819be0cfc76a05b473b1aad079cd7e70b0d3db3c05819798765cbd61e18f5a47

Analysis

max time kernel
149s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13-03-2024 08:12

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General

Target

c565b761026f2b0db7518a5eb67008d2.exe
Size

1.0MB
MD5

c565b761026f2b0db7518a5eb67008d2
SHA1

9cfca05266a25e02e20a0864752dd96c4541c627
SHA256

819be0cfc76a05b473b1aad079cd7e70b0d3db3c05819798765cbd61e18f5a47
SHA512

b4b861e6afe79f0c3aa4e7e0e5dc877e2edad1e5fc3358ba080707e621a36e3846965a27fbabf0488094bd4259b644b411e74868265f0eb5f2c2083b03e5a070
SSDEEP

24576:BVuFhCwUuqDluBMfEhJX3z5mKhwbLeoMZxnry:MhxqDosEL3F/w+Zxy

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation	c565b761026f2b0db7518a5eb67008d2.exe

Executes dropped EXE 4 IoCs

pid	Process
216	smes.exe
4604	smes.exe
400	smes.exe
2140	smes.exe

Loads dropped DLL 6 IoCs

pid	Process
3948	c565b761026f2b0db7518a5eb67008d2.exe
3948	c565b761026f2b0db7518a5eb67008d2.exe
400	smes.exe
2140	smes.exe
2140	smes.exe
2140	smes.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3948	c565b761026f2b0db7518a5eb67008d2.exe
3948	c565b761026f2b0db7518a5eb67008d2.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	216	smes.exe
Token: SeDebugPrivilege	4604	smes.exe
Token: SeDebugPrivilege	400	smes.exe
Token: 33	400	smes.exe
Token: SeIncBasePriorityPrivilege	400	smes.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2140	smes.exe
2140	smes.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3948 wrote to memory of 224	3948	c565b761026f2b0db7518a5eb67008d2.exe	91
PID 3948 wrote to memory of 224	3948	c565b761026f2b0db7518a5eb67008d2.exe	91
PID 3948 wrote to memory of 224	3948	c565b761026f2b0db7518a5eb67008d2.exe	91
PID 3948 wrote to memory of 3492	3948	c565b761026f2b0db7518a5eb67008d2.exe	93
PID 3948 wrote to memory of 3492	3948	c565b761026f2b0db7518a5eb67008d2.exe	93
PID 3948 wrote to memory of 3492	3948	c565b761026f2b0db7518a5eb67008d2.exe	93
PID 224 wrote to memory of 216	224	cmd.exe	95
PID 224 wrote to memory of 216	224	cmd.exe	95
PID 224 wrote to memory of 216	224	cmd.exe	95
PID 224 wrote to memory of 4604	224	cmd.exe	96
PID 224 wrote to memory of 4604	224	cmd.exe	96
PID 224 wrote to memory of 4604	224	cmd.exe	96
PID 400 wrote to memory of 2140	400	smes.exe	98
PID 400 wrote to memory of 2140	400	smes.exe	98
PID 400 wrote to memory of 2140	400	smes.exe	98

C:\Users\Admin\AppData\Local\Temp\c565b761026f2b0db7518a5eb67008d2.exe
"C:\Users\Admin\AppData\Local\Temp\c565b761026f2b0db7518a5eb67008d2.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3948
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c "C:\ProgramData\smes\u.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:224
- - C:\ProgramData\smes\smes.exe
    smes.exe -install
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:216
- - C:\ProgramData\smes\smes.exe
    smes.exe -start
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:4604
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\temg_tmp.bat"
  2⤵
  PID:3492

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:400
- C:\ProgramData\smes\smes.exe
  C:\ProgramData\smes\smes.exe -run
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  PID:2140

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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
718B

MD5
0318d2f94f0145e80c51bfbb3aed769d

SHA1
ba8ec32df73b8539eeca46f39e29a4e9af371ea1

SHA256
58ea7e766662ed6cd9274313db7824261e16246b2b0d232b973d8e76a1291e43

SHA512
00312951c03f6f0caf88d7ad0537c7b29c425d4b4ba08975f2d7a1ac222aa15611488b7fd7b31229aada46d4c0df4d68affe8bdbd860f7aadcaa03e39ead312b

