8e52ba7440f011237baf21e72d9f1959745191ebbf0cd71a4f0132ab8348a7ed

Analysis

max time kernel
224s
max time network
402s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
26-11-2022 01:57

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General

Target

HearthBuddy/Hearthbuddy.exe
Size

3.3MB
MD5

f10291b67a9e78f7c6c9973d02b4ad15
SHA1

4c7c211e9c42670f284c41c32ffcedd6fe339333
SHA256

baab5119e0cac9ee963ce11f376d9238ea51861e18c4f36891b42c1531c7b12d
SHA512

f1ae3f314295622588bea1cdab8537e33867a5d020a125a8c14909b92c7a5c5a4fb876bba54028901080b6ea90f80462057316738429dd1800b9f25664af758c
SSDEEP

98304:iPVSBkrJEvbMGjd7pL30IITl3OmPQYvnR:iPfrJEDjd7pgfe1YvR

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
316	chrome.exe
1684	Hearthbuddy.exe

Loads dropped DLL 2 IoCs

pid	Process
268	Hearthbuddy.exe
268	Hearthbuddy.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	Hearthbuddy.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\OOAGLLFKEBPKCHJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome.exe"	Hearthbuddy.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1848	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
316	chrome.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	316	chrome.exe
Token: SeDebugPrivilege	1684	Hearthbuddy.exe
Token: 33	1684	Hearthbuddy.exe
Token: SeIncBasePriorityPrivilege	1684	Hearthbuddy.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 268 wrote to memory of 316	268	Hearthbuddy.exe	27
PID 268 wrote to memory of 316	268	Hearthbuddy.exe	27
PID 268 wrote to memory of 316	268	Hearthbuddy.exe	27
PID 268 wrote to memory of 316	268	Hearthbuddy.exe	27
PID 268 wrote to memory of 1684	268	Hearthbuddy.exe	28
PID 268 wrote to memory of 1684	268	Hearthbuddy.exe	28
PID 268 wrote to memory of 1684	268	Hearthbuddy.exe	28
PID 268 wrote to memory of 1684	268	Hearthbuddy.exe	28
PID 268 wrote to memory of 1372	268	Hearthbuddy.exe	29
PID 268 wrote to memory of 1372	268	Hearthbuddy.exe	29
PID 268 wrote to memory of 1372	268	Hearthbuddy.exe	29
PID 268 wrote to memory of 1372	268	Hearthbuddy.exe	29
PID 1372 wrote to memory of 1848	1372	cmd.exe	31
PID 1372 wrote to memory of 1848	1372	cmd.exe	31
PID 1372 wrote to memory of 1848	1372	cmd.exe	31
PID 1372 wrote to memory of 1848	1372	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\HearthBuddy\Hearthbuddy.exe
"C:\Users\Admin\AppData\Local\Temp\HearthBuddy\Hearthbuddy.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:268
- C:\Users\Admin\AppData\Local\Temp\chrome.exe
  "C:\Users\Admin\AppData\Local\Temp\chrome.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:316
- C:\Users\Admin\AppData\Local\Temp\Hearthbuddy.exe
  "C:\Users\Admin\AppData\Local\Temp\Hearthbuddy.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1684
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c ping -n 3 127.0.0.1 & copy /Y "C:\Users\Admin\AppData\Local\Temp\Hearthbuddy.exe" "C:\Users\Admin\AppData\Local\Temp\HearthBuddy\Hearthbuddy.exe" >> NUL
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1372
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:1848

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Hearthbuddy.exe

Filesize
4.4MB

MD5
e0fa586a9e196b8d441e4e8cfd36f548

SHA1
e86690cb640f926ffe9013707daa034acd42255b

SHA256
46e88216f30113764e2dd92a69f98d447f67ca7c346c18876bfc29282f2c4890

SHA512
3288a55900ba5ba874982837cee99cb556504f2f66afc49ebef715a2461e32bf4e6c6cb01b727edbfa8b8b5a5d2433e102866c5e30fcf8c6c3f83c14c589e7ca

