3a16c941223ae24e33b62e925575669a52f7993765aadf075a8bea5decd8a836

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-en-20211208
submitted
19-01-2022 08:10

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General

Target

7zS850A099E/61e74fd3252fe_Tue23df2ad021a.exe
Size

381KB
MD5

996061fe21353bf63874579cc6c090cc
SHA1

eeaf5d66e0ff5e9ddad02653c5bf6af5275e47e9
SHA256

b9dad89b3de1d7f9a4b73a5d107c74f716a6e2e89d653c48ab47108b37ad699a
SHA512

042ea077acfc0dff8684a5eb304af15177c4e6f54c774471b8091669b1ab16833894ca7a52917f8a6bbeacbb6532db521cea61d70ac4c5c992cb4896083d6c93

Score

10^/10

discovery suricata

Malware Config

Signatures

suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01
suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01
suricata
suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload
suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload
suricata
Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

61e74fd3252fe_Tue23df2ad021a.tmp61e74fd3252fe_Tue23df2ad021a.tmpdllhostwin.exe

pid process

1968 61e74fd3252fe_Tue23df2ad021a.tmp
608 61e74fd3252fe_Tue23df2ad021a.tmp
1916 dllhostwin.exe

pid	process
1968	61e74fd3252fe_Tue23df2ad021a.tmp
608	61e74fd3252fe_Tue23df2ad021a.tmp
1916	dllhostwin.exe

Loads dropped DLL 10 IoCs

Processes:

61e74fd3252fe_Tue23df2ad021a.exe61e74fd3252fe_Tue23df2ad021a.tmp61e74fd3252fe_Tue23df2ad021a.exe61e74fd3252fe_Tue23df2ad021a.tmp

pid	process
944	61e74fd3252fe_Tue23df2ad021a.exe
1968	61e74fd3252fe_Tue23df2ad021a.tmp
1968	61e74fd3252fe_Tue23df2ad021a.tmp
1968	61e74fd3252fe_Tue23df2ad021a.tmp
580	61e74fd3252fe_Tue23df2ad021a.exe
608	61e74fd3252fe_Tue23df2ad021a.tmp
608	61e74fd3252fe_Tue23df2ad021a.tmp
608	61e74fd3252fe_Tue23df2ad021a.tmp
608	61e74fd3252fe_Tue23df2ad021a.tmp
608	61e74fd3252fe_Tue23df2ad021a.tmp

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 3 IoCs

Processes:

61e74fd3252fe_Tue23df2ad021a.tmp

description	ioc	process
File created	C:\Program Files (x86)\AtomTweaker\unins000.dat	61e74fd3252fe_Tue23df2ad021a.tmp
File created	C:\Program Files (x86)\AtomTweaker\is-9FP2V.tmp	61e74fd3252fe_Tue23df2ad021a.tmp
File opened for modification	C:\Program Files (x86)\AtomTweaker\unins000.dat	61e74fd3252fe_Tue23df2ad021a.tmp

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

61e74fd3252fe_Tue23df2ad021a.tmp

pid process

608 61e74fd3252fe_Tue23df2ad021a.tmp
608 61e74fd3252fe_Tue23df2ad021a.tmp
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

dllhostwin.exe

pid process

1916 dllhostwin.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

61e74fd3252fe_Tue23df2ad021a.tmp

pid process

608 61e74fd3252fe_Tue23df2ad021a.tmp

pid	process
608	61e74fd3252fe_Tue23df2ad021a.tmp
608	61e74fd3252fe_Tue23df2ad021a.tmp

pid	process
1916	dllhostwin.exe

pid	process
608	61e74fd3252fe_Tue23df2ad021a.tmp

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

61e74fd3252fe_Tue23df2ad021a.exe61e74fd3252fe_Tue23df2ad021a.tmp61e74fd3252fe_Tue23df2ad021a.exe61e74fd3252fe_Tue23df2ad021a.tmp

description	pid	process	target process
PID 944 wrote to memory of 1968	944	61e74fd3252fe_Tue23df2ad021a.exe	61e74fd3252fe_Tue23df2ad021a.tmp
PID 944 wrote to memory of 1968	944	61e74fd3252fe_Tue23df2ad021a.exe	61e74fd3252fe_Tue23df2ad021a.tmp
PID 944 wrote to memory of 1968	944	61e74fd3252fe_Tue23df2ad021a.exe	61e74fd3252fe_Tue23df2ad021a.tmp
PID 944 wrote to memory of 1968	944	61e74fd3252fe_Tue23df2ad021a.exe	61e74fd3252fe_Tue23df2ad021a.tmp
PID 944 wrote to memory of 1968	944	61e74fd3252fe_Tue23df2ad021a.exe	61e74fd3252fe_Tue23df2ad021a.tmp
PID 944 wrote to memory of 1968	944	61e74fd3252fe_Tue23df2ad021a.exe	61e74fd3252fe_Tue23df2ad021a.tmp
PID 944 wrote to memory of 1968	944	61e74fd3252fe_Tue23df2ad021a.exe	61e74fd3252fe_Tue23df2ad021a.tmp
PID 1968 wrote to memory of 580	1968	61e74fd3252fe_Tue23df2ad021a.tmp	61e74fd3252fe_Tue23df2ad021a.exe
PID 1968 wrote to memory of 580	1968	61e74fd3252fe_Tue23df2ad021a.tmp	61e74fd3252fe_Tue23df2ad021a.exe
PID 1968 wrote to memory of 580	1968	61e74fd3252fe_Tue23df2ad021a.tmp	61e74fd3252fe_Tue23df2ad021a.exe
PID 1968 wrote to memory of 580	1968	61e74fd3252fe_Tue23df2ad021a.tmp	61e74fd3252fe_Tue23df2ad021a.exe
PID 1968 wrote to memory of 580	1968	61e74fd3252fe_Tue23df2ad021a.tmp	61e74fd3252fe_Tue23df2ad021a.exe
PID 1968 wrote to memory of 580	1968	61e74fd3252fe_Tue23df2ad021a.tmp	61e74fd3252fe_Tue23df2ad021a.exe
PID 1968 wrote to memory of 580	1968	61e74fd3252fe_Tue23df2ad021a.tmp	61e74fd3252fe_Tue23df2ad021a.exe
PID 580 wrote to memory of 608	580	61e74fd3252fe_Tue23df2ad021a.exe	61e74fd3252fe_Tue23df2ad021a.tmp
PID 580 wrote to memory of 608	580	61e74fd3252fe_Tue23df2ad021a.exe	61e74fd3252fe_Tue23df2ad021a.tmp
PID 580 wrote to memory of 608	580	61e74fd3252fe_Tue23df2ad021a.exe	61e74fd3252fe_Tue23df2ad021a.tmp
PID 580 wrote to memory of 608	580	61e74fd3252fe_Tue23df2ad021a.exe	61e74fd3252fe_Tue23df2ad021a.tmp
PID 580 wrote to memory of 608	580	61e74fd3252fe_Tue23df2ad021a.exe	61e74fd3252fe_Tue23df2ad021a.tmp
PID 580 wrote to memory of 608	580	61e74fd3252fe_Tue23df2ad021a.exe	61e74fd3252fe_Tue23df2ad021a.tmp
PID 580 wrote to memory of 608	580	61e74fd3252fe_Tue23df2ad021a.exe	61e74fd3252fe_Tue23df2ad021a.tmp
PID 608 wrote to memory of 1916	608	61e74fd3252fe_Tue23df2ad021a.tmp	dllhostwin.exe
PID 608 wrote to memory of 1916	608	61e74fd3252fe_Tue23df2ad021a.tmp	dllhostwin.exe
PID 608 wrote to memory of 1916	608	61e74fd3252fe_Tue23df2ad021a.tmp	dllhostwin.exe
PID 608 wrote to memory of 1916	608	61e74fd3252fe_Tue23df2ad021a.tmp	dllhostwin.exe

C:\Users\Admin\AppData\Local\Temp\7zS850A099E\61e74fd3252fe_Tue23df2ad021a.exe
"C:\Users\Admin\AppData\Local\Temp\7zS850A099E\61e74fd3252fe_Tue23df2ad021a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:944

C:\Users\Admin\AppData\Local\Temp\is-045HI.tmp\61e74fd3252fe_Tue23df2ad021a.tmp
"C:\Users\Admin\AppData\Local\Temp\is-045HI.tmp\61e74fd3252fe_Tue23df2ad021a.tmp" /SL5="$80152,140765,56832,C:\Users\Admin\AppData\Local\Temp\7zS850A099E\61e74fd3252fe_Tue23df2ad021a.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1968

C:\Users\Admin\AppData\Local\Temp\7zS850A099E\61e74fd3252fe_Tue23df2ad021a.exe
"C:\Users\Admin\AppData\Local\Temp\7zS850A099E\61e74fd3252fe_Tue23df2ad021a.exe" /SILENT
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:580

C:\Users\Admin\AppData\Local\Temp\is-9J2TK.tmp\61e74fd3252fe_Tue23df2ad021a.tmp
"C:\Users\Admin\AppData\Local\Temp\is-9J2TK.tmp\61e74fd3252fe_Tue23df2ad021a.tmp" /SL5="$5011C,140765,56832,C:\Users\Admin\AppData\Local\Temp\7zS850A099E\61e74fd3252fe_Tue23df2ad021a.exe" /SILENT
4⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:608

C:\Users\Admin\AppData\Local\Temp\is-3OFC7.tmp\dllhostwin.exe
"C:\Users\Admin\AppData\Local\Temp\is-3OFC7.tmp\dllhostwin.exe" 77
5⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
PID:1916

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:\Users\Admin\AppData\Local\Temp\is-045HI.tmp\61e74fd3252fe_Tue23df2ad021a.tmp
MD5
9303156631ee2436db23827e27337be4

SHA1
018e0d5b6ccf7000e36af30cebeb8adc5667e5fa

SHA256
bae22f27c12bce1faeb64b6eb733302aff5867baa8eed832397a7ce284a86ff4

SHA512
9fe100fafb1c74728109667b5a2261a31e49c45723de748adaa1d9cb9f8daa389b871056c70066fa3a05be82a5017c8dd590ae149a56d824a9e250d31091a40f

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-3OFC7.tmp\dllhostwin.exe
MD5
b3bb91ad96f2d4c041861ce59ba6ac73

SHA1
e18c6fd6a0d0d5c124c9ef6972a76c47c28c80a3

SHA256
0581160998be30f79bd9a0925a01b0ebc4cb94265dfa7f8da1e2839bf0f1e426

SHA512
e3a8426d202a8aad79aad5d75549753cf70b9c2c0fa4c9468f03d089eca8e529b56cd8fa16b7be3a4cfc019d43ff458b9dc8a1cae44b6ed75e27f21489a2cbdd

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-9J2TK.tmp\61e74fd3252fe_Tue23df2ad021a.tmp
MD5
9303156631ee2436db23827e27337be4

SHA1
018e0d5b6ccf7000e36af30cebeb8adc5667e5fa

SHA256
bae22f27c12bce1faeb64b6eb733302aff5867baa8eed832397a7ce284a86ff4

SHA512
9fe100fafb1c74728109667b5a2261a31e49c45723de748adaa1d9cb9f8daa389b871056c70066fa3a05be82a5017c8dd590ae149a56d824a9e250d31091a40f

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-9J2TK.tmp\61e74fd3252fe_Tue23df2ad021a.tmp
MD5
9303156631ee2436db23827e27337be4

SHA1
018e0d5b6ccf7000e36af30cebeb8adc5667e5fa

SHA256
bae22f27c12bce1faeb64b6eb733302aff5867baa8eed832397a7ce284a86ff4

SHA512
9fe100fafb1c74728109667b5a2261a31e49c45723de748adaa1d9cb9f8daa389b871056c70066fa3a05be82a5017c8dd590ae149a56d824a9e250d31091a40f

Download Submit
\Users\Admin\AppData\Local\Temp\is-045HI.tmp\61e74fd3252fe_Tue23df2ad021a.tmp
MD5
9303156631ee2436db23827e27337be4

SHA1
018e0d5b6ccf7000e36af30cebeb8adc5667e5fa

SHA256
bae22f27c12bce1faeb64b6eb733302aff5867baa8eed832397a7ce284a86ff4

SHA512
9fe100fafb1c74728109667b5a2261a31e49c45723de748adaa1d9cb9f8daa389b871056c70066fa3a05be82a5017c8dd590ae149a56d824a9e250d31091a40f

Download Submit
\Users\Admin\AppData\Local\Temp\is-3OFC7.tmp\_isetup\_shfoldr.dll
MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-3OFC7.tmp\_isetup\_shfoldr.dll
MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-3OFC7.tmp\dllhostwin.exe
MD5
b3bb91ad96f2d4c041861ce59ba6ac73

SHA1
e18c6fd6a0d0d5c124c9ef6972a76c47c28c80a3

SHA256
0581160998be30f79bd9a0925a01b0ebc4cb94265dfa7f8da1e2839bf0f1e426

SHA512
e3a8426d202a8aad79aad5d75549753cf70b9c2c0fa4c9468f03d089eca8e529b56cd8fa16b7be3a4cfc019d43ff458b9dc8a1cae44b6ed75e27f21489a2cbdd

Download Submit
\Users\Admin\AppData\Local\Temp\is-3OFC7.tmp\dllhostwin.exe
MD5
b3bb91ad96f2d4c041861ce59ba6ac73

SHA1
e18c6fd6a0d0d5c124c9ef6972a76c47c28c80a3

SHA256
0581160998be30f79bd9a0925a01b0ebc4cb94265dfa7f8da1e2839bf0f1e426

SHA512
e3a8426d202a8aad79aad5d75549753cf70b9c2c0fa4c9468f03d089eca8e529b56cd8fa16b7be3a4cfc019d43ff458b9dc8a1cae44b6ed75e27f21489a2cbdd

Download Submit
\Users\Admin\AppData\Local\Temp\is-3OFC7.tmp\idp.dll
MD5
b37377d34c8262a90ff95a9a92b65ed8

SHA1
faeef415bd0bc2a08cf9fe1e987007bf28e7218d

SHA256
e5a0ad2e37dde043a0dd4ad7634961ff3f0d70e87d2db49761eb4c1f468bb02f

SHA512
69d8da5b45d9b4b996d32328d3402fa37a3d710564d47c474bf9e15c1e45bc15b2858dbab446e6baec0c099d99007ff1099e9c4e66cfd1597f28c420bb50fdcc

Download Submit
\Users\Admin\AppData\Local\Temp\is-9J2TK.tmp\61e74fd3252fe_Tue23df2ad021a.tmp
MD5
9303156631ee2436db23827e27337be4

SHA1
018e0d5b6ccf7000e36af30cebeb8adc5667e5fa

SHA256
bae22f27c12bce1faeb64b6eb733302aff5867baa8eed832397a7ce284a86ff4

SHA512
9fe100fafb1c74728109667b5a2261a31e49c45723de748adaa1d9cb9f8daa389b871056c70066fa3a05be82a5017c8dd590ae149a56d824a9e250d31091a40f

Download Submit
\Users\Admin\AppData\Local\Temp\is-P6IGV.tmp\_isetup\_shfoldr.dll
MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-P6IGV.tmp\_isetup\_shfoldr.dll
MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-P6IGV.tmp\idp.dll
MD5
b37377d34c8262a90ff95a9a92b65ed8

SHA1
faeef415bd0bc2a08cf9fe1e987007bf28e7218d

SHA256
e5a0ad2e37dde043a0dd4ad7634961ff3f0d70e87d2db49761eb4c1f468bb02f

SHA512
69d8da5b45d9b4b996d32328d3402fa37a3d710564d47c474bf9e15c1e45bc15b2858dbab446e6baec0c099d99007ff1099e9c4e66cfd1597f28c420bb50fdcc

Download Submit
memory/580-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/608-71-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/608-72-0x00000000745B1000-0x00000000745B3000-memory.dmp

Filesize
8KB

Download
memory/944-54-0x0000000075431000-0x0000000075433000-memory.dmp

Filesize
8KB

Download
memory/944-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1916-77-0x000007FEFBE11000-0x000007FEFBE13000-memory.dmp

Filesize
8KB

Download
memory/1968-59-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download