50bb1491487a8a7757e5cdb14d2f201f2b60f4da6512f2307aaaac7698fc8157

Analysis

max time kernel
149s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 22:50

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General

Target

50bb1491487a8a7757e5cdb14d2f201f2b60f4da6512f2307aaaac7698fc8157.exe
Size

85KB
MD5

0a4ebc4df890bf99d687dafb729bade0
SHA1

6047867c4e38209d012e2f5fda08b567a0501532
SHA256

50bb1491487a8a7757e5cdb14d2f201f2b60f4da6512f2307aaaac7698fc8157
SHA512

3a8bfb55a30109633e3e04911bc42c577598ab00b642481ad602e3a1a65c097d9db54f0fa638302d9d3a727dee996f55f8d15ba62535dd06df91bf533f1e8c62
SSDEEP

1536:/Ao0+j2d6rnJqlIUSJn3m2GnNCyuaMeFg8kVQ+SvMupWsZZZNF01Lryhv1g1s1Ej:/AoVl4lXin3m2GnNCyuaMeFg8kVQ+Svg

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

microsofthelp.exe

pid process

2880 microsofthelp.exe
Executes dropped EXE 1 IoCs

Processes:

microsofthelp.exe

pid process

2880 microsofthelp.exe

pid	process
2880	microsofthelp.exe

pid	process
2880	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

50bb1491487a8a7757e5cdb14d2f201f2b60f4da6512f2307aaaac7698fc8157.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	50bb1491487a8a7757e5cdb14d2f201f2b60f4da6512f2307aaaac7698fc8157.exe

Drops file in Windows directory 2 IoCs

Processes:

50bb1491487a8a7757e5cdb14d2f201f2b60f4da6512f2307aaaac7698fc8157.exemicrosofthelp.exe

description	ioc	process
File created	C:\Windows\microsofthelp.exe	50bb1491487a8a7757e5cdb14d2f201f2b60f4da6512f2307aaaac7698fc8157.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

50bb1491487a8a7757e5cdb14d2f201f2b60f4da6512f2307aaaac7698fc8157.exe

description	pid	process	target process
PID 2832 wrote to memory of 2880	2832	50bb1491487a8a7757e5cdb14d2f201f2b60f4da6512f2307aaaac7698fc8157.exe	microsofthelp.exe
PID 2832 wrote to memory of 2880	2832	50bb1491487a8a7757e5cdb14d2f201f2b60f4da6512f2307aaaac7698fc8157.exe	microsofthelp.exe
PID 2832 wrote to memory of 2880	2832	50bb1491487a8a7757e5cdb14d2f201f2b60f4da6512f2307aaaac7698fc8157.exe	microsofthelp.exe
PID 2832 wrote to memory of 2880	2832	50bb1491487a8a7757e5cdb14d2f201f2b60f4da6512f2307aaaac7698fc8157.exe	microsofthelp.exe

C:\Users\Admin\AppData\Local\Temp\50bb1491487a8a7757e5cdb14d2f201f2b60f4da6512f2307aaaac7698fc8157.exe
"C:\Users\Admin\AppData\Local\Temp\50bb1491487a8a7757e5cdb14d2f201f2b60f4da6512f2307aaaac7698fc8157.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2832

C:\Windows\microsofthelp.exe
"C:\Windows\microsofthelp.exe"
2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
PID:2880

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

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\microsofthelp.exe

Filesize
86KB

MD5
9f15469fdb8c0f1b008d963534d61018

SHA1
8c1c8ffa059425a2cfbe6795876f978e1fa0d0ee

SHA256
74145b5774b13d54248d1959009f24bbed7a5344205e1e4b408a8cef30f3631b

SHA512
59c8179d9325d0603631b6b8c18d3130d0619b811f404113c69eb061ae34ea433a51936219857c6d4fa9e47109d140f069888bfe6993484057e901bca7d8aa9b

Download Submit
memory/2832-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2832-3-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2832-7-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2880-9-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download