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

Filesize
4.4MB

MD5
e0fa586a9e196b8d441e4e8cfd36f548

SHA1
e86690cb640f926ffe9013707daa034acd42255b

SHA256
46e88216f30113764e2dd92a69f98d447f67ca7c346c18876bfc29282f2c4890

SHA512
3288a55900ba5ba874982837cee99cb556504f2f66afc49ebef715a2461e32bf4e6c6cb01b727edbfa8b8b5a5d2433e102866c5e30fcf8c6c3f83c14c589e7ca

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

Filesize
595KB

MD5
6804a6d01f8159abb90a036a84881750

SHA1
ae991824db598522b1a5a9dcaa370cf09e932fac

SHA256
18876a8f91847c323231554df10111091ed09ffd700900c448c85be3ad36afc1

SHA512
631e859e65051a132521a56aeb4ae6701876039c0cc66ccec5e12bd85be4f9022ec26a2075763ad8258a09314ee36546c3d2b7c917775e83cc5ca50800fb616f

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

Filesize
595KB

MD5
6804a6d01f8159abb90a036a84881750

SHA1
ae991824db598522b1a5a9dcaa370cf09e932fac

SHA256
18876a8f91847c323231554df10111091ed09ffd700900c448c85be3ad36afc1

SHA512
631e859e65051a132521a56aeb4ae6701876039c0cc66ccec5e12bd85be4f9022ec26a2075763ad8258a09314ee36546c3d2b7c917775e83cc5ca50800fb616f

Download Submit
\Users\Admin\AppData\Local\Temp\Hearthbuddy.exe

Filesize
4.4MB

MD5
e0fa586a9e196b8d441e4e8cfd36f548

SHA1
e86690cb640f926ffe9013707daa034acd42255b

SHA256
46e88216f30113764e2dd92a69f98d447f67ca7c346c18876bfc29282f2c4890

SHA512
3288a55900ba5ba874982837cee99cb556504f2f66afc49ebef715a2461e32bf4e6c6cb01b727edbfa8b8b5a5d2433e102866c5e30fcf8c6c3f83c14c589e7ca

Download Submit
\Users\Admin\AppData\Local\Temp\chrome.exe

Filesize
595KB

MD5
6804a6d01f8159abb90a036a84881750

SHA1
ae991824db598522b1a5a9dcaa370cf09e932fac

SHA256
18876a8f91847c323231554df10111091ed09ffd700900c448c85be3ad36afc1

SHA512
631e859e65051a132521a56aeb4ae6701876039c0cc66ccec5e12bd85be4f9022ec26a2075763ad8258a09314ee36546c3d2b7c917775e83cc5ca50800fb616f

Download Submit
memory/268-54-0x0000000075551000-0x0000000075553000-memory.dmp

Filesize
8KB

Download
memory/316-65-0x0000000001270000-0x000000000130A000-memory.dmp

Filesize
616KB

Download
memory/316-56-0x0000000000000000-mapping.dmp

Download
memory/1372-63-0x0000000000000000-mapping.dmp

Download
memory/1684-70-0x00000000009A0000-0x00000000009AA000-memory.dmp

Filesize
40KB

Download
memory/1684-66-0x0000000000290000-0x0000000000704000-memory.dmp

Filesize
4.5MB

Download
memory/1684-68-0x0000000004A80000-0x0000000004B64000-memory.dmp

Filesize
912KB

Download
memory/1684-69-0x00000000009A0000-0x00000000009AA000-memory.dmp

Filesize
40KB

Download
memory/1684-60-0x0000000000000000-mapping.dmp

Download
memory/1684-71-0x0000000004935000-0x0000000004946000-memory.dmp

Filesize
68KB

Download
memory/1684-73-0x00000000009A0000-0x00000000009AA000-memory.dmp

Filesize
40KB

Download
memory/1684-72-0x00000000009A0000-0x00000000009AA000-memory.dmp

Filesize
40KB

Download
memory/1684-74-0x0000000004935000-0x0000000004946000-memory.dmp

Filesize
68KB

Download
memory/1848-64-0x0000000000000000-mapping.dmp

Download