bdd9bc27f915980d24297b27a444b2d8cd50d93b40c5da4185daf11aea9d5e4a

General

Target

SamFwToolSetup.exe
Size

54.9MB
MD5

25db526a01d71287418f0014685f28ed
SHA1

e0d788bcc5540f48e8aa4357c2a0eabc6c3ebf68
SHA256

4c806ae6ba9909989128c6b2fac18ccb9dab2090dc3941cb24711f1db4be2fb0
SHA512

12f31fe7eeced9125555e691c8d84070ef818f28db571ae3abed73a53546aaf1f121f9c2ac23175e3c4e257640105bb0c7a2f85013d9a089ccf6050bd476990e
SSDEEP

1572864:d63HFhdZRARLmKz+pruxp2m7UeC2HPh4umu:o3HVZeRvzb2m7UVq7t

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
4324	SamFwToolSetup.tmp
1200	7za.exe
5040	SamFwTool.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
161	ip-api.com

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4324	SamFwToolSetup.tmp
4324	SamFwToolSetup.tmp
5040	SamFwTool.exe
5040	SamFwTool.exe
5040	SamFwTool.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeRestorePrivilege	1200	7za.exe
Token: 35	1200	7za.exe
Token: SeSecurityPrivilege	1200	7za.exe
Token: SeSecurityPrivilege	1200	7za.exe
Token: SeDebugPrivilege	5040	SamFwTool.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4324	SamFwToolSetup.tmp
5040	SamFwTool.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
5040	SamFwTool.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1428 wrote to memory of 4324	1428	SamFwToolSetup.exe	91
PID 1428 wrote to memory of 4324	1428	SamFwToolSetup.exe	91
PID 1428 wrote to memory of 4324	1428	SamFwToolSetup.exe	91
PID 4324 wrote to memory of 1200	4324	SamFwToolSetup.tmp	105
PID 4324 wrote to memory of 1200	4324	SamFwToolSetup.tmp	105
PID 4324 wrote to memory of 1200	4324	SamFwToolSetup.tmp	105
PID 4324 wrote to memory of 5040	4324	SamFwToolSetup.tmp	110
PID 4324 wrote to memory of 5040	4324	SamFwToolSetup.tmp	110
PID 4324 wrote to memory of 5040	4324	SamFwToolSetup.tmp	110
PID 5040 wrote to memory of 1616	5040	SamFwTool.exe	111
PID 5040 wrote to memory of 1616	5040	SamFwTool.exe	111
PID 1616 wrote to memory of 1052	1616	cmd.exe	113
PID 1616 wrote to memory of 1052	1616	cmd.exe	113

C:\Users\Admin\AppData\Local\Temp\SamFwToolSetup.exe
"C:\Users\Admin\AppData\Local\Temp\SamFwToolSetup.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1428
- C:\Users\Admin\AppData\Local\Temp\is-CVPOP.tmp\SamFwToolSetup.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-CVPOP.tmp\SamFwToolSetup.tmp" /SL5="$600E8,56697704,832512,C:\Users\Admin\AppData\Local\Temp\SamFwToolSetup.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4324
- - C:\SamFwTool\data\7za.exe
    "C:\SamFwTool\data\7za.exe" x "C:\SamFwTool\data.7z" -o"C:\SamFwTool\" * -r -aoa
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:1200
- - C:\SamFwTool\SamFwTool.exe
    "C:\SamFwTool\SamFwTool.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of WriteProcessMemory
    PID:5040
  - - C:\Windows\system32\cmd.exe
      "C:\Windows\Sysnative\cmd.exe" /c driverquery /FO list
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1616
    - - C:\Windows\system32\driverquery.exe
        
        driverquery /FO list
        5⤵
        
        PID:1052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\SamFwTool\SamFwTool.exe

Filesize
13.5MB

MD5
e49fa2ed42f42772cf5883af457d163e

SHA1
53a1a59385ed27ff41f88f7b698bf17c0e49398c

SHA256
109d2ea3b9e7efa08c76b57bbaa6ef2e0d7788764ba56c641c69abd396e3cff7

SHA512
f433fd629495aa44719f5393a49d25abb06da85663d7dc9c30ff4823e385655f1d5376cee42233add5e573ce8a56b2bbc0c806fee5ae71fe12c1de33bce08644

Download Submit
C:\SamFwTool\SamFwTool.exe

Filesize
3.1MB

MD5
f7d1fd3a5d5bf023d18cdba47ecc363b

SHA1
d25d0b90a55c5bb92cb5cb3fe1c362b6b022ed9d

SHA256
8beb72bad444aa3b3cedb8a5302f018cd43b6462d22704bf6cb1b98e785521ac

SHA512
21f2ba300887c0309e40dab2dc2f5a16bb8c1560fb851eea3d2fcc151ba9fed620a5b363c7f0c7506b843b89651ead2cab09dad87bb69461e45c2c2254919891

Download Submit
C:\SamFwTool\SamFwTool.exe

Filesize
3.6MB

MD5
208d95fa28e488bbe39f07ccf97dc284

SHA1
d0be59aac5d44bc6b976a7c1a30ead221f2d591f

SHA256
a11e3e8a3ff2aef185fd646635b5b4bf36cc06566df161d7ae694347a1a607d7

SHA512
a5c49d66c41304f7538456b01430824ba3f8d6288529a28d60aa32fc5438b143d8a933c3da1d1e442ef5cc452866d088cd55bd9042f6cfac1d126de8d1a9c0dd

Download Submit
C:\SamFwTool\data.7z

Filesize
2.7MB

MD5
55e4a3bf183fcf549361e94041d05fa2

SHA1
14781f00bfab823d5597fb294121ac0a6222c2fa

SHA256
21b0ad34851c3f7d942153a9bbe3527b1a4b1be4501da59ea3ac910d1d5bd12f

SHA512
0c5e60bbb1eae58ebda1e6e2cfc44c0065cb036cf1fddd19a3a05e8db9fc128e46ffef558cbbf43646315988d5ad773558034231e18ddcbdc2c5b2df6483e14a

Download Submit
C:\SamFwTool\data\7za.exe

Filesize
676KB

MD5
2e3309647ce678ca313fe3825a57ccb9

SHA1
792fdeccddd3cc182eac3a1ecd7affe5b48262c8

SHA256
e6855553350fa6fb23e05839c7f3ef140dad29d9a0e3495de4d1b17a9fbf5ca4

SHA512
5eb2af380fed7117d45232d42dec4d05a6f4f6cd6c7d03583c181b235344ea922290b6e0bf6b9683592bccc0f4a3b2b9b9fd7d41fbfebf1045bd95b027539dbc

Download Submit
C:\SamFwTool\data\drivers\x86\libusbK.dll

Filesize
166KB

MD5
3935ec3158d0e488da1929b77edd1633

SHA1
bd6d94704b29b6cef3927796bfe22a2d09ee4fe7

SHA256
87cbd1f3bf5ab72089a879df110263784602a574c0ae83f428df57ae2f8115db

SHA512
5173891b1dfad2298910236a786c7b9bbcfce641491a25f933022088c81465fb93fd2385d270e9a0632f674355538da464d1edacf511140d6f31d91d1afe64fc

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-CVPOP.tmp\SamFwToolSetup.tmp

Filesize
2.7MB

MD5
358ab389a14a54f50b1dc8b902e320fa

SHA1
800b99305f664b93cc967ed03b75bb8927f3ee2d

SHA256
500f472a69b85f36046ea44d44616978e4ae405895c51d1f90339158ffa3c012

SHA512
2177134c587b44c9a0083e06bcd9398edc530a810ee1e42cdb093ffe92c5f9c9b7c7aceb1ef0565e95d89961b92c6193013af555373a81481debc74683676614

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-CVPOP.tmp\SamFwToolSetup.tmp

