dc7cc1d61bab1f90ee4b82d30664ec1fff282b2b0dde310a7f5b76c5be5918d9

Analysis

max time kernel
148s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 16:02

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General

Target

77c9855df8ad04b5ea007e8be152d09a.exe
Size

1.0MB
MD5

77c9855df8ad04b5ea007e8be152d09a
SHA1

c369c3d222790f8350936d380a4bbe392926f0a5
SHA256

dc7cc1d61bab1f90ee4b82d30664ec1fff282b2b0dde310a7f5b76c5be5918d9
SHA512

522ab846a3bacc8e47c092f62af49982885aef47783460e3aaf05ac2ce9c0f6500c5f35e332913a3b539b5d9ae0e83af56e421c6b3fb59425b279d0a80ec73ed
SSDEEP

24576:B5uFhCwUuqDluBMfEhJX3z5mKhwbLeoMD9W7R:IhxqDosEL3F/w+pWt

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	77c9855df8ad04b5ea007e8be152d09a.exe

Executes dropped EXE 4 IoCs

pid	Process
2284	smes.exe
3576	smes.exe
4844	smes.exe
1312	smes.exe

Loads dropped DLL 6 IoCs

pid	Process
3080	77c9855df8ad04b5ea007e8be152d09a.exe
3080	77c9855df8ad04b5ea007e8be152d09a.exe
4844	smes.exe
1312	smes.exe
1312	smes.exe
1312	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
3080	77c9855df8ad04b5ea007e8be152d09a.exe
3080	77c9855df8ad04b5ea007e8be152d09a.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2284	smes.exe
Token: SeDebugPrivilege	3576	smes.exe
Token: SeDebugPrivilege	4844	smes.exe
Token: 33	4844	smes.exe
Token: SeIncBasePriorityPrivilege	4844	smes.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1312	smes.exe
1312	smes.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3080 wrote to memory of 1388	3080	77c9855df8ad04b5ea007e8be152d09a.exe	88
PID 3080 wrote to memory of 1388	3080	77c9855df8ad04b5ea007e8be152d09a.exe	88
PID 3080 wrote to memory of 1388	3080	77c9855df8ad04b5ea007e8be152d09a.exe	88
PID 3080 wrote to memory of 2408	3080	77c9855df8ad04b5ea007e8be152d09a.exe	91
PID 3080 wrote to memory of 2408	3080	77c9855df8ad04b5ea007e8be152d09a.exe	91
PID 3080 wrote to memory of 2408	3080	77c9855df8ad04b5ea007e8be152d09a.exe	91
PID 1388 wrote to memory of 2284	1388	cmd.exe	92
PID 1388 wrote to memory of 2284	1388	cmd.exe	92
PID 1388 wrote to memory of 2284	1388	cmd.exe	92
PID 1388 wrote to memory of 3576	1388	cmd.exe	93
PID 1388 wrote to memory of 3576	1388	cmd.exe	93
PID 1388 wrote to memory of 3576	1388	cmd.exe	93
PID 4844 wrote to memory of 1312	4844	smes.exe	94
PID 4844 wrote to memory of 1312	4844	smes.exe	94
PID 4844 wrote to memory of 1312	4844	smes.exe	94

C:\Users\Admin\AppData\Local\Temp\77c9855df8ad04b5ea007e8be152d09a.exe
"C:\Users\Admin\AppData\Local\Temp\77c9855df8ad04b5ea007e8be152d09a.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3080
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c "C:\ProgramData\smes\u.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1388
- - C:\ProgramData\smes\smes.exe
    smes.exe -install
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:2284
- - C:\ProgramData\smes\smes.exe
    smes.exe -start
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:3576
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\temg_tmp.bat"
  2⤵
  PID:2408

C:\ProgramData\smes\smes.exe
C:\ProgramData\smes\smes.exe -run
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:1312

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:4844

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
48de071521c343f038b120db723fae9c

SHA1
7938bae862be4653df73acbce49853aebd397037

SHA256
2156f66566971861f4c2962aafd1ca7194513e5de73e3743688d9741cecfb60c

SHA512
3ce5878252b26224c06427adbdcf11cc61ed1323811fa5595339e6728947217149b9d268f70e3ff478eb886ef896798e8ac9cee6182b9df901c012007878183b

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

Filesize
356B

MD5
0562dad0b0486d43041ece44626415f0

SHA1
901be7ef34ff81aa88524404688022d1428a2edc

SHA256
9a9957cca15c2b54cad093ecc0043a87ef4dba9b4f439cba305c96d386337ddf

SHA512
1e21d4d1e90cc24d9c19aa7454607ef225b0fe52cf5aae6f97975750a6f8fc635cf4829de9c7a1ea3739381f7bea880f8d41c9ca47b796461a6a773f1426b1df

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

Filesize
546B

MD5
3ec63568fb5b97bc0e7818a8a2ed075e

SHA1
41233c0f8e5b3912685e436628b121a927b9bd73

SHA256
5a66d640077a7cdbfd8d614fd47fa099eff958aa6101054d0e2d6d9756dbc52d

SHA512
3095fcc59fb88347e6f36557b9548bb76c0dc1b55798198b56e4ea90ff9f282fc57db4e1e215161f411a7d07116aaec20be4d6417c461c4ca74e93a425916833

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\nsx4D94.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsx4D94.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
0d4666992851d877f6e650c7e5717cc0

SHA1
85325a78959595425b7826fdd2000bf23e500e12

SHA256
78a95993df79360d00d9f290181ae1e5e8a83daa99e4e3eb7d8672f72e03427c

SHA512
5fd106199c2ef3cc39bf4750f7041b82debf82356f8ce5bf42eb116c5d0c2879799c074cc78338829d5c1038187f7c07475cb42074e26b3d38450264a4e08afb

Download Submit
memory/1312-49-0x0000000000730000-0x00000000007A1000-memory.dmp

Filesize
452KB

Download
memory/3080-5-0x0000000010000000-0x0000000010003000-memory.dmp

Filesize
12KB

Download