a8404dadaf2913b7a55f6c0b7aaaebd729267328c17d14eb2c75b2f6ed17dde1

Analysis

max time kernel
90s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2022 15:52

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General

Target

a8404dadaf2913b7a55f6c0b7aaaebd729267328c17d14eb2c75b2f6ed17dde1.exe
Size

180KB
MD5

adb9dc8161ecc8905b6e21d74be9619b
SHA1

2099763eafb37ffe2cab99dd4680ef03c3e6f5ac
SHA256

a8404dadaf2913b7a55f6c0b7aaaebd729267328c17d14eb2c75b2f6ed17dde1
SHA512

76d18b2e91db7f067c921537251a19a2da1052fe7f9e6c9dd166adbfb57e356038203805c0fbc59b7a7af1f0c938b1cb8898a63a3673286c07d082986d55e62b
SSDEEP

1536:fSwjT3ZwZ/n29LGkzLDzSm3vIwTBea8wjX+SRIcp4pjxq9ePV5rO+9gYcaGdu0:fSwjTJy/29KOfOm/IMoiX+EpkWV

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2180	KB00087568.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\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run	KB00087568.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\KB00087568.exe = "\"C:\\Users\\Admin\\AppData\\Roaming\\KB00087568.exe\""	KB00087568.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
792	2180	WerFault.exe	82

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2180	KB00087568.exe
2180	KB00087568.exe
2180	KB00087568.exe
2180	KB00087568.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2180	KB00087568.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 3328	4932	a8404dadaf2913b7a55f6c0b7aaaebd729267328c17d14eb2c75b2f6ed17dde1.exe	81
PID 4932 wrote to memory of 3328	4932	a8404dadaf2913b7a55f6c0b7aaaebd729267328c17d14eb2c75b2f6ed17dde1.exe	81
PID 4932 wrote to memory of 3328	4932	a8404dadaf2913b7a55f6c0b7aaaebd729267328c17d14eb2c75b2f6ed17dde1.exe	81
PID 4932 wrote to memory of 2180	4932	a8404dadaf2913b7a55f6c0b7aaaebd729267328c17d14eb2c75b2f6ed17dde1.exe	82
PID 4932 wrote to memory of 2180	4932	a8404dadaf2913b7a55f6c0b7aaaebd729267328c17d14eb2c75b2f6ed17dde1.exe	82
PID 4932 wrote to memory of 2180	4932	a8404dadaf2913b7a55f6c0b7aaaebd729267328c17d14eb2c75b2f6ed17dde1.exe	82
PID 2180 wrote to memory of 792	2180	KB00087568.exe	85

C:\Users\Admin\AppData\Local\Temp\a8404dadaf2913b7a55f6c0b7aaaebd729267328c17d14eb2c75b2f6ed17dde1.exe
"C:\Users\Admin\AppData\Local\Temp\a8404dadaf2913b7a55f6c0b7aaaebd729267328c17d14eb2c75b2f6ed17dde1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4932
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\expCF6A.tmp.bat"
  2⤵
  PID:3328
- C:\Users\Admin\AppData\Roaming\KB00087568.exe
  "C:\Users\Admin\AppData\Roaming\KB00087568.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2180
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 696
    3⤵
    - Program crash
    PID:792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2180 -ip 2180
1⤵
PID:1652

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\expCF6A.tmp.bat

Filesize
322B

MD5
dadd5585d268e8fdb297644bd755d427

SHA1
949173e32ffb1df08134eec1899d26545979c25c

SHA256
5e0a6ad84e3286ad2d857e5596d7696261af3ec9d20de644f0e5730b054296b3

SHA512
fc9a1db788182e94e6736b700d878884c6bd60ec0e7312cee79824ce4b8570efc29c74606e332daa4dca4bf47f83d55cc961e3ced7a3f1005d2d07e56a540532

Download Submit
C:\Users\Admin\AppData\Roaming\KB00087568.exe

Filesize
180KB

MD5
adb9dc8161ecc8905b6e21d74be9619b

SHA1
2099763eafb37ffe2cab99dd4680ef03c3e6f5ac

SHA256
a8404dadaf2913b7a55f6c0b7aaaebd729267328c17d14eb2c75b2f6ed17dde1

SHA512
76d18b2e91db7f067c921537251a19a2da1052fe7f9e6c9dd166adbfb57e356038203805c0fbc59b7a7af1f0c938b1cb8898a63a3673286c07d082986d55e62b

Download Submit
C:\Users\Admin\AppData\Roaming\KB00087568.exe

Filesize
180KB

MD5
adb9dc8161ecc8905b6e21d74be9619b

SHA1
2099763eafb37ffe2cab99dd4680ef03c3e6f5ac

SHA256
a8404dadaf2913b7a55f6c0b7aaaebd729267328c17d14eb2c75b2f6ed17dde1

SHA512
76d18b2e91db7f067c921537251a19a2da1052fe7f9e6c9dd166adbfb57e356038203805c0fbc59b7a7af1f0c938b1cb8898a63a3673286c07d082986d55e62b

Download Submit
memory/2180-134-0x0000000000000000-mapping.dmp

Download
memory/2180-138-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download
memory/3328-133-0x0000000000000000-mapping.dmp

Download
memory/4932-132-0x0000000000400000-0x000000000052D000-memory.dmp

Filesize
1.2MB

Download