2277d45fc669a04e63eeb39df1bba467c9a7cea83af9c76436902ae487a8e799

General

Target

2277d45fc669a04e63eeb39df1bba467c9a7cea83af9c76436902ae487a8e799.exe
Size

307KB
MD5

1f1f1e5e3fe56fdcb44b1a0ae1b804c0
SHA1

f0f87438450c5160eb1f76f966314f551bf2b1d1
SHA256

2277d45fc669a04e63eeb39df1bba467c9a7cea83af9c76436902ae487a8e799
SHA512

a1a2b4d022699d0a37e1f6260eab37634fef93b51fd0cce890f4c6a25b4ea96543d93c8dfed544974e1f5064164873f81ca44f2b5334cb871732a77bcdc971b3
SSDEEP

6144:DsV2ZRWvvfJ9Po5Lj28rnYytg5zhv/zuP4GDylJh:DsV2PWvvf7PiLj28oVDuPHqv

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	msiexec.exe

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	msiexec.exe

Adds policy 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\MACHINE\software\microsoft\windows\currentversion\Policies\Explorer\Run	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\132562678 = "C:\\ProgramData\\msumjorg.exe"	msiexec.exe

Blocklisted process makes network request 28 IoCs

flow	pid	Process
2	828	msiexec.exe
3	828	msiexec.exe
5	828	msiexec.exe
6	828	msiexec.exe
8	828	msiexec.exe
10	828	msiexec.exe
11	828	msiexec.exe
12	828	msiexec.exe
14	828	msiexec.exe
15	828	msiexec.exe
17	828	msiexec.exe
19	828	msiexec.exe
20	828	msiexec.exe
21	828	msiexec.exe
22	828	msiexec.exe
23	828	msiexec.exe
24	828	msiexec.exe
25	828	msiexec.exe
26	828	msiexec.exe
27	828	msiexec.exe
28	828	msiexec.exe
29	828	msiexec.exe
30	828	msiexec.exe
31	828	msiexec.exe
32	828	msiexec.exe
33	828	msiexec.exe
34	828	msiexec.exe
35	828	msiexec.exe

Disables taskbar notifications via registry modification
evasion

Deletes itself 1 IoCs

pid	Process
828	msiexec.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\software\microsoft\windows\currentversion\Run	msiexec.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1324	2277d45fc669a04e63eeb39df1bba467c9a7cea83af9c76436902ae487a8e799.exe
828	msiexec.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1324	2277d45fc669a04e63eeb39df1bba467c9a7cea83af9c76436902ae487a8e799.exe
1324	2277d45fc669a04e63eeb39df1bba467c9a7cea83af9c76436902ae487a8e799.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	828	msiexec.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1324 wrote to memory of 828	1324	2277d45fc669a04e63eeb39df1bba467c9a7cea83af9c76436902ae487a8e799.exe	27
PID 1324 wrote to memory of 828	1324	2277d45fc669a04e63eeb39df1bba467c9a7cea83af9c76436902ae487a8e799.exe	27
PID 1324 wrote to memory of 828	1324	2277d45fc669a04e63eeb39df1bba467c9a7cea83af9c76436902ae487a8e799.exe	27
PID 1324 wrote to memory of 828	1324	2277d45fc669a04e63eeb39df1bba467c9a7cea83af9c76436902ae487a8e799.exe	27
PID 1324 wrote to memory of 828	1324	2277d45fc669a04e63eeb39df1bba467c9a7cea83af9c76436902ae487a8e799.exe	27
PID 1324 wrote to memory of 828	1324	2277d45fc669a04e63eeb39df1bba467c9a7cea83af9c76436902ae487a8e799.exe	27
PID 1324 wrote to memory of 828	1324	2277d45fc669a04e63eeb39df1bba467c9a7cea83af9c76436902ae487a8e799.exe	27

C:\Users\Admin\AppData\Local\Temp\2277d45fc669a04e63eeb39df1bba467c9a7cea83af9c76436902ae487a8e799.exe
"C:\Users\Admin\AppData\Local\Temp\2277d45fc669a04e63eeb39df1bba467c9a7cea83af9c76436902ae487a8e799.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1324
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\system32\msiexec.exe"
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - UAC bypass
  - Adds policy Run key to start application
  - Blocklisted process makes network request
  - Deletes itself
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:828

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

1

T1089

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/828-55-0x0000000000000000-mapping.dmp

Download
memory/828-59-0x0000000000790000-0x00000000007A4000-memory.dmp

Filesize
80KB

Download
memory/828-60-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/828-61-0x000000007EF90000-0x000000007EF97000-memory.dmp

Filesize
28KB

Download
memory/828-62-0x000000007EF90000-0x000000007EF97000-memory.dmp

Filesize
28KB

Download
memory/1324-54-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

Filesize
8KB

Download
memory/1324-57-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1324-58-0x000000007EF90000-0x000000007EF97000-memory.dmp

Filesize
28KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads