2a4d5950e615e086c128becc895e87367aa538594698c351fe431f13da1e4e1a

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
05/03/2024, 09:49

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General

Target

b4662afb3d6940f72f03193073f29bcb.exe
Size

1.0MB
MD5

b4662afb3d6940f72f03193073f29bcb
SHA1

56db4ee56581f858766f6255e0b8f28105d40bc7
SHA256

2a4d5950e615e086c128becc895e87367aa538594698c351fe431f13da1e4e1a
SHA512

f972f2f4fe4558a001072babff9220151d3d4e26222cbf070135f242a3281cff1bc86f3049a9d9d182f1fd892721ffd3aa8c4e14e714b2f5a61bb67495d6f706
SSDEEP

24576:BFuFhCwUuqDluBMfEhJX3z5mKhwbLeoMa/:YhxqDosEL3F/w+Q

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
2540	smes.exe
2696	smes.exe
2468	smes.exe
2964	smes.exe

Loads dropped DLL 14 IoCs

pid	Process
2352	b4662afb3d6940f72f03193073f29bcb.exe
2352	b4662afb3d6940f72f03193073f29bcb.exe
2660	cmd.exe
2660	cmd.exe
2540	smes.exe
2540	smes.exe
2660	cmd.exe
2660	cmd.exe
2696	smes.exe
2696	smes.exe
2468	smes.exe
2468	smes.exe
2964	smes.exe
2964	smes.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2352	b4662afb3d6940f72f03193073f29bcb.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2540	smes.exe
Token: SeDebugPrivilege	2696	smes.exe
Token: SeDebugPrivilege	2468	smes.exe
Token: 33	2468	smes.exe
Token: SeIncBasePriorityPrivilege	2468	smes.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2964	smes.exe
2964	smes.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 2660	2352	b4662afb3d6940f72f03193073f29bcb.exe	29
PID 2352 wrote to memory of 2660	2352	b4662afb3d6940f72f03193073f29bcb.exe	29
PID 2352 wrote to memory of 2660	2352	b4662afb3d6940f72f03193073f29bcb.exe	29
PID 2352 wrote to memory of 2660	2352	b4662afb3d6940f72f03193073f29bcb.exe	29
PID 2352 wrote to memory of 2660	2352	b4662afb3d6940f72f03193073f29bcb.exe	29
PID 2352 wrote to memory of 2660	2352	b4662afb3d6940f72f03193073f29bcb.exe	29
PID 2352 wrote to memory of 2660	2352	b4662afb3d6940f72f03193073f29bcb.exe	29
PID 2352 wrote to memory of 2568	2352	b4662afb3d6940f72f03193073f29bcb.exe	31
PID 2352 wrote to memory of 2568	2352	b4662afb3d6940f72f03193073f29bcb.exe	31
PID 2352 wrote to memory of 2568	2352	b4662afb3d6940f72f03193073f29bcb.exe	31
PID 2352 wrote to memory of 2568	2352	b4662afb3d6940f72f03193073f29bcb.exe	31
PID 2352 wrote to memory of 2568	2352	b4662afb3d6940f72f03193073f29bcb.exe	31
PID 2352 wrote to memory of 2568	2352	b4662afb3d6940f72f03193073f29bcb.exe	31
PID 2352 wrote to memory of 2568	2352	b4662afb3d6940f72f03193073f29bcb.exe	31
PID 2660 wrote to memory of 2540	2660	cmd.exe	33
PID 2660 wrote to memory of 2540	2660	cmd.exe	33
PID 2660 wrote to memory of 2540	2660	cmd.exe	33
PID 2660 wrote to memory of 2540	2660	cmd.exe	33
PID 2660 wrote to memory of 2540	2660	cmd.exe	33
PID 2660 wrote to memory of 2540	2660	cmd.exe	33
PID 2660 wrote to memory of 2540	2660	cmd.exe	33
PID 2660 wrote to memory of 2696	2660	cmd.exe	34
PID 2660 wrote to memory of 2696	2660	cmd.exe	34
PID 2660 wrote to memory of 2696	2660	cmd.exe	34
PID 2660 wrote to memory of 2696	2660	cmd.exe	34
PID 2660 wrote to memory of 2696	2660	cmd.exe	34
PID 2660 wrote to memory of 2696	2660	cmd.exe	34
PID 2660 wrote to memory of 2696	2660	cmd.exe	34
PID 2468 wrote to memory of 2964	2468	smes.exe	36
PID 2468 wrote to memory of 2964	2468	smes.exe	36
PID 2468 wrote to memory of 2964	2468	smes.exe	36
PID 2468 wrote to memory of 2964	2468	smes.exe	36

