bf4753a2df12082694dc41408bfc095710b5e98207b449a854199ae3514b4ba5

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2022 12:43

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General

Target

bf4753a2df12082694dc41408bfc095710b5e98207b449a854199ae3514b4ba5.exe
Size

70KB
MD5

41e52ba91513eb237490c7630c92e612
SHA1

8679cbdff1cff548decfaf2ffdaef574c1927f4c
SHA256

bf4753a2df12082694dc41408bfc095710b5e98207b449a854199ae3514b4ba5
SHA512

9b24a3a33d8843750b531305d53753bcaf2c68420e4adf4646ff7d0c6df773b81a232ec0b854ff124f7837d82dc96dd6afcc05404d2db141ac76f814ca8b0d6e
SSDEEP

1536:hAJDt1OeTsMN7rPbGEid2rUkv4gG/aR7ZWCywJWAtV/w:hAJDt1OGtQOGm7ZbywJWAtV/w

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 4 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Program Files (x86)\Common Files\System\mslive.exe = "C:\\Program Files (x86)\\Common Files\\System\\mslive.exe:*:Enabled:Windows Update"	mslive.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	mslive.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	mslive.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	mslive.exe

Executes dropped EXE 1 IoCs

pid	Process
5032	mslive.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Program Files (x86)\\Common Files\\System\\mslive.exe"	mslive.exe

Drops file in Program Files directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\System\mslive.exe	bf4753a2df12082694dc41408bfc095710b5e98207b449a854199ae3514b4ba5.exe
File opened for modification	C:\Program Files (x86)\Common Files\System	mslive.exe
File created	C:\Program Files (x86)\Common Files\System\mslive.exe	mslive.exe
File opened for modification	C:\Program Files (x86)\Common Files\System\mslive.exe	mslive.exe
File opened for modification	C:\Program Files (x86)\Common Files\System	bf4753a2df12082694dc41408bfc095710b5e98207b449a854199ae3514b4ba5.exe
File created	C:\Program Files (x86)\Common Files\System\mslive.exe	bf4753a2df12082694dc41408bfc095710b5e98207b449a854199ae3514b4ba5.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4948 wrote to memory of 5032	4948	bf4753a2df12082694dc41408bfc095710b5e98207b449a854199ae3514b4ba5.exe	82
PID 4948 wrote to memory of 5032	4948	bf4753a2df12082694dc41408bfc095710b5e98207b449a854199ae3514b4ba5.exe	82
PID 4948 wrote to memory of 5032	4948	bf4753a2df12082694dc41408bfc095710b5e98207b449a854199ae3514b4ba5.exe	82

C:\Users\Admin\AppData\Local\Temp\bf4753a2df12082694dc41408bfc095710b5e98207b449a854199ae3514b4ba5.exe
"C:\Users\Admin\AppData\Local\Temp\bf4753a2df12082694dc41408bfc095710b5e98207b449a854199ae3514b4ba5.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4948
- C:\Program Files (x86)\Common Files\System\mslive.exe
  "C:\Program Files (x86)\Common Files\System\mslive.exe"
  2⤵
  - Modifies firewall policy service
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Program Files directory
  PID:5032

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Common Files\System\mslive.exe

Filesize
70KB

MD5
41e52ba91513eb237490c7630c92e612

SHA1
8679cbdff1cff548decfaf2ffdaef574c1927f4c

SHA256
bf4753a2df12082694dc41408bfc095710b5e98207b449a854199ae3514b4ba5

SHA512
9b24a3a33d8843750b531305d53753bcaf2c68420e4adf4646ff7d0c6df773b81a232ec0b854ff124f7837d82dc96dd6afcc05404d2db141ac76f814ca8b0d6e

Download Submit
C:\Program Files (x86)\Common Files\System\mslive.exe

Filesize
70KB

MD5
41e52ba91513eb237490c7630c92e612

SHA1
8679cbdff1cff548decfaf2ffdaef574c1927f4c

SHA256
bf4753a2df12082694dc41408bfc095710b5e98207b449a854199ae3514b4ba5

SHA512
9b24a3a33d8843750b531305d53753bcaf2c68420e4adf4646ff7d0c6df773b81a232ec0b854ff124f7837d82dc96dd6afcc05404d2db141ac76f814ca8b0d6e

Download Submit
memory/5032-132-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads