Analysis
- max time kernel
184s - max time network
190s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
26/11/2022, 17:31
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
10 signatures
150 seconds
General
- Target file.exe
- Size 2.0MB
- Sample221126-v3pkwsbf64
- SHA256 d3bae814d95c8488ca69c87e6c8283830d9619785b88667bd9bb6717e4d77135
- MD5 fdb0f0e3f15063e6ef346063fba32673
- SHA1 8253f5b9076d1d6f6a8db9ad6393f9b222b13900
- SHA512 892a75bbac167f2aefc4c4d6740acfe258a894d3695545e39b5e9e103d318356a1b0dc06b7631acbda510b06994aea1bc9276e0e84294aead58be3e3e0a4d0d1
- SSDEEP 49152:cByxIioAz12JYniCZZUo9w+9Os9LfjCorJc7Fq3geGrU5LAG5cyx:cB+gJYnTZ+o9PRLrLJ8FqQeGyXcyx
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
nymaim
C2
-
45.139.105.171
-
85.31.46.167
Signatures
- Executes dropped EXE 3 IoCs
pid Process 980 is-LQGHR.tmp 524 PrintFolders.exe 1884 H7KwAPFyRo5.exe - Loads dropped DLL 10 IoCs
pid Process 1076 file.exe 980 is-LQGHR.tmp 980 is-LQGHR.tmp 980 is-LQGHR.tmp 980 is-LQGHR.tmp 524 PrintFolders.exe 524 PrintFolders.exe 524 PrintFolders.exe 1884 H7KwAPFyRo5.exe 1884 H7KwAPFyRo5.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in Program Files directory 9 IoCs
description ioc Process File created C:\Program Files (x86)\PrintFolders\is-K6T01.tmp is-LQGHR.tmp File opened for modification C:\Program Files (x86)\PrintFolders\unins000.dat is-LQGHR.tmp File opened for modification C:\Program Files (x86)\PrintFolders\PrintFolders.exe is-LQGHR.tmp File created C:\Program Files (x86)\PrintFolders\unins000.dat is-LQGHR.tmp File created C:\Program Files (x86)\PrintFolders\is-HF4S1.tmp is-LQGHR.tmp File created C:\Program Files (x86)\PrintFolders\is-3DFEQ.tmp is-LQGHR.tmp File created C:\Program Files (x86)\PrintFolders\is-7MG74.tmp is-LQGHR.tmp File created C:\Program Files (x86)\PrintFolders\is-RA3MB.tmp is-LQGHR.tmp File created C:\Program Files (x86)\PrintFolders\is-5MS74.tmp is-LQGHR.tmp - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Kills process with taskkill 1 IoCs
pid Process 1836 taskkill.exe - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 524 PrintFolders.exe 524 PrintFolders.exe 524 PrintFolders.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 980 is-LQGHR.tmp Token: SeBackupPrivilege 980 is-LQGHR.tmp Token: SeDebugPrivilege 1836 taskkill.exe - Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1076 wrote to memory of 980 1076 file.exe 28 PID 1076 wrote to memory of 980 1076 file.exe 28 PID 1076 wrote to memory of 980 1076 file.exe 28 PID 1076 wrote to memory of 980 1076 file.exe 28 PID 1076 wrote to memory of 980 1076 file.exe 28 PID 1076 wrote to memory of 980 1076 file.exe 28 PID 1076 wrote to memory of 980 1076 file.exe 28 PID 980 wrote to memory of 524 980 is-LQGHR.tmp 29 PID 980 wrote to memory of 524 980 is-LQGHR.tmp 29 PID 980 wrote to memory of 524 980 is-LQGHR.tmp 29 PID 980 wrote to memory of 524 980 is-LQGHR.tmp 29 PID 980 wrote to memory of 524 980 is-LQGHR.tmp 29 PID 980 wrote to memory of 524 980 is-LQGHR.tmp 29 PID 980 wrote to memory of 524 980 is-LQGHR.tmp 29 PID 524 wrote to memory of 1884 524 PrintFolders.exe 30 PID 524 wrote to memory of 1884 524 PrintFolders.exe 30 PID 524 wrote to memory of 1884 524 PrintFolders.exe 30 PID 524 wrote to memory of 1884 524 PrintFolders.exe 30 PID 524 wrote to memory of 1884 524 PrintFolders.exe 30 PID 524 wrote to memory of 1884 524 PrintFolders.exe 30 PID 524 wrote to memory of 1884 524 PrintFolders.exe 30 PID 524 wrote to memory of 1624 524 PrintFolders.exe 33 PID 524 wrote to memory of 1624 524 PrintFolders.exe 33 PID 524 wrote to memory of 1624 524 PrintFolders.exe 33 PID 524 wrote to memory of 1624 524 PrintFolders.exe 33 PID 524 wrote to memory of 1624 524 PrintFolders.exe 33 PID 524 wrote to memory of 1624 524 PrintFolders.exe 33 PID 524 wrote to memory of 1624 524 PrintFolders.exe 33 PID 1624 wrote to memory of 1836 1624 cmd.exe 35 PID 1624 wrote to memory of 1836 1624 cmd.exe 35 PID 1624 wrote to memory of 1836 1624 cmd.exe 35 PID 1624 wrote to memory of 1836 1624 cmd.exe 35 PID 1624 wrote to memory of 1836 1624 cmd.exe 35 PID 1624 wrote to memory of 1836 1624 cmd.exe 35 PID 1624 wrote to memory of 1836 1624 cmd.exe 35
Processes
-
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:1076 -
C:\Users\Admin\AppData\Local\Temp\is-RDS7K.tmp\is-LQGHR.tmp"C:\Users\Admin\AppData\Local\Temp\is-RDS7K.tmp\is-LQGHR.tmp" /SL4 $8001C "C:\Users\Admin\AppData\Local\Temp\file.exe" 1899149 517122⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:980 -
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:524 -
C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\H7KwAPFyRo5.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1884
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "PrintFolders.exe" /f & erase "C:\Program Files (x86)\PrintFolders\PrintFolders.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
PID:1624 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "PrintFolders.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1836
-
-
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files (x86)\PrintFolders\PrintFolders.exe
- Size 3.3MB
- SHA256 1c7dcd22a77160fcaab6ac2bc7a7dfe0f38568f701bfbf665dbc1bb0a3d05ea9
- MD5 ad0c4d4bcaf801f66f3ca9c8a6cf32dd
- SHA1 704bd3f99332339bcc14f653a1cf97b1a1015696
- SHA512 bc2b0bf9147c5c67f59217ebbeaac2f56c29440d46b6cab02751e2b5f6bf4578fdc44960bd15c3f7ea6482994c5aa999e6460b193911c3e217d38b67a76c02fa
- SSDEEP 24576:8aZYKRP3hSbCeji0RUrcHfWp2cpcr56q4OEQh4iWuChLALlWTLazPUJ1DB5QOi7L:cKedjSoH7MJOEQsALoGJldb
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files (x86)\PrintFolders\PrintFolders.exe
- Size 3.3MB
- SHA256 1c7dcd22a77160fcaab6ac2bc7a7dfe0f38568f701bfbf665dbc1bb0a3d05ea9
- MD5 ad0c4d4bcaf801f66f3ca9c8a6cf32dd
- SHA1 704bd3f99332339bcc14f653a1cf97b1a1015696
- SHA512 bc2b0bf9147c5c67f59217ebbeaac2f56c29440d46b6cab02751e2b5f6bf4578fdc44960bd15c3f7ea6482994c5aa999e6460b193911c3e217d38b67a76c02fa
- SSDEEP 24576:8aZYKRP3hSbCeji0RUrcHfWp2cpcr56q4OEQh4iWuChLALlWTLazPUJ1DB5QOi7L:cKedjSoH7MJOEQsALoGJldb
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\is-RDS7K.tmp\is-LQGHR.tmp
- Size 643KB
- SHA256 b5cd942dd7019c1cda1715e4ce942094c41ad1e7bc7c5f63fe3ab7d97bc5a021
- MD5 363a4d2aa5d6cf5cbb2267cccf0c4436
- SHA1 a4cdb756698ed28f522956166a6292e9e309dd9c
- SHA512 b5929be6e258a63557f376b50a40f6d465cbd372a88e7dcae7944faacb9181cd55873f52dee99cee2e3705596b3b55cb6f784db800f5a32f06e63b9ead3e7c70
- SSDEEP 12288:Jh5UooqWolrP837JzHvA6izJgnnyFNmayiAZrv4xp:f5NoqWolrP837JzHvA6yknyWFxv4xp
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\is-RDS7K.tmp\is-LQGHR.tmp
- Size 643KB
- SHA256 b5cd942dd7019c1cda1715e4ce942094c41ad1e7bc7c5f63fe3ab7d97bc5a021
- MD5 363a4d2aa5d6cf5cbb2267cccf0c4436
- SHA1 a4cdb756698ed28f522956166a6292e9e309dd9c
- SHA512 b5929be6e258a63557f376b50a40f6d465cbd372a88e7dcae7944faacb9181cd55873f52dee99cee2e3705596b3b55cb6f784db800f5a32f06e63b9ead3e7c70
- SSDEEP 12288:Jh5UooqWolrP837JzHvA6izJgnnyFNmayiAZrv4xp:f5NoqWolrP837JzHvA6yknyWFxv4xp
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\H7KwAPFyRo5.exe
- Size 72KB
- SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
- MD5 3fb36cb0b7172e5298d2992d42984d06
- SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
- SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
- SSDEEP 1536:bvUpDLxyxA14o3/M238r6+XfHAgbqmE8MpKdwuasZLUM7DsWlXcdyZgfmi:WDLZKa/MtXfHAgbqmEtxsfmyZgfmi
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\H7KwAPFyRo5.exe
- Size 72KB
- SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
- MD5 3fb36cb0b7172e5298d2992d42984d06
- SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
- SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
- SSDEEP 1536:bvUpDLxyxA14o3/M238r6+XfHAgbqmE8MpKdwuasZLUM7DsWlXcdyZgfmi:WDLZKa/MtXfHAgbqmEtxsfmyZgfmi
- MD5 SHA1 SHA512 SSDEEP
- Path \Program Files (x86)\PrintFolders\PrintFolders.exe
- Size 3.3MB
- SHA256 1c7dcd22a77160fcaab6ac2bc7a7dfe0f38568f701bfbf665dbc1bb0a3d05ea9
- MD5 ad0c4d4bcaf801f66f3ca9c8a6cf32dd
- SHA1 704bd3f99332339bcc14f653a1cf97b1a1015696
- SHA512 bc2b0bf9147c5c67f59217ebbeaac2f56c29440d46b6cab02751e2b5f6bf4578fdc44960bd15c3f7ea6482994c5aa999e6460b193911c3e217d38b67a76c02fa
- SSDEEP 24576:8aZYKRP3hSbCeji0RUrcHfWp2cpcr56q4OEQh4iWuChLALlWTLazPUJ1DB5QOi7L:cKedjSoH7MJOEQsALoGJldb
- MD5 SHA1 SHA512 SSDEEP
- Path \Program Files (x86)\PrintFolders\PrintFolders.exe
- Size 3.3MB
- SHA256 1c7dcd22a77160fcaab6ac2bc7a7dfe0f38568f701bfbf665dbc1bb0a3d05ea9
- MD5 ad0c4d4bcaf801f66f3ca9c8a6cf32dd
- SHA1 704bd3f99332339bcc14f653a1cf97b1a1015696
- SHA512 bc2b0bf9147c5c67f59217ebbeaac2f56c29440d46b6cab02751e2b5f6bf4578fdc44960bd15c3f7ea6482994c5aa999e6460b193911c3e217d38b67a76c02fa
- SSDEEP 24576:8aZYKRP3hSbCeji0RUrcHfWp2cpcr56q4OEQh4iWuChLALlWTLazPUJ1DB5QOi7L:cKedjSoH7MJOEQsALoGJldb
- MD5 SHA1 SHA512 SSDEEP
- Path \Program Files (x86)\PrintFolders\PrintFolders.exe
- Size 3.3MB
- SHA256 1c7dcd22a77160fcaab6ac2bc7a7dfe0f38568f701bfbf665dbc1bb0a3d05ea9
- MD5 ad0c4d4bcaf801f66f3ca9c8a6cf32dd
- SHA1 704bd3f99332339bcc14f653a1cf97b1a1015696
- SHA512 bc2b0bf9147c5c67f59217ebbeaac2f56c29440d46b6cab02751e2b5f6bf4578fdc44960bd15c3f7ea6482994c5aa999e6460b193911c3e217d38b67a76c02fa
- SSDEEP 24576:8aZYKRP3hSbCeji0RUrcHfWp2cpcr56q4OEQh4iWuChLALlWTLazPUJ1DB5QOi7L:cKedjSoH7MJOEQsALoGJldb
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\is-5MTQC.tmp\_iscrypt.dll
- Size 2KB
- SHA256 2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
- MD5 a69559718ab506675e907fe49deb71e9
- SHA1 bc8f404ffdb1960b50c12ff9413c893b56f2e36f
- SHA512 e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
- MD5 SHA1 SHA512
- Path \Users\Admin\AppData\Local\Temp\is-5MTQC.tmp\_isetup\_shfoldr.dll
- Size 22KB
- SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
- MD5 92dc6ef532fbb4a5c3201469a5b5eb63
- SHA1 3e89ff837147c16b4e41c30d6c796374e0b8e62c
- SHA512 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
- SSDEEP 384:+Vm08QoKkiWZ76UJuP71W55iWHHoSHigH2euwsHTGHVb+VHHmnH+aHjHqLHxmoq1:2m08QotiCjJuPGw4
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\is-5MTQC.tmp\_isetup\_shfoldr.dll
- Size 22KB
- SHA256 9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
- MD5 92dc6ef532fbb4a5c3201469a5b5eb63
- SHA1 3e89ff837147c16b4e41c30d6c796374e0b8e62c
- SHA512 9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
- SSDEEP 384:+Vm08QoKkiWZ76UJuP71W55iWHHoSHigH2euwsHTGHVb+VHHmnH+aHjHqLHxmoq1:2m08QotiCjJuPGw4
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Local\Temp\is-RDS7K.tmp\is-LQGHR.tmp
- Size 643KB
- SHA256 b5cd942dd7019c1cda1715e4ce942094c41ad1e7bc7c5f63fe3ab7d97bc5a021
- MD5 363a4d2aa5d6cf5cbb2267cccf0c4436
- SHA1 a4cdb756698ed28f522956166a6292e9e309dd9c
- SHA512 b5929be6e258a63557f376b50a40f6d465cbd372a88e7dcae7944faacb9181cd55873f52dee99cee2e3705596b3b55cb6f784db800f5a32f06e63b9ead3e7c70
- SSDEEP 12288:Jh5UooqWolrP837JzHvA6izJgnnyFNmayiAZrv4xp:f5NoqWolrP837JzHvA6yknyWFxv4xp
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\H7KwAPFyRo5.exe
- Size 72KB
- SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
- MD5 3fb36cb0b7172e5298d2992d42984d06
- SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
- SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
- SSDEEP 1536:bvUpDLxyxA14o3/M238r6+XfHAgbqmE8MpKdwuasZLUM7DsWlXcdyZgfmi:WDLZKa/MtXfHAgbqmEtxsfmyZgfmi
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\H7KwAPFyRo5.exe
- Size 72KB
- SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
- MD5 3fb36cb0b7172e5298d2992d42984d06
- SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
- SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
- SSDEEP 1536:bvUpDLxyxA14o3/M238r6+XfHAgbqmE8MpKdwuasZLUM7DsWlXcdyZgfmi:WDLZKa/MtXfHAgbqmEtxsfmyZgfmi
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\AppData\Roaming\{846ee340-7039-11de-9d20-806e6f6e6963}\H7KwAPFyRo5.exe
- Size 72KB
- SHA256 27ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
- MD5 3fb36cb0b7172e5298d2992d42984d06
- SHA1 439827777df4a337cbb9fa4a4640d0d3fa1738b7
- SHA512 6b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
- SSDEEP 1536:bvUpDLxyxA14o3/M238r6+XfHAgbqmE8MpKdwuasZLUM7DsWlXcdyZgfmi:WDLZKa/MtXfHAgbqmEtxsfmyZgfmi
- MD5 SHA1 SHA512 SSDEEP