c9517c51aa5a1d45780f8da2a4b3396f07a0979031f8ce834f0329877d0c04f5

Analysis

max time kernel
151s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2024, 03:36

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General

Target

526d7951a97374ff8c718d82e501093e.exe
Size

17KB
MD5

526d7951a97374ff8c718d82e501093e
SHA1

1789d5d0beb35df4b1c87d6c071467455da9a439
SHA256

c9517c51aa5a1d45780f8da2a4b3396f07a0979031f8ce834f0329877d0c04f5
SHA512

eb7debea038e7fe2f9c523e58205a504f4bb3176c737122aec7b497d0af66a85615f9051f15f233de2766335c9bea601630d7d79c552806fae24c2d59ed4d588
SSDEEP

384:I5iFBXU63ba0n7PmpIfRRb0Gn1aNJawcudoD7UMxS:PBXUCa0HOnbcuyD7UMQ

Score

8^/10

evasion persistence

Malware Config

Signatures

Stops running service(s) 3 TTPs
evasion

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation	526d7951a97374ff8c718d82e501093e.exe

Executes dropped EXE 1 IoCs

pid	Process
3632	coiome.exe

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\safe360 = "C:\\Program Files\\Common Files\\sfbsbvx\\coiome.exe"	mshta.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Common Files\sfbsbvx\coiome.exe	526d7951a97374ff8c718d82e501093e.exe
File opened for modification	C:\Program Files (x86)\Common Files\sfbsbvx\coiome.exe	526d7951a97374ff8c718d82e501093e.exe
File opened for modification	C:\Program Files (x86)\Common Files\sfbsbvx	coiome.exe
File opened for modification	C:\Program Files (x86)\Common Files\sfbsbvx	526d7951a97374ff8c718d82e501093e.exe
File created	C:\Program Files (x86)\JUV.hta	526d7951a97374ff8c718d82e501093e.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
3612	sc.exe

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
4968	taskkill.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Search Page = "http://www.52cailing.com"	mshta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\default_page_url = "http://www.52cailing.com"	mshta.exe

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://www.52cailing.com"	mshta.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000_Classes\Local Settings	526d7951a97374ff8c718d82e501093e.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4024	526d7951a97374ff8c718d82e501093e.exe
Token: SeDebugPrivilege	4968	taskkill.exe
Token: SeDebugPrivilege	3632	coiome.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 4024 wrote to memory of 2180	4024	526d7951a97374ff8c718d82e501093e.exe	88
PID 4024 wrote to memory of 2180	4024	526d7951a97374ff8c718d82e501093e.exe	88
PID 4024 wrote to memory of 2180	4024	526d7951a97374ff8c718d82e501093e.exe	88
PID 4024 wrote to memory of 3268	4024	526d7951a97374ff8c718d82e501093e.exe	91
PID 4024 wrote to memory of 3268	4024	526d7951a97374ff8c718d82e501093e.exe	91
PID 4024 wrote to memory of 3268	4024	526d7951a97374ff8c718d82e501093e.exe	91
PID 3268 wrote to memory of 4968	3268	cmd.exe	93
PID 3268 wrote to memory of 4968	3268	cmd.exe	93
PID 3268 wrote to memory of 4968	3268	cmd.exe	93
PID 4024 wrote to memory of 3632	4024	526d7951a97374ff8c718d82e501093e.exe	101
PID 4024 wrote to memory of 3632	4024	526d7951a97374ff8c718d82e501093e.exe	101
PID 4024 wrote to memory of 3632	4024	526d7951a97374ff8c718d82e501093e.exe	101
PID 4024 wrote to memory of 3100	4024	526d7951a97374ff8c718d82e501093e.exe	103
PID 4024 wrote to memory of 3100	4024	526d7951a97374ff8c718d82e501093e.exe	103
PID 4024 wrote to memory of 3100	4024	526d7951a97374ff8c718d82e501093e.exe	103
PID 3632 wrote to memory of 3672	3632	coiome.exe	107
PID 3632 wrote to memory of 3672	3632	coiome.exe	107
PID 3632 wrote to memory of 3672	3632	coiome.exe	107
PID 3632 wrote to memory of 2956	3632	coiome.exe	110
PID 3632 wrote to memory of 2956	3632	coiome.exe	110
PID 3632 wrote to memory of 2956	3632	coiome.exe	110
PID 2956 wrote to memory of 4000	2956	cmd.exe	112
PID 2956 wrote to memory of 4000	2956	cmd.exe	112
PID 2956 wrote to memory of 4000	2956	cmd.exe	112
PID 3632 wrote to memory of 4584	3632	coiome.exe	113
PID 3632 wrote to memory of 4584	3632	coiome.exe	113
PID 3632 wrote to memory of 4584	3632	coiome.exe	113
PID 4584 wrote to memory of 2976	4584	cmd.exe	115
PID 4584 wrote to memory of 2976	4584	cmd.exe	115
PID 4584 wrote to memory of 2976	4584	cmd.exe	115
PID 3632 wrote to memory of 3852	3632	coiome.exe	116
PID 3632 wrote to memory of 3852	3632	coiome.exe	116
PID 3632 wrote to memory of 3852	3632	coiome.exe	116
PID 3632 wrote to memory of 4968	3632	coiome.exe	118
PID 3632 wrote to memory of 4968	3632	coiome.exe	118
PID 3632 wrote to memory of 4968	3632	coiome.exe	118
PID 3632 wrote to memory of 384	3632	coiome.exe	120
PID 3632 wrote to memory of 384	3632	coiome.exe	120
PID 3632 wrote to memory of 384	3632	coiome.exe	120