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

Filesize
202B

MD5
a25c2aa5c0483cc70646929362a406bd

SHA1
def384f5daf4bc9fcca79b218e7bd8066b8a03f4

SHA256
2305c9acceddf3ec083890be852d06c6edf842a0e49a90c3e98fd697a03faa9b

SHA512
a07ee70c3c49325ab4b1f9b0121539c0c33616524d41454132d13d3ac7214a6879e9acb7ecfa750dd8c8bf57e9931bee979e4fe06c723bd5f9b5236ec2183e15

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

Filesize
448B

MD5
97046b34ba51e46120526ccdfcdc92df

SHA1
131b62b456eee6ee346c7a69d7ca96dffad8772e

SHA256
9c1a202d18792da5ed2c60b5a9604e323889e6df10724ec4992c54921f590d95

SHA512
bc7216c4fd54f29398a0904e2e62aa713198ee3765b323032d1c0adf70b9db637e6dc821df4cd4ed2a34d9ca0714ac777cb2d95923ca53463720af68ce805518

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

Filesize
546B

MD5
8878ec4e12a505c04d632b02eca82237

SHA1
f8443ea49eded4c3c6d79934de0c4a6ea326d1f5

SHA256
4a083123fdc934437623e5ba024cceece679b782ea590b684d2725dd3d6fbe5c

SHA512
a4c0715cae95f807f0a9cf7c9af93323b1e78abad013a914e16544bc1082e7054d6acc8b5cdac0b048c65fe113c94c338bb693c9ced8755ac980c0c67d044363

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

Filesize
441KB

MD5
7851449473178f9782263d51bc5e3bbc

SHA1
ad5148ee1bed2348b320c62c025d52fbcbb28799

SHA256
c3bc7ec8428f0bb210a0597c9a0cad1be412b7fa46ea006819a3df9ac23118b4

SHA512
b01fc37ac84b81df8d7657000295aed7eb50aaf7f13ab2b2be9030c9f83ed1559318c83c78b4a29926d7d30e9eea9538d123ef4a649179be5a5b54ee71ed9b49

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

Filesize
425KB

MD5
bf5dcfd9da0514334d41cbd80d2a9138

SHA1
802f9e0b82edca56be08a33b2ba874b34c31f1e3

SHA256
f9506cf9a87aa6bfbf07f2124f2785a711b27a70839ebb95bdd4b2cf747fb060

SHA512
246796f2e201cde30043eaa2c0ffb4d2b3bea2bae97261a022824c31a42d2b08998b1bdcd436e8392bdd153dd6fadf9ba69361c7316a6bfda5d475678b7aa5cc

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\nsb30F4.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsb30F4.tmp\FindProcDLL.dll

Filesize
3KB

MD5
8614c450637267afacad1645e23ba24a

SHA1
e7b7b09b5bbc13e910aa36316d9cc5fc5d4dcdc2

SHA256
0fa04f06a6de18d316832086891e9c23ae606d7784d5d5676385839b21ca2758

SHA512
af46cd679097584ff9a1d894a729b6397f4b3af17dff3e6f07bef257bc7e48ffa341d82daf298616cd5df1450fc5ab7435cacb70f27302b6db193f01a9f8391b

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

Filesize
121B

MD5
d9e2fefc39ff58888322ea9f7c4409a4

SHA1
97553144dcb6188d1cc8d81dc2a5f0c604475565

SHA256
ee76614a5f4850909b857b2ba95355f2e8a9dea20deb1f4e5115c1cdcf917a4a

SHA512
0f15c66a8c692f1096368ea550ae082be5edebe4ab393cf1125f60456e55a5fdc05378f133528180818b38f76eef4a70df319362999b3a85aab7a94ef3607f2c

Download Submit
memory/2140-49-0x0000000002160000-0x00000000021D1000-memory.dmp

Filesize
452KB

Download
memory/3948-5-0x0000000010000000-0x0000000010003000-memory.dmp

Filesize
12KB

Download