%1\" %*"	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.exe\shell\runas\command	ehb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.exe\shell\start\command\ = "\"%1\" %*"	ehb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\shell\open\command\IsolatedCommand = "\"%1\" %*"	ehb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\shell\start\command\IsolatedCommand = "\"%1\" %*"	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.exe\DefaultIcon\ = "%1"	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.exe\shell	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_Classes\Local Settings	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.exe\shell\runas\command\IsolatedCommand = "\"%1\" %*"	ehb.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\exefile\shell\start\command	ehb.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2316	7995c5a0129f58f87826d40dce0e7bcf.exe
2316	7995c5a0129f58f87826d40dce0e7bcf.exe
2316	7995c5a0129f58f87826d40dce0e7bcf.exe
2316	7995c5a0129f58f87826d40dce0e7bcf.exe
2316	7995c5a0129f58f87826d40dce0e7bcf.exe
2316	7995c5a0129f58f87826d40dce0e7bcf.exe
2316	7995c5a0129f58f87826d40dce0e7bcf.exe
2316	7995c5a0129f58f87826d40dce0e7bcf.exe
2316	7995c5a0129f58f87826d40dce0e7bcf.exe
2780	ehb.exe
2780	ehb.exe
2780	ehb.exe
2780	ehb.exe
2780	ehb.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2748	explorer.exe

Suspicious use of AdjustPrivilegeToken 19 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2748	explorer.exe
Token: SeShutdownPrivilege	2748	explorer.exe
Token: SeShutdownPrivilege	2748	explorer.exe
Token: SeShutdownPrivilege	2748	explorer.exe
Token: SeShutdownPrivilege	2748	explorer.exe
Token: SeShutdownPrivilege	2748	explorer.exe
Token: SeShutdownPrivilege	2748	explorer.exe
Token: SeShutdownPrivilege	2748	explorer.exe
Token: SeShutdownPrivilege	2748	explorer.exe
Token: SeShutdownPrivilege	2748	explorer.exe
Token: SeShutdownPrivilege	2748	explorer.exe
Token: SeShutdownPrivilege	2748	explorer.exe
Token: SeShutdownPrivilege	2748	explorer.exe
Token: SeShutdownPrivilege	2748	explorer.exe
Token: SeShutdownPrivilege	2748	explorer.exe
Token: SeShutdownPrivilege	2748	explorer.exe
Token: SeShutdownPrivilege	2748	explorer.exe
Token: SeShutdownPrivilege	2748	explorer.exe
Token: SeShutdownPrivilege	2748	explorer.exe

Suspicious use of FindShellTrayWindow 33 IoCs

pid	Process
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2780	ehb.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2780	ehb.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe

Suspicious use of SendNotifyMessage 19 IoCs

pid	Process
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2748	explorer.exe
2780	ehb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 2780	2316	7995c5a0129f58f87826d40dce0e7bcf.exe	28
PID 2316 wrote to memory of 2780	2316	7995c5a0129f58f87826d40dce0e7bcf.exe	28
PID 2316 wrote to memory of 2780	2316	7995c5a0129f58f87826d40dce0e7bcf.exe	28
PID 2316 wrote to memory of 2780	2316	7995c5a0129f58f87826d40dce0e7bcf.exe	28

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\7995c5a0129f58f87826d40dce0e7bcf.exe
"C:\Users\Admin\AppData\Local\Temp\7995c5a0129f58f87826d40dce0e7bcf.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Users\Admin\AppData\Local\ehb.exe
  "C:\Users\Admin\AppData\Local\ehb.exe" -gav C:\Users\Admin\AppData\Local\Temp\7995c5a0129f58f87826d40dce0e7bcf.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Adds Run key to start application
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2780

C:\Windows\explorer.exe
explorer.exe
1⤵
- Modifies Installed Components in the registry
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2748

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

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\ehb.exe

Filesize
200KB

MD5
8a1f7fe08eb09f64980661870438374e

SHA1
77f437bae9b12192bf7424135b16e4c1a0502fb1

SHA256
5668b980df547ce5c7948e676acd59431e5924cbf28175996272e5599c3dd479

SHA512
35b18587832c4cda36dbe1d02952c6ec224e1f36a138abeeda52be2621788739f607fa5c8ab36ae3e85204100e435392d0b930d07f267b4d374366cbb832de11

Download Submit
memory/2316-1-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2316-2-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/2316-4-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/2316-5-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/2316-3-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2316-7-0x0000000002340000-0x00000000025F7000-memory.dmp

Filesize
2.7MB

Download
memory/2316-16-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/2316-0-0x0000000000770000-0x0000000000771000-memory.dmp

Filesize
4KB

Download
memory/2748-24-0x0000000004440000-0x0000000004441000-memory.dmp

Filesize
4KB

Download
memory/2748-44-0x0000000003B70000-0x0000000003B80000-memory.dmp

Filesize
64KB

Download
memory/2748-30-0x0000000004440000-0x0000000004441000-memory.dmp

Filesize
4KB

Download
memory/2780-27-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/2780-32-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/2780-25-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/2780-26-0x00000000008F0000-0x00000000008F1000-memory.dmp

Filesize
4KB

Download
memory/2780-22-0x00000000008E0000-0x00000000008E1000-memory.dmp

Filesize
4KB

Download
memory/2780-28-0x0000000000900000-0x0000000000901000-memory.dmp

Filesize
4KB

Download
memory/2780-29-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/2780-21-0x00000000007E0000-0x00000000007E6000-memory.dmp

Filesize
24KB

Download
memory/2780-31-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/2780-23-0x00000000007F0000-0x00000000007F1000-memory.dmp

Filesize
4KB

Download
memory/2780-33-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/2780-37-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/2780-38-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/2780-39-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/2780-40-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/2780-41-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/2780-42-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/2780-43-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download
memory/2780-18-0x00000000009A0000-0x00000000009A1000-memory.dmp

Filesize
4KB

Download
memory/2780-45-0x0000000000400000-0x0000000000605000-memory.dmp

Filesize
2.0MB

Download