a28bbf340bf5aebdcb8ce11dcd7403bda9515632d1bf15818873017aa2025421

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2024, 01:57

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General

Target

85a0da821d545698e5ce8a303f50a0e4.exe
Size

1.0MB
MD5

85a0da821d545698e5ce8a303f50a0e4
SHA1

1420812721330f694b46350ae622ef3c6c5a029c
SHA256

a28bbf340bf5aebdcb8ce11dcd7403bda9515632d1bf15818873017aa2025421
SHA512

6190f526e0a351fee3db8ff24abc973efd9c2bffa5657623ed7b421b40619f186cdc674ad55e18813144764e5912f14c024b979cdfa460b0c635c836b3d2e2e4
SSDEEP

24576:BOuFhCwUuqDluBMfEhJX3z5mKhwbLeoMf:phxqDosEL3F/w+f

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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	85a0da821d545698e5ce8a303f50a0e4.exe

Executes dropped EXE 4 IoCs

pid	Process
4980	smes.exe
4936	smes.exe
3652	smes.exe
1000	smes.exe

Loads dropped DLL 6 IoCs

pid	Process
1992	85a0da821d545698e5ce8a303f50a0e4.exe
1992	85a0da821d545698e5ce8a303f50a0e4.exe
3652	smes.exe
1000	smes.exe
1000	smes.exe
1000	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
1992	85a0da821d545698e5ce8a303f50a0e4.exe
1992	85a0da821d545698e5ce8a303f50a0e4.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4980	smes.exe
Token: SeDebugPrivilege	4936	smes.exe
Token: SeDebugPrivilege	3652	smes.exe
Token: 33	3652	smes.exe
Token: SeIncBasePriorityPrivilege	3652	smes.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1000	smes.exe
1000	smes.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 4512	1992	85a0da821d545698e5ce8a303f50a0e4.exe	88
PID 1992 wrote to memory of 4512	1992	85a0da821d545698e5ce8a303f50a0e4.exe	88
PID 1992 wrote to memory of 4512	1992	85a0da821d545698e5ce8a303f50a0e4.exe	88
PID 1992 wrote to memory of 3468	1992	85a0da821d545698e5ce8a303f50a0e4.exe	90
PID 1992 wrote to memory of 3468	1992	85a0da821d545698e5ce8a303f50a0e4.exe	90
PID 1992 wrote to memory of 3468	1992	85a0da821d545698e5ce8a303f50a0e4.exe	90
PID 4512 wrote to memory of 4980	4512	cmd.exe	92
PID 4512 wrote to memory of 4980	4512	cmd.exe	92
PID 4512 wrote to memory of 4980	4512	cmd.exe	92
PID 4512 wrote to memory of 4936	4512	cmd.exe	93
PID 4512 wrote to memory of 4936	4512	cmd.exe	93
PID 4512 wrote to memory of 4936	4512	cmd.exe	93
PID 3652 wrote to memory of 1000	3652	smes.exe	95
PID 3652 wrote to memory of 1000	3652	smes.exe	95
PID 3652 wrote to memory of 1000	3652	smes.exe	95

C:\Users\Admin\AppData\Local\Temp\85a0da821d545698e5ce8a303f50a0e4.exe
"C:\Users\Admin\AppData\Local\Temp\85a0da821d545698e5ce8a303f50a0e4.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c "C:\ProgramData\smes\u.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4512
- - C:\ProgramData\smes\smes.exe
    smes.exe -install
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:4980
- - C:\ProgramData\smes\smes.exe
    smes.exe -start
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:4936
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\temg_tmp.bat"
  2⤵
  PID:3468

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:3652
- C:\ProgramData\smes\smes.exe
  C:\ProgramData\smes\smes.exe -run
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  PID:1000

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
ae1c225789aaa02694ab74afef3d6d1a

SHA1
888cbc93bcdf48e256b56a3fd42db969109f5084

SHA256
b8ce5b29aa0ce563da006a9a53e83f2828fa17113e49f5be51984da222f6d3d1

SHA512
2deb4033dab27c7902e328378eb086ecce6940d524fa2e88a52ee3acc3f3af9dfb07a7310346fcc1ebff2ae1ba6d3234793185fd9c5ae92731ba7732c4dea757

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

Filesize
356B

MD5
2c2123c5b1a331c35ac08fcecc198703

SHA1
5746bc204ac34f34b6e5c07bd166747543f0414b

SHA256
a11368e1a4e9bffa40c19324aa9f7b80ebc85932d046f4f5f70703b2d4510630

SHA512
cffaaf0463ebb285b494e3190642466abd305f33839eef3e0f8deeb677a1f06134463d171fa81e2a1c9f004bebc51477a03e85d290b3c6829c9f2d04f879ec64

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

Filesize
546B

MD5
82db9a946fd74c4b2adde56f03d65aa7

SHA1
07324c713387c05da0edf7061232153db8c97c0f

SHA256
678c33d8d57b6b49001b2fb2a008942eff721eafced65d34b55b408c5bd180aa

SHA512
efb8b109a7ba9570d23bbaf5ac7d24b1cdc3492890a598b1e511fb37bbde906cf78ac70d7b404db537eb8a2c9b87dad78713b37351f0a54700ea7912478a8821

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\nsk4651.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsk4651.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
6d36256006f9d8b99a8f5b241c7ca5bb

SHA1
aa1d12371184d7932353b7cb53179cfbf3e60fee

SHA256
819b68141cb61f878860965ecc52e039f7f2a5d653f3fdfc8f014a7195a0501a

SHA512
d40b3c79d85f1fcd245a8943b7dbc5faf55b150f5510d2372ee4935350f3c5f4a1f950022a7136e3641cbb941335b0e4634f46754000659accfb5af3a2495194

Download Submit
memory/1000-49-0x00000000020A0000-0x0000000002111000-memory.dmp

Filesize
452KB

Download
memory/1992-5-0x0000000010000000-0x0000000010003000-memory.dmp

Filesize
12KB

Download