1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416 | Triage

Analysis

max time kernel
140s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 01:15

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General

Target

1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe
Size

1.3MB
MD5

de73849a5a50839be702dc2808227f63
SHA1

e194a423c5ecbd3e6b5724b94afeac36bd73eb3f
SHA256

1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416
SHA512

6771812f5cc5a206ad66dc3fe848f4f2199568d59b78bd42583c241c9bbd3ad34b2a7556df7a9eeae8d78c2ac46ab36d2fc36257a50844ba7fe970ba9125a1db
SSDEEP

24576:O9Q0lIVTRJpFbUWlEPVSq299xFrXJy/U77VaaG8uosbrDqa1VHWTcSdmWDxbLn/O:oQ0lsRTFbUWOPVSqsdAM77YoOrDX1l2s

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

Processes:

1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe

pid process

224 1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

36 drive.google.com
37 drive.google.com
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe

pid process

3436 1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe

pid	process
224	1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe
3436	1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe

description	pid	process	target process
PID 224 set thread context of 3436	224	1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe	1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe

Drops file in Program Files directory 1 IoCs

Processes:

1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\konvoluterer\Forsikringsinspektrer.ini	1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe

Drops file in Windows directory 1 IoCs

Processes:

1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe

description	ioc	process
File opened for modification	C:\Windows\mycelian\sempitern.ini	1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1424 3436 WerFault.exe 1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe

pid	process
3436	1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe
3436	1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe

pid process

224 1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe

description	pid	process	target process
PID 224 wrote to memory of 3436	224	1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe	1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe
PID 224 wrote to memory of 3436	224	1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe	1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe
PID 224 wrote to memory of 3436	224	1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe	1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe
PID 224 wrote to memory of 3436	224	1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe	1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe
PID 224 wrote to memory of 3436	224	1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe	1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe

C:\Users\Admin\AppData\Local\Temp\1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe
"C:\Users\Admin\AppData\Local\Temp\1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:224

C:\Users\Admin\AppData\Local\Temp\1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe
"C:\Users\Admin\AppData\Local\Temp\1f4063a9b29a0125ea9cf49e59ed6e2dd0d70c8b155ebab5fc7ef33597b6d416.exe"
2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3436 -s 208
3⤵
- Program crash
PID:1424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3436 -ip 3436
1⤵
PID:4296

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Web Service

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsd4EED.tmp\System.dll

Filesize
11KB

MD5
b8992e497d57001ddf100f9c397fcef5

SHA1
e26ddf101a2ec5027975d2909306457c6f61cfbd

SHA256
98bcd1dd88642f4dd36a300c76ebb1ddfbbbc5bfc7e3b6d7435dc6d6e030c13b

SHA512
8823b1904dccfaf031068102cb1def7958a057f49ff369f0e061f1b4db2090021aa620bb8442a2a6ac9355bb74ee54371dc2599c20dc723755a46ede81533a3c

Download Submit
memory/224-32-0x0000000077241000-0x0000000077361000-memory.dmp

Filesize
1.1MB

Download
memory/224-33-0x0000000010004000-0x0000000010005000-memory.dmp

Filesize
4KB

Download
memory/3436-34-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/3436-35-0x00000000772C8000-0x00000000772C9000-memory.dmp

Filesize
4KB

Download
memory/3436-36-0x00000000772E5000-0x00000000772E6000-memory.dmp

Filesize
4KB

Download
memory/3436-49-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/3436-50-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/3436-51-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/3436-52-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/3436-53-0x0000000077241000-0x0000000077361000-memory.dmp

Filesize
1.1MB

Download
memory/3436-54-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/3436-56-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/3436-55-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download