e062abaf6962d7e4e919bed5647735c5858dcc77fd7d97f333d2d663238d842e

Analysis

max time kernel
70s
max time network
70s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 09:01

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General

Target

file.exe
Size

1.2MB
MD5

071f89ff44b3a7d230d3a203ab09e6bb
SHA1

06f8f7bd94c01b4f4e3ecdd9be4d5e7ab7dd95b2
SHA256

e062abaf6962d7e4e919bed5647735c5858dcc77fd7d97f333d2d663238d842e
SHA512

d3a818a25731537ec8823d8ec4fabf8ccdb4e6c468890f6de0b322fce75b16c091fb07e1dce525abe8c5f0eb27b05af4973dfd7c1e39af9f9353ef5fb48eafa9
SSDEEP

24576:Jiz+ZR9o6SVKzoZJk2ZKowGb3Epbqi2uwugZIY7eCLxYiW:CwMKgxwGopbjyNeViW

Score

8^/10

discovery

Malware Config

Signatures

Executes dropped EXE 3 IoCs

Processes:

is-TQJRT.tmpPrintFolders.exeTsJxJm4EqT.exe

pid process

1196 is-TQJRT.tmp
468 PrintFolders.exe
520 TsJxJm4EqT.exe

pid	process
1196	is-TQJRT.tmp
468	PrintFolders.exe
520	TsJxJm4EqT.exe

Loads dropped DLL 10 IoCs

Processes:

file.exeis-TQJRT.tmpPrintFolders.exeTsJxJm4EqT.exe

pid	process
948	file.exe
1196	is-TQJRT.tmp
1196	is-TQJRT.tmp
1196	is-TQJRT.tmp
1196	is-TQJRT.tmp
468	PrintFolders.exe
468	PrintFolders.exe
468	PrintFolders.exe
520	TsJxJm4EqT.exe
520	TsJxJm4EqT.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

Drops file in Program Files directory 9 IoCs

Processes:

is-TQJRT.tmp

description	ioc	process
File created	C:\Program Files (x86)\PrintFolders\is-7FIKK.tmp	is-TQJRT.tmp
File created	C:\Program Files (x86)\PrintFolders\is-N9SN9.tmp	is-TQJRT.tmp
File opened for modification	C:\Program Files (x86)\PrintFolders\unins000.dat	is-TQJRT.tmp
File created	C:\Program Files (x86)\PrintFolders\is-2LPDQ.tmp	is-TQJRT.tmp
File opened for modification	C:\Program Files (x86)\PrintFolders\PrintFolders.exe	is-TQJRT.tmp
File created	C:\Program Files (x86)\PrintFolders\unins000.dat	is-TQJRT.tmp
File created	C:\Program Files (x86)\PrintFolders\is-TVL6B.tmp	is-TQJRT.tmp
File created	C:\Program Files (x86)\PrintFolders\is-0K6Q4.tmp	is-TQJRT.tmp
File created	C:\Program Files (x86)\PrintFolders\is-OT6FB.tmp	is-TQJRT.tmp

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

System Information Discovery
T1082
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1624 taskkill.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

PrintFolders.exe

pid process

468 PrintFolders.exe
468 PrintFolders.exe
468 PrintFolders.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

is-TQJRT.tmptaskkill.exe

description pid process

Token: SeRestorePrivilege 1196 is-TQJRT.tmp
Token: SeBackupPrivilege 1196 is-TQJRT.tmp
Token: SeDebugPrivilege 1624 taskkill.exe

pid	process
1624	taskkill.exe

pid	process
468	PrintFolders.exe
468	PrintFolders.exe
468	PrintFolders.exe

description	pid	process
Token: SeRestorePrivilege	1196	is-TQJRT.tmp
Token: SeBackupPrivilege	1196	is-TQJRT.tmp
Token: SeDebugPrivilege	1624	taskkill.exe

Suspicious use of WriteProcessMemory 35 IoCs

Processes:

file.exeis-TQJRT.tmpPrintFolders.execmd.exe

description	pid	process	target process
PID 948 wrote to memory of 1196	948	file.exe	is-TQJRT.tmp
PID 948 wrote to memory of 1196	948	file.exe	is-TQJRT.tmp
PID 948 wrote to memory of 1196	948	file.exe	is-TQJRT.tmp
PID 948 wrote to memory of 1196	948	file.exe	is-TQJRT.tmp
PID 948 wrote to memory of 1196	948	file.exe	is-TQJRT.tmp
PID 948 wrote to memory of 1196	948	file.exe	is-TQJRT.tmp
PID 948 wrote to memory of 1196	948	file.exe	is-TQJRT.tmp
PID 1196 wrote to memory of 468	1196	is-TQJRT.tmp	PrintFolders.exe
PID 1196 wrote to memory of 468	1196	is-TQJRT.tmp	PrintFolders.exe
PID 1196 wrote to memory of 468	1196	is-TQJRT.tmp	PrintFolders.exe
PID 1196 wrote to memory of 468	1196	is-TQJRT.tmp	PrintFolders.exe
PID 1196 wrote to memory of 468	1196	is-TQJRT.tmp	PrintFolders.exe
PID 1196 wrote to memory of 468	1196	is-TQJRT.tmp	PrintFolders.exe
PID 1196 wrote to memory of 468	1196	is-TQJRT.tmp	PrintFolders.exe
PID 468 wrote to memory of 520	468	PrintFolders.exe	TsJxJm4EqT.exe
PID 468 wrote to memory of 520	468	PrintFolders.exe	TsJxJm4EqT.exe
PID 468 wrote to memory of 520	468	PrintFolders.exe	TsJxJm4EqT.exe
PID 468 wrote to memory of 520	468	PrintFolders.exe	TsJxJm4EqT.exe
PID 468 wrote to memory of 520	468	PrintFolders.exe	TsJxJm4EqT.exe
PID 468 wrote to memory of 520	468	PrintFolders.exe	TsJxJm4EqT.exe
PID 468 wrote to memory of 520	468	PrintFolders.exe	TsJxJm4EqT.exe
PID 468 wrote to memory of 1652	468	PrintFolders.exe	cmd.exe
PID 468 wrote to memory of 1652	468	PrintFolders.exe	cmd.exe
PID 468 wrote to memory of 1652	468	PrintFolders.exe	cmd.exe
PID 468 wrote to memory of 1652	468	PrintFolders.exe	cmd.exe
PID 468 wrote to memory of 1652	468	PrintFolders.exe	cmd.exe
PID 468 wrote to memory of 1652	468	PrintFolders.exe	cmd.exe
PID 468 wrote to memory of 1652	468	PrintFolders.exe	cmd.exe
PID 1652 wrote to memory of 1624	1652	cmd.exe	taskkill.exe
PID 1652 wrote to memory of 1624	1652	cmd.exe	taskkill.exe
PID 1652 wrote to memory of 1624	1652	cmd.exe	taskkill.exe
PID 1652 wrote to memory of 1624	1652	cmd.exe	taskkill.exe
PID 1652 wrote to memory of 1624	1652	cmd.exe	taskkill.exe
PID 1652 wrote to memory of 1624	1652	cmd.exe	taskkill.exe
PID 1652 wrote to memory of 1624	1652	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:948

C:\Users\Admin\AppData\Local\Temp\is-USON0.tmp\is-TQJRT.tmp
"C:\Users\Admin\AppData\Local\Temp\is-USON0.tmp\is-TQJRT.tmp" /SL4 $70126 "C:\Users\Admin\AppData\Local\Temp\file.exe" 1047621 51712
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1196

C:\Program Files (x86)\PrintFolders\PrintFolders.exe
"C:\Program Files (x86)\PrintFolders\PrintFolders.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:468

C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\TsJxJm4EqT.exe
4⤵
- Executes dropped EXE
- Loads dropped DLL
PID:520

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "PrintFolders.exe" /f & erase "C:\Program Files (x86)\PrintFolders\PrintFolders.exe" & exit
4⤵
- Suspicious use of WriteProcessMemory
PID:1652

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "PrintFolders.exe" /f
5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1624

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\PrintFolders\PrintFolders.exe
Filesize
1.4MB

MD5
af575aad0b5901020fd24cee0f2240a6

SHA1
15354b17aa9e5bfd00c0e3f52dcbb45fac9b9eff

SHA256
edde6ce7708d430537f00e8dad603c07b2b512bb867581b7da171acadd0a50b8

SHA512
b5e1c354f531c9ac33a798d384eeccbdc5d6b1ea2caad151c1ac10843f6931c0d7bde0608121406938e265e324028e1112693d099fbdb7d144786380659370f1

Download Submit
C:\Program Files (x86)\PrintFolders\PrintFolders.exe
Filesize
1.4MB

MD5
af575aad0b5901020fd24cee0f2240a6

SHA1
15354b17aa9e5bfd00c0e3f52dcbb45fac9b9eff

SHA256
edde6ce7708d430537f00e8dad603c07b2b512bb867581b7da171acadd0a50b8

SHA512
b5e1c354f531c9ac33a798d384eeccbdc5d6b1ea2caad151c1ac10843f6931c0d7bde0608121406938e265e324028e1112693d099fbdb7d144786380659370f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-USON0.tmp\is-TQJRT.tmp
Filesize
643KB

MD5
85b94e72c3f2d2b5464e2aaf3c9e242a

SHA1
ce7ccae5f50a990d059d59292d4a332979e162ba

SHA256
1441464feeef365573af18802c464769b7d3107624fde24604f57e386f97f1a7

SHA512
c0c27189989db482be9bda5b6b8b1441bdc5e9b0f3a414ccab4c4be516e7f99e25717845361a5b196114502faaaf21bec7aca91b497acd2e2396f49c31850880

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-USON0.tmp\is-TQJRT.tmp
Filesize
643KB

MD5
85b94e72c3f2d2b5464e2aaf3c9e242a

SHA1
ce7ccae5f50a990d059d59292d4a332979e162ba

SHA256
1441464feeef365573af18802c464769b7d3107624fde24604f57e386f97f1a7

SHA512
c0c27189989db482be9bda5b6b8b1441bdc5e9b0f3a414ccab4c4be516e7f99e25717845361a5b196114502faaaf21bec7aca91b497acd2e2396f49c31850880

Download Submit
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\TsJxJm4EqT.exe
Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\TsJxJm4EqT.exe
Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
\Program Files (x86)\PrintFolders\PrintFolders.exe
Filesize
1.4MB

MD5
af575aad0b5901020fd24cee0f2240a6

SHA1
15354b17aa9e5bfd00c0e3f52dcbb45fac9b9eff

SHA256
edde6ce7708d430537f00e8dad603c07b2b512bb867581b7da171acadd0a50b8

SHA512
b5e1c354f531c9ac33a798d384eeccbdc5d6b1ea2caad151c1ac10843f6931c0d7bde0608121406938e265e324028e1112693d099fbdb7d144786380659370f1

Download Submit
\Program Files (x86)\PrintFolders\PrintFolders.exe
Filesize
1.4MB

MD5
af575aad0b5901020fd24cee0f2240a6

SHA1
15354b17aa9e5bfd00c0e3f52dcbb45fac9b9eff

SHA256
edde6ce7708d430537f00e8dad603c07b2b512bb867581b7da171acadd0a50b8

SHA512
b5e1c354f531c9ac33a798d384eeccbdc5d6b1ea2caad151c1ac10843f6931c0d7bde0608121406938e265e324028e1112693d099fbdb7d144786380659370f1

Download Submit
\Program Files (x86)\PrintFolders\PrintFolders.exe
Filesize
1.4MB

MD5
af575aad0b5901020fd24cee0f2240a6

SHA1
15354b17aa9e5bfd00c0e3f52dcbb45fac9b9eff

SHA256
edde6ce7708d430537f00e8dad603c07b2b512bb867581b7da171acadd0a50b8

SHA512
b5e1c354f531c9ac33a798d384eeccbdc5d6b1ea2caad151c1ac10843f6931c0d7bde0608121406938e265e324028e1112693d099fbdb7d144786380659370f1

Download Submit
\Users\Admin\AppData\Local\Temp\is-T6UEK.tmp\_iscrypt.dll
Filesize
2KB

MD5
a69559718ab506675e907fe49deb71e9

SHA1
bc8f404ffdb1960b50c12ff9413c893b56f2e36f

SHA256
2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

SHA512
e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

Download Submit
\Users\Admin\AppData\Local\Temp\is-T6UEK.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-T6UEK.tmp\_isetup\_shfoldr.dll
Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-USON0.tmp\is-TQJRT.tmp
Filesize
643KB

MD5
85b94e72c3f2d2b5464e2aaf3c9e242a

SHA1
ce7ccae5f50a990d059d59292d4a332979e162ba

SHA256
1441464feeef365573af18802c464769b7d3107624fde24604f57e386f97f1a7

SHA512
c0c27189989db482be9bda5b6b8b1441bdc5e9b0f3a414ccab4c4be516e7f99e25717845361a5b196114502faaaf21bec7aca91b497acd2e2396f49c31850880

Download Submit
\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\TsJxJm4EqT.exe
Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\TsJxJm4EqT.exe
Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\TsJxJm4EqT.exe
Filesize
72KB

MD5
3fb36cb0b7172e5298d2992d42984d06

SHA1
439827777df4a337cbb9fa4a4640d0d3fa1738b7

SHA256
27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6

SHA512
6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c

Download Submit
memory/468-81-0x0000000010000000-0x000000001001B000-memory.dmp

Filesize
108KB

Download
memory/468-73-0x0000000000400000-0x0000000001373000-memory.dmp

Filesize
15.4MB

Download
memory/468-67-0x0000000000000000-mapping.dmp

Download
memory/468-87-0x0000000000400000-0x0000000001373000-memory.dmp

Filesize
15.4MB

Download
memory/520-75-0x0000000000000000-mapping.dmp

Download
memory/948-54-0x0000000076691000-0x0000000076693000-memory.dmp

Filesize
8KB

Download
memory/948-66-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/948-55-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1196-58-0x0000000000000000-mapping.dmp

Download
memory/1624-88-0x0000000000000000-mapping.dmp

Download
memory/1652-85-0x0000000000000000-mapping.dmp

Download