0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283b

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10/10/2024, 05:12

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General

Target

0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Size

1.8MB
MD5

8ae84d125b4d3cca4b310a9f519747a0
SHA1

9f28f6eecb9ce84bd918f22c9af5f6e102ef6e57
SHA256

0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283b
SHA512

15268db416f0bcc2512f7f62d95903ea559f8e2fe697adcfc05067a03453d1b3c748040882010ed565bda1ee6f2fad92c1c24a88c369ed81ccfc776236f40d49
SSDEEP

24576:bMbXdVtTj2i64T+jdxQCfgOFD3WSwd2QtBBw6xxhVxQtmibjOhZaiRu/4oMaop0P:bMhbTChxKCnFnQXBbrtgb/iQvu0UHOaE

Score

10^/10

discovery evasion

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe

Executes dropped EXE 3 IoCs

pid	Process
2224	@AE784B.tmp.exe
2760	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
2232	WdExt.exe

Loads dropped DLL 7 IoCs

pid	Process
2088	explorer.exe
2088	explorer.exe
2224	@AE784B.tmp.exe
2088	explorer.exe
2220	cmd.exe
2220	cmd.exe
2232	WdExt.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	@AE784B.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WdExt.exe

Modifies registry class 27 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 7e0074001c0043465346160031000000000000000000100041707044617461000000741a595e96dfd3488d671733bcee28bac5cdfadf9f6756418947c5c76bc0b67f3c0008000400efbe00000000000000002a000000000000000000000000000000000000000000000000004100700070004400610074006100000042000000	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f44471a0359723fa74489c55595fe6b30ee0000	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 4a0031000000000000000000100054656d700000360008000400efbe00000000000000002a00000000000000000000000000000000000000000000000000540065006d007000000014000000	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 4c003100000000000000000010004c6f63616c00380008000400efbe00000000000000002a000000000000000000000000000000000000000000000000004c006f00630061006c00000014000000	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 = 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	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_Classes\Local Settings	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\NodeSlot = "1"	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\MRUListEx = ffffffff	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = 00000000ffffffff	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}"	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2224	@AE784B.tmp.exe
2232	WdExt.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2088	2936	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe	30
PID 2936 wrote to memory of 2088	2936	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe	30
PID 2936 wrote to memory of 2088	2936	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe	30
PID 2936 wrote to memory of 2088	2936	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe	30
PID 2936 wrote to memory of 2088	2936	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe	30
PID 2936 wrote to memory of 2088	2936	0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe	30
PID 2088 wrote to memory of 2224	2088	explorer.exe	31
PID 2088 wrote to memory of 2224	2088	explorer.exe	31
PID 2088 wrote to memory of 2224	2088	explorer.exe	31
PID 2088 wrote to memory of 2224	2088	explorer.exe	31
PID 2088 wrote to memory of 2760	2088	explorer.exe	32
PID 2088 wrote to memory of 2760	2088	explorer.exe	32
PID 2088 wrote to memory of 2760	2088	explorer.exe	32
PID 2088 wrote to memory of 2760	2088	explorer.exe	32
PID 2224 wrote to memory of 2220	2224	@AE784B.tmp.exe	33
PID 2224 wrote to memory of 2220	2224	@AE784B.tmp.exe	33
PID 2224 wrote to memory of 2220	2224	@AE784B.tmp.exe	33
PID 2224 wrote to memory of 2220	2224	@AE784B.tmp.exe	33
PID 2224 wrote to memory of 2580	2224	@AE784B.tmp.exe	34
PID 2224 wrote to memory of 2580	2224	@AE784B.tmp.exe	34
PID 2224 wrote to memory of 2580	2224	@AE784B.tmp.exe	34
PID 2224 wrote to memory of 2580	2224	@AE784B.tmp.exe	34
PID 2220 wrote to memory of 2232	2220	cmd.exe	37
PID 2220 wrote to memory of 2232	2220	cmd.exe	37
PID 2220 wrote to memory of 2232	2220	cmd.exe	37
PID 2220 wrote to memory of 2232	2220	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
"C:\Users\Admin\AppData\Local\Temp\0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2088
- - C:\Users\Admin\AppData\Local\Temp\@AE784B.tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\@AE784B.tmp.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2224
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin0.bat" "
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2220
    - - C:\Users\Admin\AppData\Roaming\Microsoft\Messenger\Extension\WdExt.exe
        
        "C:\Users\Admin\AppData\Roaming\Microsoft\Messenger\Extension\WdExt.exe"
        5⤵
        Executes dropped EXE
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        
        PID:2232
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat" "
      4⤵
      System Location Discovery: System Language Discovery
      PID:2580
- - C:\Users\Admin\AppData\Local\Temp\0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe
    "C:\Users\Admin\AppData\Local\Temp\0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe"
    3⤵
    - Modifies visibility of file extensions in Explorer
    - Modifies visiblity of hidden/system files in Explorer
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    PID:2760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\0b84008fd4237fdd2a952ba968aec2b0e429801cbab4a016ee32db6e4eeb283bN.exe

Filesize
98KB

MD5
bc1632e3622b50f0c3229eab9f9887d9

SHA1
bad1291ae3c33bfed2288b3ea4a30d6c52dc7d02

SHA256
4be220fe98d5e6743e8031292df3bfddd9d32f1600ef5c8854b4f90bdb19ef05

SHA512
3df7c3cef642fddad2a7e2be2a7fb8ee7690493ae299f7222aa5375fbcbe7289a20dab645d498a06024f86bfa8a98b99fb122bdaddfe7cd080b717496b0e6d9e

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7B96.tmp

Filesize
1.0MB

MD5
df2c63605573c2398d796370c11cb26c

SHA1
efba97e2184ba3941edb008fcc61d8873b2b1653

SHA256
07ffcde2097d0af67464907fec6a4079b92da11583013bae7d3313fa32312fe8

SHA512
d9726e33fcfa96415cc906bdb1b0e53eba674eaf30ed77d41d245c1c59aa53e222246f691d82fa3a45f049fbf23d441768f9da21370e489232770ad5ae91d32f

Download Submit
C:\Users\Admin\AppData\Roaming\Temp\Admin0.bat

Filesize
129B

MD5
d1073c9b34d1bbd570928734aacff6a5

SHA1
78714e24e88d50e0da8da9d303bec65b2ee6d903

SHA256
b3c704b1a728004fc5e25899d72930a7466d7628dd6ddd795b3000897dfa4020

SHA512
4f2b9330e30fcc55245dc5d12311e105b2b2b9d607fbfc4a203c69a740006f0af58d6a01e2da284575a897528da71a2e61a7321034755b78feb646c8dd12347f

Download Submit
C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat

Filesize
196B

MD5
237abb5bd9d8cdb8a7bc3749181f4aaa

SHA1
2d5cc9ac022c7bda30235f240847896cee9266a9

SHA256
d82acb8439ce0ab114700c7647ea4f5ed816d1dbad6308d023ed050ffbaef061

SHA512
50c00c6f4c6b763aa0deefa18e46ccbd714735043a9f2f7ab16e12419ffd703427781909a37a8290f029aee452dd7b167b0efdd75d51d27530f9f5fac0563944

Download Submit
\Users\Admin\AppData\Local\Temp\@AE784B.tmp.exe

Filesize
1.7MB

MD5
1ff1843e6a7eead8d84d5782d8be0a8c

SHA1
49056c9a4c7deac17948549a76456011efc5447b

SHA256
3629d15c90e8c7b0b2b127b1dcc5da9ae5e0458804468406e5816db165d745cc

SHA512
a0c21b5f288a4ca935960260217890491bae9625e0fabc1040cf4aa5d53971bd0d87f171df0866b28db4e478ca37b322c034fbc36501452c94f3a4a4be57079b

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Messenger\Extension\WdExt.exe

Filesize
1.7MB

MD5
c4cd9abdd1829b9e54886aa1bec9fc8b

SHA1
6d3c2a02924d31126a5189a2957edf238111c624

SHA256
84d298402b5591f447ffd64c8ae8ec4e50306ae816f7ab869b1b9a6c4989950d

SHA512
134fb86aa6ddb5f1ed103e4f916049ef1787c9a9d4bdfd1d0b3db0ebe7be929b817013bf5d72918983b6b30f41406568dddbe16e5a78755730a02ac6001f90b4

Download Submit
\Users\Admin\AppData\Roaming\Temp\mydll.dll

Filesize
202KB

MD5
7ff15a4f092cd4a96055ba69f903e3e9

SHA1
a3d338a38c2b92f95129814973f59446668402a8

SHA256
1b594e6d057c632abb3a8cf838157369024bd6b9f515ca8e774b22fe71a11627

SHA512
4b015d011c14c7e10568c09bf81894681535efb7d76c3ef9071fffb3837f62b36e695187b2d32581a30f07e79971054e231a2ca4e8ad7f0f83d5876f8c086dae

Download Submit
memory/2224-11-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download