5a236c258c34a031cdfeff9821f4d8c706ea1cacf70fe7dd4f06dcf7c13725da

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/01/2024, 16:16

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General

Target

592a8906d5d2f9f400c7bdacda767f99.exe
Size

164KB
MD5

592a8906d5d2f9f400c7bdacda767f99
SHA1

dc0ffc1b4fea0af06950e96fc7d4918c2141fb47
SHA256

5a236c258c34a031cdfeff9821f4d8c706ea1cacf70fe7dd4f06dcf7c13725da
SHA512

9379cd9e312afddf1b5b10947c92f2bfcbd936b4481885f64902ab9dcc3c45953c65b45f09d5c07640a6ea6991271d62c315d9d4e116ac0159ec580cec685e8a
SSDEEP

3072:98YFaqe9ZjBozEV+Rvq/nFBi14WOZJRHQCiTD8ukT1pB:9BEL9ZFooVcvS7iSpZ3H6D8ukT

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
688	svchest131642.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\:\Program Files\Common Files\svchest131642.exe = "C:\\Program Files\\Common Files\\svchest131642.exe"	592a8906d5d2f9f400c7bdacda767f99.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Common Files\svchest131642.exe	592a8906d5d2f9f400c7bdacda767f99.exe
File created	C:\Program Files\svchest.exe	svchest131642.exe
File created	C:\Program Files\Common Files\svchest131642.exe	592a8906d5d2f9f400c7bdacda767f99.exe

Kills process with taskkill 2 IoCs

evasion

pid	Process
1064	taskkill.exe
3040	taskkill.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe
688	svchest131642.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3040	taskkill.exe
Token: SeDebugPrivilege	1064	taskkill.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5032 wrote to memory of 3040	5032	592a8906d5d2f9f400c7bdacda767f99.exe	42
PID 5032 wrote to memory of 3040	5032	592a8906d5d2f9f400c7bdacda767f99.exe	42
PID 5032 wrote to memory of 3040	5032	592a8906d5d2f9f400c7bdacda767f99.exe	42
PID 5032 wrote to memory of 688	5032	592a8906d5d2f9f400c7bdacda767f99.exe	56
PID 5032 wrote to memory of 688	5032	592a8906d5d2f9f400c7bdacda767f99.exe	56
PID 5032 wrote to memory of 688	5032	592a8906d5d2f9f400c7bdacda767f99.exe	56
PID 688 wrote to memory of 1064	688	svchest131642.exe	75
PID 688 wrote to memory of 1064	688	svchest131642.exe	75
PID 688 wrote to memory of 1064	688	svchest131642.exe	75

C:\Users\Admin\AppData\Local\Temp\592a8906d5d2f9f400c7bdacda767f99.exe
"C:\Users\Admin\AppData\Local\Temp\592a8906d5d2f9f400c7bdacda767f99.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:5032
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im Ksafetray.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3040
- C:\Program Files\Common Files\svchest131642.exe
  "C:\Program Files\Common Files\svchest131642.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:688
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im Ksafetray.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1064

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:\Program Files\Common Files\svchest131642.exe

Filesize
127KB

MD5
0a5850d165b9e20e6c2bc278cdf870c1

SHA1
09b8f7d48ab2252184bf58bb9419aef340faef7f

SHA256
3263667af2c1acecff87d72cf4006f8814d084a74341825c5196df70158f9f6f

SHA512
1422ee4ff61154e759c171c23e9b8e1f341e8a58f990f522c20681176291e745c4192469443acda9952d66c745738c3483d3bda05d5b67531975c9a0c04a1e8b

Download Submit
C:\Program Files\Common Files\svchest131642.exe

Filesize
82KB

MD5
033328478c1c5b07189fcc26e04596fc

SHA1
3aa4a831a8eab91eb9de27ad24b1d4ebcd24ca78

SHA256
252aba6305b89dd5049f6513806442fee29a090b651153345ff2e153a3022519

SHA512
24883a06ca97e702c41a02c3aa60320d111c526fe4b970a022eb3472e1bf5dfe3f2419976f1e3e26fc44cbecbca404ab25d0cbb9ce6cd7e83e309f70e90c485e

Download Submit
C:\Program Files\svchest.exe

Filesize
122B

MD5
bf49b01c5875118eae50be155f57d56b

SHA1
d1bda5fe15a1cae7bfeff69346dff875319656a2

SHA256
861b9a824d3f6b4ca8fea46c97cf0fc243ce51ac4aa67f5432a479a822ad4592

SHA512
3736bb76e2b280d6557b7508d88a895a28e7c83c2a56025c234ae93952b0a1548e7cb2091999bfd1d249107085ae60233e478628ec36d16ab6e54ee91fe50629

Download Submit