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4000	attrib.exe
2976	attrib.exe

C:\Users\Admin\AppData\Local\Temp\526d7951a97374ff8c718d82e501093e.exe
"C:\Users\Admin\AppData\Local\Temp\526d7951a97374ff8c718d82e501093e.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4024
- C:\Windows\SysWOW64\mshta.exe
  "C:\Windows\SysWOW64\mshta.exe" "C:\Program Files (x86)\JUV.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
  2⤵
  - Adds Run key to start application
  - Modifies Internet Explorer settings
  - Modifies Internet Explorer start page
  PID:2180
- C:\Windows\SysWOW64\cmd.exe
  cmd /c taskkill /im coiome.exe /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3268
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im coiome.exe /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4968
- C:\Program Files (x86)\Common Files\sfbsbvx\coiome.exe
  "C:\Program Files (x86)\Common Files\sfbsbvx\coiome.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3632
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c sc delete JavaServe
    3⤵
    PID:3672
  - - C:\Windows\SysWOW64\sc.exe
      sc delete JavaServe
      4⤵
      Launches sc.exe
      PID:3612
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -h -s -r -a "%userprofile%\Cookies\*.*"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2956
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -h -s -r -a "C:\Users\Admin\Cookies\*.*"
      4⤵
      Views/modifies file attributes
      PID:4000
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -h -s -r -a "%userprofile%\Local Settings\Temp\Cookies\*.*"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4584
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -h -s -r -a "C:\Users\Admin\Local Settings\Temp\Cookies\*.*"
      4⤵
      Views/modifies file attributes
      PID:2976
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c del /f /s /q "%userprofile%\Cookies\*.*
    3⤵
    PID:3852
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c del /f /s /q "%userprofile%\Local Settings\Temporary Internet Files\*.*"
    3⤵
    PID:4968
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c del /f /s /q "%userprofile%\Local Settings\Temp\Cookies\*.*"
    3⤵
    PID:384
- C:\Windows\SysWOW64\cmd.exe
  cmd /c del "C:\Users\Admin\AppData\Local\Temp\526d7951a97374ff8c718d82e501093e.exe"
  2⤵
  PID:3100

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

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Downloads

C:\Program Files (x86)\Common Files\sfbsbvx\coiome.exe

Filesize
2.0MB

MD5
36db137cd8798b20c996ae0b41168568

SHA1
924e99f645944deaf2bac98f9661cb1284dbde84

SHA256
8bc0a01fc97408bec77c63bfd4875009322ae8eff521cd577a4170f5325b1d5e

SHA512
442ea78c3ce67fe77430a9ef514de3a9811d509cef7ace73dfec9c0ca76dcc9aa16253ba2443232d8e7367251bd849e2b911795a109f3b183edf965925513368

Download Submit
C:\Program Files (x86)\JUV.hta

Filesize
780B

MD5
cfae0efb683986503bb789616bad8b55

SHA1
9325f503e9c4d97a7d06d81859f73d245a974753

SHA256
8f1076023a3e05a05e9938b08398e885a516f7442a19cd0de7fd3a87f6c0ccd8

SHA512
e338c41006f670cc98554f1c3a262cc7e4d9dd680bd9d77cc2b5a048a7f3b630f59df6a02fe6542df71647ce3eb7541f86bc3266fad396a9859620a7d26a942c

Download Submit
memory/3632-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3632-12-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3632-14-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4024-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4024-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads