153cbda689ee6bdcc4b2248b67c7525dff3fb77abb9c510aee0c4248c291064f

General

Target

153cbda689ee6bdcc4b2248b67c7525dff3fb77abb9c510aee0c4248c291064f.exe
Size

3.2MB
MD5

6cb7876027443c8651a31aad6e38bb1c
SHA1

cf658b2004b437448b6028baa4a7c4ed1af29142
SHA256

153cbda689ee6bdcc4b2248b67c7525dff3fb77abb9c510aee0c4248c291064f
SHA512

625670fe8fb5ad6582f1027462154604ef2745d2295b2f8b05db0fec8ef9515a84405bc83fae22317549dd4d7ea00293953f25d2419401616fb5ea9e40750728
SSDEEP

49152:vQT+bfDIBpz2DYSJfvp3nMOP41L82z8f6xHU79Uhb1GSwioEBTMUw6WGsfWIS:vZbE2FfvFg1Y2zDxHCRBEBT7w6WGh

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1168	Smart+QWER.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000500000000b2d2-55.dat	upx
behavioral1/files/0x000500000000b2d2-56.dat	upx
behavioral1/files/0x000500000000b2d2-58.dat	upx
behavioral1/memory/1168-61-0x0000000000400000-0x0000000000B1B000-memory.dmp	upx
behavioral1/memory/1168-62-0x0000000000400000-0x0000000000B1B000-memory.dmp	upx
behavioral1/files/0x000500000000b2d2-63.dat	upx

Loads dropped DLL 2 IoCs

pid	Process
1600	153cbda689ee6bdcc4b2248b67c7525dff3fb77abb9c510aee0c4248c291064f.exe
1600	153cbda689ee6bdcc4b2248b67c7525dff3fb77abb9c510aee0c4248c291064f.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\WINDOWS\SysWOW64\lwkptxopy.dll	153cbda689ee6bdcc4b2248b67c7525dff3fb77abb9c510aee0c4248c291064f.exe
File created	C:\WINDOWS\SysWOW64\Smart+QWER.exe	153cbda689ee6bdcc4b2248b67c7525dff3fb77abb9c510aee0c4248c291064f.exe

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

System Information Discovery
T1082

Modifies registry class 19 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	Smart+QWER.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	Smart+QWER.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1"	Smart+QWER.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags	Smart+QWER.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	Smart+QWER.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	Smart+QWER.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	Smart+QWER.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	Smart+QWER.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}"	Smart+QWER.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic"	Smart+QWER.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	Smart+QWER.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	Smart+QWER.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff	Smart+QWER.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_Classes\Local Settings	Smart+QWER.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	Smart+QWER.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	Smart+QWER.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000	Smart+QWER.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	Smart+QWER.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	Smart+QWER.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1168	Smart+QWER.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1168	Smart+QWER.exe
1168	Smart+QWER.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 1168	1600	153cbda689ee6bdcc4b2248b67c7525dff3fb77abb9c510aee0c4248c291064f.exe	27
PID 1600 wrote to memory of 1168	1600	153cbda689ee6bdcc4b2248b67c7525dff3fb77abb9c510aee0c4248c291064f.exe	27
PID 1600 wrote to memory of 1168	1600	153cbda689ee6bdcc4b2248b67c7525dff3fb77abb9c510aee0c4248c291064f.exe	27
PID 1600 wrote to memory of 1168	1600	153cbda689ee6bdcc4b2248b67c7525dff3fb77abb9c510aee0c4248c291064f.exe	27

C:\Users\Admin\AppData\Local\Temp\153cbda689ee6bdcc4b2248b67c7525dff3fb77abb9c510aee0c4248c291064f.exe
"C:\Users\Admin\AppData\Local\Temp\153cbda689ee6bdcc4b2248b67c7525dff3fb77abb9c510aee0c4248c291064f.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1600
- C:\WINDOWS\SysWOW64\Smart+QWER.exe
  "C:\WINDOWS\system32\Smart+QWER.exe"
  2⤵
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:1168

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\WINDOWS\SysWOW64\Smart+QWER.exe

Filesize
2.8MB

MD5
4e96d19185cf5719ff50a8a40046ffa9

SHA1
b4fc2672781de7a283c66abffabad2822a398b93

SHA256
d29755d26781e2b8e51cf5a47357e26a0f77284d8f53fb9cbf42283ebb75c0a9

SHA512
a7cc57810e2c58f03c3e6f80ad83d997c747d8e447e7ea9390e9729b8b2136ce3539950109047bccb96f231a9c3611a2f5bca5689cbfe49fdeac80283780ec41

Download Submit
C:\Windows\SysWOW64\Smart+QWER.exe

Filesize
2.8MB

MD5
4e96d19185cf5719ff50a8a40046ffa9

SHA1
b4fc2672781de7a283c66abffabad2822a398b93

SHA256
d29755d26781e2b8e51cf5a47357e26a0f77284d8f53fb9cbf42283ebb75c0a9

SHA512
a7cc57810e2c58f03c3e6f80ad83d997c747d8e447e7ea9390e9729b8b2136ce3539950109047bccb96f231a9c3611a2f5bca5689cbfe49fdeac80283780ec41

Download Submit
\Windows\SysWOW64\Smart+QWER.exe

Filesize
2.8MB

MD5
4e96d19185cf5719ff50a8a40046ffa9

SHA1
b4fc2672781de7a283c66abffabad2822a398b93

SHA256
d29755d26781e2b8e51cf5a47357e26a0f77284d8f53fb9cbf42283ebb75c0a9

SHA512
a7cc57810e2c58f03c3e6f80ad83d997c747d8e447e7ea9390e9729b8b2136ce3539950109047bccb96f231a9c3611a2f5bca5689cbfe49fdeac80283780ec41

Download Submit
\Windows\SysWOW64\Smart+QWER.exe

Filesize
2.8MB

MD5
4e96d19185cf5719ff50a8a40046ffa9

SHA1
b4fc2672781de7a283c66abffabad2822a398b93

SHA256
d29755d26781e2b8e51cf5a47357e26a0f77284d8f53fb9cbf42283ebb75c0a9

SHA512
a7cc57810e2c58f03c3e6f80ad83d997c747d8e447e7ea9390e9729b8b2136ce3539950109047bccb96f231a9c3611a2f5bca5689cbfe49fdeac80283780ec41

Download Submit
memory/1168-61-0x0000000000400000-0x0000000000B1B000-memory.dmp

Filesize
7.1MB

Download
memory/1168-60-0x0000000074141000-0x0000000074143000-memory.dmp

Filesize
8KB

Download
memory/1168-62-0x0000000000400000-0x0000000000B1B000-memory.dmp

Filesize
7.1MB

Download
memory/1600-54-0x00000000752B1000-0x00000000752B3000-memory.dmp

Filesize
8KB

Download

Analysis

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