C:\Users\Admin\AppData\Local\Temp\b4662afb3d6940f72f03193073f29bcb.exe
"C:\Users\Admin\AppData\Local\Temp\b4662afb3d6940f72f03193073f29bcb.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c "C:\ProgramData\smes\u.bat"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2660
- - C:\ProgramData\smes\smes.exe
    smes.exe -install
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    PID:2540
- - C:\ProgramData\smes\smes.exe
    smes.exe -start
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    PID:2696
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\temg_tmp.bat"
  2⤵
  PID:2568

C:\ProgramData\smes\smes.exe
C:\ProgramData\smes\smes.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2468
- C:\ProgramData\smes\smes.exe
  C:\ProgramData\smes\smes.exe -run
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  PID:2964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\kingsoft\kws\kws.ini

Filesize
720B

MD5
ffc3088dc68b14616fc334ce25f7c4ec

SHA1
83ea5e504ba582fd0db81371888b2d2d36012af8

SHA256
f39e009b78bbca138cf7ca72023390afe0e9ab1980eb0e326e637186a1249872

SHA512
b3c29e4513ba21d9588661eeffe029bdc5a2317cb3345cbe945f50df9688732d478e614e67a64f87d9cdf2c284eaeb9c497feef69ee71a621f4fc009bf1c09b4

Download Submit
C:\ProgramData\smes\KWSSVC.log

Filesize
202B

MD5
f1393d96a781b8ec57ea4f03c8d32d85

SHA1
4321d44efde46180c51a8817a365dfdf02efe09c

SHA256
39504d700bc4811a17a029e2dc007eccee26f96efc77f121b004f89c78a8af95

SHA512
ef6fa1c86e6f4c27c5dc47a1fcfb4ee8782806aeed002b932a22ca2e43aebefbeddf55aeb4ae03411c2d72ffe404aecd7fbfbe553fba3b047e8bbac1e18af01b

Download Submit
C:\ProgramData\smes\KWSSVC.log

Filesize
296B

MD5
ac8371c632e9ef186b57e9e5022b92b1

SHA1
6a556fa3ce068c9f1b8c8a8f902e43597d8cc71a

SHA256
3fb51b58303f5bbc75d1c52effa2b88915c1b56cc89a55a6fe250b7bfbffa510

SHA512
d014b8d6dd0f0d50fd9f0e99176ac193c36c6a104cf0b0ebfd2c26e9ccdca86df2401bc7264cab543bc88778661ada8325dac02b0ed3669901fccf7a252d82b9

Download Submit
C:\ProgramData\smes\KWSSVC.log

Filesize
546B

MD5
9b1ab262767a6c57a9eef92edd230ed4

SHA1
28eaa84dd32c0ee999dc9ac5e7dbd20f4cc764c6

SHA256
f8d46d378ac82b60b902944d00eaa2db8b6602bf5dcb28cfaddfd0de7b75aca0

SHA512
6763239fe6deeb982a855eafa9d44f92ad9373f4a56a08888e95e8233e192ed33bb5e584e7ad8015c5e3a825df05f6fe4fca0de72d04f351e21871ca01e62178

Download Submit
C:\ProgramData\smes\kswebshield.dll

Filesize
441KB

MD5
7851449473178f9782263d51bc5e3bbc

SHA1
ad5148ee1bed2348b320c62c025d52fbcbb28799

SHA256
c3bc7ec8428f0bb210a0597c9a0cad1be412b7fa46ea006819a3df9ac23118b4

SHA512
b01fc37ac84b81df8d7657000295aed7eb50aaf7f13ab2b2be9030c9f83ed1559318c83c78b4a29926d7d30e9eea9538d123ef4a649179be5a5b54ee71ed9b49

Download Submit
C:\ProgramData\smes\kwsui.dll

Filesize
433KB

MD5
45199dab51eeece95728abfe25e18f35

SHA1
59ab0fe25aa2adc253adbecba6862e7432df1c39

SHA256
a22006861cac6a849346282e2f7729deeb8f68bf29f13c15ae33d20311f77391

SHA512
825c6ae1f88cec3d6c469e6a15cad0430845ecc8d436777092f4c5fe8ecd02abbfeb3e2a17b2f4896b9d6e4b2d229a8b83bfdda75a3e025fc32f86610c6eef12

Download Submit
C:\ProgramData\smes\smes.exe

Filesize
209KB

MD5
1fa47f5b173cee5ef9c3ee1bda0c321e

SHA1
60ee40236f960affb01d569a32e1b05888bb081a

SHA256
b21526716068d2a8550780038e2b5ddb843d77890a07ec82ed9ce9dd0be52c64

SHA512
01f39376269a75510347fcf66ff2585b25d5e6e10e26b7feefa3af66e712a5f50c62bff6d40abee733e1ce965d17a2e443664838268eb7c7a2e36fc1c024224d

Download Submit
C:\ProgramData\smes\u.bat

Filesize
44B

MD5
704efba1aee1454561da552dda430498

SHA1
d20fb96683f769eb9cef1b0a068bcba70aeab9c2

SHA256
80b08d35bd27636e0774ce35ab57306f76edc6a0f7058cb1f93733cdf88bf94c

SHA512
7e0c9ede686238703af4893af8842c05c48ab1681ae273b32d8085cf1a17aae946c0c823a0a418787522a551d684367259ff8203ebca6e4ec69b6ded95231bd0

Download Submit
C:\Users\Admin\AppData\Local\Temp\temg_tmp.bat

Filesize
121B

MD5
e82b67b7fe4d1dc1dabf4766aaad20e6

SHA1
c6403d5ed1645347d728938fa34e20f323434fd6

SHA256
133c3295b1961c6fc38a7afafae369ffdb63b05a6dd4b6e7a65e01c76719b9e5

SHA512
59ce67b5b90c350fdf91c6fe2dfa0f72f220459817cfc3aa5c320181d404fae49a1ab3104bd664d7dceec36a68657e501289bfe8ff8ff0e4e099d016ff00207f

Download Submit
\ProgramData\smes\kwssp.dll

Filesize
425KB

MD5
bf5dcfd9da0514334d41cbd80d2a9138

SHA1
802f9e0b82edca56be08a33b2ba874b34c31f1e3

SHA256
f9506cf9a87aa6bfbf07f2124f2785a711b27a70839ebb95bdd4b2cf747fb060

SHA512
246796f2e201cde30043eaa2c0ffb4d2b3bea2bae97261a022824c31a42d2b08998b1bdcd436e8392bdd153dd6fadf9ba69361c7316a6bfda5d475678b7aa5cc

Download Submit
\Users\Admin\AppData\Local\Temp\nsi11BD.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nsi11BD.tmp\FindProcDLL.dll

Filesize
3KB

MD5
8614c450637267afacad1645e23ba24a

SHA1
e7b7b09b5bbc13e910aa36316d9cc5fc5d4dcdc2

SHA256
0fa04f06a6de18d316832086891e9c23ae606d7784d5d5676385839b21ca2758

SHA512
af46cd679097584ff9a1d894a729b6397f4b3af17dff3e6f07bef257bc7e48ffa341d82daf298616cd5df1450fc5ab7435cacb70f27302b6db193f01a9f8391b

Download Submit
memory/2352-5-0x0000000010000000-0x0000000010003000-memory.dmp

Filesize
12KB

Download
memory/2964-57-0x0000000000350000-0x00000000003C1000-memory.dmp

Filesize
452KB

Download