55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1

General

Target

55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe
Size

1.0MB
MD5

53ee564dae311a0c89c7b604ff52219e
SHA1

5dbb2986c44a555ad6c63c9a0c3ba49e53a652bf
SHA256

55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1
SHA512

974a810d85b1c3d0309b48b19c9671411428f3430105515b70881f581b1ef75afbad81418edf08aec3a24a587d5504d5f5abff224039ad5b0b1a2ffe4cb1b268

Score

10^/10

discovery persistence spyware stealer suricata upx

Malware Config

Signatures

suricata: ET MALWARE Win32/Kelihos.F Checkin
suricata: ET MALWARE Win32/Kelihos.F Checkin
suricata

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/4428-138-0x0000000000400000-0x0000000000645000-memory.dmp	upx
behavioral2/memory/4428-139-0x0000000000400000-0x0000000000645000-memory.dmp	upx

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\NetworkChecker = "C:\\Users\\Admin\\AppData\\Local\\Temp\\55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe"	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

Processes:

55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe

description	pid	process	target process
PID 4208 set thread context of 4428	4208	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

Processes:

55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\Main	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\Main\DefaultCompressedRecord = c880f97f73130d072ade05aae1951275670bfc1bc00a3e29010d0fc10be3c60d9db438abb14c21275afbc5b5b13f762e5fb8af7018c7bc7a148b969b4dbcf253be5f69c2ca1fca34a9fd5695f62f095e97f7858c0d677f59110bee9f794f8751cace03fabfbede	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\Main\RecordModifiedMax = "DEC32zYLzTazWTBtrC1jqN7g+tHbZJWm11R6SRbZNsjj43TAVY5TkkifWml2LOrAgQ=="	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FlagsModifiedValid = 0000000000000000	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe

pid	process
4208	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe
4208	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe

pid process

4208 55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe

C:\Users\Admin\AppData\Local\Temp\55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe
"C:\Users\Admin\AppData\Local\Temp\55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4208

C:\Users\Admin\AppData\Local\Temp\55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe
"C:\Users\Admin\AppData\Local\Temp\55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe"
2⤵
PID:4532

C:\Users\Admin\AppData\Local\Temp\55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe
"C:\Users\Admin\AppData\Local\Temp\55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe"
2⤵
PID:4544

C:\Users\Admin\AppData\Local\Temp\55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe
"C:\Users\Admin\AppData\Local\Temp\55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe"
2⤵
- Adds Run key to start application
- Modifies Internet Explorer settings
PID:4428

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/4208-130-0x0000000002310000-0x0000000002314000-memory.dmp

Filesize
16KB

Download
memory/4428-133-0x0000000000000000-mapping.dmp

Download
memory/4428-134-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/4428-136-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/4428-137-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/4428-138-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/4428-139-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/4532-131-0x0000000000000000-mapping.dmp

Download
memory/4544-132-0x0000000000000000-mapping.dmp

Download

description	pid	process	target process
PID 4208 wrote to memory of 4532	4208	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe
PID 4208 wrote to memory of 4532	4208	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe
PID 4208 wrote to memory of 4532	4208	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe
PID 4208 wrote to memory of 4544	4208	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe
PID 4208 wrote to memory of 4544	4208	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe
PID 4208 wrote to memory of 4544	4208	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe
PID 4208 wrote to memory of 4428	4208	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe
PID 4208 wrote to memory of 4428	4208	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe
PID 4208 wrote to memory of 4428	4208	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe
PID 4208 wrote to memory of 4428	4208	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe
PID 4208 wrote to memory of 4428	4208	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe
PID 4208 wrote to memory of 4428	4208	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe
PID 4208 wrote to memory of 4428	4208	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe
PID 4208 wrote to memory of 4428	4208	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe
PID 4208 wrote to memory of 4428	4208	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe	55f6a19b7ac142e24f96cf78b53191d41880dc1a8279976d023ecfe49da633a1.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads