5123464f02eb63e96e020c6c727185b62e53d894c96fb71901b2f491554120d4

General

Target

transact_store/transact_e5ebfdsd6211.exe
Size

58KB
MD5

182ee0f73cd9743985ceb3248400fd44
SHA1

a3be64e08d2190fc54c3732090e4888a2162578c
SHA256

8a23558f6b59c714495ad9753609f359bd025b6bb205b8ac00a7a84ed1372589
SHA512

6e0135ce9c715e95e3b3e4328d50a8b4822e9cde36d4e60b7c370dcb3892dfe4e08d6b201f4d60c3e33f37514179bf747fa37a475f4589e5b15280ac657fc262
SSDEEP

1536:cQCQKXujec19h2F0plccw9ZFvXR2dowZypaXTNSLO6:lFsh2pEdXR2IV

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-1-5-21-3845472200-3839195424-595303356-1000\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\3755341674 = "C:\\PROGRA~3\\msagbgp.exe"	msiexec.exe

Blocklisted process makes network request 5 IoCs

flow	pid	Process
1	1120	msiexec.exe
2	1120	msiexec.exe
3	1120	msiexec.exe
4	1120	msiexec.exe
5	1120	msiexec.exe

Disables taskbar notifications via registry modification
evasion

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1980 set thread context of 1452	1980	transact_e5ebfdsd6211.exe	28

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~3\msagbgp.exe	msiexec.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1452	transact_e5ebfdsd6211.exe
1120	msiexec.exe
1120	msiexec.exe

Suspicious behavior: MapViewOfSection 26 IoCs

pid	Process
1452	transact_e5ebfdsd6211.exe
1452	transact_e5ebfdsd6211.exe
1120	msiexec.exe
1120	msiexec.exe
1120	msiexec.exe
1120	msiexec.exe
1120	msiexec.exe
1120	msiexec.exe
1120	msiexec.exe
1120	msiexec.exe
1120	msiexec.exe
1120	msiexec.exe
1120	msiexec.exe
1120	msiexec.exe
1120	msiexec.exe
1120	msiexec.exe
1120	msiexec.exe
1120	msiexec.exe
1120	msiexec.exe
1120	msiexec.exe
1120	msiexec.exe
1120	msiexec.exe
1120	msiexec.exe
1120	msiexec.exe
1120	msiexec.exe
1120	msiexec.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1120	msiexec.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1452	transact_e5ebfdsd6211.exe
Token: SeBackupPrivilege	1452	transact_e5ebfdsd6211.exe
Token: SeRestorePrivilege	1452	transact_e5ebfdsd6211.exe
Token: SeDebugPrivilege	1120	msiexec.exe
Token: SeBackupPrivilege	1120	msiexec.exe
Token: SeRestorePrivilege	1120	msiexec.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1980 wrote to memory of 1452	1980	transact_e5ebfdsd6211.exe	28
PID 1980 wrote to memory of 1452	1980	transact_e5ebfdsd6211.exe	28
PID 1980 wrote to memory of 1452	1980	transact_e5ebfdsd6211.exe	28
PID 1980 wrote to memory of 1452	1980	transact_e5ebfdsd6211.exe	28
PID 1980 wrote to memory of 1452	1980	transact_e5ebfdsd6211.exe	28
PID 1980 wrote to memory of 1452	1980	transact_e5ebfdsd6211.exe	28
PID 1980 wrote to memory of 1452	1980	transact_e5ebfdsd6211.exe	28
PID 1980 wrote to memory of 1452	1980	transact_e5ebfdsd6211.exe	28
PID 1452 wrote to memory of 1120	1452	transact_e5ebfdsd6211.exe	29
PID 1452 wrote to memory of 1120	1452	transact_e5ebfdsd6211.exe	29
PID 1452 wrote to memory of 1120	1452	transact_e5ebfdsd6211.exe	29
PID 1452 wrote to memory of 1120	1452	transact_e5ebfdsd6211.exe	29
PID 1452 wrote to memory of 1120	1452	transact_e5ebfdsd6211.exe	29
PID 1452 wrote to memory of 1120	1452	transact_e5ebfdsd6211.exe	29
PID 1452 wrote to memory of 1120	1452	transact_e5ebfdsd6211.exe	29

C:\Users\Admin\AppData\Local\Temp\transact_store\transact_e5ebfdsd6211.exe
"C:\Users\Admin\AppData\Local\Temp\transact_store\transact_e5ebfdsd6211.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1980
- C:\Users\Admin\AppData\Local\Temp\transact_store\transact_e5ebfdsd6211.exe
  "C:\Users\Admin\AppData\Local\Temp\transact_store\transact_e5ebfdsd6211.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1452
- - C:\Windows\SysWOW64\msiexec.exe
    C:\Windows\SysWOW64\msiexec.exe
    3⤵
    - Modifies visiblity of hidden/system files in Explorer
    - UAC bypass
    - Adds policy Run key to start application
    - Blocklisted process makes network request
    - Drops file in Program Files directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious behavior: RenamesItself
    - Suspicious use of AdjustPrivilegeToken
    PID:1120

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Registry Run Keys / Startup Folder

1

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/1120-69-0x000000007EF90000-0x000000007EF96000-memory.dmp

Filesize
24KB

Download
memory/1120-68-0x000000007EF90000-0x000000007EF96000-memory.dmp

Filesize
24KB

Download
memory/1120-67-0x0000000000090000-0x00000000000A4000-memory.dmp

Filesize
80KB

Download
memory/1452-65-0x000000007EF90000-0x000000007EF96000-memory.dmp

Filesize
24KB

Download
memory/1452-62-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1452-57-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1452-56-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1452-55-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1980-60-0x0000000074340000-0x00000000748EB000-memory.dmp

Filesize
5.7MB

Download
memory/1980-61-0x000000000067A000-0x000000000067D000-memory.dmp

Filesize
12KB

Download
memory/1980-54-0x0000000075981000-0x0000000075983000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads