dd513edc2c07f6513d02e5f12e4febc61ecab788be46165bae410f917bcb8bc0

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
19/01/2024, 16:07

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General

Target

680e8ac7e28f14953c48aacbe67dc917.exe
Size

1.1MB
MD5

680e8ac7e28f14953c48aacbe67dc917
SHA1

652fbf3430554a74606cfd359f9f52b182fd42cd
SHA256

dd513edc2c07f6513d02e5f12e4febc61ecab788be46165bae410f917bcb8bc0
SHA512

05860ce903b60565b4dcc037a531f2063b4050fa567a8dd73aa96d839beb5dc0b63f1bca89e17649254d4f8b924cddb42798ab714988c24d3e6b3656ca02aa1f
SSDEEP

24576:BXuFhCwUuqDluBMfEhJX3z5mKhwbLeoMYhvD7:ShxqDosEL3F/w+Yhvf

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
2652	smes.exe
2764	smes.exe
780	smes.exe
2512	smes.exe

Loads dropped DLL 14 IoCs

pid	Process
640	680e8ac7e28f14953c48aacbe67dc917.exe
640	680e8ac7e28f14953c48aacbe67dc917.exe
2092	cmd.exe
2092	cmd.exe
2652	smes.exe
2652	smes.exe
2092	cmd.exe
2092	cmd.exe
2764	smes.exe
2764	smes.exe
780	smes.exe
780	smes.exe
2512	smes.exe
2512	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
640	680e8ac7e28f14953c48aacbe67dc917.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2652	smes.exe
Token: SeDebugPrivilege	2764	smes.exe
Token: SeDebugPrivilege	780	smes.exe
Token: 33	780	smes.exe
Token: SeIncBasePriorityPrivilege	780	smes.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2512	smes.exe
2512	smes.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 640 wrote to memory of 2092	640	680e8ac7e28f14953c48aacbe67dc917.exe	28
PID 640 wrote to memory of 2092	640	680e8ac7e28f14953c48aacbe67dc917.exe	28
PID 640 wrote to memory of 2092	640	680e8ac7e28f14953c48aacbe67dc917.exe	28
PID 640 wrote to memory of 2092	640	680e8ac7e28f14953c48aacbe67dc917.exe	28
PID 640 wrote to memory of 2092	640	680e8ac7e28f14953c48aacbe67dc917.exe	28
PID 640 wrote to memory of 2092	640	680e8ac7e28f14953c48aacbe67dc917.exe	28
PID 640 wrote to memory of 2092	640	680e8ac7e28f14953c48aacbe67dc917.exe	28
PID 640 wrote to memory of 2564	640	680e8ac7e28f14953c48aacbe67dc917.exe	30
PID 640 wrote to memory of 2564	640	680e8ac7e28f14953c48aacbe67dc917.exe	30
PID 640 wrote to memory of 2564	640	680e8ac7e28f14953c48aacbe67dc917.exe	30
PID 640 wrote to memory of 2564	640	680e8ac7e28f14953c48aacbe67dc917.exe	30
PID 640 wrote to memory of 2564	640	680e8ac7e28f14953c48aacbe67dc917.exe	30
PID 640 wrote to memory of 2564	640	680e8ac7e28f14953c48aacbe67dc917.exe	30
PID 640 wrote to memory of 2564	640	680e8ac7e28f14953c48aacbe67dc917.exe	30
PID 2092 wrote to memory of 2652	2092	cmd.exe	32
PID 2092 wrote to memory of 2652	2092	cmd.exe	32
PID 2092 wrote to memory of 2652	2092	cmd.exe	32
PID 2092 wrote to memory of 2652	2092	cmd.exe	32
PID 2092 wrote to memory of 2652	2092	cmd.exe	32
PID 2092 wrote to memory of 2652	2092	cmd.exe	32
PID 2092 wrote to memory of 2652	2092	cmd.exe	32
PID 2092 wrote to memory of 2764	2092	cmd.exe	33
PID 2092 wrote to memory of 2764	2092	cmd.exe	33
PID 2092 wrote to memory of 2764	2092	cmd.exe	33
PID 2092 wrote to memory of 2764	2092	cmd.exe	33
PID 2092 wrote to memory of 2764	2092	cmd.exe	33
PID 2092 wrote to memory of 2764	2092	cmd.exe	33
PID 2092 wrote to memory of 2764	2092	cmd.exe	33
PID 780 wrote to memory of 2512	780	smes.exe	34
PID 780 wrote to memory of 2512	780	smes.exe	34
PID 780 wrote to memory of 2512	780	smes.exe	34
PID 780 wrote to memory of 2512	780	smes.exe	34

C:\Users\Admin\AppData\Local\Temp\680e8ac7e28f14953c48aacbe67dc917.exe
"C:\Users\Admin\AppData\Local\Temp\680e8ac7e28f14953c48aacbe67dc917.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:640
- 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:2092
- - C:\ProgramData\smes\smes.exe
    smes.exe -install
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    PID:2652
- - C:\ProgramData\smes\smes.exe
    smes.exe -start
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of AdjustPrivilegeToken
    PID:2764
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\temg_tmp.bat"
  2⤵
  PID:2564

C:\ProgramData\smes\smes.exe
C:\ProgramData\smes\smes.exe -run
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:2512

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:780

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
05d876a57c1c3c5174025b42afac07f3

SHA1
cf910a0709aedd2f8c44419f7538d79207f21701

SHA256
53cf12d3df892a7a084fbc33c5adfd81291b5913b8082293da5d48f70176d07e

SHA512
97006e50c16514a9caf978284de71d31856df630f04b6987bb1647c1dade066ba1fcd228d05877f052ddc771fcf22b713ae9711c0013451ef0245e620a703fb1

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

Filesize
296B

MD5
563d100a7f896530615f099324dbcbe2

SHA1
746e3100f6403bc917f3b0b46bc3629e68f0b3b5

SHA256
267facbe902896ebd17f2dd4a1182ab6623c4d5092903cc48dd9b7d936587c16

SHA512
b3de9685b8dff977065dbdc2ddecd0c85de1c5aca85e50280929a67d539f9b617404884c8b31508a48ce13886bda9b2f67ddddbc4acccf250a9cf61f3d184d8f

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

Filesize
546B

MD5
6c819d07019f54ec56db81212e6a5d79

SHA1
edbec3c4f020c8911fa1b685eca5883f172bee6a

SHA256
de69726ba8e865c99b75db724bb9898dd149f82898d5fc60d567cd1d6a6412ee

SHA512
82cca8abf15f8da52e124898b7faadfefce9a44aa2616d1e820e39dc553f7a45a6b7c538d991a7601113665b518a53d447fc65fb38dceee5633ece7402c35c1e

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
3caac0dde1da55680a62f57ebd830704

SHA1
002c6d1a8d9e62c557826662f2ca83e5263fc92b

SHA256
c4962eacc021cf2727af3f3d5f55c193ab8dec7f109ddb6aeaa4cd09054bc4b5

SHA512
9a250c92f0019ee9115271623cea167e67d43d49a792766a5a32baeb23b1b4f422a7d81061b45bd08a4e97e57971926ff248bcfd9cb47ba46ac91dec7757f60b

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\nso118F.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nso118F.tmp\FindProcDLL.dll

Filesize
3KB

MD5
8614c450637267afacad1645e23ba24a

SHA1
e7b7b09b5bbc13e910aa36316d9cc5fc5d4dcdc2

SHA256
0fa04f06a6de18d316832086891e9c23ae606d7784d5d5676385839b21ca2758

SHA512
af46cd679097584ff9a1d894a729b6397f4b3af17dff3e6f07bef257bc7e48ffa341d82daf298616cd5df1450fc5ab7435cacb70f27302b6db193f01a9f8391b

Download Submit
memory/640-5-0x0000000010000000-0x0000000010003000-memory.dmp

Filesize
12KB

Download
memory/2512-56-0x00000000002B0000-0x0000000000321000-memory.dmp

Filesize
452KB

Download