144419ab9b50d10039f6a9ca5391529c09667ac1a2f2f4bd4d04fbdbc29587b0

Resubmissions

06/06/2023, 05:47

230606-ghchyacg3z 7

06/06/2023, 04:47

230606-fenw5aca76 7

Analysis

max time kernel
293s
max time network
302s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
06/06/2023, 04:47

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General

Target

144419ab9b50d10039f6a9ca5391529c09667ac1a2f2f4bd4d04fbdbc29587b0.exe
Size

221KB
MD5

4802d970c3343b70a98536c930ee839a
SHA1

daf3ffd80a20c427ea11967e8850682b12ece67b
SHA256

144419ab9b50d10039f6a9ca5391529c09667ac1a2f2f4bd4d04fbdbc29587b0
SHA512

3b0c171706ab43ba6b5561a8fbbec48e46fe5eb2a0a23585f8a1b729c5432ffb769898452ecae305ac390cad6a52e5054c5cd61ee397e52c3f8729e193a8e7a3
SSDEEP

6144:DtAA5XLdm4FbYid6WliOWA8EJJDnXthJajk:Dt5XRm4Fj3JVnXthwk

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4040	g3f31sd.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2984-118-0x0000000000400000-0x000000000075D000-memory.dmp	upx
behavioral2/files/0x000900000001aedc-125.dat	upx
behavioral2/memory/2984-126-0x0000000000400000-0x000000000075D000-memory.dmp	upx
behavioral2/files/0x000900000001aedc-128.dat	upx
behavioral2/memory/4040-132-0x0000000000400000-0x000000000075D000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Windows\CurrentVersion\Run\h2j53 = "C:\\ProgramData\\h5gb4fg\\g3f31sd.exe"	144419ab9b50d10039f6a9ca5391529c09667ac1a2f2f4bd4d04fbdbc29587b0.exe
Key created	\REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Windows\CurrentVersion\Run	144419ab9b50d10039f6a9ca5391529c09667ac1a2f2f4bd4d04fbdbc29587b0.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 4040	2984	144419ab9b50d10039f6a9ca5391529c09667ac1a2f2f4bd4d04fbdbc29587b0.exe	67
PID 2984 wrote to memory of 4040	2984	144419ab9b50d10039f6a9ca5391529c09667ac1a2f2f4bd4d04fbdbc29587b0.exe	67
PID 2984 wrote to memory of 4040	2984	144419ab9b50d10039f6a9ca5391529c09667ac1a2f2f4bd4d04fbdbc29587b0.exe	67

C:\Users\Admin\AppData\Local\Temp\144419ab9b50d10039f6a9ca5391529c09667ac1a2f2f4bd4d04fbdbc29587b0.exe
"C:\Users\Admin\AppData\Local\Temp\144419ab9b50d10039f6a9ca5391529c09667ac1a2f2f4bd4d04fbdbc29587b0.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2984
- C:\ProgramData\h5gb4fg\g3f31sd.exe
  C:\ProgramData\h5gb4fg\g3f31sd.exe
  2⤵
  - Executes dropped EXE
  PID:4040

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\h5gb4fg\g3f31sd.exe

Filesize
221KB

MD5
4802d970c3343b70a98536c930ee839a

SHA1
daf3ffd80a20c427ea11967e8850682b12ece67b

SHA256
144419ab9b50d10039f6a9ca5391529c09667ac1a2f2f4bd4d04fbdbc29587b0

SHA512
3b0c171706ab43ba6b5561a8fbbec48e46fe5eb2a0a23585f8a1b729c5432ffb769898452ecae305ac390cad6a52e5054c5cd61ee397e52c3f8729e193a8e7a3

Download Submit
C:\ProgramData\h5gb4fg\g3f31sd.exe

Filesize
221KB

MD5
4802d970c3343b70a98536c930ee839a

SHA1
daf3ffd80a20c427ea11967e8850682b12ece67b

SHA256
144419ab9b50d10039f6a9ca5391529c09667ac1a2f2f4bd4d04fbdbc29587b0

SHA512
3b0c171706ab43ba6b5561a8fbbec48e46fe5eb2a0a23585f8a1b729c5432ffb769898452ecae305ac390cad6a52e5054c5cd61ee397e52c3f8729e193a8e7a3

Download Submit
memory/2984-123-0x0000000000150000-0x0000000000155000-memory.dmp

Filesize
20KB

Download
memory/2984-118-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/2984-121-0x0000000000150000-0x0000000000155000-memory.dmp

Filesize
20KB

Download
memory/2984-126-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/2984-120-0x0000000000150000-0x0000000000155000-memory.dmp

Filesize
20KB

Download
memory/2984-127-0x00000000028F0000-0x0000000002D2F000-memory.dmp

Filesize
4.2MB

Download
memory/4040-130-0x00000000001F0000-0x00000000001F5000-memory.dmp

Filesize
20KB

Download
memory/4040-131-0x00000000001F0000-0x00000000001F5000-memory.dmp

Filesize
20KB

Download
memory/4040-132-0x0000000000400000-0x000000000075D000-memory.dmp

Filesize
3.4MB

Download
memory/4040-133-0x00000000001F0000-0x00000000001F5000-memory.dmp

Filesize
20KB

Download
memory/4040-135-0x0000000002770000-0x0000000002BAF000-memory.dmp

Filesize
4.2MB

Download
memory/4040-136-0x00000000001F0000-0x00000000001F5000-memory.dmp

Filesize
20KB

Download