zloader | e7f1b2d2601e9a6427a155a3599614c09c9edaae7eb8f10b81e1f3e117717157

General

Target

SecuriteInfo.com.Win32.Kryptik.HENB.18157.dll
Size

579KB
MD5

a37a8840e9e8d07c73861a1353013ba2
SHA1

403c6a9e7159480ba75f4250f2d946226de92d4b
SHA256

e7f1b2d2601e9a6427a155a3599614c09c9edaae7eb8f10b81e1f3e117717157
SHA512

88e7eb3f6648c7baab747bae3afae839a9b13e12ff8ec861e4df262dbd2ab469de7274c02a716ba0e7fe6ecde4b9fe365f53cd4e9433a389080be92840e0c15c

Score

10^/10

trojan botnet zloader evasion spyware

Malware Config

Signatures

Blacklisted process makes network request 18 IoCs

Processes:

msiexec.exe

flow	pid	process
6	1904	msiexec.exe
7	1904	msiexec.exe
8	1904	msiexec.exe
9	1904	msiexec.exe
10	1904	msiexec.exe
11	1904	msiexec.exe
13	1904	msiexec.exe
15	1904	msiexec.exe
17	1904	msiexec.exe
19	1904	msiexec.exe
21	1904	msiexec.exe
23	1904	msiexec.exe
24	1904	msiexec.exe
25	1904	msiexec.exe
26	1904	msiexec.exe
27	1904	msiexec.exe
28	1904	msiexec.exe
30	1904	msiexec.exe

Zloader, Terdot, DELoader, ZeusSphinx
Zloader is a malware strain that was initially discovered back in August 2015.
trojan botnet zloader

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	msiexec.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 240 wrote to memory of 112	240	rundll32.exe	rundll32.exe
PID 240 wrote to memory of 112	240	rundll32.exe	rundll32.exe
PID 240 wrote to memory of 112	240	rundll32.exe	rundll32.exe
PID 240 wrote to memory of 112	240	rundll32.exe	rundll32.exe
PID 240 wrote to memory of 112	240	rundll32.exe	rundll32.exe
PID 240 wrote to memory of 112	240	rundll32.exe	rundll32.exe
PID 240 wrote to memory of 112	240	rundll32.exe	rundll32.exe
PID 112 wrote to memory of 1904	112	rundll32.exe	msiexec.exe
PID 112 wrote to memory of 1904	112	rundll32.exe	msiexec.exe
PID 112 wrote to memory of 1904	112	rundll32.exe	msiexec.exe
PID 112 wrote to memory of 1904	112	rundll32.exe	msiexec.exe
PID 112 wrote to memory of 1904	112	rundll32.exe	msiexec.exe
PID 112 wrote to memory of 1904	112	rundll32.exe	msiexec.exe
PID 112 wrote to memory of 1904	112	rundll32.exe	msiexec.exe
PID 112 wrote to memory of 1904	112	rundll32.exe	msiexec.exe
PID 112 wrote to memory of 1904	112	rundll32.exe	msiexec.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

rundll32.exemsiexec.exe

description pid process

Token: SeDebugPrivilege 112 rundll32.exe
Token: SeSecurityPrivilege 1904 msiexec.exe
Token: SeSecurityPrivilege 1904 msiexec.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

rundll32.exe

pid process

112 rundll32.exe
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 112 created 1208 112 rundll32.exe Explorer.EXE
Suspicious use of SetThreadContext 1 IoCs

Processes:

rundll32.exe

description pid process target process

PID 112 set thread context of 1904 112 rundll32.exe msiexec.exe

description	pid	process
Token: SeDebugPrivilege	112	rundll32.exe
Token: SeSecurityPrivilege	1904	msiexec.exe
Token: SeSecurityPrivilege	1904	msiexec.exe

pid	process
112	rundll32.exe

description	pid	process	target process
PID 112 created 1208	112	rundll32.exe	Explorer.EXE

description	pid	process	target process
PID 112 set thread context of 1904	112	rundll32.exe	msiexec.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Kryptik.HENB.18157.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:240

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Kryptik.HENB.18157.dll,#1
3⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of SetThreadContext
PID:112

C:\Windows\SysWOW64\msiexec.exe
msiexec.exe
2⤵
- Blacklisted process makes network request
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
PID:1904

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

1

T1130

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/112-0-0x0000000000000000-mapping.dmp

Download
memory/1904-1-0x00000000000D0000-0x00000000000FC000-memory.dmp

Filesize
176KB

Download
memory/1904-2-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/1904-3-0x00000000000D0000-0x00000000000FC000-memory.dmp

Filesize
176KB

Download
memory/1904-4-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads