ab438bfb9dc9477e88cd131a4b6d8d2c09753f0e2bf9c3ed60b39a81dd5a3628

Analysis

max time kernel
177s
max time network
143s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29/02/2024, 07:10

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General

Target

adfb71af002a5e8d42dc6f1dddffde73.exe
Size

1.0MB
MD5

adfb71af002a5e8d42dc6f1dddffde73
SHA1

1b18b84d1020ec0a2083f63de5d7c647a7f2f227
SHA256

ab438bfb9dc9477e88cd131a4b6d8d2c09753f0e2bf9c3ed60b39a81dd5a3628
SHA512

dd5d27227dc1f09d11e076d9b9235c19a08a717ad6446cb8ffdd671e8ce95a22021faf58713bf66ff997faba78a0095ca05bcc6ddd601e871681bc3ad07685a3
SSDEEP

24576:BxuFhCwUuqDluBMfEhJX3z5mKhwbLeoMR4:ohxqDosEL3F/w+G

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
324	smes.exe
1540	smes.exe
2928	smes.exe
1972	smes.exe

Loads dropped DLL 13 IoCs

pid	Process
2512	adfb71af002a5e8d42dc6f1dddffde73.exe
2512	adfb71af002a5e8d42dc6f1dddffde73.exe
2440	cmd.exe
2440	cmd.exe
324	smes.exe
324	smes.exe
2440	cmd.exe
2440	cmd.exe
1540	smes.exe
1540	smes.exe
2928	smes.exe
1972	smes.exe
1972	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
2512	adfb71af002a5e8d42dc6f1dddffde73.exe
2512	adfb71af002a5e8d42dc6f1dddffde73.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	324	smes.exe
Token: SeDebugPrivilege	1540	smes.exe
Token: SeDebugPrivilege	2928	smes.exe
Token: 33	2928	smes.exe
Token: SeIncBasePriorityPrivilege	2928	smes.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1972	smes.exe
1972	smes.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2440	2512	adfb71af002a5e8d42dc6f1dddffde73.exe	29
PID 2512 wrote to memory of 2440	2512	adfb71af002a5e8d42dc6f1dddffde73.exe	29
PID 2512 wrote to memory of 2440	2512	adfb71af002a5e8d42dc6f1dddffde73.exe	29
PID 2512 wrote to memory of 2440	2512	adfb71af002a5e8d42dc6f1dddffde73.exe	29
PID 2512 wrote to memory of 2440	2512	adfb71af002a5e8d42dc6f1dddffde73.exe	29
PID 2512 wrote to memory of 2440	2512	adfb71af002a5e8d42dc6f1dddffde73.exe	29
PID 2512 wrote to memory of 2440	2512	adfb71af002a5e8d42dc6f1dddffde73.exe	29
PID 2512 wrote to memory of 2380	2512	adfb71af002a5e8d42dc6f1dddffde73.exe	31
PID 2512 wrote to memory of 2380	2512	adfb71af002a5e8d42dc6f1dddffde73.exe	31
PID 2512 wrote to memory of 2380	2512	adfb71af002a5e8d42dc6f1dddffde73.exe	31
PID 2512 wrote to memory of 2380	2512	adfb71af002a5e8d42dc6f1dddffde73.exe	31
PID 2512 wrote to memory of 2380	2512	adfb71af002a5e8d42dc6f1dddffde73.exe	31
PID 2512 wrote to memory of 2380	2512	adfb71af002a5e8d42dc6f1dddffde73.exe	31
PID 2512 wrote to memory of 2380	2512	adfb71af002a5e8d42dc6f1dddffde73.exe	31
PID 2440 wrote to memory of 324	2440	cmd.exe	33
PID 2440 wrote to memory of 324	2440	cmd.exe	33
PID 2440 wrote to memory of 324	2440	cmd.exe	33
PID 2440 wrote to memory of 324	2440	cmd.exe	33
PID 2440 wrote to memory of 324	2440	cmd.exe	33
PID 2440 wrote to memory of 324	2440	cmd.exe	33
PID 2440 wrote to memory of 324	2440	cmd.exe	33
PID 2440 wrote to memory of 1540	2440	cmd.exe	34
PID 2440 wrote to memory of 1540	2440	cmd.exe	34
PID 2440 wrote to memory of 1540	2440	cmd.exe	34
PID 2440 wrote to memory of 1540	2440	cmd.exe	34
PID 2440 wrote to memory of 1540	2440	cmd.exe	34
PID 2440 wrote to memory of 1540	2440	cmd.exe	34
PID 2440 wrote to memory of 1540	2440	cmd.exe	34
PID 2928 wrote to memory of 1972	2928	smes.exe	36
PID 2928 wrote to memory of 1972	2928	smes.exe	36
PID 2928 wrote to memory of 1972	2928	smes.exe	36
PID 2928 wrote to memory of 1972	2928	smes.exe	36

C:\Users\Admin\AppData\Local\Temp\adfb71af002a5e8d42dc6f1dddffde73.exe
"C:\Users\Admin\AppData\Local\Temp\adfb71af002a5e8d42dc6f1dddffde73.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2512
- 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:2440
- - C:\ProgramData\smes\smes.exe
    smes.exe -install
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    PID:324
- - C:\ProgramData\smes\smes.exe
    smes.exe -start
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    PID:1540
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\temg_tmp.bat"
  2⤵
  PID:2380

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:2928
- C:\ProgramData\smes\smes.exe
  C:\ProgramData\smes\smes.exe -run
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  PID:1972

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
718B

MD5
0318d2f94f0145e80c51bfbb3aed769d

SHA1
ba8ec32df73b8539eeca46f39e29a4e9af371ea1

SHA256
58ea7e766662ed6cd9274313db7824261e16246b2b0d232b973d8e76a1291e43

SHA512
00312951c03f6f0caf88d7ad0537c7b29c425d4b4ba08975f2d7a1ac222aa15611488b7fd7b31229aada46d4c0df4d68affe8bdbd860f7aadcaa03e39ead312b

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

Filesize
202B

MD5
f65b91353bd7c255a2ff0ab66c08fbee

SHA1
7be39d77755f71d61fd00048e8e989b54d1ae385

SHA256
756e878d1092acfee24a1f72b163bd21ee419b4a3d018bdee358dbf391ef40cc

SHA512
aaa53f8dba62c2c733d6e6af73a5e46548d8861ff179858c13738186627fcfe950f67b6816720f8aa711c3a65ea6aee8a69fcc7e5745a734cd9b3ad85fcd9461

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

Filesize
356B

MD5
786389460386b22eabc8982e1ebd2ea1

SHA1
7d40430bf8647c3ef9f0f6cec138eb2465531882

SHA256
2227cc2927c080611e01feb0c9acccd6fe114e9de82e13a8976e6b279e2927ab

SHA512
284ef5de533cb10780698260ba2d9eec73e010ac7347d6f191e8f0512292393ff508d5d058319339d136a89e3d4a0e8a256cb0278a32d1cec46f720c228f0a47

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

Filesize
546B

MD5
0af041a9ee07a947abd5f7871dbaae1d

SHA1
986a3afb4c6b336061d7e3970755c8b8a2bc84c8

SHA256
fed5b0175b4398d101a118a8a8de3935f6be1ea188058b37be0690f3c3feda2b

SHA512
a8c711526e534ef8e76989f14492329d5becf24870364a89ffce0e517fff34e4c96a3809aab28f8d112f73d9a499258ed90f48fdfc855a50d9901e31068cee6b

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
1957a97985a048e9450b252f32ffd9e4

SHA1
c01c2801de954b609532ff879e674fedbac378be

SHA256
856289bece825e63ea7cb32caff3a4100aab5928f903b682dbfc620a7b642a9e

SHA512
16d11cefc3737fdf094b6be27e7636bd9a271b9e26db8a9f28dbbc8f911906ec52aa46ca0098e2bad47110b9b8163209c9a0890c7f562f8f3accf926dcd8a75c

Download Submit
\ProgramData\smes\kswebshield.dll

Filesize
441KB

MD5
7851449473178f9782263d51bc5e3bbc

SHA1
ad5148ee1bed2348b320c62c025d52fbcbb28799

SHA256
c3bc7ec8428f0bb210a0597c9a0cad1be412b7fa46ea006819a3df9ac23118b4

SHA512
b01fc37ac84b81df8d7657000295aed7eb50aaf7f13ab2b2be9030c9f83ed1559318c83c78b4a29926d7d30e9eea9538d123ef4a649179be5a5b54ee71ed9b49

Download Submit
\ProgramData\smes\kwssp.dll

Filesize
425KB

MD5
bf5dcfd9da0514334d41cbd80d2a9138

SHA1
802f9e0b82edca56be08a33b2ba874b34c31f1e3

SHA256
f9506cf9a87aa6bfbf07f2124f2785a711b27a70839ebb95bdd4b2cf747fb060

SHA512
246796f2e201cde30043eaa2c0ffb4d2b3bea2bae97261a022824c31a42d2b08998b1bdcd436e8392bdd153dd6fadf9ba69361c7316a6bfda5d475678b7aa5cc

Download Submit
\ProgramData\smes\kwsui.dll

Filesize
433KB

MD5
45199dab51eeece95728abfe25e18f35

SHA1
59ab0fe25aa2adc253adbecba6862e7432df1c39

SHA256
a22006861cac6a849346282e2f7729deeb8f68bf29f13c15ae33d20311f77391

SHA512
825c6ae1f88cec3d6c469e6a15cad0430845ecc8d436777092f4c5fe8ecd02abbfeb3e2a17b2f4896b9d6e4b2d229a8b83bfdda75a3e025fc32f86610c6eef12

Download Submit
\ProgramData\smes\smes.exe

Filesize
209KB

MD5
1fa47f5b173cee5ef9c3ee1bda0c321e

SHA1
60ee40236f960affb01d569a32e1b05888bb081a

SHA256
b21526716068d2a8550780038e2b5ddb843d77890a07ec82ed9ce9dd0be52c64

SHA512
01f39376269a75510347fcf66ff2585b25d5e6e10e26b7feefa3af66e712a5f50c62bff6d40abee733e1ce965d17a2e443664838268eb7c7a2e36fc1c024224d

Download Submit
\Users\Admin\AppData\Local\Temp\nse9F1.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nse9F1.tmp\FindProcDLL.dll

Filesize
3KB

MD5
8614c450637267afacad1645e23ba24a

SHA1
e7b7b09b5bbc13e910aa36316d9cc5fc5d4dcdc2

SHA256
0fa04f06a6de18d316832086891e9c23ae606d7784d5d5676385839b21ca2758

SHA512
af46cd679097584ff9a1d894a729b6397f4b3af17dff3e6f07bef257bc7e48ffa341d82daf298616cd5df1450fc5ab7435cacb70f27302b6db193f01a9f8391b

Download Submit
memory/1972-56-0x00000000002D0000-0x0000000000341000-memory.dmp

Filesize
452KB

Download
memory/2512-5-0x0000000010000000-0x0000000010003000-memory.dmp

Filesize
12KB

Download