Filesize
3.1MB

MD5
a8b23ad9a79ad0c6b7f35fe4b8b13d18

SHA1
8e48738f2e3c97b0f2b55b5fbe2cd7169e5a739c

SHA256
96b11c755407f46282254deebff3a09daf8a60c5a1808a6ebb7d1d7c5f36810e

SHA512
5b525730d5a959bd7dab061b78fa9537fdff492e90ec78e081fd62318c537cf0964fbfa6a0d5916308201147c3b6590846496ff5e0414a3d3d96ecc576374a14

Download Submit
memory/1428-8-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/1428-149-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/1428-1-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/4324-32-0x0000000000400000-0x000000000071C000-memory.dmp

Filesize
3.1MB

Download
memory/4324-79-0x0000000000400000-0x000000000071C000-memory.dmp

Filesize
3.1MB

Download
memory/4324-9-0x0000000000400000-0x000000000071C000-memory.dmp

Filesize
3.1MB

Download
memory/4324-139-0x0000000000400000-0x000000000071C000-memory.dmp

Filesize
3.1MB

Download
memory/4324-6-0x0000000000A10000-0x0000000000A11000-memory.dmp

Filesize
4KB

Download
memory/4324-12-0x0000000000A10000-0x0000000000A11000-memory.dmp

Filesize
4KB

Download
memory/4324-147-0x0000000000400000-0x000000000071C000-memory.dmp

Filesize
3.1MB

Download
memory/4324-148-0x0000000000400000-0x000000000071C000-memory.dmp

Filesize
3.1MB

Download
memory/4324-23-0x0000000000400000-0x000000000071C000-memory.dmp

Filesize
3.1MB

Download
memory/5040-150-0x0000000072DA0000-0x0000000073550000-memory.dmp

Filesize
7.7MB

Download
memory/5040-151-0x0000000000C20000-0x0000000001AA0000-memory.dmp

Filesize
14.5MB

Download
memory/5040-152-0x0000000006520000-0x0000000006530000-memory.dmp

Filesize
64KB

Download
memory/5040-153-0x0000000006BA0000-0x0000000007144000-memory.dmp

Filesize
5.6MB

Download
memory/5040-154-0x0000000006530000-0x00000000065C2000-memory.dmp

Filesize
584KB

Download
memory/5040-155-0x0000000006520000-0x0000000006530000-memory.dmp

Filesize
64KB

Download
memory/5040-156-0x0000000007150000-0x000000000715A000-memory.dmp

Filesize
40KB

Download
memory/5040-157-0x0000000006520000-0x0000000006530000-memory.dmp

Filesize
64KB

Download
memory/5040-158-0x0000000009F90000-0x000000000A006000-memory.dmp

Filesize
472KB

Download
memory/5040-159-0x000000000A110000-0x000000000A144000-memory.dmp

Filesize
208KB

Download
memory/5040-160-0x000000000A160000-0x000000000A1F2000-memory.dmp

Filesize
584KB

Download
memory/5040-161-0x000000000A200000-0x000000000A20A000-memory.dmp

Filesize
40KB

Download
memory/5040-162-0x000000000A750000-0x000000000AC7C000-memory.dmp

Filesize
5.2MB

Download
memory/5040-163-0x000000000B740000-0x000000000B7F2000-memory.dmp

Filesize
712KB

Download
memory/5040-164-0x000000000B830000-0x000000000B852000-memory.dmp

Filesize
136KB

Download
memory/5040-165-0x000000000B8A0000-0x000000000B8BE000-memory.dmp

Filesize
120KB

Download
memory/5040-172-0x000000000B9B0000-0x000000000BA16000-memory.dmp

Filesize
408KB

Download
memory/5040-173-0x0000000072DA0000-0x0000000073550000-memory.dmp

Filesize
7.7MB

Download
memory/5040-174-0x0000000006520000-0x0000000006530000-memory.dmp

Filesize
64KB

Download
memory/5040-175-0x0000000006520000-0x0000000006530000-memory.dmp

Filesize
64KB

Download
memory/5040-180-0x0000000006520000-0x0000000006530000-memory.dmp

Filesize
64KB

Download
memory/5040-181-0x000000000DF50000-0x000000000E2A4000-memory.dmp

Filesize
3.3MB

Download

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