f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b

Resubmissions

07-05-2024 12:36

240507-pta39afh8x 10

07-05-2024 12:36

07-05-2024 12:36

07-05-2024 12:36

07-05-2024 12:36

25-04-2024 13:15

Analysis

max time kernel
143s
max time network
154s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
07-05-2024 12:36

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General

Target

f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe
Size

1.8MB
MD5

74f0926d93b595bb0a97d12fcced1f0e
SHA1

057b3c704de258d5b858afc884495405af2c7426
SHA256

f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b
SHA512

08f4b6a7ce8104180e538c2999115bc6cba33f3a66564db1b8369100bdbb540296207233cd25441c97f5ada1f4711c7ad4f12b18cc843ce0e9f719852444622a
SSDEEP

49152:VFqIJny8yP43p0p3PvdvN71jdII5rYjsAIGi:VFqmnbc45YVN71y1AGi

Score

7^/10

persistence upx

Malware Config

Signatures

UPX packed file 21 IoCs

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

upx

Processes:

resource	yara_rule
behavioral5/memory/2336-5-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral5/memory/2336-7-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral5/memory/2336-6-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral5/memory/2336-2-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral5/memory/2336-8-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral5/memory/2336-9-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral5/memory/2336-23-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral5/memory/2336-32-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral5/memory/2336-33-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral5/memory/2336-34-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral5/memory/2336-44-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral5/memory/2336-48-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral5/memory/2336-51-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral5/memory/2336-52-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral5/memory/2336-56-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral5/memory/2336-57-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral5/memory/2336-58-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral5/memory/2336-59-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral5/memory/2336-60-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral5/memory/2336-61-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral5/memory/2336-65-0x0000000000400000-0x0000000000848000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CSRSS = "\"C:\\ProgramData\\Drivers\\csrss.exe\""	f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe

description	pid	process	target process
PID 900 set thread context of 2336	900	f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe	f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe

pid	process
2336	f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe
2336	f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe
2336	f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe
2336	f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe
2336	f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe
2336	f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe

description	pid	process	target process
PID 900 wrote to memory of 2336	900	f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe	f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe
PID 900 wrote to memory of 2336	900	f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe	f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe
PID 900 wrote to memory of 2336	900	f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe	f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe
PID 900 wrote to memory of 2336	900	f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe	f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe
PID 900 wrote to memory of 2336	900	f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe	f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe
PID 900 wrote to memory of 2336	900	f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe	f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe
PID 900 wrote to memory of 2336	900	f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe	f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe
PID 900 wrote to memory of 2336	900	f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe	f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe

C:\Users\Admin\AppData\Local\Temp\f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe
"C:\Users\Admin\AppData\Local\Temp\f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:900

C:\Users\Admin\AppData\Local\Temp\f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe
"C:\Users\Admin\AppData\Local\Temp\f1e87674c6c572fbe566e2570de0cb8a958491b36eda957886f42ceca1fe577b.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:2336

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\4KPV6A~1\cached-microdesc-consensus
Filesize
2.4MB

MD5
0ce4530144899e61e7151afe7810919f

SHA1
f300561ff8bbd2b426926aced1e576bd2b91d001

SHA256
59f1410ba288f348e46546682bc8ae589accfdb2abc49b0b59fed35ed9de32e5

SHA512
595a94b645837f8627b703920cec6eda3e6103ae964c91c383679f00b712343b7f8d4656db6efdaceabe8c641cf45d6461ff77cc9fafa263880bc1a0763a83e6

Download Submit
C:\Users\Admin\AppData\Local\Temp\4KPV6A~1\cached-microdescs.new
Filesize
5.1MB

MD5
b89c6ecf21626edeeeb2c47b41660ba8

SHA1
681c63d8af7e4bb4e6ebe23cc443537cc4a352a3

SHA256
c4cdc2c8b5158d42adc47aae89e94b66f9a8cf5d8868a1ef88536d5fd947aa81

SHA512
0e68cdc684e52397055a84f0aeae69001334657b56aca30c1579127d06cf82a202d9373880024eb507abcab9cc80e2cbcd1378adadc6bcc7dca3a3bb4b3f12f0

Download Submit
memory/900-1-0x0000000004BE0000-0x0000000004DA6000-memory.dmp

Filesize
1.8MB

Download
memory/900-3-0x0000000004DB0000-0x0000000004F67000-memory.dmp

Filesize
1.7MB

Download
memory/2336-33-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2336-48-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2336-8-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2336-9-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2336-6-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2336-23-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2336-7-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2336-32-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2336-5-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2336-34-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2336-44-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2336-2-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2336-51-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2336-52-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2336-56-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2336-57-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2336-58-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2336-59-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2336-60-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2336-61-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download
memory/2336-65-0x0000000000400000-0x0000000000848000-memory.dmp

Filesize
4.3MB

Download